Conditions: Acne Vulgaris
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 1125
Healthy volunteers: no

Brief summary:
This is a randomized, double-blind, multiple-site, placebo-controlled, parallel-group study, designed to compare the efficacy and safety of generic Clindamycin 1% gel (Akorn), and the marketed product Clindamycin 1% gel (Greenstone LLC) in the treatment of acne vulgaris.

Detailed description:

Arms:
arm 1: None arm 2: None arm 3: None

Interventions: intervention 1: Clindamycin 1% Gel intervention 2: Placebo
Intervention descriptions: intervention 1: Topical gel intervention 2: Topical Placebo gel

Protocol document:
Prot_SAP_002.pdf: 
 
Akorn Pharmaceuticals - CLMG 1711 – Clinical Study Report 
 
 
 
 
1 
CLINDAMYCIN 1% GEL 
PROTOCOL: CLMG 1711 
A Multi-Center, Double-Blind, Randomized, Vehicle-Controlled, Parallel-Group Study 
Comparing Clindamycin 1% Gel to Clindamycin 1% Gel (Greenstone LLC) and Both 
Active Treatments to a Vehicle Control in the Treatment of Acne Vulgaris 
CLINICAL STUDY REPORT 
1 
TITLE PAGE 
 
Indication studied 
Acne Vulgaris 
Developmental phase of study 
Bioequivalence [BE] Study with Clinical Endpoints 
Study initiation date  
26 April 2018 
Study completion date  
23 October 2018 
Sponsor 
Akorn Pharmaceuticals 
Principal investigators 
Sites 1, 2, 3: Julian Melamed, MD 
Site 4: Hector Wiltz, MD, CPI 
Site 5: Francisco Flores, MD 
Site 6: Ines Mendez-Moguel, MD 
Site 7: Julitta Bradley, MD 
Sites 8, 9: Reginald Williams, MD 
Site 10: Shahram Jacobs, MD 
Site 11: Tooraj Raoof, MD 
Site 12: Zoe Diana Draelos, MD 
Sponsor signatory 
Rob Adamczyk, PharmD, RPh 
Director, Clinical Development 
Akorn Pharmaceuticals 
Release date of report 
23 Dec 2018 
This study was conducted in compliance with International Council for Harmonisation (ICH) 
harmonized tripartite guideline E6 (R2): Good Clinical Practice (GCP), including the archiving of 
essential documents. 
This report is the confidential information of Akorn Pharmaceuticals.  This report may not be disclosed to 
parties not associated with the clinical investigation or used for any purpose without the prior written 
consent of Akorn Pharmaceuticals. 
 


 
Akorn Pharmaceuticals - CLMG 1711 – Clinical Study Report 
 
 
 
 
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2 
SYNOPSIS 
 
Name of the Sponsor:  
Akorn Pharmaceuticals 
Individual Study Table Referring 
to part of the dossier 
 
Volume 
 
Page 
 
(For national Authority use 
only) 
Name of the Finished Product: 
Clindamycin 1% Gel 
Name of Active Ingredient: 
Clindamycin 1%  
Title of Study 
A Multi-Center, Double-Blind, Randomized, Vehicle- Controlled, Parallel-Group Study Comparing 
Clindamycin 1% Gel to Clindamycin 1% Gel (Greenstone LLC) and Both Active Treatments to a 
Vehicle Control in the Treatment of Acne Vulgaris 
Investigators and Study Centers 
The study was conducted at 12 study sites in the United States and Belize.  The list of sites and 
investigators is as follows: 
Site 1: Julian Melamed, MD 
 
MOORE Clinical Research, Inc., 1104 Kyle Wood Lane, Brandon, FL 33511 
Site 2: Julian Melamed, MD 
 
MOORE Clinical Research, Inc., 4257 W. Kennedy Blvd Tampa, FL 33609 
Site 3: Julian Melamed, MD 
 
MOORE Clinical Research, Inc., 16622 N. Dale Mabry Highway Tampa, FL 33618 
Site 4: Hector Wiltz, MD, CPI 
 
FXM Research Corp., 11760 Bird Road, Suite 452, Miami, FL 33175 
Site 5 Francisco Flores, MD 
 
FXM Research Miramar, 14601 SW 29th Street, Suite 208, Miramar, FL 33027 
Site 6: Ines Mendez-Moguel, MD 
 
