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CTRI Number  CTRI/2024/07/069956 [Registered on: 04/07/2024] Trial Registered Prospectively
Last Modified On: 08/10/2024
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Other 
Public Title of Study   A Study to Learn About the Study Medicine Called PF-07220060 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment 
Scientific Title of Study   An Interventional, Open-label, randomized, multicentre Phase 3 study of PF-07220060 plus fulvestrant compared to investigators choice of therapy in participants over 18 years of age with hormone receptor-positive, HER2-Negative advanced/metastatic breast cancer whose disease progressed after prior CDK 4/6 inhibitor based therapy.  
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
2023-506487-13-00  EudraCT 
NCT06105632  ClinicalTrials.gov 
Protocol C4391022 (Final Protocol, 30 June 2023)  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name   
Designation   
Affiliation   
Address 




 
Phone    
Fax    
Email    
 
Details of Contact Person
Scientific Query
 
Name  Dr Seema Pai 
Designation  Director Clinical Site Operations – India Cluster 
Affiliation  Pfizer Limited 
Address  The Capital, 1802-1901, Plot No. C-70, G Block, Bandra Kurla Complex, Bandra (East) Mumbai-400051,MAHARASHTRA, India Mumbai MAHARASHTRA 400051 India

Mumbai
MAHARASHTRA
400051
India 
Phone  02266932000  
Fax    
Email  Seema.Pai@pfizer.com  
 
Details of Contact Person
Public Query
 
Name  Dr Seema Pai 
Designation  Director Clinical Site Operations – India Cluster 
Affiliation  Pfizer Limited 
Address  The Capital, 1802-1901, Plot No. C-70, G Block, Bandra Kurla Complex, Bandra (East) Mumbai-400051,MAHARASHTRA, India Mumbai MAHARASHTRA 400051 India


MAHARASHTRA
400051
India 
Phone  02266932000  
Fax    
Email  Seema.Pai@pfizer.com  
 
Source of Monetary or Material Support  
Pfizer Inc. 66 Hudson Boulevard East New York, NY 10001 
 
Primary Sponsor  
Name  Pfizer Inc. 
Address  66 Hudson Boulevard East New York, NY 10001 
Type of Sponsor  Pharmaceutical industry-Global 
 
Details of Secondary Sponsor  
Name  Address 
Pfizer Limited  The Capital, 1802/1901, Plot No. C-70 G Block, Bandra Kurla Complex, Bandra (E), Mumbai City (India) - 400051 
 
Countries of Recruitment     Argentina
Australia
Belgium
Brazil
Bulgaria
Canada
China
Czech Republic
Denmark
Finland
France
Germany
Greece
Hungary
India
Israel
Italy
Japan
Mexico
Poland
Republic of Korea
Slovakia
Spain
Sweden
Taiwan
Turkey
United Kingdom
United States of America  
Sites of Study
Modification(s)  
No of Sites = 10  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Shailesh Bondarde  Apex Wellness Hospital  Clinical Research Department Old Canal Link Road, Nashik-422009, Maharashtra, India
Nashik
MAHARASHTRA 
9822012427

shaileshbondarde1971@gmail.com 
Dr Sandip Ganguly  Apollo Multispeciality Hospitals Limited  58, Canal Circular Road, Main building , Mezzanine floor, Kadapara, Kolkata, 700054
Kolkata
WEST BENGAL 
919663667459

dr.sandipganguly@gmail.com 
Dr Nirmal Raut  Bhakti Vedanta Hospital & Research Institute  Srishti Complex, Bhaktivedanta Swami Marg, Mira Road East, Thane 401107
Thane
MAHARASHTRA 
9930398156

pinirmal123@gmail.com 
Dr Rohit Dominic Jawahar Rebello  GBH Memorial Cancer Hospital  Near Transport Nagar, Airport Road Bedwas, Bedwas Rural, Udaipur-313002, Rajasthan, India.
Udaipur
RAJASTHAN 
7984315265

dr.rohitresearch@gmail.com 
Dr Saurabh Rajeshwar Prasad  KIMS Kingsway Hospitals  44, Parwana Bhawan, Near Kasturchand Park, Kingsway, Nagpur 440001, Maharashtra, India.
Nagpur
MAHARASHTRA 
7066580511

drsaurabhprasad@gmail.com 
Dr Anshul Agarwal  Kiran Hospital - Multi Super Speciality Hospital and Research Center  Clinical Research Department 2nd floor Near Sumul Dairy, Surat 395004, Gujarat, India
Surat
GUJARAT 
9377113143

