Conditions: Cluster Headache - Episodic and Chronic
Keywords: Cluster Headache Patient Diary collection of headache pain
Allocation: NON_RANDOMIZED | Intervention model: SEQUENTIAL
Enrollment: 28
Healthy volunteers: no

Brief summary:
The purpose of this study was to determine if SOM230 is safe and effective for the treament of cluster headache.

Detailed description:
The purpose of this non-confirmatory study was to determine if SOM230 has adequate efficacy and safety to warrant further clinical development in cluster headache (CH). This study was a sequential design of SOM230 vs. Placebo.

Arms:
arm 1: cohort 2 arm 2: cohort 1

Interventions: intervention 1: SOM230 intervention 2: Placebo
Intervention descriptions: intervention 1: The study evaluated SOM230 vs Placebo intervention 2: The study evaluated SOM230 vs Placebo

Protocol document:
Prot_000.pdf: 
Novartis Institutes for BioMedical Research
SOM230
Clinical Trial Protocol CSOM230Y2201
A Multicenter, Placebo-Controlled,  Single Dose Study in 
Acute Episodic and Chronic Cluster Headache to 
Evaluate the Safety and Efficacy of SOM230 
subcutaneous (s.c.)
Document type:
Amended Protocol Version
EUDRACT number:
2015-004436-34
Version number:
v04 (Clean)
Development phase:
Phase II
Release date:
14-Mar-2018
Property of Novartis
Confidential
May not be used, divulged, published, or otherwise disclosed
without the consent of Novartis


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Site Operations Manual (SOM)
A Site Operations Manual (SOM) accompanies this protocol, providing the operational details 
for study conduct. 
Notification of serious adverse events
Refer to Section 9.2 of the protocol for definitions and reporting requirements for Serious 
Adverse Events (within 24 hours after awareness of the SAE to the local Novartis Chief 
Medical Office and Patient Safety (CMO&PS) (formerly known as Drug Safety and 
Epidemiology Department) and notify the Clinical Trial Leader.
Contact information is listed in the Site Operations Manual.


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Table of contents
Site Operations Manual (SOM)...........................................................................................2
Notification of serious adverse events.................................................................................2
Table of contents .................................................................................................................3
List of tables ........................................................................................................................6
List of figures ......................................................................................................................6
List of abbreviations............................................................................................................7
Pharmacokinetic definitions and symbols...........................................................................9
Protocol synopsis...............................................................................................................18
1
Introduction .......................................................................................................................21
1.1
Background............................................................................................................21
1.2
Study purpose ........................................................................................................26
2
Study objectives.................................................................................................................26
2.1
Primary objective...................................................................................................26
2.2
Secondary objectives .............................................................................................26
3
Investigational plan ...........................................................................................................27
3.1
Study design...........................................................................................................27
3.2
Rationale for study design .....................................................................................28
3.3
Rationale for dose/regimen, duration of treatment................................................29
3.4
Rationale for choice of comparator .......................................................................29
3.5
Purpose and timing of interim analyses/design adaptations..................................30
3.6
Risks and benefits..................................................................................................30
4
Population..........................................................................................................................31
4.1
Inclusion criteria ....................................................................................................31
4.2
Exclusion criteria...................................................................................................31
5
Restrictions for Study Subjects .........................................................................................32
5.1
Contraception requirements...................................................................................32
5.2
Prohibited treatment...............................................................................................33
5.3
Dietary restrictions.................................................................................................33
5.4
General restrictions................................................................................................33
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6
Treatment...........................................................................................................................33
6.1
Study treatment......................................................................................................33
6.1.1
Investigational treatment.......................................................................33
6.1.2
Additional study treatment....................................................................33
6.2
Treatment arms......................................................................................................34
6.3
Permitted dose adjustments and interruptions of study treatment.........................34
6.4
Treatment assignment............................................................................................34
6.5
Treatment blinding.................................................................................................34
6.6
Emergency breaking of assigned treatment code ..................................................34
6.7
Treatment exposure and compliance .....................................................................34
6.8
Recommended treatment of adverse events ..........................................................34
6.9
Rescue medication.................................................................................................35
6.10
Concomitant treatment...........................................................................................35
7
Discontinuation and study completion ..............................................................................35
7.1
Discontinuation of study treatment........................................................................35
7.2
Study completion and post-study treatment ..........................................................35
7.2.1
Lost to follow-up...................................................................................36
7.3
Withdrawal of consent...........................................................................................36
7.4
Study Stopping rules..............................................................................................36
7.5
Early study termination..........................................................................................36
8
Procedures and assessments ..............................................................................................37
8.1
Informed consent procedures.................................................................................40
8.2
Subject demographics/other baseline characteristics.............................................40
8.3
Efficacy / Pharmacodynamics ...............................................................................41
8.3.1
Cluster Headache History .....................................................................41
8.3.2
Patient Diary..........................................................................................41
8.4
Safety.....................................................................................................................41
8.4.1
Physical examination ............................................................................41
8.4.2
Vital signs..............................................................................................41
8.4.3
Height and weight .................................................................................42
8.4.4
Laboratory evaluations..........................................................................42
8.4.5
Electrocardiogram (ECG) .....................................................................42
8.4.6
Pregnancy and assessments of fertility .................................................42
8.5
Pharmacokinetics...................................................................................................43
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9
Safety monitoring..............................................................................................................44
9.1
Adverse events.......................................................................................................44
9.2
Serious adverse event reporting.............................................................................46
9.2.1
Definition of SAE .................................................................................46
9.2.2
SAE reporting........................................................................................47
9.3
Liver safety monitoring .........................................................................................48
9.4
Pregnancy reporting...............................................................................................49
9.5
Early phase safety monitoring ...............................................................................49
10 Data review and database management.............................................................................49
10.1
Site monitoring ......................................................................................................49
10.2
Data collection.......................................................................................................50
10.3
Database management and quality control............................................................50
10.4
Data Monitoring Committee..................................................................................51
10.5
Adjudication Committee........................................................................................51
11 Data analysis......................................................................................................................51
11.1
Analysis sets ..........................................................................................................51
11.2
Subject demographics and other baseline characteristics......................................52
11.3
Treatments (study drug, rescue medication, other concomitant therapies, 
compliance)............................................................................................................52
11.4
Analysis of the primary variable(s) .......................................................................52
11.4.1
Variable(s).............................................................................................52
11.4.2
Statistical model, hypothesis, and method of analysis..........................52
11.4.3
Handling of missing values/censoring/discontinuations.......................52
11.4.4
Supportive analyses...............................................................................53
11.5
Analysis of secondary and exploratory variables ..................................................53
11.5.1
Efficacy / Pharmacodynamics...............................................................53
11.5.2
Safety.....................................................................................................53
11.5.3
Pharmacokinetics ..................................................................................54
11.5.4
Pharmacokinetic / pharmacodynamic interactions................................54
11.5.5
Other assessments .................................................................................54
11.6
Sample size calculation..........................................................................................55
12 Ethical considerations........................................................................................................56
12.1
Regulatory and ethical compliance........................................................................56
12.2
Responsibilities of the investigator and IRB/IEC..................................................56
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12.3
Publication of study protocol and results...............................................................56
13 Protocol adherence ............................................................................................................57
13.1
Protocol Amendments ...........................................................................................57
14 References .........................................................................................................................58
15 Appendix 1 Blinding levels...............................................................................................59
16 Appendix 2 Liver Safety Monitoring ................................................................................60
List of tables
Table 8-1
Assessment Schedule, (Cohorts 1 &2)..................................................37
Table 16-1
Liver Event and Laboratory Trigger Definitions ..................................60
Table 16-2
Follow Up Requirements for Liver Events and Laboratory Triggers...60
List of figures
Figure 3-1
Study Design Cohorts 1 and 2...............................................................28


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List of abbreviations
AE
adverse event
ALP
alkaline phosphatase
ALT
alanine aminotransferase
ANCOVA
analysis of covariance
AST
aspartate aminotransferase
b.i.d.
twice a day
BUN
blood urea nitrogen
CD-ROM
compact disc – read only memory
CFR
Code of Federal Regulation
CGRP
Calcitonin Gene Related Peptide
CD
Cushing’s Disease
CH
Cluster Headache
CK
creatinine kinase
cm
centimeter
CRF
Case Report/Record Form (paper or electronic)
CRO
Contract Research Organization
CV
coefficient of variation
DR
Data review
EC
Ethics Committee
ECG
electrocardiogram
EDC
electronic data capture
ELISA
enzyme-linked immunosorbent assay
FDA
Food and Drug Administration
γ-GT
Gamma-glutamyl transferase
GCP
Good Clinical Practice
h
hour
HIV
human immunodeficiency virus
IA
Interim analysis
i.v.
intravenous
ICH
International Conference on Harmonization of Technical Requirements for 
Registration of Pharmaceuticals for Human Use


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IEC
Independent Ethics Committee
IRB
Institutional Review Board
IRT
Interactive Response Technology
Kg
kilogram
LAR
long acting release
LDH
lactate dehydrogenase
LLN
lower limit of normal
LLQ
lower limit of quantification
mg
milligram(s)
ml
milliliter(s)
mSec
millisecond
PD
pharmacodynamic(s)
PK
pharmacokinetic(s)
RBC
red blood cell(s)
REB
Research Ethics Board
s.c.
subcutaneous
SAE
serious adverse event
SD
standard deviation
SGOT
serum glutamic oxaloacetic transaminase
SGPT
serum glutamic pyruvic transaminase
TBL
total bilirubin
ULN
upper limit of normal
ULQ
upper limit of quantification
vs.
versus
WBC
white blood cell(s)


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Pharmacokinetic definitions and symbols
AUC0-t
The area under the plasma (or serum or blood) concentration-time curve from 
time zero to time 't' where t is a defined time point after administration [mass x 
time / volume]
AUCinf
The area under the plasma (or serum or blood) concentration-time curve from 
time zero to infinity [mass x time / volume]
CL/F
The apparent systemic (or total body) clearance from plasma (or serum or 
blood) following extravascular administration [volume / time]
Cmax
The observed maximum plasma (or serum or blood) concentration following 
drug administration [mass / volume]
F
Bioavailability of a compound. Fabs is the absolute bioavailability, i.e. the 
fraction (or percentage) of the administered extravascular dose systemically 
available. Frel is the relative bioavailability, i.e. the bioavailability relative to a 
reference
T1/2
The terminal elimination half-life [time]
T1/2,acc
The effective half-life based on drug accumulation at steady state [time]
Tmax
The time to reach the maximum concentration after drug administration [time]
Vz/F
The apparent volume of distribution during the terminal elimination phase 
following extravascular administration [volume]


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Protocol synopsis
Protocol number
CSOM230Y2201
Title
A Multicenter, Placebo-Controlled, Single Dose Study in Acute Episodic and 
Chronic Cluster Headache to Evaluate the Safety and Efficacy of SOM230 s.c.
Brief title
Safety and efficacy study of SOM230 s.c. in Cluster Headache
Sponsor and 
Clinical Phase
Novartis
Phase II
Intervention type
Drug
Study type
Interventional
Purpose and 
rationale
The purpose of this non-confirmatory study is to determine if SOM230 has 
adequate efficacy and safety to warrant further clinical development in cluster 
headache (CH). This study will have 2 cohorts (2 doses). It will be a one 
sequence, 2 period design, SOM230 vs. Placebo, and following an observed 
signal in Cohort 1 at an interim analysis, Cohort 2 of the study may be 
considered to assess efficacy of a lower dose.
Primary 
Objective(s)
To assess headache response of single subcutaneous s.c. dose of SOM230 
compared to placebo in managing cluster headache attack at 30 minutes post-
dosing
Secondary 
Objectives

To assess pain free response of single s.c. dose of SOM230 compared to 
placebo in managing cluster headache attack at 30 minutes post-dosing

