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CTRI Number  CTRI/2025/05/086774 [Registered on: 13/05/2025] Trial Registered Prospectively
Last Modified On: 10/05/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Fractional CO2 Laser versus Q-Switched Nd:YAG Laser in Melasma 
Scientific Title of Study   Comparing the Efficacy of Combination of Q-Switched Nd:YAG and Fractional CO2 Lasers versus Q-Switched Nd:YAG Laser alone in Melasma: A Split-face Randomised Controlled Trial 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Piyush Meena 
Designation  Junior Resident 
Affiliation  AIIMS Jodhpur 
Address  Room 107, Dermatology OPD, 1A-OPD Block AIIMS Hospital, Basni Phase-2

Jodhpur
RAJASTHAN
342005
India 
Phone  6377330990  
Fax    
Email  piyushmeena1132001@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Anil Budania 
Designation  Additional Professor 
Affiliation  AIIMS Jodhpur 
Address  Room 107, Dermatology OPD, 1A-OPD Block AIIMS Hospital, Basni Phase-2

Jodhpur
RAJASTHAN
342005
India 
Phone  9213361424  
Fax    
Email  anilbuddy25@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Piyush Meena 
Designation  Junior Resident 
Affiliation  AIIMS Jodhpur 
Address  Room 107, Dermatology OPD, 1A-OPD Block AIIMS Hospital, Basni Phase-2

Jodhpur
RAJASTHAN
342005
India 
Phone  6377330990  
Fax    
Email  piyushmeena1132001@gmail.com  
 
Source of Monetary or Material Support  
AIIMS Jodhpur, Basni Phase-2 Jodhpur, 342005 Rajasthan, India 
 
Primary Sponsor  
Name  AIIMS Jodhpur 
Address  Basni Industrial Area Phase-2 Jodhpur-342005 
Type of Sponsor  Government medical college 
 
Details of Secondary Sponsor  
Name  Address 
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 Piyush  AIIMS Jodhpur Hospital  Room 107, Dermatology OPD, 1-A OPD Block, AIIMS Jodhpur Hospital Basni Phase 2, PINCODE: 342005
Jodhpur
RAJASTHAN 
6377330990

piyushmeena1132001@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
All India Institute of Medical Sciences Banni Jodhpur Rajasthan  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: L811||Chloasma,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Fractional Co2 laser, Q-switched Nd:YAG laser  The combination treatment has been found to be better than either one in few studies with better efficacy and fewer side effects. We wish to study and compare this combination versus widely used Q-switched Nd:YAG laser alone. Our study is a split face study, we will perform two lasers over one half of the face (randomly assigned) while only Q-switched Nd:YAG laser will be done over another half of face. We aim to compare the clinical efficacy and safety between both the groups. Fractional Co2 laser will be done every four weekly i.e monthly for a total of three times, while Q-switched Nd:YAG laser will be done every two weekly for a total of six times. 
Comparator Agent  Q-switched Nd:YAG laser  It is known effective and safe laser option in Melasma. Q-switched Nd:YAG laser will be done every two weekly for a total of six times. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Clinically diagnosed Melasma
 
 
ExclusionCriteria 
Details  Any one of the following-

1. Pregnant and/ or lactating women
2. Women taking oral contraceptives or hormonal replacement therapy
3. Patients taking oral or topical treatment for Melasma 4 weeks prior to the study
4. Any known systemic illness
5. Active skin disease present locally
6. History of Photosensitive disorder
7. Patients having keloidal tendency
8. Bleeding diathesis
9. Unwilling to participate 
 
Method of Generating Random Sequence   Permuted block randomization, fixed 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Comparing efficacy of both groups by the change in modified MASI score and Physician Global Assessment (PGA) score.  At each follow up visit. Final assessment will be done 2 weeks after the last session. 
 
Secondary Outcome  
Outcome  TimePoints 

1. To assess dermoscopic changes in both treatment groups.
2. To observe and assess side effects in both treatment groups
3. To evaluate patient satisfaction using a percentage-based scoring system 
At each follow up visit. Final assessment will be done 2 weeks after the last session. 
 
Target Sample Size   Total Sample Size="48"
Sample Size from India="48" 
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 2/ Phase 3 
Date of First Enrollment (India)   22/05/2025 
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="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

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

Response - YES
  1. What data in particular will be shared?
    Response - Individual participant data that underlie the results reported in this article, after de-identification (text, tables, figures, and appendices).

  2. What additional supporting information will be shared?
    Response -  Study Protocol
    Response -  Statistical Analysis Plan
    Response - Informed Consent Form
    Response - Clinical Study Report

  3. Who will be able to view these files?
    Response (Others) -  Data will be available to researchers who provide a methodologically sound proposal for use in research that has been approved by an independent ethics committee.

  4. For what types of analyses will this data be available?
    Response - Any purpose.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [piyushmeena1132001@gmail.com].

  6. For how long will this data be available start date provided 07-05-2027 and end date provided 07-01-2100?
    Response (Others) -  Beginning 9 months following article publication. No end date.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary  
Patients with clinically diagnosed melasma visiting the Dermatology OPD at AIIMS Jodhpur during the study period will be recruited based on inclusion and exclusion criteria after a written informed consent. Through our study we want to find whether the combination of Q-switched Nd:YAG and Fractional CO2 lasers provide better clinical improvement than Q-switched Nd:YAG laser alone in Melasma. This split-face randomized controlled trial will last approximately 18 months. Using block randomization method we will randomly assign one half of the face to receive both lasers, while the other half will receive only the Q-switched Nd:YAG laser. After the patient is recruited, he/she will be started on topical sunscreen with spf>30. The first laser session will be held after 4 weeks, followed by sessions every 2-4 weekly. Q-switched Nd:YAG laser will be done every 2 weekly while Fractional Co2 laser will be done monthly. A total of 6 sittings of Q-switched Nd:YAG and 3 sittings of Fractional Co2 will be done in combination group while only 6 sittings of Q-switched Nd:YAG laser will be done in another group. We will compare efficacy using Photography, Modified MASI scoring, Physician Global Assessment (PGA) scoring, and dermoscopic evaluation, and monitor side effects. All information will be recorded on a pre-designed proforma, and photographic records will be maintained. Patient satisfaction will be measured using a percentage-graded score. Final assessment will be done 2 weeks after the last laser session. Our study can help us understand the effect of combination of Q-Switched Nd:YAG and Fractional CO2 lasers in Melasma better. Also it will guide us in formulating standardized laser protocol for Indian Melasma patients.
 
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