FXM Research International, 1225 Blue Marlin Blvd., Belize City, Belize, Central America 
Site 7: Julitta Bradley, MD 
 
FXM Research International, 2604 Mercy Lane, Belize City, Belize, Central America 
Site 8: Reginald Williams, MD 
 
3A Research LLC, West, 125 W. Hague Rd., Suite 220, El Paso, TX  79902 
Site 9: Reginald Williams, MD 
 
3A Research LLC, East, 10400 Vista Del Sol, Suite 203, El Paso, TX 79925 
Site 10: Shahram Jacobs, MD 
 
Unison Center for Clinical Trials, 4955 Van Nuys Blvd Ste 200, Sherman Oaks, CA 91403 
Site 11: Tooraj Raoof, MD 
 
Tooraj Raoof, MD Inc. / Encino Research Center 16133 Ventura Blvd. Suite 340/380 Encino, 
 
CA 91436 
Site 12: Zoe Diana Draelos, MD 
 
Dermatology Consulting Services, PLLC 2444 North Main Street, High Point, NC 27262 


 
Akorn Pharmaceuticals - CLMG 1711 – Clinical Study Report 
 
 
 
 
3 
Name of the Sponsor:  
Akorn Pharmaceuticals 
Individual Study Table Referring 
to part of the dossier 
 
Volume 
 
Page 
 
(For national Authority use 
only) 
Name of the Finished Product: 
Clindamycin 1% Gel 
Name of Active Ingredient: 
Clindamycin 1%  
Publications 
None 
Study Period 
Start Date (first subject enrolment):  26 April 2018 
End Date (last study visit):  23 October 2018 
Phase of Development  
Bioequivalence [BE] Study with Clinical 
Endpoints 
Objectives 
 
To evaluate the therapeutic equivalence and safety of Clindamycin Phosphate Topical Gel, 1% 
(Akorn Pharmaceuticals) and Clindamycin Phosphate Topical Gel, 1% (Greenstone LLC) in 
the treatment of acne vulgaris. 
 
To demonstrate the superiority of the efficacy of the Test and Reference products over that of 
the Placebo control in the treatment of acne vulgaris.  
Methodology 
Clindamycin Phosphate Topical Gel, 1% (CleocinT®, Greenstone, LLC) for topical use was approved 
by the FDA in 1987 as a prescription product for the safe and effective topical therapy for acne 
vulgaris.  Greenstone, LLC is the authorized generic manufacturer of CleocinT®.  Akorn 
Pharmaceuticals has developed a new generic formulation of Clindamycin Phosphate Topical Gel, 1%.  
The current study was designed to evaluate the safety and efficacy of this new generic formulation. 
Subjects in this multi-center, double-blind, placebo-controlled, parallel group study, were randomly 
assigned in a 2:2:1 ratio to treatment with the Test product, Clindamycin Phosphate Topical Gel, 1% 
(Akorn Pharmaceuticals), the Reference product, Clindamycin Phosphate Topical Gel, 1% 
(Greenstone LLC) or Placebo (Vehicle gel of the Test product). 
The study treatment consisted of a topical self-application of the investigational product (IP) to the 
affected areas of the face twice daily, in the morning and evening, for 84 consecutive days (12 weeks).  
A thin layer of the IP, approximately a pea-sized amount was applied around the same time every day, 
after the subject’s face had been washed with a non-medicated cleanser and warm water.  For the 
purposes of this study, the face was considered to start at the hairline and end at the jaw line and 
excluded the eyes, lips, and all mucous membranes.  Subjects were required to use diaries to document 
the date of study treatments, any missed treatments, and the occurrence of all adverse events (AEs).   
Scheduled study visits included: 
 Visit 1: Screening / Baseline Visit (Day 0);  
 Visit 2: First Interim Visit (Week 4 / Day 28 ± 4 days);  
 Visit 3: Second Interim Visit (Week 8 / Day 56 ± 4 days); and  
 Visit 4: End of Treatment Visit (Week 12 / Day 84 ± 4 days).  