To assess the safety and tolerability of SOM230
Study design
This study will be conducted in 2 cohorts in a one-sequence two-period design 
to compare SOM230 vs. Placebo. Following observed efficacy and safety 
signals in Cohort 1 with the 1.5 mg dose, Cohort 2 of the study with the 0.9 mg
dose may be considered.
In a one sequence 2 period approach, two consecutive attacks will be treated: 
first attack will be treated with placebo (Period 1) and the next attack will be 
managed by SOM230 (Period 2). Each study cohort will consist of a 21 day 
screening period, baseline period of 3 days prior to dosing, first treatment period 
lasting up to 3 days  followed by a second treatment period lasting up to 3 days 
followed by an end of study visit, 3 days after study drug administration in Period 
2.  The subjects will be blinded and will have up to 5 visits. Approximately 30
patients will be enrolled in Cohort 1 to receive a single dose of Placebo s.c. in 
Period 1 then a single dose of SOM230 1.5 mg s.c. in Period 2. In case the pain 
is not responding to the administered study drug after 30 minutes, subjects will 
be allowed to use only 100% oxygen as a rescue management. Similarly, in 
Cohort 2 approximately 30 subjects will receive a single dose of placebo s.c. in 
Period 1 and a single dose of SOM230 0.9 mg s.c. in Period 2. Each subject will 
be instructed to self-administer (or to be assisted by a helper) the study 
medication at the beginning of the CH attack (as early as possible; within 10 
minutes of start of attack when pain is at least moderate). If the patient is 
domiciled, medical staff may assist with administration. In case patient 
experiences CH attacks PRIOR to administering study treatment in Period 1 
they can use 100% O2 or their conventional treatment to manage their attacks 
experienced before Period 1. If the subject does not have a headache attack in 
72 hours post-baseline or 72 hours post Period 1 treatment the subject will be 
excluded from the study. If feasible, subjects in Period 1 may undergo follow-up 


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within 24 hour post treatment administration. Within 24 hours of the dose 
administration in Period 2, subjects will also go through follow-up procedures 
and pharmacokinetic sample (PK) collections.
Population
Approximately 60 male and female cluster headache patients between the ages 
of 18-65 inclusive.
Key 
Inclusion 
criteria

Subject is male or female age 18-65 inclusive.

Subjects must have established diagnosis of episodic cluster headaches 
(CH) or chronic CH, averaging 2-6 headache attacks per day each lasting at 
least 45 minutes without treatment, not to exceed 6 attacks per day within 
the last year.

Able to communicate well with the investigator, to understand and comply 
with the requirements of the study, as well as accepting NOT to share any 
study information through social media during their participation in the study.

Subject is able to self-inject medication subcutaneously or have the 
assistance of a helper if warranted.
Key 
Exclusion 
criteria

Subjects that have a history of greater than 6 CH attacks per day within the 
last year.

Women of child-bearing potential, defined as all women physiologically 
capable of becoming pregnant, unless they are using highly effective
methods of contraception during the duration of the study.  Men who are 
sexually active with women of child bearing potential, unless the male 
subjects use condoms during the study as per local requirements.

History of multiple and recurring allergies or allergy to the investigational 
compound/compound class being used in this study.

Use of other investigational drugs at the time of enrollment, or within 5 
half-lives of enrollment, or within 30 days, whichever is longer; or longer if 
required by local regulations.

A history of clinically significant heart diseases, ECG abnormalities, 
continued use of drugs known to prolong QTc during the study conduct, or 
any of the following ECG abnormalities at screening or baseline:
o
QTcF > 450 msec (males)
o
QTcF > 460 msec (females)

Uncontrolled diabetes as evidenced by screening HbA1c > 8.0%

A positive Hepatitis B surface antigen or Hepatitis C test result.

Acute cholecystitis or symptomatic cholelithiasis in subjects without H/O 
cholecystectomy
Investigational 
and reference 
therapy

SOM230 (pasireotide)

Placebo
Efficacy/PD 
assessments
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Safety 
assessments

Safety Labs (blood chemistry, hematology, urinalysis and urine pregnancy 
test)

ECG
Other 
assessments

Patient Diary
Data analysis
A logistic regression analysis with baseline headache severity, CH type, dose, 
 and dose by time interaction as 
fixed effects and subject as a random effect will be used to assess the effect of
SOM230 on headache response over time.  Dose and time will be included as 
categorical variables in the model.  Placebo adjusted headache response rate at 
each time point will be provided.  Headache response measurements after 
100% oxygen therapy will be set to missing, which will be considered as missing 
at random. 
Additionally 100% oxygen therapy will be included in the afore mentioned logistic 
regression model as a time dependent covariate so headache response 
measurements after 100% oxygen therapy can be included in the analysis.
The following approaches will be taken if the 0.9 mg dose is assessed in the 
second cohort: The effect of cohort will be explored and cohort may be included 
as a covariate in the logistic regression model. Placebo adjusted headache 
response rate at each time point will be obtained for each of the two SOM230 
doses.  A linear dose-response trend test will be constructed within the logistic 
regression framework using a contrast with the first order orthogonal polynomial 
coefficients. Pairwise comparisons and further dose-response assessments will 
be performed as appropriate. If there is no difference between the two SOM230 
doses then a comparison between the pooled SOM230 treatment and placebo 
will be conducted.   
Key words
Cluster Headache Attacks, Headache Response, Rescue Medication
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1
Introduction
1.1
Background
Cluster headache (CH) is a painful, disorder characterized by severe unilateral pain lasting 
between 15-60 min with an annual prevalence of 180,000 in US and 160,000 in EU
(Fischera et al 2008). Pain occurs around the eye in the region enervated by the trigeminal 
nerve. Attacks are metronomic often occurring at the same time of day or night and may show 
annual periodicity. These attacks are often accompanied by autonomic symptoms like 
lacrimation, blushing or pupil constriction.  Most of these patients are disabled by the disorder 
and suffer from bouts of pain up to 8 bouts /day and from 2 to 20 times a week. Two common 
forms of cluster headache are recognized: a) Episodic clusters with at least two cluster phases 
lasting 7 days to 1 year separated by a cluster-free interval of 1 month or longer (80%); and 
b) Chronic form, in which the clusters occur more than once a year without remission or the 
cluster-free interval is less than 1 month (20%). Many patients have found no relief from the 
usual methods of treatment and are willing to submit to any operation which might bring 
relief. 
A non-vasoconstrictor treatment for acute CH is not available (Matharu et al 2004). 
Causes underlying CH attacks are not fully known; Somatostatins believed to reduce pain by 
inhibiting pain mediators e.g. Substance P and CGRP (Pinter et al 2006). However natural 
somatostatin in CH has a very short half-life (<2 min).  Somatostatin infusion (25 μg/min for 
20 min i.v.) was superior to placebo, and comparable to intramuscular ergotamine (250 μg 
i.m), in relieving CH pain (Sicuteri et al 1984). Octreotide activates mainly SSTR2 and has 
relatively longer t1/2 (90 min). In a randomized controlled trial in patients with episodic cluster 
headache, (Matharu et al 2004) octreotide 100 μg s.c. was significantly superior to placebo 
with regard to headache response rates (52% vs 36%, with a mean response time of 18.3 min).
Currently, sumatriptan is the only approved therapy for cluster headaches in addition to 100% 
O2 therapy. A significant number of patients are refractory to currently recommended acute 
vasoconstrictive therapies (s.c. sumatriptan), or have contraindications to its use.
Pasireotide
(SOM230)
is a cyclohexapeptide analog of the hormone somatostatin. 
Natural somatostatin is widely distributed in the neural, endocrine and immune system and 
has diverse physiological actions. Somatostatin is an important inhibitory regulator of 
endocrine and exocrine secretion of various organs, including the pituitary, pancreas, GI tract, 
thyroid, kidney, and adrenal glands. It modulates GI function (including bowel motility and 
absorption of nutrients), inhibits gallbladder contractility and bile flow, and stimulates GI 
water and electrolyte absorption. It also inhibits cell proliferation and promotes apoptosis 
(Theodoropoulou and Stalla 2013).


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Pasireotide (SOM230) s.c. injection has been in clinical development since 2003 and is being 
developed for treatment of symptoms of metastatic carcinoid tumors, acromegaly,
Cushing’s disease (CD), and Dumping Syndrome with s.c. and long acting release (LAR) i.m. 
formulation. It was approved by the FDA under the name of Signifor (pasireotide) s.c. 
injection use for the treatment of Cushing’s disease for whom pituitary surgery is not an 
option or has not been curative. In addition, the LAR formulation of pasireotide was recently 
approved by the FDA for the treatment of patients with acromegaly who have had an 
inadequate response to surgery or for whom surgery is not an option.
The current study will assess the safety and efficacy of pasireotide (SOM230) s.c. in cluster 
headache. This study will have two cohorts where cohort 1 will be a comparison of the 1.5 mg
SOM230 vs. Placebo, and following observed efficacy and safety signals in Cohort 1 at the 
interim analysis, Cohort 2 of the study comparing the 0.9 mg SOM230 to Placebo may be 
considered.
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1.2
Study purpose
The purpose of this study is to determine if SOM230 has adequate efficacy and safety to 
warrant further clinical development in cluster headache (CH). This study will have two 
cohorts. Cohort 1 will be a comparison of 1.5 mg SOM230 vs. Placebo, and following 
observed efficacy and safety signals in cohort 1 at the interim analysis, cohort 2 of the study 
comparing 0.9 mg SOM230 to Placebo may be considered.
2
Study objectives
2.1
Primary objective
Primary objective
Endpoints related to primary objective

To assess headache response of single 
s.c. dose of SOM230 compared to 
placebo in managing cluster headache 
attack at 30 minutes post-dosing

Percent (%) of patients with headache 
response defined as very severe, severe, or 
moderate pain before dosing that becomes 
mild or nil at 30 minutes post-dosing
2.2
Secondary objectives
Secondary objectives
Endpoints related to secondary objectives

To assess pain free response of single 
s.c. dose of SOM230 compared to 
placebo in managing cluster headache 
attack at 30 minutes post-dosing

% of patients who are pain free at 30 
minutes post dose.

