Clinical trial NCT03119766
Conditions: Dyspepsia
Sponsor: Materia Medica Holding
Start date: 2017-06-28; Completion date: 2020-01-11
Enrollment: 370 participants; Allocation: RANDOMIZED; Intervention model: PARALLEL

Brief summary:
Purpose of the study:

To obtain additional data on efficacy and safety of Kolofort in the treatment of patients with functional dyspepsia.

Detailed description:
Design: a multicenter double-blind placebo-controlled randomized clinical trial to evaluate the efficacy and safety of the study treatment.

The study will enroll the patients of both genders aged 18-45 years old with verified diagnosis of "functional dyspepsia" according to Rome-IV criteria and intensity of dyspeptic symptoms ≥ 6 according to GIS (Gastrointestinal symptom score).

At the screening visit 1 (Visit 1, from -14 to -1 days), after signing patient information sheet (informed consent form) to participate in the clinical trial, complaints and medical history are collected, an objective examination is performed. The investigator evaluates intensity of dyspeptic symptoms according to GIS. The patient undergoes an abdomen ultrasound examination, esophagogastroduodenoscopy (EGDS) , and diagnostic tests for Helicobacter pylori (H. pylori) infection. In case of the previous use of proton pump inhibitors, prokinetics, antispasmodics, antacids, bismuth drugs the investigator evaluates the possibility of canceling these drugs at least 7 days before the patient is randomized. For women of reproductive age, a pregnancy test is performed.

On the day of randomization (Visit 2, Day 0) collection of complaints and objective examination are carried out. The investigator evaluates the results of laboratory and instrumental research methods, the severity of dyspepsia symptoms on the GIS scale, registers changes in concomitant therapy.

If a patient meets all inclusion criteria and does not have any exclusion criteria, he/she is randomized into one of two groups: patients in Group 1 receive Kolofort for 8 weeks; patients in Group 2 - Placebo on the study drug regimen. The patient completes the Nepean Dyspepsia Index (NDI) and Quality of Life (SF-36) questionnaires.

The patient's treatment lasts for 8 weeks, during which 3 visits to the research center are carried out. At Visit 3 (Week 2 ± 3 days), complaints are collected, an objective examination of the patient is performed. The investigator monitors the prescribed and concomitant therapy, evaluates the safety of therapy and the degree of adherence to treatment (compliance). At visit 4 (week 4±3 days) and 5 (week 8±3 days) the investigator collects complaints, registers the physical examination data, monitors the prescribed and concomitant therapy, assesses the safety of the treatment and compliance. Questionnaires GIS, NDI are filled in.

Additionally, at Visit 5 the patient fills out the SF-36 scale, the investigator fills out the Clinical Global Impression-Efficacy Index (CGI-EI).

The patients will be allowed to take symptomatic therapy and medications for their co-morbidities during the study, except for the medicines listed in "Prohibited Concomitant Treatment".

Arms: arm 1: Tablet for oral use. Dose per administration: 2 tablets. 2 tablets twice daily (4 tablets per day). The tablets should be held in the mouth until complete dissolution, without meal. arm 2: Tablet for oral use. Dose per administration: 2 tablets. 2 tablets twice daily (4 tablets per day). The tablets should be held in the mouth until complete dissolution, without meal.
Interventions: intervention 1: Kolofort intervention 2: Placebo
Intervention descriptions: intervention 1: Oral administration intervention 2: Oral administration

Protocol documents:
Prot_SAP_000.pdf: 
 
 
 
 
 
 
 
 
 
 
 
 
 
Multicenter double-blind placebo-controlled randomized 
clinical trial of efficacy and safety of Kolofort in the 
treatment of patients with functional dyspepsia  
 
 
  
 
 
Phase IV 
 
 
 
 
 
 
 
 
 
 
Sponsor 
OOO «NPF «MATERIA MEDICA HOLDING» 
Protocol number 
MMH-KOL-003 
Version date: 
January 19, 2017 
ClinicalTrials.gov Id: 
NCT03119766 
 
 
 


Protocol No. MMH-KOL-003 
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Protocol Summary 
 
This document represents the protocol summary for the study on human subjects. The study will 
be carried out in accordance with ICH GCP, National Standard of the Russian Federation GOST 
52379-2005 "Good Clinical Practice", Helsinki Declaration of World Medical Association, 
relevant requirements of the regulatory authorities as well as the study procedures. 
Title of Study 
 