 
Akorn Pharmaceuticals - CLMG 1711 – Clinical Study Report 
 
 
 
 
4 
Name of the Sponsor:  
Akorn Pharmaceuticals 
Individual Study Table Referring 
to part of the dossier 
 
Volume 
 
Page 
 
(For national Authority use 
only) 
Name of the Finished Product: 
Clindamycin 1% Gel 
Name of Active Ingredient: 
Clindamycin 1%  
After informed consent process and completion of all screening assessments, a baseline acne grade was 
assigned to the subject using the Investigator’s Global Assessment (IGA) and a baseline lesion count 
was performed.  Subjects were admitted into the study if they had a clinical diagnosis of acne vulgaris 
of severity Grades 2, 3, or 4 at baseline and if they met inclusion/exclusion criteria.  The blinded IP 
was dispensed to those subjects who met all of the inclusion and exclusion criteria.  The first 
application of IP was performed by the subject at home. 
During each subsequent study visits, evaluations of efficacy (i.e., lesion counts and IGA) were 
conducted.  Safety was assessed by monitoring AEs and documenting signs and/or symptoms of local 
irritation. 
Number of Subjects (Planned and Analyzed) 
Approximately, 1125 subjects were planned to be enrolled and randomly assigned in a 2:2:1 ratio 
(Test 450: Reference 450: Vehicle 225) to obtain approximately 1070 (428:428:214) subjects in the 
modified intent-to-treat (mITT) population and 855 (342:342:171) subjects in the Per-Protocol (PP) 
population.  
In the study, 1125 subjects were enrolled and randomized; 450 subjects to Test drug group, 
450 subjects to Reference drug group, and 225 subjects in the Vehicle group.  Overall, all of the 
1125 subjects qualified for the Safety population, 1095 (97.3%) subjects qualified for the mITT 
population, and 988 (87.8%) subjects for the PP population. 
Diagnosis and Criteria for Inclusion 
Subjects were eligible for the study only if they met all of the following criteria: 
1. Healthy male or non-pregnant female aged ≥12 and ≤40 years with a clinical diagnosis of acne 
vulgaris. 
2. 18 years or older (up to the age of 40) had to provide an institutional review board (IRB)-approved 
written informed consent.  Subjects who were 12 to 17 years of age, inclusive had to provide IRB 
approved written assent; this written assent was to be accompanied by an IRB approved written 
informed consent from the subject’s legally acceptable representative (i.e., parent or guardian).  In 
addition, all subjects or their legally acceptable representatives (i.e., parent or guardian) had to sign 
a Health Insurance Portability and Accountability Act (HIPAA) authorization.  
3. Had a minimum ≥25 non-inflammatory lesions (i.e., open and closed comedones) and 
≥20 inflammatory lesions (i.e., papules and pustules) and ≤2 nodulocystic lesions (i.e., nodules and 
cysts), at baseline on the face.  For the purposes of study treatment and evaluation, these lesions 
were limited to the facial treatment area.  All lesions were counted, including those present on the 
nose.  Subjects who had acne lesions on other areas of the body were excluded from the count, 
treatment, and the IGA evaluation (e.g., on the back, chest and arms). 


 
Akorn Pharmaceuticals - CLMG 1711 – Clinical Study Report 
 
 
 