To assess the safety and tolerability of 
SOM230

Physical exam, safety labs, ECG, and 
adverse experiences
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3
Investigational plan
3.1
Study design
This non-confirmatory study will be conducted in 2 cohorts using a one-sequence two-period 
design to compare SOM230 vs. Placebo. Following observed efficacy and safety signals in 
Cohort 1 with the 1.5 mg dose, cohort 2 of the study   assessing efficacy of a lower SOM230 
dose (0.9 mg) may be considered.
Two consecutive attacks will be treated: first attack will be treated with placebo (Period 1) 
and the following attack will be treated with SOM230 (Period 2). Approximately 30 patients 
will be enrolled in Cohort 1 to receive Placebo s.c. single dose in Period 1 then SOM230 
1.5 mg s.c., a single dose in Period 2.  Each study cohort will consist of a 21 day screening 
period, a baseline period of 3 days prior to the Baseline Visit, a  treatment period (Period 1) 
lasting up to 3 days then a treatment period 2 of up to 3 days, followed by an end of study 
visit 3 days after study drug administration in Period 2.  The subjects will have up to 5visits.
Similarly, in Cohort 2 approximately 30 subjects will receive placebo s.c. single dose in 
Period 1 and SOM230 0.9 mg s.c., as a single dose in Period 2.
Each subject will be 
instructed to self-administer (or assisted by a helper, or by medical staff if domiciled at a 
clinic) the study medications at the beginning of the CH attack (as early as possible; within 10 
minutes of start of attack when pain is at least moderate). In case patient experiences CH 
attacks PRIOR to administering study treatment in Period 1 they can use 100% O2 or their 
conventional treatment to manage their acute attacks experienced before Period 1. If the 
subject does not have a headache attack in 72 hours post-baseline or 72 hours post Period 1 
treatment the subject will be excluded from the study. Subjects will be required to complete a 
patient diary to document the pain severity and pain relief before and after the administration 
of the study medication (Figure 3-1). In case the pain is not responding to the administered 
study drug after 30 minutes, subjects will be allowed to use only 100% oxygen as a rescue 
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management. If applicable and feasible, subjects in Period 1 may return to the study center for 
follow-up within 24 hour post treatment administration. The subjects will have a follow-up 
visit within 24 hours of the study drug administration in Period 2 where a pharmacokinetic 
(PK) sample will be collected, with a second PK sample collected 1 to 2 hours after the 1st 
PK sample. In case the follow-up visit in Period 2 falls on a weekend, a window of up to 48 
hours may be considered.
Figure 3-1
Study Design Cohorts 1 and 2
3.2
Rationale for study design
Based on the nature of the studied disease and PK characteristics of SOM230, a single s.c. 
dose will provide an assessment of effect of SOM230 in managing cluster headache attack as 
well as the time to next attack. It is expected that a single dose of SOM230 will relieve the 
cluster headache attack and will delay the time to next attack resulting in reduced number of 
attacks per day.  Given the nature of the disease (repeated attacks up to 8 attacks/day for up to 
2 months), the relatively long half-life of SOM230, and to ensure consistency between attacks, 
treating 2 consecutive attacks in a one-sequence two-period design with a placebo treatment 
in Period 1 will be appropriate to cluster headache patients and will increase the statistical 
power by taking advantage of a within-patient comparison in the absence of carryover effects. 
The treatment effect will be confounded with the period effect in this one-sequence 2 period 
study. However, this is not a major concern considering the 2 periods are <= 3 days apart and 
we are looking for a substantial treatment effect. Subjects will be blinded to the sequence of 
treatment to minimize any potential bias.  The Investigator input in this study will not have 
any influence on study outcome being solely entered by the subjects in the e-diary, thus the 
Investigators don’t need to be blinded. Considering the severe pain associated with CH, 
patients benefiting from sumatriptan are expected to continue their conventional management 
that successfully relieves their pain.  Accordingly, enrolled population in the study is expected 
to be mainly composed of non-sumatriptan users. To avoid confounding AE evaluation in 
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case of concomitant use of sumatriptan, and the relatively longer study period, patients will be 
allowed to only use 100% oxygen as rescue-medication, and a conventional randomized 
cross-over design seemed unsuitable. The use of placebo will allow unbiased assessment of 
the benefit of SOM230 using subjective endpoints. Consecutive assessment of the 1.5mg dose 
followed by assessment of low dose (0.9 mg s.c.) will provide cluster headache patients with a 
better chance of getting efficacious doses with a potential for earlier relief of pain and 
possibly a longer interval till the next attack. Inclusion of the two SOM230 dose levels in 
cohort 1 and cohort 2 will provide the opportunity to determine the dose response relationship 
and obtain initial estimates of the treatment differences in efficacy parameters.
Due to the medical condition, it is not possible to collect PK samples during an attack. 
Samples will therefore be collected during the visit following an attack after drug 
administration in each period.
 
3.3
Rationale for dose/regimen, duration of treatment
SOM230 is approved and marketed under the name of Signifor® for Cushing‘s disease and 
acromegaly. For Cushing's disease the recommended s.c. pasireotide initial dose is either 
0.6 mg or 0.9 mg bid. For acromegaly, the recommended initial dose of long-acting depot 
formulation (LAR) of pasireotide is 40 mg administered by deep intramuscular injection every 
4 weeks.
Two SOM230 dose levels, 0.9 mg and 1.5 mg are considered. This approach will provide an 
early signal about any potential difference between the selected 2 dose levels starting 
assessment of the high dose followed by the low one if applicable.
For the single dose of 0.9 mg s.c., this is based on the study of octreotide in cluster headache 
patients (Matharu et al 2004).  In this study, a single s.c. dose of 0.1 mg octreotide resulted in 
headache response of 52% with a placebo response of 36%.  Both octreotide and SOM230 
have comparable binding affinity to SSTR2; however SOM230 has additionally a higher 
affinity and functional activity at the SSTR 1, 3 & 5 than octreotide. Therefore, a 9 fold higher 
comparable dose of SOM230 is expected to yield meaningful efficacy response in the same 
disease entity.
For the single dose of 1.5 mg s.c., The MTD for SOM230 single s.c. dose was established at 
1.95 mg. This MTD was demonstrated and proved to be tolerated in previous studies 
conducted as part of the SOM230 program.  For this PoC study in order to maximize the 
chance of detecting efficacy signal, a single s.c. dose of 1.5 mg will be used to evaluate the 
efficacy of SOM230 in managing acute attack of cluster headache.  In addition, use of this 
relatively high single dose of 1.5 mg may allow for earlier relief of cluster headache and 
possibly longer interval till next attack based on its PK profile as compared to the 0.9 mg dose. 
3.4
Rationale for choice of comparator
The study will compare the SOM230 2 dose levels (0.9 and 1.5 mg) against placebo since the 
targeted patients are those who are non-sumatriptan users. 
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3.6
Risks and benefits
There is no benefit expected for subjects participating in this study.
Based on the knowledge of the somatostatin (SSA) drug class and experience gained during 
the clinical development of pasireotide, potential risks identified included QT-prolongation, 
bradycardia, hyperglycemia, cholelithiasis, hematological abnormalities, abnormal liver 
functions, injection site reactions, gastrointestinal disorders, pancreatitis, and hypothyroidism.
The risk to subjects in this trial will be minimized by adherence to the eligibility criteria, close 
clinical monitoring, and a single dose study. 
 
 
 In patients with cluster headache attacks, because of their severe pain 
condition hyperactivity of sympathetic system results in tachycardia making the chance of 
relevant QT prolongation unlikely. Based on the interpretation of the central tendency results 
of the TQT study the prolonging effect on QT interval associated with pasireotide treatment 
does not translate into increased pro-arrhythmic risk. The impact of GI AEs on the study 
outcome is minimal as the endpoint is being determined shortly post-dosing (at 30 minutes), 
i.e. prior to experiencing this set of AEs. For the LFT elevation, this risk is minimal because 
of the single dose used in this study. Furthermore, cholethiasis risk is minimal given the single 
dose administration and applying the exclusion criteria.
A maximum of 75 mL of blood is planned to be collected over a period of approximately a 
month, from each subject as part of the study. Additional samples for monitoring of any safety 
findings would be in addition to this. This is not considered to be a risk for this population.
However, injection site reactions and infections at injection site are additional related risks.
Women of child bearing potential should be informed that taking the study drug may involve 
unknown risks to the fetus if pregnancy were to occur during the study and agree that in order 
to participate in the study they must adhere to the contraception requirement for the duration 
of the study and have a negative pregnancy test at the beginning of the study. If there is any 
question that the subject will not reliably comply, they should not be entered in the study.
There may be unknown risks of SOM230 which may be serious and unforeseen. Subjects will 
be notified in case any of these unknown risks become identified.
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4
Population
Subjects that have a history of episodic or chronic cluster headaches (chronic cluster headache 
subjects not to exceed 50% of total study population) will be included in this study.
Subjects enrolled in Cohort 1 will not be allowed to participate in Cohort 2.
4.1
Inclusion criteria
1. Subject is male or female age 18-65 inclusive.
2. Written informed consent must be obtained before any assessment is performed.
3. Subjects must have established diagnosis of episodic cluster headaches (CH) or chronic 
CH, averaging 2-6 headache attacks per day each lasting at least 45 minutes without 
treatment, not to exceed 6 attacks per day within the last year.
4. Able to communicate well with the investigator, to understand and comply with the 
requirements of the study, as well as accepting NOT to share any study information 
through social media during their participation in the study.
5. Subject is able to self-inject medication subcutaneously or have the assistance of a helper 
on an out-patient basis, if subject is not domiciled in a clinic for the study.
4.2
Exclusion criteria
1. Subjects that have a history of greater than 6 CH attacks per day within the last year.
2. Women of child-bearing potential, defined as all women physiologically capable of 
becoming pregnant, unless they are using highly effective methods of contraception 
during dosing of study treatment; 
Men who are sexually active with women of child bearing potential, unless they use 
contraception as specified in Section 5.1 during the study.
Contraception specific details are listed in Section 5.1.
3. History of multiple and recurring allergies or allergy to the investigational 
compound/compound class being used in this study.
4. Use of other investigational drugs at the time of enrollment, or within 5 half-lives of 
enrollment, or within 30 days, whichever is longer; or longer if required by local 
regulations.
5. A history of clinically significant heart diseases, ECG abnormalities, continued use of 
drugs known to prolong QTc during the study conduct, or any of the following ECG 
abnormalities at screening or baseline:

QTcF > 450 msec (males)

QTcF > 460 msec (females)
6. Uncontrolled diabetes as evidenced by screening HbA1c > 8.0%
7. History of immunodeficiency diseases, including a positive HIV (ELISA and Western blot) 
test result.
8. A positive Hepatitis B surface antigen or Hepatitis C test result.  
9. A positive pregnancy test or lactating mothers.
10. History of drug or alcohol abuse within the 12 months prior to dosing other than 
prescription medications to manage their CH attacks, or evidence of such abuse as 


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indicated by the laboratory assays conducted during screening and in the judgment of the 
Investigator.
11. Significant acute illness which has not resolved within two (2) weeks prior to initial 
dosing.
12. Any surgical or medical condition which might significantly jeopardize the subject's 
safety in case of participation in the study. The Investigator should make this 
determination in consideration of the subject’s medical history and/or clinical or 
laboratory evidence of any of the following:

Liver disease or liver injury as indicated by abnormal liver function tests. ALT 
(SGPT), AST (SGOT), γ-GT, alkaline phosphatase and serum bilirubin will be tested. 

ALT must be within the normal range

Serum bilirubin must not exceed 1.2 x ULN

γ-GT, AST and alkaline phosphatase must not exceed 2 x ULN
[If necessary, laboratory testing may be repeated on one occasion (as soon as possible) 
prior to treatment, to rule out any laboratory error]
13. Acute cholecystitis or symptomatic cholelithiasis in subjects without H/O 
cholecystectomy
5
Restrictions for Study Subjects
During recruitment, screening/informed consent review, and baseline visit, the subjects must 
be informed and reminded of the following restrictions:
5.1
Contraception requirements
Female subjects of child-bearing potential must use highly effective methods of contraception 
during dosing of study treatment. Highly Effective contraception methods include:

Total abstinence from heterosexual intercourse (when this is in line with the preferred and 
usual lifestyle of the subject). Periodic abstinence (e.g., calendar, ovulation, 
symptothermal, post-ovulation methods) and withdrawal are not acceptable methods of
contraception.

Female sterilization (have had surgical bilateral oophorectomy with or without 
hysterectomy) or tubal ligation at least six weeks before taking study treatment. In case of 
oophorectomy alone, only when the reproductive status of the woman has been confirmed 
by follow up hormone level assessment.

Male sterilization (at least 6 months prior to screening). For female subjects on the study, 
the vasectomized male partner should be the sole partner for that subject.

Use of oral, injected or implanted hormonal methods of contraception or other forms of 
hormonal contraception that have comparable efficacy (failure rate <1%), for example 
hormone vaginal ring or transdermal hormone contraception or placement of an 
intrauterine device (IUD) or intrauterine system (IUS).
In case of use of oral contraception women should have been stable on the same pill for a 
minimum of 3 months before taking study treatment.


