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CTRI Number  CTRI/2024/12/078269 [Registered on: 18/12/2024] Trial Registered Prospectively
Last Modified On: 18/12/2024
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Identification of factors predicting complete response to neo-adjuvant chemotherapy in breast cancer patients  
Scientific Title of Study   Development of predictive nomogram for assessing pathological complete response after neo-adjuvant chemotherapy in treatment naive non-metastatic breast cancer patients - An ambispective study 
Trial Acronym  P-NNACLE-B (P-Predictive N-Nomogram post N-Neo A-Adjuvant C-Chemotherapy in L-Locally advanced and E-Early B-Breast cancer)  
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Suhani 
Designation  Additional Professor 
Affiliation  All India Institute of Medical Sciences, New Delhi 
Address  Room 414, Surgery Block, AIIMS Delhi Campus, Ansari Nagar East

New Delhi
DELHI
110029
India 
Phone  01126551815  
Fax    
Email  drsuhani@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Ramita Mukherjee 
Designation  Senior Resident (Academic) 
Affiliation  All India Institute of Medical Sciences, New Delhi 
Address  Department of Surgical Disciplines, 4th floor, AIIMS Delhi Campus

New Delhi
DELHI
110029
India 
Phone  7604052439  
Fax    
Email  drramitamukherjee@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Ramita Mukherjee 
Designation  Senior Resident (Academic) 
Affiliation  All India Institute of Medical Sciences, New Delhi 
Address  Department of Surgical Disciplines, 4th floor, AIIMS Delhi Campus

New Delhi
DELHI
110029
India 
Phone  7604052439  
Fax    
Email  drramitamukherjee@gmail.com  
 
Source of Monetary or Material Support  
All India Institute of Medical Sciences, New Delhi 
 
Primary Sponsor  
Name  All India Institute of Medical Sciences, New Delhi 
Address  All India Institute of Medical Sciences, New Delhi Ansari Nagar East, New Delhi 110029  
Type of Sponsor  Research institution and hospital 
 
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 Suhani  All India Institute of Medical Sciences  Room 414, 4th floor, Department of Surgical Disciplines, Surgery Block, AIIMS Delhi Campus, Ansari Nagar East New Delhi 110029
New Delhi
DELHI 
01126551815

drsuhani@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute of Ethics Committee AIIMS OT Block Ansari Nagar, New Delhi 29  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  nil  nil 
 
Inclusion Criteria  
Age From  20.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  1. Treatment naïve non-metastatic breast cancer patients receiving/received
neoadjuvant chemotherapy
2. For prospective group: patients consenting to participate in the study 
 
ExclusionCriteria 
Details  1. Breast cancer patients with previous history of surgery or radiotherapy to chest and
axilla.
2. Metastatic breast cancer at presentation.
3. Patients not consenting to participate in the study.
4. Patients having incomplete records. 
 
Method of Generating Random Sequence   Other 
Method of Concealment   Other 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To develop a predictive nomogram to predict pathological complete response in treatment naïve non metastatic breast cancer patients receiving neoadjuvant
chemotherapy 
From enrollment to final histopathology (06 months) 
 
Secondary Outcome  
Outcome  TimePoints 
To validate the predictive nomogram developed to identify the patients having a
likelihood of achieving pathological complete response in treatment naïve non
metastatic breast cancer patients receiving neoadjuvant chemotherapy 
01 month 
To study the factors predicting pathological complete response in treatment naïve
non metastatic breast cancer patients receiving neoadjuvant chemotherapy 
06 months 
 
Target Sample Size   Total Sample Size="380"
Sample Size from India="380" 
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)   30/12/2024 
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="2"
Months="6"
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   Breast cancer is the most common malignancy in women and leading cause of cancer related deaths amongst them. There is a difference in the clinical and demographic presentation of breast cancer patients in India compared to the West. Asians are younger to Western women with breast cancer at time of diagnosis. Prevalence of Triple negative breast cancer is more in Indian than Western women. Hence, the predictors of desired response to chemotherapy are also expected to differ. No study has been carried out in the Indian subcontinent to identify the predictors of complete response to chemotherapy in breast cancer patients. There is a striking difference in the clinical and demographic profile of breast cancer patients from India and the west. There is no published study in English literature from Indian sub continent on this subject. The few available studies from the west have used differing parameters as marker for response assessment making a head on comparison difficult. Hence, we wish to study the factors influencing response to Neoadjuvant chemotherapy and develop a predictive nomogram for the same. This may help in individualized patient treatment planning in the future. 
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