 
5 
Name of the Sponsor:  
Akorn Pharmaceuticals 
Individual Study Table Referring 
to part of the dossier 
 
Volume 
 
Page 
 
(For national Authority use 
only) 
Name of the Finished Product: 
Clindamycin 1% Gel 
Name of Active Ingredient: 
Clindamycin 1%  
4. Had a definite clinical diagnosis of acne vulgaris severity Grade 2, 3, or 4 as per the IGA as 
follows: 
Grade  
Description  
0  
Clear skin with no inflammatory or non-inflammatory lesions  
1  
Almost clear; rare non-inflammatory lesions with no more than one small inflammatory 
lesion  
2  
Mild severity; greater than Grade 1; some non-inflammatory lesions with no more than a 
few inflammatory lesions (papules/pustules only, no nodular lesions)  
3  
Moderate severity; greater than Grade 2; up to many non-inflammatory lesions and may 
have some inflammatory lesions, but no more than one small nodular lesion  
4*  
Severe; greater than Grade 3; up to many non-inflammatory lesions and may have some 
inflammatory lesions, but no more than a few nodular lesions  
*The electronic case report form (eCRF) for acne studies allowed for reporting of lesion worsening 
beyond Grade 4 with treatment.  Investigators were recommended to not enroll acne vulgaris subjects 
with nodulocystic acne.  Subjects who worsened beyond Grade 4 were described in the safety evaluation. 
Note: Nodulocystic lesions were not included in the inflammatory lesion count.  Counts of nodules and 
cysts were reported separately and not included in the inflammatory or non-inflammatory lesion counts. 
5. Refrained from using all other topical acne medications or antibiotics for acne vulgaris during the 
12-week treatment period for acne vulgaris, other than the IP.  
6. Female subjects of childbearing potential (excluding women who were premenarchal, surgically 
sterilized, or postmenopausal for at least 1 year), in addition to having a negative urine pregnancy 
test, had to be willing to use an acceptable form of birth control during the study from the day of 
the first dose administration to 30 days after the last administration of study drug.  For the purpose 
of this study, the following were considered acceptable methods of birth control: oral or injectable 
contraceptives, contraceptive patches, Depo-Provera® (stabilized for at least 3 months), NuvaRing® 
(vaginal contraceptive), Implanon™ (contraceptive implant), double barrier methods (e.g., condom 
and spermicide), intrauterine device, or abstinence with a second acceptable method of birth 
control if the subject became sexually active.  Subjects on hormonal contraception had to be 
stabilized on the same type for at least three months prior to enrollment in the study and must not 
change the method during the study.  A sterile sexual partner was not considered an adequate form 
of birth control. 
7. All male subjects had to agree to use accepted methods of birth control with their partners, from the 
day of the first dose administration to 30 days after the last administration of study drug.  
Abstinence was an acceptable method of birth control.  Female partners had to use an acceptable 
method of birth control as described above (# 6). 
8. Were willing and able to understand and comply with the requirements of the protocol, including 
attendance at the required study visits. 


 
Akorn Pharmaceuticals - CLMG 1711 – Clinical Study Report 
 
 
 
 
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Name of the Sponsor:  
Akorn Pharmaceuticals 
Individual Study Table Referring 
to part of the dossier 
 
Volume 
 
Page 
 
(For national Authority use 
only) 
Name of the Finished Product: 
Clindamycin 1% Gel 
Name of Active Ingredient: 
Clindamycin 1%  
9. Had to be in good health and free from any clinically significant disease, including but not limited 
to, conditions that could interfere with the evaluation of acne vulgaris.  Such conditions included, 
but were not limited to the following: autoimmune disease; rosacea; seborrheic dermatitis; perioral 
dermatitis; corticosteroid-induced acne; carcinoid syndrome; mastocytosis; acneiform eruptions 
caused by make-up, medication, facial psoriasis and facial eczema. 
10. Subjects who used make-up had to use the same brands/types of make-up for a minimum period of 
14 days prior to study entry and had to agree to not change make-up brand/type or frequency of use 
throughout the study. 
Test Product, Dose, Mode of Administration, Batch No. 
Test Product:  Clindamycin Phosphate Topical Gel, 1% (Akorn Pharmaceuticals)  
Dose and Mode of Administration:  A thin layer of the Test drug, approximately a pea-sized amount 
was self-applied to the face, twice a day (in the morning and evening, around the same time every day) 
for 84 consecutive days (12 weeks), after the subject’s face had been washed with a non-medicated 
cleanser and warm water.  For the purposes of this study, the face was considered to start at the hairline 
and end at the jaw line and excluded the eyes, the lips, and all mucous membranes.  
Lot Number:  358539, Manufactured Date: 19 June 2017, Expiry: June 2019 
Reference therapy, Dose, Mode of Administration, Batch No. 
Reference Product:  Clindamycin Phosphate Topical Gel, 1% (Greenstone LLC) 
Dose and Mode of Administration:  A thin layer of the Reference drug, approximately a pea-sized 
amount was self-applied to the face, twice a day (in the morning and evening, around the same time 
every day) for 84 consecutive days (12 weeks), after the subject’s face had been washed with a non-
medicated cleanser and warm water.  For the purposes of this study, the face was considered to start at 
the hairline and end at the jaw line and excluded the eyes, the lips, and all mucous membranes. 
Lot Number:  T27338, Expiry: June 2019 
Placebo (Vehicle) therapy, Dose, Mode of Administration, Batch No. 
Placebo Control:  Vehicle gel of the Test product (Akorn Pharmaceuticals) 
Dose and Mode of Administration:  A thin layer of the Vehicle, approximately a pea-sized amount was 
self-applied to the face, twice a day (in the morning and evening, around the same time every day) for 
84  consecutive days (12 weeks), after the subject’s face had been washed with a non-medicated 
cleanser and warm water.  For the purposes of this study, the face was considered to start at the hairline 
and end at the jaw line and excluded the eyes, the lips, and all mucous membranes. 
Lot Number:  358075P, Manufactured Date: May 2017, Expiry: May 2019 