Multicenter double-blind placebo-controlled randomized clinical study of efficacy and safety of 
Kolofort in the treatment of patients with functional dyspepsia. 
Phase: IV 
Sponsor: OOO «NPF «MATERIA MEDICA HOLDING», Moscow, Russia 
Protocol No. MMH-KOL-003 
 
Objective of the study 
• To obtain additional data on efficacy and safety of Kolofort in the treatment of patients 
with functional dyspepsia.  
Endpoints  
Primary endpoint 
1. Changes in severity of functional dyspepsia (FD) symptoms on the GIS (Gastrointestinal 
symptom score) after 8 weeks from the start of the study therapy. 
Secondary endpoints 
1. Percentage of patients with a decrease in the severity of FD symptoms on the GIS scale after 8 
weeks from the start of the study therapy. 
5. Indicators of therapeutic and side effects values, efficacy index according to Clinical Global 
Impression (CGI-EI) scores after 8 weeks of treatment. 
                                                 
1 Lack of efficacy of the study therapy is defined as retention or progression of the symptoms of functional dyspepsia resulting in 
prescription of the products for FD therapy (proton pump inhibitors, prokinetics, spasmolytics). 
2. Change in the severity of the functional dyspepsia index NDI after 8 weeks from the start of the 
study therapy. 
3. Changes in the quality of life of patients on the SF-36 scale after 8 weeks from the start of study 
therapy. 
4. Percentage of patients terminating the study early due to lack of efficacy of the study therapy.1 


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Safety assessment  
 
• Occurrence and nature of adverse events (AE) during the treatment; AE severity, causal 
relationship to the study drug, and outcome. 
• Changes in vital signs. 
Study design  
A multicenter double-blind placebo-controlled randomized clinical trial was planned to evaluate 
the efficacy and safety of the study treatment. 
The study will enroll the patients of either gender aged 18-45 years old with verified diagnosis of 
"functional dyspepsia" according to Rome-IV criteria and intensity of dyspeptic symptoms ≥ 6 
according to GIS (Gastrointestinal symptom score). 
At the screening visit 1 (Visit 1, from -14 to -1 days), after signing patient information sheet 
(informed consent form) to participate in the clinical trial, complaints and medical history are 
collected, an objective examination is performed. The investigator evaluates intensity of dyspeptic 
symptoms according to GIS. The patient undergoes an abdomen ultrasound examination, 
esophagogastroduodenoscopy (EGDS)2, and diagnostic tests for Helicobacter pylori (H. pylori) 
infection. In case of the previous use of proton pump inhibitors, prokinetics, antispasmodics, 
antacids, bismuth drugs the investigator evaluates the possibility of canceling these drugs at least 
7 days before the patient is randomized. For women of reproductive age, a pregnancy test is 
performed. 
On the day of randomization (Visit 2, Day 0) collection of complaints and objective examination 
are carried out. The investigator evaluates the results of laboratory and instrumental research 
methods, the severity of dyspepsia symptoms on the GIS scale, registers changes in concomitant 
therapy. 
If a patient meets all inclusion criteria and does not have any exclusion criteria, he/she is 
randomized into one of two groups: Patients in Group 1 receive Kolofort for 8 weeks; Patients in 
Group 2 – Placebo on the study drug regimen. The patient completes the Nepean Dyspepsia Index 
(NDI) and Quality of Life (SF-36) questionnaires. 
The patient's treatment lasts for 8 weeks, during which 3 visits to the research center are carried 
out. At Visit 3 (Week 2 ± 3 days), complaints are collected, an objective examination of the patient 
is performed. The investigator monitors the prescribed and concomitant therapy, evaluates the 
safety of the therapy and the degree of adherence to treatment (compliance). At visit 4 (week 4±3 
                                                 
2 It is possible to use the results of an EGDS performed earlier in any medical facility, provided that the procedure was carried 
out no more than one month ago from the screening visit and that the patient has a corresponding video recording and conclusion. 


