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CTRI Number  CTRI/2025/01/079700 [Registered on: 29/01/2025] Trial Registered Prospectively
Last Modified On: 28/01/2025
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Case Series 
Study Design  Other 
Public Title of Study   Case studies of patient who took Tab Ribociclib and Palbociclib and have suffered vitiligo complaint  
Scientific Title of Study   A case series to report CDK4/6 induced Vitiligo. 
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 Sudeep Gupta 
Designation  Director TMC and Professor Medical Oncology 
Affiliation  Tata Memorial Center 
Address  Room no: 1109, 11 floor, Homi Bhabha Building Tata Memorial Hospital Parel Mumbai

Mumbai
MAHARASHTRA
400012
India 
Phone  02224177201  
Fax    
Email  sudeepgupta04@yahoo.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Sudeep Gupta 
Designation  Director TMC and Professor Medical Oncology 
Affiliation  Tata Memorial Center 
Address  Room no: 1109, 11 floor, Homi Bhabha Building Tata Memorial Hospital Parel Mumbai


MAHARASHTRA
400012
India 
Phone  02224177201  
Fax    
Email  sudeepgupta04@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Yogesh Kembhavi 
Designation  Research Manager 
Affiliation  Tata Memorial Center 
Address  Room no: 1109, 11 floor, Homi Bhabha Building Tata Memorial Hospital Parel Mumbai

Mumbai
MAHARASHTRA
400012
India 
Phone  09967594597  
Fax    
Email  yogeshkembhavi1@gmail.com  
 
Source of Monetary or Material Support  
TMC: Research Administration And Council Tata Memorial Centre. 3rd floor, Main building E Borges Marg Parel 400012 
 
Primary Sponsor  
Name  Tata Memorial Hospital 
Address  Tata Memorial Hospital, E Borges Marg Parel, Mumbai 400012  
Type of Sponsor  Government funding agency 
 
Details of Secondary Sponsor  
Name  Address 
Not applicable  NA 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Sudeep Gupta  Tata Memorial Hospital  Room no: 106, 1st floor, Homi Bhabha Building Tata Memorial Hospital Parel Mumbai
Mumbai
MAHARASHTRA 
02224177201

sudeepgupta04@yahoo.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Tata Memorial Centre  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C509||Malignant neoplasm of breast of unspecified site,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Not applicable  Not applicable 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  Hormone positive, HER 2 negative breast cancer patients, who are receiving CDK4/6 inhibitors. 
 
ExclusionCriteria 
Details  Not willing participants 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Main study: The purpose of the study is to report the adverse event Vitiligo in patients taking CDK4/6 inhibitor. The optional part: The aim of this study is to dermatologically define and histologically characterize this drug induced vitiligo.  3 MONTHS 
 
Secondary Outcome  
Outcome  TimePoints 
Not applicable  00 
 
Target Sample Size   Total Sample Size="6"
Sample Size from India="6" 
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   N/A 
Date of First Enrollment (India)   15/02/2025 
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 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   Study Methodology: This is an observational study of patients, who are currently on CDK4/6 inhibitors, i.e. Tab Ribociclib or Tab Palbociclib. Patients will be consented for the study, during their routine follow-up visit. Photographic images will be taken for the records. No treatment interventions will be done. Patient’s demographic and medical history will be noted, to study any common correlations among the reported cases if any. The second optional part of the study will be to acquire biopsy from the vitiligo affected area. It will be taken from patients, who will consent for it. Biopsy will be an optional procedure, and denying it will not affect the main study enrollment. A separate ICF will be used for consenting from patients who will be willing for the skin biopsy. Punch biopsy will be done from hypopigmented patches and subjacent healthy skin. Loss of Melanin pigment will be graded as partial or complete as opposed to adjacent normal skin. Number of melanocytes will be counted in basal later using immunohistochemistry. Any inflammatory reaction around the dermal melanocytes or in dermis will also be studied. Any epidermal changes will also be studied. 
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