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CTRI Number  CTRI/2025/12/099514 [Registered on: 19/12/2025] Trial Registered Prospectively
Last Modified On: 12/07/2026
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A study to see whether adding a new injection to standard treatment improves skin symptoms in children with congenital ichthyosis 
Scientific Title of Study   A double-blind randomized controlled trial evaluating the effectiveness and safety of oral acitretin versus oral acitretin plus ustekinumab in non-syndromic congenital ichthyosis. 
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 Rahul Mahajan 
Designation  Additional Professor 
Affiliation  Post Graduate Institute of Medical Education and Research 
Address  Room no 8 Level 2 Block F Nehru Hospital Post Graduate Institute of Medical Education and Research Chandigarh

Chandigarh
CHANDIGARH
160012
India 
Phone  9878920348  
Fax    
Email  drrahulpgi@yahoo.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Rahul Mahajan 
Designation  Additional Professor 
Affiliation  Post Graduate Institute of Medical Education and Research 
Address  Room no 8 Level 2 Block F Nehru Hospital Post Graduate Institute of Medical Education and Research Chandigarh

Chandigarh
CHANDIGARH
160012
India 
Phone  9878920348  
Fax    
Email  drrahulpgi@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Dr Rahul Mahajan 
Designation  Additional Professor 
Affiliation  Post Graduate Institute of Medical Education and Research 
Address  Room no 8 Level 2 Block F Nehru Hospital Post Graduate Institute of Medical Education and Research Chandigarh

Chandigarh
CHANDIGARH
160012
India 
Phone  9878920348  
Fax    
Email  drrahulpgi@yahoo.com  
 
Source of Monetary or Material Support  
Indian Council of Medical Research, V. Ramalingaswami Bhawan, P.O. Box No. 4911, Ansari Nagar, New Delhi - 110029, India 
 
Primary Sponsor  
Name  Indian Council of Medical Research 
Address  V. Ramalingaswami Bhawan P.O. Box No. 4911 Ansari Nagar New Delhi – 110029 India 
Type of Sponsor  Government funding agency 
 
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 Rahul Mahajan  Post Graduate Institute of Medical Education and Research  Room no 5010 Department of Dermatology Block C New OPD Post Graduate Institute of Medical Education and Research Sector 12 Chandigarh
Chandigarh
CHANDIGARH 
9878920348

drrahulpgi@yahoo.com  
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Post Graduate Institute of Medical Education and Research, Chandigarh, Institute Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: L988||Other specified disorders of the skin and subcutaneous tissue,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Oral Acitretin  Oral acitretin (0.5 mg/kg/day) for 24 weeks 
Intervention  Oral Acitretin + Ustekinumab Injection  Oral acitretin (0.5 mg/kg/day) for 24 weeks plus ustekinumab administered subcutaneously at 0.75 mg/kg (less than 60 kg), 45 mg (60–100 kg) or 90 mg (more than 100 kg) at Weeks 0, 4, 12, and 20 
 
Inclusion Criteria  
Age From  6.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Patients aged more than 6 years with genetically or clinically confirmed non syndromic congenital ichthyosis or netherton syndrome will be included 
 
ExclusionCriteria 
Details  Exclusion criteria will include syndromic ichthyosis, common ichthyosis (XLRI/ichthyosis vulgaris), recent use of systemic retinoids (within 8 weeks) or biologics (within 12 weeks), active infection, significant hepatic/renal dysfunction, uncontrolled hyperlipidemia, pregnancy/lactation, or contraindications to study drugs. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Mean absolute change in ichthyosis area severity index (IASI)  Baseline and week 24 
 
Secondary Outcome  
Outcome  TimePoints 
Change in Visual Index for Ichthyosis Severity  Weeks 0, 4, 8, 12, 20, and 24 
Proportion achieving more than or equal to 50% reduction in IASI   Week 24 
Incidence of adverse events  Weeks 4, 8, 12, 20, and 24 
Mean change in serum IL-23 and other IL-23/Th17 related cytokines  Baseline and Week 24 
Change in relative mRNA expression levels of IL-23  Baseline and Week 24 
Association between gene polymorphisms (Cdx2 and Fok1 polymorphisms) and clinical response (more than or equal to 50% reduction in IASI).  Week 24 
 
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 2/ Phase 3 
Date of First Enrollment (India)   01/03/2026 
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="3"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Open to Recruitment 
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 - NO
Brief Summary   This study will compare two treatments for children with non syndromic congenital ichthyosis. One group will receive oral acitretin which is the standard treatment. The other group will receive oral acitretin plus ustekinumab injection. The aim is to find out whether adding ustekinumab gives better improvement in skin scaling and dryness. The study will run for 24 weeks. Children will be checked at regular visits and blood tests will be done to monitor safety and to study changes in inflammation markers. Participation is voluntary and all study related tests and medicines will be provided free of cost. The information from this study may help improve treatment options for children with ichthyosis in the future. 
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