Last updated 3 months ago

A Study to Learn About a New Medicine Called ARV-471 (PF-07850327) in People Who Have Advanced Metastatic Breast Cancer.

560 patients around the world
Available in Argentina, Puerto Rico, Spain, United States, Brazil
The purpose of this study is to learn about the safety and effects of the study medicine ARV-471 (PF-07850327, vepdegestrant) compared to fulvestrant (FUL) in participants with advanced breast cancer. Advanced breast cancer is difficult to cure or control with treatment. The cancer may have spread from where it first started to nearby tissue, lymph nodes, or distant parts of the body, i.e. bones, lungs, brain, or liver. FUL is a medicine already used for treatment of breast cancer while ARV-471 is a new medicine. This study is seeking participants with breast cancer who: - have cancer that has come back in the place where it started or spread to nearby tissue, lymph nodes, or distant parts of the body. - cannot be fully cured by surgery or radiation therapy. Radiation therapy is the use of high-energy radiation such as x-rays, gamma rays and other sources to kill cancer cells and shrink tumors. - respond to hormonal or endocrine therapy (which target hormones and/or activity of hormone receptors) such as tamoxifen or aromatase inhibitors (this is called estrogen receptor positive disease) - have received one line of CDK4/6 inhibitor therapy (for example palbociclib, ribociclib or abemaciclib) in combination with endocrine therapy (for example letrozole) for advanced cancer. - are allowed up to one other endocrine therapy (for example exemestane) for advanced cancer. Half of the participants will be given ARV-471 while the other half of the participants will be given FUL. Participants who get ARV-471 will take ARV-471 by mouth with food, one time a day. During the first treatment cycle participants who will get FUL will be given FUL by shots into the muscles on Day 1 and again 2 weeks later. After the first month, FUL shots will be given on the first day of each new treatment cycle. One treatment cycle is 28 days. Participants will receive the study medicine until their breast cancer worsens or side effects become too severe. Participants will have visits at the study clinic about every 4 weeks.
Pfizer
19Research sites
560Patients around the world

This study is for people with

Breast Cancer

Requirements for the patient

From 18 Years
All Gender

Medical requirements

Sites

STAT Research - CABA
STAT Research - CABA
Recruiting
Av. Callao 875, CABA, Buenos Aires
CEMIC - Hospital Universitario Sede Saavedra - CABA, Buenos Aires
CEMIC - Hospital Universitario Sede Saavedra - CABA, Buenos Aires
Recruiting
Av. Galvan 4102, CABA, Buenos Aires
Instituto Médico Fundación Grupo Colaborativo Rosario Investigación y Prevención Médica - Rosario, Santa Fe
Instituto Médico Fundación Grupo Colaborativo Rosario Investigación y Prevención Médica - Rosario, Santa Fe
Recruiting
Rioja 2926, Rosario, Santa Fe
Sanatorio de la Mujer - Rosario
Recruiting
San Luis 2493, Rosario, Santa Fe
Instituto Médico Strusberg - Córdoba
Instituto Médico Strusberg - Córdoba
Recruiting
Av. Emilio Olmos 247, X5000 Córdoba, Argentina
Fundación CENIT para la Investigación en Neurociencias
Recruiting
Juncal 2222, C1125 CABA, Argentina
Centro Oncológico Korben
Recruiting
Cdad. de La Paz 353, C1426 CABA, Argentina
Fundación Respirar
Recruiting
Av. Cabildo 1548, CABA, Buenos Aires
Clínica Universitaria Privada Reina Fabiola - Córdoba
Recruiting
Oncativo 1248, X5004FHP Córdoba, Argentina
Instituto de Oncología Ángel H. Roffo - CABA, Buenos Aires
Recruiting
Av. San Martín 5481, CABA, Buenos Aires
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