 
Akorn Pharmaceuticals - CLMG 1711 – Clinical Study Report 
 
 
 
 
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Name of the Sponsor:  
Akorn Pharmaceuticals 
Individual Study Table Referring 
to part of the dossier 
 
Volume 
 
Page 
 
(For national Authority use 
only) 
Name of the Finished Product: 
Clindamycin 1% Gel 
Name of Active Ingredient: 
Clindamycin 1%  
Duration of Treatment 
The study treatment period was of 84 days (12 weeks).  A 9-day window (i.e., ± 4 days) was 
considered acceptable for each scheduled visit following the baseline visit.  The study duration was 
expected at 6 months. 
Criteria for Evaluation 
Co-primary Efficacy Endpoints: 
 The co-primary efficacy endpoints were percent change from baseline to Week 12 in the 
inflammatory (papules and pustules) and in the non-inflammatory (open and closed comedones) 
lesion counts. 
Secondary Efficacy Endpoint: 
 The secondary endpoint was the IGA score, expressed in terms of treatment success or failure.  
Success was defined as an IGA score at Week 12 that was at least 2 grades less than the baseline 
assessment.  Failure was defined as an IGA score that was the same, higher or one grade lower than 
the baseline assessment.   
Safety Evaluation: 
 Adverse events throughout. 
 Vital signs (blood pressure, pulse, respiratory rate, and body temperature) at Visit 1. 
 Brief physical examination at Visit 1. 
 Concomitant medications and non-drug therapies at baseline and at each subsequent study visit. 
 Signs/symptoms of local irritation (application site reactions such as erythema, dryness, 
burning/stinging, erosion, edema, pain, and itching were recorded at each study visit to allow a 
comparison between treatment groups) 
Statistical Methods 
All statistical analyses were conducted using SAS Version 9.4 and all data were listed by treatment 
group, subject, and visit/time point where appropriate. 
Continuous data were described using descriptive statistics (i.e., number of subjects, mean, standard 
deviation, median, minimum, and maximum).  Categorical data were described using count and 
percentages.  All statistical tests were two-sided at a significance level of α = 0.05, unless otherwise 
indicated.   
The analysis populations used in this study were: 
 Safety Population: The Safety Population consisted of all subjects who were randomized into the 
study and received at least one dose of IP according to subject's diary.  If it was unknown whether 


 
Akorn Pharmaceuticals - CLMG 1711 – Clinical Study Report 
 
 
 
