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CTRI Number  CTRI/2025/04/085049 [Registered on: 17/04/2025] Trial Registered Prospectively
Last Modified On: 16/04/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Medical Device 
Study Design  Other 
Public Title of Study   Comparison of two treatment options for pimple marks  
Scientific Title of Study   Randomised double blinded study comparing efficacy of microneedling radiofrequency and fractional carbondioxide laser for acne scars 
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 Trishna vaishali M 
Designation  Associate professor 
Affiliation  Pondicherry Institute of Medical sciences 
Address  Pondicherry Institute of Medical sciences Village NO.20,Kalathumettupathai,Ganapathichettikulam,Kalapet,Puducherry
Village NO.20,Kalathumettupathai,Ganapathichettikulam,Kalapet,Puducherry
Pondicherry
PONDICHERRY
605014
India 
Phone  9840579316  
Fax    
Email  trishpraveen@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Trishna vaishali M 
Designation  Associate professor 
Affiliation  Pondicherry Institute of Medical sciences 
Address  Pondicherry Institute of Medical sciences Village NO.20,Kalathumettupathai,Ganapathichettikulam,Kalapet,Puducherry
Village NO.20,Kalathumettupathai,Ganapathichettikulam,Kalapet,Puducherry
Pondicherry
PONDICHERRY
605014
India 
Phone  9840579316  
Fax    
Email  trishpraveen@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Trishna vaishali M 
Designation  Associate professor 
Affiliation  Pondicherry Institute of Medical sciences 
Address  Pondicherry Institute of Medical sciences Village NO.20,Kalathumettupathai,Ganapathichettikulam,Kalapet,Puducherry
Village NO.20,Kalathumettupathai,Ganapathichettikulam,Kalapet,Puducherry
Pondicherry
PONDICHERRY
605014
India 
Phone  9840579316  
Fax    
Email  trishpraveen@gmail.com  
 
Source of Monetary or Material Support  
Pondicherry Institute of Medical Sciences village No.20, Ganapathichettikulam,kalapet,Puducherry 605014,India 
 
Primary Sponsor  
Name  Pondicherry Institute of Medical Sciences 
Address  Pondicherry Institute of Medical Sciences Village NO.20,Kalathumettupathai,Ganapathichettikulam,Kalapet,Puducherry 
Type of Sponsor  Private 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 Trishna vaishali M  Pondicherry Institute of Medical Sciences  Pondicherry Institute of Medical Sciences Village NO.20,Kalathumettupathai,Ganapathichettikulam,Kalapet,Puducherry
Pondicherry
PONDICHERRY 
9840579316

trishpraveen@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
PIMS Institute Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: L905||Scar conditions and fibrosis of skin,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Fractional CO2  Fractional CO2 Three sequential sessions at four weeks interval  
Intervention  MNRF  Microneedling radiofrequency Three sequential sessions at four weeks interval 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  40.00 Year(s)
Gender  Both 
Details  Patients with acne scars (all grades), above 18 years who are willing to participate the study 
 
ExclusionCriteria 
Details  Pregnancy & lactation, keloidal tendency, active inflammatory lesions in face, herpes infection, bleeding disorders, undergone any skin resurfacing techniques in 12 months and on retinoids 
 
Method of Generating Random Sequence   Other 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Micro Needling Radio Frequency(MNRF) is more efficacious in treatment of acne scars  5 months 
 
Secondary Outcome  
Outcome  TimePoints 
Depth and visibility of Acne scars will be reduced  5 months 
 
Target Sample Size   Total Sample Size="40"
Sample Size from India="40" 
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)   28/04/2025 
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="0"
Months="5"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
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  

The study will be conducted after getting approval from the Institute research and Ethics committees

Patients who fit into inclusion criteria and give consent for study will be enrolled


 Written and informed consent obtained from the participants.Patients will be analysed at baseline and documented.Under aseptic precautions Group A patients will be treated with MNRF, Group B patients will be treated with Fractional CO2

 .

 3 sessions done at interval of 4 weeks.Final results are documented 2 months post procedure and results area analysed using SPSS software

 
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