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Women are considered post-menopausal and not of child bearing potential if they have had 
12 months of natural (spontaneous) amenorrhea with an appropriate clinical profile (e.g. age 
appropriate, history of vasomotor symptoms) or have had surgical bilateral oophorectomy 
(with or without hysterectomy), total hysterectomy or tubal ligation at least six weeks ago. 
In the case of oophorectomy alone, only when the reproductive status of the woman has been 
confirmed by follow up hormone level assessment is she considered not of child bearing 
potential.
Male contraception is aligned with the local Health Authority requirements i.e. no male 
contraception in the UK. In the US and Germany, condom contraception for a male subject 
starts at the Baseline Visit, and until at least 3 days after the last administration of study drug. 
(3 days equals 5 half-lives of SOM230)
5.2
Prohibited treatment
Subjects will not be allowed to take the following at least 24 hours before Baseline Visit 
through study completion:

Use of steroids

Use of ergot compounds, or other prophylactic therapies for cluster headache such as 
verapamil, or any drug known to cause QTc prolongation or Preventive care for at least 3 
half-lives prior to study drug administration

Use of NSAIDS
5.3
Dietary restrictions 

No alcohol from 24 hours before Baseline Visit until after Study Completion evaluation.
5.4
General restrictions

No strenuous physical exercise (e.g. weight training, aerobics, football) from 24 hours 
before Baseline Visit until after Study Completion evaluation (End of Study visit).
6
Treatment
6.1
Study treatment
Details on the storage and management of study medication, treatment and instructions for 
prescribing and taking study treatment are outlined in Section 3 of the Site Operations Manual.
6.1.1
Investigational treatment
The investigational drug, SOM230 0.6mg, 0.9mg and placebo. will be supplied by Novartis as 
single blind patient kits. Patients will be instructed on home based administration of study 
drug, or assisted by a helper/medical staff. Further details will be included in the Site 
Operations Manual.
6.1.2
Additional study treatment
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6.2
Treatment arms
The number of patients with chronic cluster headache is not to exceed 50% of patients in each
cohort. Subjects enrolled in Cohort 1 will not be allowed to participate in Cohort 2.
Study treatments are defined as:
Cohort 1:

A:  single dose of placebo s.c. (Cohort 1-Period 1)

B:  single dose of 1.5 mg s.c. SOM230 (Cohort 1-Period 2)
Subjects will receive both treatments starting with placebo
Cohort 2

A:  single dose of placebo s.c (Cohort 2 – Period 1)

B:  single dose of. 0.9 mg s.c. SOM230 (Cohort 2- Period 2)
Subjects will receive both treatments starting with placebo
6.3
Permitted dose adjustments and interruptions of study treatment
Study drug dose adjustments and/or interruptions are not permitted.
6.4
Treatment assignment
This study is a non-randomized study.
6.5
Treatment blinding
This study is a non-randomized and subject blinded study: subjects will remain blinded to the 
identity of study treatments during the study.
6.6
Emergency breaking of assigned treatment code
The investigator will be unblinded, however the subject will remain blinded. There will not be 
a need for emergency breaking codes at the site for this study.
6.7
Treatment exposure and compliance
Pharmacokinetic parameters (measures of treatment exposure) will be determined in all 
subjects treated with [SOM230], as detailed in Section 8.5.
6.8
Recommended treatment of adverse events
Medication used to treat AEs must be recorded on the Concomitant medications/Significant 
non-drug therapies CRF.
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6.9
Rescue medication
Subjects will be allowed to use 100% oxygen as rescue medication during the study as 
described in Section 7.1. If subjects require use of other rescue medication, they must contact 
the site immediately to be discontinued from the study. Every effort must be made to obtain 
study data for at least 24 hours after study medication has been administered. Use of rescue 
medication must be recorded on the Concomitant medications/Significant non-drug therapies 
CRF after start of study drug.
6.10
Concomitant treatment
Subjects are not to take any other medication to treat cluster headaches other than study 
medication. Concomitant treatment will be limited to only treat adverse experiences not 
associated with cluster headaches. Patients will be allowed to take 100% oxygen as rescue 
medication during the study starting 30 minutes after study drug administration.
In case patient experiences CH attacks PRIOR to administering study treatment in Period 1 
they can use 100% O2 or their conventional treatment to manage their headache attacks 
experienced before Period 1.
7
Discontinuation and study completion
7.1
Discontinuation of study treatment
Subjects will be discontinued from the study if the subject receives additional treatment for 
the CH pain other than 100% oxygen after subject has had no relief of pain for at least 
30 minutes following study medication administration. However data collected up to this 
point will be included in the assessment.
7.2
Study completion and post-study treatment
Each subject will be required to complete the study in its entirety and thereafter no further 
study treatment will be made available to them. Study completion is defined as when the last 
subject completes their End of Study visit, and any repeat assessments associated with this 
visit have been documented and followed-up appropriately by the Investigator, or in the event 
of an early study termination decision, the date of that decision.
At a minimum, subjects will be contacted for safety evaluations during the 30 days following 
the Study Completion visit, including a final post-study safety contact at the 30-day point. 
Documentation of attempts to contact the subject should be recorded in the source 
documentation.
The investigator must provide follow-up medical care for all subjects who are prematurely 
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7.2.1
Lost to follow-up
For subjects whose status is unclear because they fail to appear for study visits without stating 
an intention to discontinue or withdraw, the investigator should show "due diligence" by 
documenting in the source documents steps taken to contact the subject, e.g. dates of 
telephone calls, registered letters, etc. A subject should not be formally considered lost to 
follow-up until his/her scheduled end of study visit would have occurred.
7.3
Withdrawal of consent
Subjects may voluntarily withdraw consent to participate in the study for any reason at any time.
Withdrawal of consent occurs only when a subject does not want to participate in the study 
anymore and does not want any further visits or assessments and does not want any further 
study related contact and does not allow analysis of already obtained biologic material.
If a subject withdraws consent, the investigator must make every effort to determine the 
primary reason for this decision and record this information. Study treatment must be 
discontinued and no further assessments conducted. All biological material that has not been 
analyzed at the time of withdrawal must not be used. Further attempts to contact the subject 
are not allowed unless safety findings require communicating or follow-up.
7.4
Study Stopping rules
Under any of the following conditions, the current study may be placed on temporary hold, or
consider initiation of lower dose (Cohort #2) pending a review of applicable safety data by the 
investigator and Sponsor:

Three or more incidents of the same serious adverse event in a single cohort of the study 
that, in the opinion of the investigator, are related to the study drug

The principal investigator (or his/her designee) and the sponsor consider that the number 
and/or severity of adverse events justify discontinuation of the study.

The Sponsor requests it

Cohort 1 will be stopped and Cohort 2 may be initiated if a safety signal is observed
7.5
Early study termination
The study can be terminated at any time for any reason by Novartis. Should this be necessary, 
subjects should be seen as soon as possible and treated as a prematurely withdrawn subject. 
The investigator may be informed of additional procedures to be followed in order to ensure 
that adequate consideration is given to the protection of the subject’s interests.
The investigator will be responsible for informing IRBs/IECs of the early termination of the 
trial.
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1 Visit structure given for internal programming purpose only.
2 In the event the subject requires SOC treatment for CH or a recurrent CH attack, the subject must contact the site, every effort must be made to discontinue the subject 
after 24 hours of taking the study medication, all EOS evaluations should be performed if a subject is discontinued.
3 If subject is not domiciled in a clinic for the study, study drug will be administered at home, before study visits.
4 If possible in Period 1, the subject may have a follow-up visit as soon as possible within 24 hours of the dose. The collected PK sample must be obtained as soon as the 
patient arrives to the clinic. The date, time and the time the subject took the study medication must be collected on the eCRF. If logistically not possible the sample may 
be collected by a visiting nurse or equivalent.
4-a In Period 2, the subject must have a follow up visit as soon as possible within 24 hours of the dose for ECG & to collect PK samples. The sample must be collected as 
soon as the patient arrives to the clinic. If logistically not possible the sample may be collected by a visiting nurse or equivalent. The date, time and the time the subject 
took the study medication must be collected on the eCRF. In case the follow-up visit in Period 2 falls on a weekend, a window of up to 48 hours may be considered.
5 A second PK sample will be collected 1-2 hours after the 1st sample was collected; the collection time of PK samples must be entered in eCRF. The second PK can be 
optional if not logistically possible. 
6 If subject is not domiciled in a clinic for the study, the study drug and instructions for use will be dispensed to the subject to be used as out-patient.
7 Subjects will take 2 injections (in Cohort 1) / 1 injection (in cohort 2) of SOM230 or placebo s.c. in each study Period (1 &2) as instructed. These injections must be 
administered at the same time one after the other. The date and time of dose must be recorded on the patient diary.
8 Diary: issued at screening visit; baseline information should be collected only for last 3 days prior to the baseline visit. Diary will be reviewed at the clinic visits.
9 Blood chemistry should be repeated if Baseline Visit is greater than 10 days from Screening Visit.
10 The EOS visit will occur 3 days after Period 2, post study drug administration.
11 At the Investigator’s discretion, optional screening ECG may be performed. The baseline ECG is optional, if screening ECG is done within not more than 7 days, and 
there is no change in medications. All subjects must have one ECG performed, either at screening or baseline, prior to the treatment phase.


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8.1
Informed consent procedures
Eligible subjects may only be included in the study after providing written (witnessed, where 
required by law or regulation), IRB/IEC-approved informed consent.
Informed consent must be obtained before conducting any study-specific procedures (i.e. all 
of the procedures described in the protocol). The process of obtaining informed consent 
should be documented in the subject source documents.
The date of signing of informed consent (and withdrawal, if later withdrawn) should be 
documented in the CRF.
Novartis will provide to investigators a proposed informed consent form that complies with 
the ICH GCP guideline and regulatory requirements and is considered appropriate for this 
study. Any changes to the proposed consent form suggested by the investigator must be 
agreed to by Novartis before submission to the IRB/IEC.
In the event that Novartis wants to perform testing on the samples that are not described in 
this protocol, additional Institutional Review Board and/or Ethics Committee approval will be 
obtained.
A copy of the approved version of all consent forms must be provided to the Novartis monitor 
after IRB/IEC approval.
8.2
Subject demographics/other baseline characteristics
Subject demographic and baseline characteristic data will be collected on all subjects.
Relevant medical history/current medical conditions data includes data until signature of 
informed consent. Where possible, diagnoses, not symptoms will be recorded.
Investigators have the discretion to record abnormal test findings on the medical history CRF 
whenever in their judgment, the test abnormality occurred prior to the informed consent 
signature.
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8.3.1
Cluster Headache History
Patients will be asked to provide a history of their cluster headache episodes. The questions 
will be initiated by the site (the frequency of cluster headaches per week, duration, severity, 
treatment used & response to treatment, history of any sumatriptan usage) and history will be 
recorded.
8.3.2
Patient Diary
A patient diary will be administered to assess cluster headache (severity of pain, associated 
symptoms, time to resolve or becoming minimal, any use of rescue medication and time of its 
use post dose administration) during the times indicated on the Assessment Schedule. 
A validated diary will be provided to the patients in their local language. The subject will 
complete the diary as instructed by the site staff. The Study coordinators will review the diary 
information for completeness at the study visits. Further details on completing the diary will 
be provided in the SOM. 
8.4
Safety
Safety assessments are specified below; methods for assessment and recording are specified in 
the Site Operations Manual, with the Assessment Schedule detailing when each assessment is 
to be performed.
8.4.1
Physical examination
A physical examination will be obtained at time points indicated on the Assessment Schedule
and maintained as source at the site. Any adverse event findings during a physical 
examination must be recorded on the appropriate adverse experience eCRF.
8.4.2
Vital signs
Vital signs i.e. temperature, heart rate and blood pressure will be obtained at time points 
indicated on the Assessment Schedule. These vital signs will be recorded on the eCRF.
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8.4.3
Height and weight
Height in centimeters (cm) and body weight in kilograms (Kg) (in indoor clothing without 
shoes) will be measured at screening visits according to the Assessment Schedule. 
These recordings will be maintained at the site as source documentation except body weight 
will be collected on eCRF.
8.4.4
Laboratory evaluations
Clinically relevant deviations of laboratory test results occurring during or at completion of 
the study must be reported and discussed with Novartis personnel. The results should be 
evaluated for criteria defining an adverse event and reported as such if the criteria are met. 
Repeated evaluations are mandatory until normalization of the result(s) or until the change is 
no longer clinically relevant. In case of doubt, Novartis personnel should again be contacted.
Hematology
Hemoglobin, hematocrit, red blood cell count, white blood cell count with differential and 
platelet count will be measured.
Clinical chemistry
Sodium, potassium, magnesium, creatinine, urea, uric acid, chloride, albumin, calcium, 
alkaline phosphatase, total bilirubin, LDH, GGT, AST, ALT, lipase, CK, glucose, total 
cholesterol, triglycerides. If the total bilirubin concentration is increased above 1.5 times the 
upper limit of normal, direct and indirect reacting bilirubin should be differentiated.
Urinalysis
A urinalysis sample will be collected at the time points specified in the Assessment Schedule.
Special clinical laboratory evaluations

Urine pregnancy test will be performed for female patients.
8.4.5
Electrocardiogram (ECG)
PR interval, QRS duration, heart rate, RR, QT, QTc
The Fridericia QT correction formula (QTcF) should be used for clinical decisions.
8.4.6
Pregnancy and assessments of fertility
All pre-menopausal women who are not surgically sterile will have regular urine pregnancy 
tests at screening and at end of the study. A positive urine pregnancy test requires exclusion of 
patient from the study unless serum β-hCG is performed and found to be negative. 


