Study to Assess the Efficacy and Safety of Alpelisib Plus Fulvestrant in Participants With HR-postitive (HR+), HER2-negative, Advanced Breast Cancer After Treatment With a CDK4/6 Inhibitor and an Aromatase Inhibitor. — EPIK-B5

Breast Cancer Clinical Trial

Official title:
EPIK-B5: A Phase III, Randomized, Double-blind, Placebo-controlled Study of Alpelisib in Combination With Fulvestrant for Men and Postmenopausal Women With HR-positive, HER2-negative Advanced Breast Cancer With a PIK3CA Mutation, Who Progressed on or After Aromatase Inhibitor and a CDK4/6 Inhibitor

Status Recruiting

Clinical Trial Summary

The purpose of this study is to complement Study CBYL719C2301 (SOLAR-1) and obtain more comprehensive data on the efficacy and safety of alpelisib (BYL719) in combination with fulvestrant compared with placebo plus fulvestrant in men or postmenopausal women with HR-positive, HER2-negative advanced breast cancer with a PIK3CA mutation who progressed or relapsed on or after treatment with an AI plus a CDK4/6 inhibitor.

Clinical Trial Description

This is a Phase III, randomized, double-blind, placebo-controlled, international, multi-center trial. Approximately 234 men and postmenopausal women will be randomized to either alpelisib plus fulvestrant or alpelisib-matching placebo plus fulvestrant. Randomization will follow a 1:1 randomization ratio and be stratified by presence of lung and/or liver metastases (yes vs. no) and setting at last prior CDK4/6 inhibitor therapy (adjuvant vs metastatic). Study treatment with alpelisib plus fulvestrant or alpelisib-matching placebo plus fulvestrant will be initiated on Cycle 1 Day 1, and will continue until disease progression per RECIST v1.1 as per BIRC assessment, start of new antineoplastic therapy, death, lost to follow-up, or withdrawal of consent. A cycle is defined as 28 days. Participants randomized to the alpelisib-matching placebo plus fulvestrant arm who have disease progression per RECIST v1.1 as assessed by BIRC will have the option to crossover to be treated with alpelisib plus fulvestrant. Unblinding a single participant at a site will be permitted after disease progression confirmed by BIRC after discussion with the Novartis team to determine eligibility for cross-over to treatment with alpelisib plus fulvestrant. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05038735
Study type	Interventional
Source	Novartis
Contact	Novartis Pharmaceuticals
Phone	+41613241111
Email	novartis.email@novartis.com
Status	Recruiting
Phase	Phase 3
Start date	November 29, 2021
Completion date	August 23, 2027

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.