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days) and 5 (week 8±3 days) the investigator collects complaints, registers the physical 
examination data, monitors the prescribed and concomitant therapy, assesses the safety of the 
treatment and compliance. Questionnaires GIS, NDI are filled in. 
Additionally, at Visit 5 the patient fills out the SF-36 scale, the investigator fills out the Clinical 
Global Impression-Efficacy Index (CGI-EI). 
The patients will be allowed to take symptomatic therapy and medications for their co-morbidities 
during the study, except for the medicines listed in “Prohibited Concomitant Treatment”. 
Inclusion and exclusion criteria 
Inclusion criteria 
1. Patients of both genders aged 18-45 years old. 
2. Diagnosis of functional dyspepsia established according to Rome-IV criteria (2016). 
3. Severity of symptoms of dyspepsia ≥ 6 on the GIS scale. 
4. Negative test result for H. pylori infection3.  
5. Availability of signed patient information sheet and informed consent form for participation 
in the clinical trial. 
6. Patients who gave their consent to use reliable contraception during the study. 
Exclusion criteria 
1. Organic diseases of the gastrointestinal tract (gastroesophageal reflux disease (GERD), peptic 
ulcer, chronic pancreatitis, cholelithiasis, hepatosis, hepatitis, hepatic cirrhosis, etc.)4 
2. Verified diagnosis of other functional GI diseases, i.e. biliary dyskinesia, irritable bowel 
syndrome, etc. 
3. Discontinuation of proton pump inhibitors, prokinetics, antispasmodics, antacids, bismuth 
preparations less than 7 days before randomization. 
4. H. pylori eradication within 2 months prior to enrollment. 
5. Intestinal infection within 2 months prior to enrollment. 
6. History/suspicion of oncology of any location. 
7. Previously diagnosed cardiovascular diseases with functional class IV (according to the 
classification of the New-York Heart Association, 1964), hypothyroidism, diabetes mellitus, 
chronic renal disease С3-5, hepatic diseases with portal hypertension and/or signs of severe 
decompensation of function (> 6 points according to the Child-Pugh classification). 
                                                 
3 Biopsy express test and/or fecal antigen and/or breath test. 
4 Enrollment of subjects with morphological signs of chronic gastritis without signs of atrophy, metaplasia, hemorrhages, erosions 
and ulcerative lesions of mucosa is allowed. 


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8. Any other severe comorbidity that, in the opinion of the investigator, may affect patient 
participation in the clinical trial. 
9. Allergy/intolerance intolerances to any of the components of the study drugs. 
10. Pregnancy, breast-feeding. 
11. Patients who, from the investigator’s point of view, will not comply with the observation 
requirements of the study or adhere to study drug dosing regimens. 
12. Scheduled hospitalization during the study for any diagnostic or therapeutic procedures. 
13. Use of drugs or alcohol (more than 2 alcohol units daily), presence of mental diseases. 
14. Use of any medications specified in the “Prohibited Concomitant Treatment” within 1 month 
prior to inclusion in the study. 
15. Participation in other clinical trials in the previous 3 months. 
16. Patients who are related to any of the on-site research personnel directly involved in the 
conduct of the trial or are an immediate relative of the study investigator. ‘Immediate relative’ 
means husband, wife, parent, son, daughter, brother, or sister (regardless of whether they are 
natural or adopted). 
17. Patients who work for MATERIA MEDICA HOLDING (i.e. the company's employees, 
temporary contract workers, appointed officials responsible for carrying out the research or 
immediate relatives of the aforementioned). 
Criteria for Withdrawal or Termination 
1. Screening failure.  
2. Lack of study therapy efficacy5. 
3. Inability or refusal of patient to comply with the protocol requirements. 
4. Necessity in medicines prohibited within the study. 
5. An adverse event requiring cancellation of the study drug. 
6. Incorrect inclusion of ineligible patient. 
7. Pregnancy. 
8. Desire of patient to complete the study ahead of schedule due to any reason. 
9. Cases not specified by the protocol where the investigator decides that further participation 
may harm the patient. 
Number of subjects 
It is planned to enroll 370 subjects, among those at least 258 patients are expected to  complete all 
procedures of the protocol (129 patients each in the Kolofort and Placebo groups). 
                                                 
5 Lack of efficacy of the study therapy is defined as retention or progression of the symptoms of functional dyspepsia 
resulting in prescription of the products for FD therapy (proton pump inhibitors, prokinetics, antispasmodics). 


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Interim analysis 
A blinded interim analysis is planned in order to specify the study parameters As a result of an 
interim analysis, it is possible to change the sample size, but only upward.  
 
