drugset / Trial / NCT05759949

First-in-Human Study of RLY-5836 in Advanced Breast Cancer and Other Solid Tumors

NCT05759949

Phase 1 Completed 41 enrolled Relay Therapeutics, Inc.
Non-randomizedParallel-groupOpen-labelTreatment

Summary

This is a Phase 1, first-in-human, open-label study designed to evaluate the maximum tolerated dose (MTD), recommended phase 2 dose (RP2D), safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary anti-tumor activity of RLY-5836 in advanced solid tumors in participants harboring a PIK3CA mutation in blood and/or tumor per local assessment. The study consists of 2 parts, a dose escalation (Part 1) and a dose expansion (Part 2).

Timeline

Start
2023-03-29
Primary completion
2025-03-18
Completion
2025-04-11

Drugs

EvaluationDrugModalityDoseRoute
Subject Abemaciclib Small molecule 150 mg Oral
Subject Fulvestrant Small molecule 500 mg Intramuscular
Subject Palbociclib Small molecule 125 mg Oral
Subject RLY-5836 Unknown Oral
Subject Ribociclib Small molecule 600 mg Oral