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8.5
Pharmacokinetics
PK samples will be collected at the time points defined in the Assessment Schedule.
Further details on sample collection, numbering, processing and shipment can be found in the 
Site Operations Manual.
Pharmacokinetic (PK) samples will be obtained and evaluated in all subjects at all dose levels.
SOM230 will be determined by a validated method.
Untreated samples (placebo) will not be analyzed.
Concentrations will be expressed in mass per volume units. Concentrations below the LLOQ 
will be reported as “zero” and missing data will be labeled as such in the Bioanalytical Data 
Report.
For standard pharmacokinetic abbreviations and definitions see the list provided at the 
beginning of this protocol.
8.6
Other assessments
No additional tests will be performed on subjects entered into this study.
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9
Safety monitoring
9.1
Adverse events
An adverse event (AE) is any untoward medical occurrence (i.e., any unfavorable and 
unintended sign (including abnormal laboratory findings), symptom or disease) in a subject or 
clinical investigation subject after providing written informed consent for participation in the 
study. Therefore, an AE may or may not be temporally or causally associated with the use of a 
medicinal (investigational) product.
The occurrence of adverse events should be sought by non-directive questioning of the subject 
at each visit during the study. Adverse events also may be detected when they are volunteered 
by the subject during or between visits or through physical examination, laboratory test, or 
other assessments.
Abnormal laboratory values or test results constitute adverse events only if they fulfill at least 
one of the following criteria:

they induce clinical signs or symptoms,

they are considered clinically significant,

they require therapy.
Clinically significant abnormal laboratory values or test results should be identified through a 
review of values outside of normal ranges/clinically notable ranges, significant changes from 
baseline or the previous visit, or values which are considered to be non-typical in patients with 
underlying disease. Investigators have the responsibility for managing the safety of individual 
subject and identifying adverse events. Alert ranges for liver related events are included in 
Section 9.3.
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Adverse events must be recorded on the Adverse Events CRF for subjects that pass screening 
and enter into the study. The adverse events should be reported according to the signs, 
symptoms or diagnosis associated with them, and accompanied by the following information:
the severity grade using CTC-AE grading. In case CTC-AE grading does not exist for an 
adverse event, use:

1=mild,

2=moderate,

3=severe

4=life threatening (qualifying as an SAE).
1. its relationship to the study treatment (no/yes),
2. its duration (start and end dates) or if the event is ongoing an outcome of not 
recovered/not resolved should be reported.
3. whether it constitutes a serious adverse event (SAE) See Section 9.2 for definition of SAE
4. action taken regarding study treatment.
5. its outcome (not recovered/not resolved; recovered/resolved; recovering/resolving, 
recovered/resolved with sequelae; fatal; or unknown)
All adverse events should be treated appropriately. Treatment may include one or more of the 
following:

no action taken (i.e. further observation only)

study treatment dosage adjusted/temporarily interrupted

study treatment permanently discontinued due to this adverse event

concomitant medication given

non-drug therapy given

subject hospitalized/subject’s hospitalization prolonged
Once an adverse event is detected, it should be followed until its resolution or until it is 
judged to be permanent, and assessment should be made at each visit (or more frequently, if 
necessary) of any changes in severity, the suspected relationship to the study drug, the 
interventions required to treat it, and the outcome.
Information about common side effects already known about the investigational drug can be 
found in the Investigator Brochure (IB) or Core Data Sheet (for marketed drugs) or will be 
communicated between IB updates in the form of Investigator Notifications. This information 
will be included in the subject informed consent and should be discussed with the subject 
during the study as needed.
The investigator should also instruct each subject to report any new adverse event (beyond the 
protocol observation period) that the subject, or the subject’s personal physician, believes 
might reasonably be related to study treatment. This information should be recorded in the 
investigator’s source documents, however, if the AE meets the criteria of an SAE, it must be 
reported to Novartis.
If required by a local regulatory authority, the investigator will identify and declare a 
consulting endocrinologist to review relevant Adverse Events. 


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9.2
Serious adverse event reporting
9.2.1
Definition of SAE
An SAE is defined as any adverse event (appearance of (or worsening of any pre-existing) 
undesirable sign(s), symptom(s) or medical conditions(s) which meets any one of the 
following criteria:

is fatal or life-threatening

results in persistent or significant disability/incapacity

constitutes a congenital anomaly/birth defect

requires inpatient hospitalization or prolongation of existing hospitalization, unless 
hospitalization is for: 

routine treatment or monitoring of the studied indication, not associated with any 
deterioration in condition of cluster headache elective or pre-planned treatment for a 
pre-existing condition that is unrelated to the indication under study  and has not 
worsened since the start of study drug

treatment on an emergency outpatient basis for an event not fulfilling any of the 
definitions of a SAE given above and not resulting in hospital admission

social reasons and respite care in the absence of any deterioration in the patient’s 
general condition

is medically significant, i.e. defined as an event that jeopardizes the subject or may require 
medical or surgical intervention to prevent one of the outcomes listed above.
Life-threatening in the context of a SAE refers to a reaction in which the subject was at risk of 
death at the time of the reaction; it does not refer to a reaction that hypothetically might have 
caused death if more severe.
All malignant neoplasms will be assessed as serious under “medically significant” if other 
seriousness criteria are not met.
Any suspected transmission via a medicinal product of an infectious agent is also considered a 
serious adverse reaction.
Medical and scientific judgment should be exercised in deciding whether other situations 
should be considered serious reactions, such as important medical events that might not be 
immediately life threatening or result in death or hospitalization but might jeopardize the 
patient or might require intervention to prevent one of the other outcomes listed above. 
Examples of such events are intensive treatment in an emergency room or at home for allergic 
bronchospasm, blood dyscrasias or convulsions that do not result in hospitalization or 
development of dependency or abuse.
All AEs (serious and non-serious) are captured on the CRF, SAEs also require individual 
reporting to DS&E as per Section 9.2.2.


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9.2.2
SAE reporting
To ensure subject safety, every SAE, regardless of causality, occurring after the subject has 
provided informed consent and until 30 days after the last study visit, must be reported to 
Novartis within 24 hours of learning of its occurrence as described below. Any SAEs 
experienced after this should only be reported to Novartis if the investigator suspects a causal 
relationship to study treatment.
Recurrent episodes, complications, or progression of the initial SAE must be reported as 
follow-up to the original episode, regardless of when the event occurs. This report must be 
submitted within 24 hours of the investigator receiving the follow-up information. An SAE 
that is considered completely unrelated to a previously reported one should be reported 
separately as a new event.
Information about all SAEs (either initial or follow up information) is collected and recorded 
on the paper Serious Adverse Event Report Form. The investigator must assess the 
relationship to each specific component of study treatment (if study treatment consists of 
several drugs) complete the SAE Report Form in English, and send the completed, signed 
form by fax within 24 hours after awareness of the SAE to the local Novartis Drug Safety and 
Epidemiology Department, notifying the Clinical Trial Leader. Contact information is listed 
in the Site Operations Manual.
The original copy of the SAE Report Form and the fax confirmation sheet must be kept with 
the source documentation at the study site. Follow-up information should be provided using a 
new paper SAE Report Form stating that this is a follow-up to a previously reported SAE.
SAEs (initial and follow-up) that are recorded electronically in the Electronic Data Capture 
system should be entered, saved and e-signed within 24 hours of awareness of the SAE or 
changes to an existing SAE. These data will automatically be submitted to Novartis Drug 
Safety & Epidemiology immediately after investigator signature or 24 hours after entry, 
whichever occurs first. Study site personnel must also inform the Clinical Trial Leader.
Follow- up information provided should describe whether the event has resolved or continues, 
if and how it was treated, whether the treatment code was broken or not and whether the 
subject continued or withdrew from study participation. Each re-occurrence, complication, or 
progression of the original event should be reported as a follow-up to that event regardless of 
when it occurs.
If the SAE is not previously documented in the Investigator’s Brochure or Package Insert 
(new occurrence) and is thought to be related to the investigational treatment a Drug Safety 
and Epidemiology Department associate may urgently require further information from the 
investigator for Health Authority reporting. Novartis may need to issue an Investigator 
Notification (IN) to inform all investigators involved in any study with the same 
investigational treatment that this SAE has been reported. Suspected Unexpected Serious 
Adverse Reactions (SUSARs) will be collected and reported to the competent authorities and 
relevant ethics committees in accordance with EU Guidance 2011/C 172/01 or as per national 
regulatory requirements in participating countries.


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9.3
Liver safety monitoring
To ensure subject safety and enhance reliability in determining the hepatotoxic potential of an 
investigational drug, a standardized process for identification, monitoring and evaluation of 
liver events has to be followed.
The following two categories of abnormalities / adverse events have to be considered during 
the course of the study:

Liver laboratory triggers, which will require repeated assessments of the abnormal 
laboratory parameter

Liver events, which will require close observation, follow-up monitoring and completion 
of the standard base liver CRF pages
Please refer to Appendix 2-Table 16-1 and Appendix 2-Table 16-2 for complete definitions of 
liver laboratory triggers and liver events.
Every liver laboratory trigger or liver event should be followed up by the investigator or designated 
personal at the trial site, as summarized below and detailed in in Appendix 2-Table 16-2.
For the liver laboratory trigger:

Repeating the LFT within the next week to confirm elevation.
These LFT repeats should be performed using the central laboratory if possible. If this is not 
possible, then the repeats can be performed at a local laboratory to monitor the safety of the 
patient. Repeats laboratory should then be performed at central laboratory as soon as possible. 
If a liver event is subsequently reported, any local LFTs previously conducted that are 
associated with this event should be reported on the Liver CRF pages.
For the liver events:

Repeating the LFT to confirm elevation as appropriate

Discontinuation of the investigational drug (refer to Section 7.1, if appropriate

Hospitalization of the subject if appropriate

A causality assessment of the liver event via exclusion of alternative causes (e.g. disease, 
co-medications)

An investigation of the liver event which needs to be followed until resolution.
These investigations can include serology tests, imaging and pathology assessments,
hepatologist’s consultancy, based on investigator’s discretion. All follow-up information, and 
the procedures performed should be recorded as appropriate in the CRF, including the liver 
event overview CRF pages.