Treatment 
Group 1 
Name of the medicinal product: Kolofort 
Active ingredient: affinity purified antibodies to human TNFα – 0.006 g* 
Affinity purified antibodies to S100 brain-specific protein – 0.006 g* 
Affinity purified antibodies to histamine – 0,006 g* 
* applied onto lactose monohydrate as a mixture of three active aqueous-alcoholic dilutions of the substance diluted 
10012, 10030, 100200 times, respectively   
Excipients: lactose monohydrate, microcrystalline cellulose, magnesium stearate 
Method of administration: Tablet for oral use. Dose per administration: 2 tablets. 2 tablets twice 
daily (4 tablets per day). The tablets should be held in the mouth until complete dissolution, 
without meal.      
Dosage form: Tablets 
Description: Flat cylinder-shaped scored bevelled edge white to off-white tablets 
Storage conditions: Store protected from light at temperature below 25°С. Keep out of the reach 
of children. 
Group 2 
Name of the medicinal product: Placebo 
Active ingredient: NA 
Excipients: lactose monohydrate, microcrystalline cellulose, magnesium stearate  
Method of administration: Tablet for oral use. Dose per administration: 2 tablets. 2 tablets twice 
daily (4 tablets per day). The tablets should be held in the mouth until complete dissolution, 
without meal. 
Dosage form: Tablets. 
Description: Flat cylinder-shaped scored bevelled edge white to off-white tablets 
Storage conditions: Store protected from light at temperature below 25°С. Keep out of the reach 
of children. 
Treatment duration 
Kolofort/Placebo treatment duration is 8 weeks.  


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Observation period 
In total the patients will be monitored for 10 weeks (screening, randomization up to 2 weeks, 
treatment - 8 weeks).  
Symptomatic (Standard) treatment  
Patients are allowed to receive medications used to treat the underlying and concomitant diseases 
other than those representing exclusion criteria, except for the drugs specified in the section 
"Prohibited concomitant treatment". 
Prohibited concomitant therapy 
Within 1 month prior to enrollment and throughout the study (after signing information sheet 
(informed consent form) and screening onset) the patients are not allowed to use any of the 
following medications (ATC group is specified in brackets): 
1. Preparations used for conditions associated with acidity disorders (A02) 
2. Preparations for treatment of functional gastrointestinal disorders (A03)6 
3. Fenspiride (R03DX03) 
4. Antihistamines (R06) 
5. Steroidal and non-steroidal anti-inflammatory preparations (except for topical/inhalation 
corticosteroids) 
6. Anti-inflammatory and antirheumatic preparations (M01) and analgesics (N02) 
7. Antineoplastic preparations (L01) and antineoplastic hormones (L02) 
8. Immunostimulants (L03) 
9. Immunosuppressants (L04) 
10. Immune sera and immunoglobulins (J06) 
11. Vaccines (J07) 
12. Preparations of calcium, iron, zinc, potassium 
13. Antibacterials for systemic use (J01) 
14. Proproten, Tenoten, Brizantin, Divaza, Ergoferon, Arthrofon, Rengalin, Prohistam 
15. Homeopathic drug products 
16. Preparations the use of which the patient has previously had allergic reactions. 
Study design scheme 
 
                                                 
6 Administration of a spasmolytic agent drotaverine by the subject is allowed at the total dose of no more than 640 mg 
(equivalent to 16 drotaverine tablets 40 mg or 8 drotaverine tablets 80 mg) throughout the study period. 


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Schedule of study procedures  
Procedure/Visit 
 
Screening Randomization 
Treatment 
Administration of 
Kolofort/Placebo 
Visit 1 
Visit 2 
Visit 3 
Visit 4 
Visit 5 
From  
day –14  
to day -1  
Day 0 
Week 
2±3 
days 
Week 
 4 ± 3 
days 
Week  
8± 3 
days 
Informed consent 
+ 
 
 
 
 
Collection of complaints 
+ 
+ 
+ 
+ 
+ 
Medical history 
+ 
 
 
 
 
Concomitant conditions and diseases 
+ 
+ 
 
 
 
Physical examination 
+ 
+ 
+ 
+ 
+ 
Completing the GIS scale 
+ 
+ 
 
+ 
+ 
Abdominal ultrasound  
+ 
 
 
 
 
EGDS 
+ 
 
 
 
 
H. pylori test 
+ 
 
 
 
 
Concomitant therapy 
+ 
+ 
+ 
+ 
+ 
Necessity in concomitant therapy (for 
dyspepsia therapy) 
 
 
+ 
+ 
 
Pregnancy test 
+ 
 
 
 
 
Inclusion/exclusion criteria 
+ 
+ 
 
 
 
