FULL DETAILS (Read-only)  -> Click Here to Create PDF for Current Dataset of Trial
CTRI Number  CTRI/2025/09/094075 [Registered on: 01/09/2025] Trial Registered Prospectively
Last Modified On: 14/08/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Multiple Arm Trial 
Public Title of Study   comparing different dosing schedules of oral isotretinoin for treatment of acne in 45 participants  
Scientific Title of Study   Comparative therapeutic efficacy of different dosage regimens of oral isotretinoin in acne vulgaris 
Trial Acronym  nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Priya Dagar 
Designation  Postgraduate- Junior Resident 
Affiliation  Government Medical College and Hospital 
Address  Department of Dermatology, Venereology and Leprosy Level 5 D block Government Medical College and Hospital Sector 32, Chandigarh
Sector 32 Chandigarh
Chandigarh
CHANDIGARH
160030
India 
Phone  9915918149  
Fax    
Email  priyadagar2000@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Prof Gurvinder Pal Thami 
Designation  Professor and Head 
Affiliation  Government Medical College and Hospital 
Address  Department of Dermatology, Venereology & Leprosy Level 5 D block Government Medical College and Hospital, Sector-32, Chandigarh.
Sector 32 Chandigarh
Chandigarh
CHANDIGARH
160030
India 
Phone  9646121544  
Fax    
Email  thamigp@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Dr Priya Dagar 
Designation  Postgraduate- Junior Resident 
Affiliation  Government Medical College and Hospital 
Address  Department of Dermatology, Venereology and Leprosy Level 5 D block Government Medical College and Hospital sector 32 Chandigarh

Chandigarh
CHANDIGARH
160030
India 
Phone  9915918149  
Fax    
Email  priyadagar2000@gmail.com  
 
Source of Monetary or Material Support  
Government Medical College and Hospital Sector 32 Chandigarh India 160030 
 
Primary Sponsor  
Name  Government Medical College and Hospital 
Address  Sector 32 Chandigarh India 160030 
Type of Sponsor  Government medical college 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Priya Dagar  Government Medical College and Hospital Chandigarh  Department of Dermatology Venereology and Leprosy
Chandigarh
CHANDIGARH 
9915918149

priyadagar2000@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITTEE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: L700||Acne vulgaris,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Dose of 20 mg on alternate days  Group B consisting of 15 patients shall receive the dose of 20 mg on alternate days 
Intervention  dose of 20mg daily  All patients will receive oral isotretinoin in the dosage of 0.5mg/kg to a maximum of 20 mg as per allocation to the study groups for a fixed period of 12 weeks. There will be three groups in the study. Group A consisting of 15 patients will receive the dose of 20 mg daily  
Comparator Agent  The dose of 20 mg daily for a week followed by drug free period of one week  Group C consisting of 15 patients shall receive the dose of 20 mg daily for a week followed by drug free period of one week (intermittent therapy ) 
 
Inclusion Criteria  
Age From  16.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  All consecutive patients of acne vulgaris (Grade 2 and above) involving the face who have
not received any treatment in the past four weeks. 
 
ExclusionCriteria 
Details  1. Pregnant females / females planning pregnancy within the next 9 months / breastfeedingfemales.
2. Immunosuppressed individuals.
3. Known hypersensitivity to synthetic / natural vitamin A.
4. Any systemic illness lasting more than three weeks.
5. Deranged liver function tests / lipid profile.
6. Reproductive age group females not willing to practice methods of contraception as
advised. 
 
Method of Generating Random Sequence   Random Number Table 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
To compare the percentage reduction in total acne lesion count at 12 weeks among the
three treatment groups. 
0,4,8,12 weeks 
 
Secondary Outcome  
Outcome  TimePoints 
To compare the adverse effects associated with each dosage regimen of oral
isotretinoin. 
0,4,8,12 weeks 
 
Target Sample Size   Total Sample Size="45"
Sample Size from India="45" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 4 
Date of First Enrollment (India)   01/09/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  

This study aims to compare the therapeutic efficacy of different dosage regimens of oral

isotretinoin in acne vulgaris. A total of 45 patients who fulfil the inclusion criteria and do not

meet any of the exclusion criteria will be randomly allocated into three groups of 15 patients

each using a random table method and prescribed different regimens of isotretinoin as per

allocation to the study groups. In each group, grading and scoring of acne will be done as per

Indian Acne Alliance guidelines. Patient will undergo liver function test and lipid profile test at

the first visit and at week 8. Patients must follow advised precautions including dual methods of

contraception for female patients of reproductive age group. UPT to be done twice at the start of

treatment and monthly thereafter till one month post completion of therapy in case of sexually

active female patients. Patients will receive treatment for 12 weeks. Follow up will be done at

four weekly intervals for which patients have to come to GMCH, Chandigarh. Assessment

including those of side effects will be done at each visit. Response to the therapy shall be

calculated on the basis of reduction in the total acne lesion count. Photographic records will be

taken for comparison at each visit.


 
Close