dranshulragarwal@gmail.com 
Dr Dinesh Doval  Rajiv Gandhi Cancer Institute and Research Centre  Department of Medical Oncology, Room no 52 Sector 5, Rohini, New Delhi, 110085, Delhi, India.
New Delhi
DELHI 
911127051011

dcdoval@gmail.com 
Dr Tushar Vishvasrao Patil  Sahyadri Super Speciality Hospital  30C, Erandwane, Karve Road Pune 411004
Pune
MAHARASHTRA 
9552522556

tussipats@hotmail.com 
Dr CT Satheesh  Spandana Oncology Centre  919, New No 68, 28th Main Road, 9th Block Jayanagar, Bangalore 560068
Bangalore
KARNATAKA 
9242698750

drsatheeshct@gmail.com 
Dr Sudeep Gupta  Tata Memorial Hospital  Dr. Ernest Borges Marg, Parel East, Mumbai 400012
Mumbai
MAHARASHTRA 
91-22-24177000

sudeepgupta04@yahoo.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 10  
Name of Committee  Approval Status 
Apex Wellness Ethics Committee - AWEC Apex Wellness Hospital  Approved 
Bhaktivedanta Hospital Ethics Committee  Approved 
Ethics Committee GBH Memorial Cancer Hospital  Approved 
IEC for Spandana Oncology Centre  Approved 
Institutional Ethics Committee (IEC)-I  Approved 
Institutional Ethics Committee Apollo Multispeciality Hospitals Limited  Approved 
Institutional Review Board Rajiv Gandhi Cancer Institute and Research Centre  Approved 
Kingsway Hospitals Ethics Committee  Approved 
Kiran Hospital Ethics Committee Kiran Hospital  Approved 
Sahyadri Hospitals Pvt Ltd Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
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  Everolimus  Everolimus Tablets, orally, once daily, continuously in a 28-day cycle 
Comparator Agent  Exemestane  Exemestane Tablets, orally, once daily, continuously in a 28-day cycle 
Intervention  Fulvestrant  Arm A: Fulvestrant, intramuscularly on Days 1 and 15 of Cycle 1 and then on Day 1 of each cycle starting from C2D1 (28- day cycle). Arm B: Fulvestrant 500 mg, intramuscularly on Days 1 and 15 of Cycle 1 and then on Day 1 of each cycle starting from C2D1 (28- day cycle), 
Intervention  PF-07220060 CDK4 inhibitor  Arm A: Participants will receive PF-07220060 as three 100 mg tablets, orally, twice daily, continuously in a 28-day cycle, 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  - Histological confirmation of breast cancer with evidence of locally advanced or metastatic disease, which is not amenable to surgical resection or radiation therapy with curative intent.
- Documented estrogen receptor (ER) and/or progesterone receptor (PR)- positive tumor
- Documented HER2-negative tumor
- Able to provide a sufficient amount of representative formalin fixed, paraffin embedded (FFPE) tumor tissue specimen.
- Must have received CDK4/6i plus NSAI defined per study protocol. There must be documented PD during or after CDK4/6i treatment.
- Measurable disease or non-measurable bone only disease as defined by RECIST version 1.1.
- Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) less than equal to 2. 
 
ExclusionCriteria 
Details  - Any medical or psychiatric condition that may increase the risk of study participation or make the participant inappropriate for the study.
- In visceral crisis at risk of immediately life-threatening complications in the short term.
- Known active uncontrolled or symptomatic central nervous system metastases, carcinomatous meningitis, or leptomeningeal disease.
- Prior treatment with any of the following:
- Everolimus or investigational anti-cancer agents in any setting
- Prior chemotherapy in the advanced setting
- Radiation within 2 weeks of randomization
- Current use or anticipated need for any prohibited food, supplements or concomitant medication(s) (ie, other anti-cancer therapies, other endocrine therapies, growth factors, chronic systemic corticosteroids, strong cytochrome P450 3A4/5 [CYP3A4/5] or uridine 5 diphosphate-glucuronosyltransferase 2B7 [UGT2B7] inhibitors and inducers, direct oral anticoagulants, proton pump inhibitors).
- Inadequate renal function, hepatic dysfunction, or hematologic abnormalities. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Centralized 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
(1) Progression-Free Survival (PFS) progression, as determined by blinded independent central review (BICR) per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1

(2) Number of Participants with Objective Response (OR) 
(1) From Initiation up to 2 years