 
8 
Name of the Sponsor:  
Akorn Pharmaceuticals 
Individual Study Table Referring 
to part of the dossier 
 
Volume 
 
Page 
 
(For national Authority use 
only) 
Name of the Finished Product: 
Clindamycin 1% Gel 
Name of Active Ingredient: 
Clindamycin 1%  
the subject received any IP, that subject was also included in the safety population.  The Safety 
Population was the primary population for the safety analysis. 
 Modified Intent-to-Treat (mITT) Population: The mITT set consisted of all Safety population 
subjects who met all inclusion/exclusion criteria and had at least one post-baseline efficacy 
evaluation.  This population was considered as definitive for testing superiority and supportive for 
testing bioequivalence. 
 Per-protocol (PP) Population: The PP population included all mITT subjects who applied 75% to 
125% of the scheduled applications of the assigned product; did not miss applications for more 
than three consecutive days; returned for the Week 12 evaluation within the visit window or 
discontinued prematurely from the study due to lack of treatment effect after completing minimum 
four weeks of treatment or; and had no protocol deviations that affected proper administration of 
the treatment, or accurate evaluation of its effectiveness.  This population was considered as 
definitive for testing of bioequivalence and supportive for testing superiority. 
Determination of Sample Size 
The sample size for this protocol was based on published data on clindamycin phosphate topical gel, 
1% and Cleocin T® Summary Basis of Approval and Label (approved January 2016).   
Approximately, 1125 subjects were to be enrolled and randomly assigned in a 2:2:1 ratio (Test 450: 
Reference 450: Vehicle 225) to obtain approximately 1070 (428:428:214) subjects in the mITT 
population and 855 (342:342:171) subjects in the PP population.  This sample size was to provide at 
least a 90% probability of showing that the 90% confidence intervals (CIs) on the Test/Reference ratio 
of mean percent reduction from baseline, for both lesion types, were contained within the interval 
0.800 to 1.250 in the PP population and at the same time demonstrating that the Test and Reference 
products were statistically superior (p<0.05) to the Vehicle in the mITT population. 
Hypothesis of Bioequivalence (Co-primary Endpoints) 
A two-sided, 90% CI on the Test/Reference ratio for mean percent change from baseline to Week 12 in 
lesion count was constructed using Fieller’s method.  The estimates of treatment means and standard 
errors were obtained from a two-way analysis of variance (ANOVA) of the Test and Reference results, 
using a statistical model containing terms for treatment and center.  If the assumptions of normal error 
and homogeneity of variance were not satisfied, a ranked-based, nonparametric approach was to be 
used to obtain the CI.  
Bioequivalence was established if the 90% CIs for the ratio of Test/Reference means, for both lesion 
types, were contained within the interval [0.80, 1.25] for the PP population. 


 
Akorn Pharmaceuticals - CLMG 1711 – Clinical Study Report 
 
 
 
 
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Hypothesis of Bioequivalence (Secondary Endpoint) 
A two-sided, continuity-corrected, 90% CI on the test-to-reference difference for the proportion of 
subjects with treatment success on the IGA was constructed.  Bioequivalence was established if the 
90% CI for the difference was contained within the interval [-0.20, +0.20] for the PP population. 
Hypothesis of Superiority (Co-primary Endpoints) 
The null hypothesis to be tested was that there was no difference in the mean percent change from 
baseline to Week 12, in each lesion type, between the active treatment and the Vehicle treatment.  The 
hypothesis testing was performed separately for the Test treatment versus the Vehicle treatment and for 
the Reference treatment versus the Vehicle treatment using ANOVA under assumption of normal error 
and homogeneity of variance.  If the assumptions of normal error and homogeneity of variance were 
not satisfied, a ranked-based, nonparametric method was to be used. 
Superiority was established if the mean percent change from baseline for each active treatment, for 
each lesion type, was less than (i.e., more negative), and statistically different from (p<0.05), that for 
the Vehicle (placebo) using the mITT study population and last observation carried forward (LOCF). 
Hypothesis of Superiority (Secondary Endpoint) 
The null hypothesis to be tested was that there was no difference in the proportions of subjects with 
treatment success on the IGA.  The evaluation of superiority was conducted separately for the Test 
treatment versus the Vehicle treatment and for the Reference treatment versus the Vehicle treatment.  
The analysis was conducted using two-sided, α = 0.05, Cochran-Mantel-Haenszel (CMH) exact test 
stratified by study center.  Superiority was established if the success proportion for each active 
treatment was greater than, and statistically different from (p<0.05), that of the Vehicle (placebo). 
Safety Analyses 
Incidence of all AEs reported during the study were summarized using the Medical Dictionary for 
Regulatory Activities (MedDRA, Version 20.1) by treatment group, body system, severity, and 
relationship to study drug.  A summary of the frequencies (number and percentage) of subjects with 
treatment-emergent AEs (TEAEs), serious TEAEs, TEAEs leading to treatment discontinuation and for 
TEAEs leading to death were presented by system organ class and preferred term.  Additionally, 
number and percentage of subjects with TEAE were summarized by preferred term only in the 
descending order of frequency.  Proportion of subjects experiencing TEAEs that occurred in at least 
1% of subjects in either Test or Reference groups was compared between these groups using Fisher’s 
exact test.   
Results of physical examination findings, vital signs, and signs/symptoms of local irritation were listed.  
Number and percentage of subjects with each severity were presented by visit and symptom of local 
irritation. 
Date of the Report: 23 Dec 2018 


 
Akorn Pharmaceuticals - CLMG 1711 – Clinical Study Report 
 
 
 
 
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