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9.4
Pregnancy reporting
To ensure patient safety, each pregnancy in a subject on study drug must be reported to 
Novartis within 24 hours of learning of its occurrence. The pregnancy should be followed up 
to determine outcome, including spontaneous or voluntary termination, details of the birth, 
and the presence or absence of any birth defects, congenital abnormalities, or maternal and/or 
newborn complications. The study drug must be discontinued, though the subject may stay in 
the study, if she wishes to do so. All assessments that are considered as a risk during 
pregnancy must not be performed. The subject may continue all other protocol assessments. 
Pregnancy must be recorded on a Pharmacovigilance Pregnancy Form and reported by the 
investigator to the local Novartis Drug Safety and Epidemiology Department. 
Pregnancy follow-up should be recorded on the same form and should include an assessment 
of the possible relationship to the Novartis study drug of any pregnancy outcome. Any SAE 
experienced during pregnancy must be reported on an SAE Report Form.
9.5
Early phase safety monitoring
The Investigator will monitor adverse events in an ongoing manner and inform the Sponsor of 
any clinically relevant observations. Any required safety reviews will be made jointly 
between medically qualified personnel representing the
Sponsor and Investigator.
Such evaluations may occur verbally, but the outcome and key discussion points will be 
summarized in writing (e-mail) and made available to both Sponsor and all Investigator(s). 
Criteria pertaining to stopping the study/treatment or adapting the study design are presented 
above.
When two or more clinical site(s) are participating in the clinical study, the Sponsor will 
advise the Investigator(s) at all sites in writing (e-mail) (and by telephone if possible) of any 
new, clinically relevant safety information reported from another site during the conduct of 
the study in a timely manner.
10
Data review and database management
10.1
Site monitoring
Before study initiation, at a site initiation visit or at an investigator’s meeting, a Novartis 
representative will review the protocol and CRFs with the investigators and their staff. 
During the study Novartis employs several methods of ensuring protocol and GCP 
compliance and the quality/integrity of the sites’ data. The monitor will visit the site to check 
the completeness of subject records, the accuracy of entries on the CRFs, the adherence to the 
protocol and to Good Clinical Practice, the progress of enrollment, and to ensure that study 
drug is being stored, dispensed, and accounted for according to specifications. Key study 
personnel must be available to assist the monitor during these visits.


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The investigator must maintain source documents for each subject in the study, consisting of 
case and visit notes (hospital or clinic medical records) containing demographic and medical 
information, laboratory data, electrocardiograms, and the results of any other tests or 
assessments. All information on CRFs must be traceable to these source documents in the 
subject's file. The investigator must also keep the original informed consent form signed by 
the subject (a signed copy is given to the subject).
The investigator must give the monitor access to all relevant source documents to confirm 
their consistency with the CRF entries. Novartis monitoring standards require full verification 
for the presence of informed consent, adherence to the eligibility criteria, documentation of 
SAEs, and the recording of data that will be used for all primary and safety variables. 
Additional checks of the consistency of the source data with the CRFs are performed 
according to the study-specific monitoring plan. No information in source documents about 
the identity of the subjects will be disclosed.
10.2
Data collection
Designated investigator staff will enter the data required by the protocol into the Electronic 
Case Report Forms using fully validated software that conforms to 21 CFR Part 11 
requirements. Designated investigator site staff will not be given access to the EDC system 
until they have been trained. Automatic validation programs check for data discrepancies and, 
by generating appropriate error messages, allow the data to be confirmed or corrected before 
transfer of the data to the CRO working on behalf of Novartis. The Investigator must certify 
that the data entered into the Electronic Case Report Forms are complete and accurate. 
After database lock, the investigator will receive a CD-ROM or paper copies of the subject 
data for archiving at the investigational site.
Data not requiring a separate written record will be defined in the Site Operations Manual and 
Assessment schedule and can be recorded directly on the CRFs. All other data captured for 
this study will have an external originating source (either written or electronic) with the CRF 
not being considered as source.
10.3
Database management and quality control
All data should be recorded, handled and stored in a way that allows its accurate reporting, 
interpretation and verification.
The CRO working on behalf of Novartis review the data entered into the eCRFs by 
investigational staff for completeness and accuracy and instruct the site personnel to make any 
required corrections or additions. Queries are sent to the investigational site using an 
electronic data query. Designated investigator site staff is required to respond to the query and 
confirm or correct the data. If the electronic query system is not used, a paper Data Query 
Form will be faxed to the site. Site personnel will complete and sign the faxed copy and fax it 
back to the CRO working on behalf of Novartis who will make the correction to the database.
Concomitant medications entered into the database will be coded using the WHO Drug 
Reference List, which employs the Anatomical Therapeutic Chemical classification system. 
Medical history/current medical conditions and adverse events will be coded using the 
Medical dictionary for regulatory activities (MedDRA) terminology.


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Laboratory samples will be processed centrally and the results will be sent electronically to 
Novartis (or a designated CRO).
This will be a non-randomized study the investigator and site will be unblinded while the 
patient will remain blinded. The occurrence of any protocol deviations will be determined. 
After these actions have been completed and the database has been declared to be complete 
and accurate, it will be locked and the treatment codes will be unblinded and made available 
for data analysis. Any changes to the database after that time can only be made by joint 
written agreement between the COAR Analytics and TM-TA Head.
10.4
Data Monitoring Committee
Not required.
10.5
Adjudication Committee
Not required
11
Data analysis
If the 0.9 mg dose is assessed then cohort will serve as a grouping factor for all relevant data 
listings. Additionally the effects of cohort on different endpoints will be explored and cohort 
may be included as a covariate in the corresponding analysis models as needed. A separate 
analysis may be performed for each cohort. 
11.1
Analysis sets
For all analysis sets, subjects will be analyzed according to the study treatment received.
The safety analysis set will include all subjects that received any study drug.
The PK analysis set will include all subjects with available PK data and no protocol 
deviations with relevant impact on PK data.
The efficacy/PD analysis set will include all subjects that received any study drug and had no 
protocol deviations with relevant impact on efficacy/PD data.
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11.2
Subject demographics and other baseline characteristics
All data for background and demographic variables will be listed by Cohort and subject. 
Summary statistics will be provided by Cohort.
Relevant medical history, current medical conditions, results of laboratory screens and any 
other relevant information will be listed by Cohort and subject.
11.3
Treatments (study drug, rescue medication, other concomitant 
therapies, compliance)
Data for study drug administration (rescue medication) and concomitant therapies will be 
listed by Cohort, treatment and subject as appropriate.
11.4
Analysis of the primary variable(s)
11.4.1
Variable(s)
Percent (%) of patients with headache response defined as very severe, severe, or moderate 
pain before dosing that becomes mild or nil at 30 minutes post-dosing is the primary variable.
11.4.2
Statistical model, hypothesis, and method of analysis
A logistic regression analysis with baseline headache severity, CH type, dose, 
 
 and dose by time interaction as fixed effects and subject as a 
random effect will be used to assess the effect of SOM230 on headache response over time. 
Dose and time will be included as categorical variables in the model. Placebo adjusted 
headache response rate at each time point will be provided. Headache response measurements 
after 100% oxygen therapy will be set to missing, which will be considered as missing at random.
The following approaches will be taken if the 0.9 mg dose is assessed in the second cohort:
Placebo adjusted headache response rate at each time point will be obtained for each of the 
two SOM230 doses.  A linear dose-response trend test will be constructed within the logistic 
regression framework using a contrast with the first order orthogonal polynomial coefficients.  
Pairwise comparisons and further dose-response assessments will be performed as appropriate. 
If there is no difference between the two SOM230 doses then a comparison between the 
pooled SOM230 treatment and placebo will be conducted.
A subgroup analysis for non-sumatriptan users may be conducted as needed.
11.4.3
Handling of missing values/censoring/discontinuations
Assuming missing at random, a subject with missing value at a time point will still contribute 
to the estimation of the treatment effect at that particular time point as the likelihood-based
repeated measures analysis borrows information from non-missing values of this subject and 
other subjects.
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11.4.4
Supportive analyses
Additionally 100% oxygen therapy will be included in the logistic regression model described 
above as a time dependent covariate so headache response measurements after 100% oxygen 
therapy can be included in the analysis. 
The McNemar test with or without stratification by CH type may also be used to compare 
headache response rates between treatments at each time point.
A Cox proportional hazard model with dose and CH type as classification factors and 
headache severity as a time dependent covariate will be used to analyze time to 100% oxygen 
therapy. A random subject effect will be included in the model as well to account for the 
correlation among measurements from the same subject. Percentage of subjects receiving 
100% oxygen therapy at each time point will be tabulated by treatment.
Joint modelling of the headache response and time to 100% oxygen therapy data may be 
attempted as appropriate.
Finally to avoid reducing statistical efficiency due to analyzing the dichotomized data the 
headache severity measurements over time may be analyzed using a proportional-odds model 
similar to the aforementioned logistic regression model.
11.5
Analysis of secondary and exploratory variables
11.5.1
Efficacy / Pharmacodynamics
Pain free data will be analyzed using the same approach described for the primary variable.
A generalized linear model with CH type and dose as fixed effects and subject as a random 
effect will be used to compare the number of headache attacks following SOM230 treatment 
to baseline assuming the underlying data distribution is Poisson. Over dispersion, if any, will 
be accounted for as appropriate.
11.5.2
Safety
Vital signs
All vital signs data will be listed by treatment, subject, and visit/time and if ranges are 
available abnormalities (and relevant orthostatic changes) will be flagged. Summary statistics 
will be provided by treatment and visit/time.
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ECG evaluations
All ECG data will be listed by treatment, subject and visit/time, abnormalities will be flagged. 
Summary statistics will be provided by treatment and visit/time.
Clinical laboratory evaluations
All laboratory data will be listed by treatment, subject, and visit/time and if normal ranges are 
available abnormalities will be flagged. Summary statistics will be provided by treatment and 
visit/time.
Adverse events
All information obtained on adverse events will be displayed by treatment and subject.
The number and percentage of subjects with adverse events will be tabulated by body system 
and preferred term with a breakdown by treatment. An adverse event starting in one period 
and continuing into the next period is counted only in the onset period. A subject with 
multiple adverse events within a body system is only counted once towards the total of this 
body system.
11.5.3
Pharmacokinetics
SOM230 plasma concentration data will be listed by treatment, subject, and visit/sampling 
time point.
11.5.4
Pharmacokinetic / pharmacodynamic interactions
The
relationship between reconstructed individual PK
profiles and/or the derived 
PK parameters with various efficacy/PD variables will be explored as appropriate.
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11.6
Sample size calculation
Data from 23 subjects in each cohort will provide approximately 80% power to detect a drug 
effect (headache response rate at 30 minutes) that is both clinically significant (defined as the 
estimated treatment difference >=30%) and statistically significant (defined as >=90% 
probability of a >0% net drug effect) if the true placebo adjusted drug effect is 42%. 
The power calculation was performed using simulations assuming a correlation of 0.25 and 
the headache response rate for placebo treatment and 0.9 mg or 1.5 mg SOM230 dose is 30% 
and 72%, respectively. To account for a potential 20% drop-out rate approximately 
30 patients will be enrolled in a cohort.
11.7
Power for analysis of key exploratory variables
Data from 23 subjects will provide 86% power to detect a mean difference of 0.5 headache 
attack a day using a 1-sided paired t-test at the 0.05 significance level assuming an SD of 0.84
(Leone et al 2000) and a correlation of 0.5.
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12
Ethical considerations
12.1
Regulatory and ethical compliance
This clinical study was designed and shall be implemented and reported in accordance with 
the ICH Harmonized Tripartite Guidelines for Good Clinical Practice, with applicable local 
regulations (including European Directive 2001/20/EC, US Code of Federal Regulations Title 
21, and Japanese Ministry of Health, Labor, and Welfare), and with the ethical principles laid 
down in the Declaration of Helsinki.
12.2
Responsibilities of the investigator and IRB/IEC
Before initiating a trial, the investigator/institution should obtain approval/favorable opinion 
from the Institutional Review Board/Independent Ethics Committee (IRB/IEC) for the trial 
protocol, written informed consent form, consent form updates, subject recruitment 
procedures (e.g. advertisements) and any other written information to be provided to subjects. 
Prior to study start, the investigator is required to sign a protocol signature page confirming 
his/her agreement to conduct the study in accordance with these documents and all of the 
instructions and procedures found in this protocol and to give access to all relevant data and 
records to Novartis monitors, auditors, Novartis Quality Assurance representatives, designated 
agents of Novartis, IRBs/IECs, and regulatory authorities as required. If an inspection of the 
clinical site is requested by a regulatory authority, the investigator must inform Novartis 
immediately that this request has been made.
For multi-center trials, a Coordinating Investigator will be selected by Novartis around the 
time of Last Patient Last Visit to be a reviewer and signatory for the clinical study report.
12.3
Publication of study protocol and results
Novartis assures that the key design elements of this protocol will be posted in a publicly 
accessible database such as clinicaltrials.gov. In addition, upon study completion and 
finalization of the study report the results of this trial will be either submitted for publication 
and/or posted in a publicly accessible database of clinical trial results.