Randomization, prescription of the study 
therapy 
 
+ 
 
 
 
Completing the NDI Questionnaire 
 
+ 
 
+ 
+ 
Evaluation of quality of life according to 
SF-36 scale 
 
+ 
 
 
+ 
Study drug supply 
 
+ 
+ 
+ 
 
SCREENING 
8 weeks 
Visit 2 
(Day 0) 
Visit 5 
(Week 8±3 days) 
RANDOMIZATION 
 
Kolofort 2 tablet 2 times a day for 8 weeks 
Visit 4 
(Week 4±3 days) 
STUDY  
COMPLETION 
Visit 1 
(Day -14-1) 
 
Placebo 2 tablet 2 times a day for 8 weeks  
Visit 3 
(Week 2±3 days) 


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Study drug accountability and return, 
compliance assessment 
 
 
+ 
+ 
+ 
Clinical Global Impression assessment 
(CGI-EI) 
 
 
 
 
+ 
Evaluation of treatment safety 
 
+ 
+ 
+ 
+ 
 
Statistical Analyses 
Samples  
Total set includes all the patients who have signed ICF. This sample will consider all adverse 
events throughout the study.  
The sample including all subjects who received at least one dose of the study product to be used 
for analysis of the study treatment safety and tolerability (Safety population), as all adverse events 
identified after the study product administration will be recorded.  
Full Analysis Set This sample will consist of all enrolled subjects, except for those who met at 
least one of the following criteria:  
1) noncompliance with inclusion/non-inclusion criteria;  
2) patient has not taken any dose of the study drug; 
3) lack of any data on the patient after randomization.  
This is the most appropriate set for the Intention-to-treat principle, so it will be used in the 
Intention-to-treat analysis (ITT-analysis) of efficacy of the study therapy. 
Per Protocol set. This sample includes all patients who completed the therapy as per the study 
protocol, without any missing visits or major protocol deviations. This set will be used for Per 
Protocol analysis (PP analysis) of efficacy of the study therapy. 
Mean value of the total set for the relevant day will be used to fill lacking/missing data.  
Data treatment and all statistical calculations under the protocol will be carried out using SAS-9.4 
statistical software.7 
Evaluation of sample size 
The sample size was assessed in accordance with the following rules and assumptions: 
1. Statistical assumptions: 
1.1 the power of statistical tests "P=(1−β)" will be taken as being equal to 80% (the 
probability of correct rejection of the null hypothesis is 0.8) 
1.2 the probability of type 1 error 'α' is less  than 5% (the probability of false acceptance of 
the alternative hypothesis is less than 0.05) 
1.3 statistical criteria of intergroup comparisons used are two-sided 
                                                 
7 Holder of license: ООО "NPF "MATERIA MEDICA HOLDING", No. 70100045. 


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1.4 calculation of sample size is based on the assumptions on the expected effect declared in 
the primary efficacy criterion of the protocol 
1.5 ratio between Kolofort and Placebo sample sizes is 1:1 (1 Kolofort subject per 1 Placebo 
subject) 
1.6 statistical null and alternative hypotheses will be as follows: 
H0: Δµк=Δµп 
Ha: Δµк≠Δµп , 
where ΔµK - mean reduction (baseline – final score) total GIS score in Kolofort group  
           Δµп – mean reduction (baseline - final score) of total GIS score in Placebo group 
1.7 calculation of sample size will be made using the following formula:  
where n1 and n2 are sample sizes in study drug and placebo groups, respectively 
ε – expected difference in mean reduction of total score between Kolofort and 
Placebo groups 
σ – standard deviation of reduction in total score (assessed based on  
bibliographic data) 
zα/2 – tabular value of two-sided z-test for α 
zβ – tabular value of one-sided z-test for β 
1.8 final sample size will be determined using the formula: 
NT = NPP / (1 − Кв),  
where  NT – final sample size;  
NPP – result of calculation in cl. 1.7, i.e. scheduled number of patients 
completing the study per protocol  
Кв – withdrawal coefficient. 
2. Assumptions on expected clinical study effects: 
2.1 The difference between reduction ("total score at baseline visit" – "total score at final 
visit") in total GIS score in Kolofort and Placebo groups will be at least 15% from 
baseline value (d=0.15, calculated as the difference between group values of GIS 
reduction attributed to mean starting value). 
2.2 The values of population variance of reduction in total GIS score and baseline mean total 
score were evaluated based on bibliographic review as follows:  
ε=d*(E –z(1- α/2)*S0/n0,5) is the lower limit of confidence interval for mean total GIS score 
for placebo group in the relevant study (conservative estimate) 