(2) Baseline up to 12 months  
 
Secondary Outcome  
Outcome  TimePoints 
Overall Survival (OS)  Time from the date of randomization to the date of death due to any cause up to approximately 5 years  
PFS as defined by investigator   Time from the date of randomization up to approximately 2 years 
OR by BICR & by investigator per RECIST v1.1  Time From randomization date (every 8 weeks during the first 48 weeks & then every 12 weeks) to the date of progression OR death whichever occurs first (up to approximately 2 years) 
Duration of Response (DOR) as define by Blinded Independent Central Review (BICR) & by investigator per RECIST v1.1  From the date of the first objective response (every 8 weeks during the first 48 weeks & then every 12 week) up to approximately 2 years. 
Number of Participants With Clinical Benefit Response (CBR) by BICR & by investigator per RECIST v1.1  From randomization date (every 8 weeks during the first 48 weeks & then every 12 weeks) up to approximately 2 years  
Number or Patients with Adverse Events (AEs) by Type  From screening until 28 days after the last dose, to approximately 3 years 
Number or Patients with AEs by Incidence  From screening until 28 days after the last dose, to approximately 3 years 
Number or Patients with AEs by Seriousness  From screening until 28 days after the last dose, to approximately 3 years  
Number or Patients with AEs by relationship to study interventions  From screening until 28 days after the last dose, to approximately 3 years 
Number of Participants With Abnormal Electrocardiogram (ECG)   From baseline to approximately 2 years 
Number of Participants With Laboratory Test Abnormalities  From screening until 28 days after the last dose to approximately 2 years 
EQ-5D-5L  Screening Days 1, 15 of Cycle 1 & 2, Day 1 of Cycles 3-6, then Day 1 of every other subsequent Cycle starting with Cycle 8 (eg, Cycles 8, 10, 12, etc), EoT & Safety FU until 28 days after the last dose to approximately 2 years. Each Cycle is 28 days 
EORTC QLQ  Screening Days 1, 15 of Cycle 1 & 2, Day 1 of Cycles 3-6, then Day 1 of every other subsequent Cycle starting with Cycle 8 (eg, Cycles 8, 10, 12, etc), EoT & Safety FU until 28 days after the last dose to approximately 2 years. Each Cycle is 28 days 
EORTC QLQ Breast Cancer Module 23 (BR23)  Screening Days 1, 15 of Cycle 1 & 2, Day 1 of Cycles 3-6, then Day 1 of every other subsequent Cycle starting with Cycle 8 (eg, Cycles 8, 10, 12, etc), EoT & Safety FU until 28 days after the last dose to approximately 2 years. Each Cycle is 28 days  
Ctrough of PF-07220060  Cycle 1 (Day 15), Cycle 2 (Day 1), & Cycle 3 (Day 1). Each Cycle is 28 days 
 
Target Sample Size   Total Sample Size="510"
Sample Size from India="30" 
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 3 
Date of First Enrollment (India)   19/07/2024 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  15/12/2023 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="4"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Closed to Recruitment of Participants 
Recruitment Status of Trial (India)  Closed to Recruitment of Participants 
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 purpose of this study is to learn about the safety and how effective the study medicine (PF-07220060) plus fulvestrant is compared to the study doctor’s choice of treatment in people with advanced or metastatic breast cancer. Advanced cancer is the one that is unlikely to be cured or taken care of with treatment. Metastatic cancer is the one that has spread to other parts of the body.

This study is seeking female and male participants who:

  • are 18 years of age or older;
  • are hormone receptor (HR)-positive and human epidermal growth factor receptor 2 (HER2)-negative;
  • have advanced or metastatic breast cancer after taking other treatments before this study;
  • have not taken or need to take medications that are not allowed by the study protocol;
  • do not have any medical or mental conditions that may increase the risk of study participation.

Half of the participants will take PF-07220060 two times daily by mouth along with fulvestrant. Fulvestrant will be given as a shot into the muscle. The other half will take the study doctor’s choice of treatment which can either be:

  • Fulvestrant alone taken as shot into the muscle.
  • Everolimus along with exemestane taken once daily by mouth.

This study will compare the experiences of participants receiving the study medicine plus fulvestrant to those who are receiving the study doctor’s choice of treatment. This will help decide if the study medicine is safe and effective.

Participants will receive study treatment and/or will be in the study until:

  • imaging scans (such as an MRI and/or CT) show that their cancer is getting worse.
  • the study doctor thinks the participant is no longer benefitting from the study medicine.
  • has side effects that become too severe. A side effect is a reaction (expected or unexpected) to a medicine or treatment you take.
  • the participant chooses to stop taking part.
 
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