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13
Protocol adherence
This protocol defines the study objectives, the study procedures and the data to be collected 
on study participants. Additional assessments required to ensure safety of subjects should be 
administered as deemed necessary on a case by case basis. Under no circumstances should an 
investigator collect additional data or conduct any additional procedures for any research 
related purpose involving any investigational drugs.
Investigators must apply due diligence to avoid protocol deviations. If the investigator feels a 
protocol deviation would improve the conduct of the study this must be considered a protocol 
amendment, and unless such an amendment is agreed upon by Novartis and approved by the 
IRB/IEC/REB it cannot be implemented. All significant protocol deviations will be recorded 
and reported in the CSR.
13.1
Protocol Amendments
Any change or addition to the protocol can only be made in a written protocol amendment that 
must be approved by Novartis, Health Authorities where required, and the IRB/IEC prior to 
implementation.
Only amendments that are intended to eliminate an apparent immediate hazard to subjects 
may be implemented, provided the Health Authorities and the reviewing IRB/IEC are 
subsequently notified by protocol amendment.
Notwithstanding the need for approval of formal protocol amendments, the investigator is 
expected to take any immediate action required for the safety of any subject included in this 
study, even if this action represents a deviation from the protocol. In such cases, the CTL 
should be informed and (serious) adverse event reporting requirements (Section 9) followed 
as appropriate.


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14
References
Fischera M, Marziniak M, Gralow I, et al (2008) The incidence and prevalence of cluster 
headache: a meta-analysis of population-based studies.Cephalalgia;614–618)
Leone M, D’Amico D, Frediani F, et al (2000) Verapamil in the prophylaxis of episodic 
cluster headache: a doubleblind study versus placebo. Neurology;54(6):1382–1385.
Matharu MS, Levy MJ, Meeran K, et al (2004) Subcutaneous Octreotide in Cluster Headache: 
Randomized Placebo-Controlled Double-Blind Crossover Study. Ann Neurol;56:488–494.
Physician Desk Reference (2015)
Pinter E, Zsuzsanna H, Szolcsanyi J (2006) Inhibitory effect of somatostatin on inflammation 
and nociception. Science Direct;440-456.
Schmid HA, Schoeffter P (2004) Functional Activity of the Multiligand Analog SOM230 at 
Human Recombinant Somatostatin Receptor Subtypes Its Usefulness in Neuroendocrine 
Tumors. Neuroendocrinology;80(suppl 1):47-50.
Sicuteri F, Geppetti P, MarabiniS, et al (1984) Pain Relief by Somatostatin in Attacks of 
Cluster Headache.Pain;18:359-365
Theodoropoulou M, Stalla G (2013) Somatostatin receptors: from signaling to clinical
practice. Front Neuroendocrinology,34(3):228-52.


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15
Appendix 1 Blinding levels
Not applicable, being a subject only blinded.


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16
Appendix 2 Liver Safety Monitoring
Table 16-1
Liver Event and Laboratory Trigger Definitions
Definition/ threshold
Liver laboratory 
triggers
3 x ULN < ALT / AST £ 5 x ULN
1.5 x ULN < TBL £ 2 x ULN
Liver events
ALT or AST > 5 × ULN
ALP > 2 × ULN (in the absence of known bone pathology)
TBL > 2 × ULN (in the absence of known Gilbert syndrome)
ALT or AST > 3 × ULN and INR > 1.5
Potential Hy’s Law cases (defined as ALT or AST > 3 × ULN and TBL > 2 × ULN 
[mainly conjugated fraction] without notable increase in ALP to > 2 × ULN)
Any clinical event of jaundice (or equivalent term)
ALT or AST > 3 × ULN accompanied by (general) malaise, fatigue, abdominal pain, 
nausea, or vomiting, or rash with eosinophilia
Any adverse event potentially indicative of a liver toxicity *
Table 16-2
Follow Up Requirements for Liver Events and Laboratory Triggers
Criteria
Actions required
Follow-up monitoring
Potential Hy’s Law casea
Discontinue the study drug 
immediately
Hospitalize, if clinically appropriate
Establish causality
Complete liver CRF
ALT, AST, TBL, Alb, PT/INR, ALP and γGT 
until resolutionc (frequency at investigator 
discretion)
ALT or AST
> 8 × ULN
Discontinue the study drug 
immediately
Hospitalize if clinically appropriate
Establish causality
Complete liver CRF
ALT, AST, TBL, Alb, PT/INR, ALP and γGT 
until resolutionc (frequency at investigator 
discretion)
> 3 × ULN and INR > 1.5
Discontinue the study drug 
immediately
Hospitalize, if clinically appropriate
Establish causality
Complete liver CRF
ALT, AST, TBL, Alb, PT/INR, ALP and γGT 
until resolutionc (frequency at investigator 
discretion)
> 5 to ≤ 8 × ULN
Repeat LFT within 48 hours
If elevation persists, continue 
follow-up monitoring
If elevation persists for more than 2 
weeks, discontinue the study drug
Establish causality
Complete liver CRF
ALT, AST, TBL, Alb, PT/INR, ALP and γGT 
until resolutionc (frequency at investigator 
discretion)


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Criteria
Actions required
Follow-up monitoring
> 3 × ULN accompanied by 
symptomsb
Discontinue the study drug 
immediately
Hospitalize if clinically appropriate
Establish causality
Complete liver CRF
ALT, AST, TBL, Alb, PT/INR, ALP and γGT 
until resolutionc (frequency at investigator 
discretion)
> 3 to ≤ 5 × ULN
(patient is asymptomatic)
Repeat LFT within the next week
If elevation is confirmed, initiate 
close observation of the patient
Investigator discretion
Monitor LFT within 1 to 4 weeks
ALP (isolated)
> 2 × ULN (in the absence of 
known bone pathology)
Repeat LFT within 48 hours
If elevation persists, establish 
causality
Complete liver CRF
Investigator discretion
Monitor LFT within 1 to 4 weeks or at next 
visit
TBL (isolated)
> 2 × ULN (in the absence of 
known Gilbert syndrome)
Repeat LFT within 48 hours
If elevation persists, discontinue 
the study drug immediately
Hospitalize if clinically appropriate
Establish causality
Complete liver CRF
ALT, AST, TBL, Alb, PT/INR, ALP and γGT 
until resolutionc (frequency at investigator 
discretion)
Test for hemolysis (e.g. reticulocytes, 
haptoglobin, unconjugated [indirect] 
bilirubin)
> 1.5 to ≤ 2 × ULN
(patient is asymptomatic)
Repeat LFT within the next week
If elevation is confirmed, initiate 
close observation of the patient
Investigator discretion
Monitor LFT within 1 to 4 weeks or at next 
visit
Jaundice
Discontinue the study drug 
immediately
Hospitalize the patient
Establish causality
Complete liver CRF
ALT, AST, TBL, Alb, PT/INR, ALP and γGT 
until resolutionc (frequency at investigator 
discretion)
Any AE potentially indicative 
of a liver toxicity*
Consider study drug interruption or 
discontinuation
Hospitalization if clinically 
appropriate
Establish causality
Complete liver CRF
Investigator discretion
*These events cover the following: hepatic failure, fibrosis and cirrhosis, and other liver damage-related 
conditions; the non-infectious hepatitis; the benign, malignant and unspecified liver neoplasms
aElevated ALT/AST > 3 × ULN and TBL > 2 × ULN but without notable increase in ALP to > 2 × ULN
b (General) malaise, fatigue, abdominal pain, nausea, or vomiting, or rash with eosinophilia
c Resolution is defined as an outcome of one of the followings: (1) return to baseline values, (2) stable values at 
three subsequent monitoring visits at least 2 weeks apart, (3) remain at elevated level after a maximum of 6 
months, (4) liver transplantation, and (5) death.

SAP_001.pdf: 
Biostatistics & Statistical Programming / 
Novartis Institutes for BioMedical Research
SOM230
CSOM230Y2201
A Multicenter, Placebo-Controlled, Single Dose Study in 
Acute Episodic and Chronic Cluster Headache to Evaluate 
the Safety and Efficacy of SOM230 subcutaneous (s.c.)
Statistical Analysis Plan (SAP)
Document type:
SAP Documentation – NIBR 
Document status:
Final
Release date:
09-Nov-2018
Number of pages:
12
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Table of contents
Table of contents .................................................................................................................3
List of tables ........................................................................................................................3
1
Introduction .........................................................................................................................4
1.1
Scope of document ..................................................................................................4
1.2
Study reference documentation ...............................................................................4
1.3
Study objectives.......................................................................................................4
1.3.1
Primary objective ....................................................................................4
1.3.2
Secondary objectives...............................................................................4
1.4
Study design and treatment......................................................................................4
2
First interpretable results (FIR) ...........................................................................................6
4
Statistical methods: Analysis sets........................................................................................6
5
Statistical methods for Pharmacokinetic (PK) parameters..................................................7
5.2
Descriptive analyses ................................................................................................7
5.2.1
Graphical presentation of results.............................................................8
6
Statistical methods for Pharmacodynamic (PD) parameters...............................................8
6.1
Primary objective.....................................................................................................8
6.1.1
Variables .................................................................................................8
6.1.2
Descriptive analyses................................................................................8
6.1.3
Statistical model, assumptions and hypotheses.......................................8
6.1.4
Supportive analyses.................................................................................9
6.2
Secondary and exploratory objectives...................................................................10
6.2.1
Efficacy/Pharmacodynamics.................................................................10
6.2.2
Pharmacokinetic/pharmacodynamic interactions..................................10
7
Statistical methods for safety and tolerability data............................................................11
7.1.1
Variables ...............................................................................................11
7.1.2
Descriptive analyses..............................................................................11
7.1.3
Graphical presentation ..........................................................................12
List of tables
Table 4-1
Protocol deviation codes and analysis sets..............................................6
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1
Introduction 
1.1
Scope of document
The RAP documents contain detailed information to aid the production of Statistics & 
Programming input into the Clinical Study Report (CSR) for trial “CSOM230Y2201”.
The Statistical analysis plan (SAP) describes the implementation of the statistical analysis 
planned in the protocol.
1.2
Study reference documentation
This SAP has been developed using Clinical Trial Protocol version v04 (incorporating 
Amendment 04) dated 14 March 2018.
1.3
Study objectives
1.3.1
Primary objective
The primary objective of this study is to assess headache response of single subcutaneous (s.c.)
dose of SOM230 compared to placebo in managing cluster headache (CH) attack at 30 minutes 
post-dosing.
1.3.2
Secondary objectives
The secondary objectives of this study are:

To assess pain free response of single s.c. dose of SOM230 compared to placebo in 
managing CH attack at 30 minutes post-dosing

