Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+/HER2- Breast Cancer

Last updated:
2026-08-08
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View trial details

Overview

Official protocol title:

A PHASE 3 OPEN-LABEL RANDOMIZED STUDY ASSESSING THE EFFICACY AND SAFETY OF RLY-2608 + FULVESTRANT VERSUS CAPIVASERTIB + FULVESTRANT AS TREATMENT FOR PIK3CA-MUTANT HORMONE RECEPTOR POSITIVE, HUMAN EPIDERMAL GROWTH FACTOR RECEPTOR 2 NEGATIVE (HR+/HER2-) LOCALLY ADVANCED OR METASTATIC BREAST CANCER FOLLOWING RECURRENCE OR PROGRESSION ON OR AFTER TREATMENT WITH A CDK4/6 INHIBITOR

Intervention/treatment:
ZOVEGALISIB (RLY-2608) / FULVESTRANT / CAPIVASERTIB
Medical condition:
BREAST CANCER
Protocol code:
RLY-2608-102
Control number:
299394
Status:
Recruiting
Approved:
August 01, 2025
Trial phase:
Phase 3
For more information:
ClinicalTrials.gov - NCT06982521
This is an external link. The information is not authorized by the Government of Canada.

Eligibility

Sex: ALL
Age
18 Years and older
Accepts healthy volunteers: No

Contacts and locations

Contact
Name
Relay Therapeutics, Inc
Role
CONTACT
Phone:
617-322-0731
Sponsor
RELAY THERAPEUTICS, INC.

Locations

Ontario

Sunnybrook Research Institute
Toronto, Ontario, M4N 3M5
Recruiting
The Ottawa Hospital Cancer Centre
Ottawa, Ontario, K1H8L6
Recruiting
William Osler Health System- Brampton Civic Hospital
Brampton, Ontario, L6R 3J7
Recruiting

Quebec

Jewish General Hospital
Montreal, Quebec, H3T 1E2
Recruiting

Saskatchewan

Saskatoon Cancer Centre
Saskatoon, Saskatchewan, S7N 4H4
Recruiting
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