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d=0.15 – claimed effect size 
E=12 – mean starting GIS score based on the source cited 
S0=4.7 – sample standard deviation at the first visit in Placebo group based on the source 
cited 
ϭ=S*((n-1)/χ2α/2,(n-1))0,5 is the upper limit of 95% confidence interval for population 
standard deviation of total score reduction (conservative estimate) 
where S is sample standard deviation for the reduction in total GIST score between the 
first and last visits based on the source cited 
S=4.3 
n=157  
χ2α/2,(n-1) is the corresponding quintile of chi-square distribution 
χ20.025, 156=123.3 
therefore, effect size and standard deviation estimates are equal to 
ε=0.15*(12-1.96*4.7/12.52) = 1.69 
ϭ=4.3*(156/123.3)0.5 = 4.84. 
Therefore, the sample size has been found to be 129 patients in each of the groups (Kolofort 
and Placebo) to estimate superiority of the study drug over placebo. 
Taking into account that potential withdrawal of 30% patients during the study for various 
reasons, at least 370 patients in each group will be required to sign informed consent, with 185 
patients per group. 
Statistical criteria  
All statistical calculations will be made using two groups of statistical criteria:  
• 
parametric - to evaluate continuous and interval random values;  
• 
nonparametric – to obtain: 
 evaluations of equality/inequality of proportions of the subjects upon their comparison 
for various visits, during analysis of frequencies of the features compared 
 evaluation of continuous and interval random values in case of non-compliance with 
normal random distribution. 
 
 
Parametric criteria 
Prior to analysis using parametric statistics, data samples under comparison will be tested for 
normality (the Kolmogorov-Smirnov test).  
The following parameters and approaches are to be used: 


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1. To evaluate differences in continuous variables in one group at two different visits - Student’s 
test for paired samples. 
2. To evaluate the over time dynamics of the compared values – analysis of variance (ANOVA) 
or covariance (ANCOVA) in the modification with repeated measures.  
3. In case of multiple comparisons of the groups various corrections for multiplicity will be used, 
e.g. Dunnett, Tukey, Scheffe, Holm adapted test, etc.  
4. In case of abnormal data distribution, approaches with the Generalized Linear Models and / 
or Mixed Linear Models will be used.  
5. Selection of the type of distribution, specification of factor and covariance structures of the 
model will be made using fit-statistics such as AIC (Akaike information criterion). 
The following SAS software procedures are supposed to be applied to the above listed tests and 
techniques:  
• UNIVARIATE: normality check of the distributions under comparison; 
• CORR, MEANS - calculation of descriptive statistics 
• TTEST – Student’s test with all modifications 
• GLM – generalized linear models for analysis of time changes (ANOVA, ANCOVA) 
• GENMOD – generalized linear models 
• MIXED – mixed linear models. 
Non-parametric criteria 
Below are the main types of possible comparisons with relevant criteria: 
1. To evaluate the over time dynamics in the parameters compared – Friedman test, 
nonparametric analogue of repeated measures analysis of variance. 
2. For frequency analysis of contingency tables 2×2 – χ2 (if the frequency under comparison > 
5) or exact Fisher’s test (if one of the frequencies under comparison < 5).  
3. Cochran-Mantel-Haenszel test (modified χ2 test for multiple comparisons) – to perform 
frequency analysis based on independent strata.  
4. For frequency analysis of data on presence/absence of an event or outcome during repeated 
measurements (contingency tables with dependent strata) – survival analysis.  
To perform the above-mentioned nonparametric statistical analysis the following SAS 
procedures are to be used:  
• FREQ – Friedman test, χ2 test and/or exact Fisher’s test; Cochran-Mantel-Haenszel test 
• LIFETEST – survival analysis 
• NPAR1WAY - Mann-Whitney test. 


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Safety parameters  
Adverse events recorded during the study will be classified by severity, seriousness and analyzed 
if there is a relationship with the study drug. 
Data presentation 
Descriptive statistics will be provided for each study continuous/interval variable. Numerical data 
will be presented by mean, standard deviation, min and max values. Outliers will be analyzed 
individually. The data will be grouped by visits. The categorical variables will be presented as 
frequency tables by visits.