To assess the safety and tolerability of SOM230
1.4
Study design and treatment
This non-confirmatory study will be conducted in 2 cohorts using a one-sequence two-period
design to compare SOM230 vs. Placebo. Following observed efficacy and safety signals in 
Cohort 1 with the 1.5 mg dose, Cohort 2 of the study assessing efficacy of a lower SOM230 
dose (0.9 mg) may be considered.
Two consecutive attacks will be treated: first attack will be treated with placebo (Period 1) and 
the following attack will be treated with SOM230 (Period 2). Approximately 30 subjects will 
be enrolled in Cohort 1 to receive Placebo s.c. single dose in Period 1 then SOM230 1.5 mg s.c., 
a single dose in Period 2. Each study cohort will consist of a 21 day screening period, a baseline 
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period of 3 days prior to the baseline visit, a treatment period (Period 1) lasting up to 3 days 
then a treatment period 2 of up to 3 days, followed by an end of study visit 3 days after study 
drug administration in Period 2. The subjects will have up to 5 visits. Similarly, in Cohort 2,
approximately 30 subjects will receive placebo s.c. single dose in Period 1 and SOM230 0.9 
mg s.c. as a single dose in Period 2.   
Each subject will be instructed to self-administer (or to be assisted by a helper, or health care 
provider) the study medications at the beginning of the CH attack (as early as possible; within 
10 minutes of start of attack when pain is at least moderate). In case the subject experiences CH 
attacks prior to administering study treatment in Period 1 they can use 100% O2 or their 
conventional treatment to manage their acute attacks experienced before Period 1. If the subject 
does not have a headache attack in 72 hours post-baseline, or 72 hours post Period 1 treatment 
the subject will be excluded from the study. 
Subjects will be required to complete a patient diary to document the pain severity and pain 
relief before and after the administration of the study medication. In case the pain is not 
responding to the administered study drug after 30 minutes, subjects will be allowed to use only 
100% oxygen or sumatriptan as a rescue management. If applicable and feasible, subjects in 
Period 1 may return to the study center for follow-up within 24 hour post treatment 
administration. The subjects will have a follow-up within 24 hours of the study drug 
administration in Period 2 where a PK sample will be collected, with a second PK sample 
collected to 1 to 2 hours after the 1st PK sample. In case the follow-up visit in Period 2 falls on 
a weekend, a window of up to 48 hours may be considered.
Figure 1.4-1   Study Design – Cohorts 1 and 2
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2
First interpretable results (FIR)
First interpretable results (FIR) will be provided for this trial.
4
Statistical methods: Analysis sets
For all analysis sets, subjects will be analyzed according to the study treatment received.
The safety analysis set will include all subjects that received any study drug.
The PK analysis set will include all subjects with available PK data and no protocol deviations 
with relevant impact on PK data.
The efficacy/PD analysis set will include all subjects that received study drug in both periods 
and had no protocol deviations with relevant impact on efficacy/PD data.
The analysis sets and protocol deviation codes are related as follows:
Table 4-1
Protocol deviation codes and analysis sets
Category
Deviation code
Text description of deviation
Data exclusion
Subjects are excluded from all (safety) analysis in case of these 
PDs: 
Exclude subject completely 
from all (safety) analysis 
sets
I2
Written ICF not obtained  
Subjects are excluded from PK analysis in case of these PDs: 
Exclude subject from PK 
analysis set 
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TRTD01
Study drug dosing error or incorrect treatment 
administered.
Subjects are excluded from PD analysis in case of these PDs:
Exclude subject from PD 
analysis set
COMD01
Used prohibited treatment within 24 hours 
before receipt of study drug and within the first 
30 minutes post dose.
TRTD01
Study drug dosing error or incorrect treatment 
administered.
Predose severity of CH is not at least 
moderate at one of the periods (unless there 
was a diary  entry error)
If updates to this table are needed, an amendment to the SAP needs to be implemented prior to 
DBL
5
Statistical methods for Pharmacokinetic (PK) parameters
5.2
Descriptive analyses
SOM230 plasma concentration data will be listed by treatment, subject, and visit/sampling
time point. Descriptive summary statistics will be provided by treatment and visit/sampling
time point, including the frequency (n, %) of concentrations below the LLOQ and reported as 
zero.
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Summary statistics will include mean (arithmetic and geometric), SD, CV (arithmetic and 
geometric), median, minimum and maximum. An exception to this is Tmax where median, 
minimum and maximum will be presented. Concentrations below LLOQ will be treated as 
zero in summary statistics. A geometric mean will not be reported if the dataset includes zero
values. The PK parameters will be listed by treatment and subject.
5.2.1
Graphical presentation of results
Arithmetic mean (SD) and geometric mean (95% CI) plasma concentration data will be plotted 
across time.
Overlaying individual plasma concentration-time profiles will be generated along with 
concentration versus time profiles for individual subjects.
6
Statistical methods for Pharmacodynamic (PD) parameters
6.1
Primary objective
The primary objective of this study is to assess headache response of single s.c. dose of SOM230 
compared to placebo in managing CH attack at 30 minutes post-dosing.
6.1.1
Variables 
Percent (%) of subjects with headache response defined as very severe, severe, or moderate 
pain before dosing that becomes mild or nil at 30 minutes post-dosing is the primary variable.
6.1.2
Descriptive analyses
If the second cohort (0.9 mg dose) is assessed then cohort will serve as a grouping factor for all 
relevant data listings.
The headache response will be defined at each post-dose timepoint separately and will be 
summarized by cohort, treatment and visit/timepoint using frequency tables. Percentage of 
subjects having received 100% oxygen therapy or sumatriptan at each time point will be 
tabulated by cohort and treatment.
6.1.3
Statistical model, assumptions and hypotheses
A logistic regression analysis on the 30 minutes post-dosing data only with baseline headache 
severity (very severe, severe or moderate), CH type (episodic or chronic) and dose (0 for 
placebo, 1.5 mg or 0.9 mg for SOM230) as fixed effects will be used to assess the effect of 
SOM230 on headache response. Dose will be included as a categorical variable in the model. 
Placebo adjusted headache response rate will be provided. Headache response measurements 
after 100% oxygen therapy or sumatriptan will be set to missing, which will be considered as 
missing at random. The frequency and percentage of subjects with each response shall be 
displayed, along with the mean estimates, 90% confidence interval and p-value from the logistic 
regression analysis.
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Placebo adjusted headache response rate will be obtained for each of the two SOM230 doses. 
A linear dose-response trend test will be constructed within the logistic regression framework 
using a contrast with the first order orthogonal polynomial coefficients. Pairwise comparisons 
and further dose-response assessments will be performed as appropriate. If there is no difference 
between the two SOM230 doses then a comparison between the pooled SOM230 treatment and 
placebo will be conducted.
6.1.3.1
Sensitivity analyses
Subjects are able to take a rescue medication at least 30 minutes following study medication 
administration. As a sensitivity analysis, the logistic regression analysis shall be repeated on all 
timepoints, where only the timepoints with at least 50% of non-missing data will be kept.  
The logistic regression analysis with baseline headache severity (very severe, severe or 
moderate), CH type (episodic or chronic), dose (0 for placebo, 1.5 mg or 0.9 mg for SOM230), 
time 
 and dose by time interaction as fixed effects 
and subject as a random effect will be used to assess the effect of SOM230 on headache response. 
Dose and time will be included as categorical variables in the model. Placebo adjusted headache 
response rate at each time point will be provided. Headache response measurements after 100% 
oxygen therapy or sumatriptan will be set to missing, which will be considered as missing at 
random. The frequency and percentage of subjects with each response shall be displayed, along 
with the mean estimates, 90% confidence interval and p-value from the logistic regression 
analysis.
The sensitivity logistic regression will only be performed if the primary analysis indicates a 
significant result.
6.1.3.2
Handling of missing values/censoring/discontinuations
Assuming missing at random, a subject with missing value at a time point will still contribute 
to the estimation of the treatment effect at that particular time point as the likelihood-based 
repeated measures analysis borrows information from non-missing values of this subject and 
other subjects.
6.1.3.3
Graphical presentation of results
If there are sufficient data to analyze, then the time to headache response, time to pain free 
response and time to recurrence curves, using Kaplan-Meier estimates will be constructed by 
dose. A clustered log-rank test for correlated survival data will be performed to compare the 
time to event curves between treatments while hazard ratios will be estimated by the Cox 
proportional hazard frailty model with CH type and baseline headache severity or frequency 
included as covariates as appropriate. If subjects do not have an event, they will be censored at 
their last available visit. These analyses will only be conducted if the primary analysis indicates 
a significant result and if there is sufficient data.
6.1.4
Supportive analyses
The McNemar test with or without stratification by CH type may also be used to compare 
headache response rates between treatments at 30 minutes post-dosing only.
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If there are sufficient data to analyze, a Cox proportional hazard model with dose and CH type 
as classification factors and headache severity as a time dependent covariate will be used to 
analyze time to 100% oxygen therapy or sumatriptan. A random subject effect will be included 
in the model as well to account for the correlation among measurements from the same subject.
This model will only be performed if the primary analysis indicates a significant result and there 
is sufficient data.
Joint modelling of the headache response and time to 100% oxygen therapy or sumatriptan data 
may be attempted as appropriate. This analysis will only be performed if a good response rate
at 30 minutes versus placebo is detected.
Finally to avoid reducing statistical efficiency due to analyzing the dichotomized data, the 
headache severity measurements over time may be analyzed using a proportional-odds model 
similar to the aforementioned logistic regression model.
6.2
Secondary and exploratory objectives
6.2.1
Efficacy/Pharmacodynamics
6.2.1.1
Variables 
The percentage of subjects who are pain free at 30 minutes pose dose is one of the secondary 
endpoints.
 
 
 
 
6.2.1.2
Descriptive analyses
Number and percentage of subjects pain free and of subjects reporting improvement of 
associated autonomic symptoms (for example, lacrimation, blushing, pupil constriction, etc.) 
over time will be tabulated by dose.
Number and percentage of subjects receiving rescue medication at or after 30 minutes.
6.2.1.3
Statistical model, assumptions and hypotheses
Pain free data will be analyzed using the same approach described for the primary variable. Pain 
free response measurements after 100% oxygen therapy or sumatriptan will be set to missing, 
which will be considered as missing at random. 
6.2.2
Pharmacokinetic/pharmacodynamic interactions
The relationship between reconstructed individual PK profiles with various efficacy/PD 
variables will be explored as appropriate and the results reported in a separate report.
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7
Statistical methods for safety and tolerability data
7.1.1
Variables 
Adverse events, vital signs (blood pressure, pulse rate, body temperature), ECG intervals, 
laboratory measurements, as well as subject demographics, baseline characteristics, and 
treatment information.
7.1.2
Descriptive analyses
Subject demographics and other baseline characteristics
All data for background and demographic variables will be listed by cohort, treatment and 
subject. Summary statistics will be provided by cohort and treatment.
Relevant medical history, current medical conditions, results of laboratory screens, drug tests 
and any other relevant information will be listed by cohort and subject.
Treatment
Data for study drug administration, rescue medications and concomitant therapies will be listed 
by cohort, treatment and subject as appropriate.
Vital signs
All vital signs data will be listed by cohort, treatment, subject, and visit/time and if ranges are 
available abnormalities (and relevant orthostatic changes) will be flagged. Summary statistics 
will be provided by cohort, treatment and visit/time.
ECG evaluations
All ECG data will be listed by cohort, treatment, subject and visit/time, abnormalities will be 
flagged. Summary statistics will be provided by cohort, treatment and visit/time.
Clinical laboratory evaluations
All laboratory data will be listed by cohort, treatment, subject, and visit/time and if normal 
ranges are available abnormalities will be flagged. A separate listing is provided presenting all 
parameters in a subject with any abnormal values. Summary statistics will be provided by cohort, 
treatment and visit/time.
Adverse events
All information obtained on adverse events will be displayed by treatment and subject.
The number and percentage of subjects with adverse events will be tabulated by body system 
and preferred term with a breakdown by cohort and treatment. An adverse event starting in one 
period and continuing into the next period is counted only in the onset period. A subject with 
multiple adverse events within a body system is only counted once towards the total of this 
body system and treatment.


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7.1.3
Graphical presentation 
Boxplots to visualize trends in longitudinal safety data (vitals) will be created.