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Phase 1/2Data readout

RLY-2608 + fulvestrant + ribociclib (triplet)

Cancer, 1L PI3Kα- mutated, HR+, HER2- metastatic breast cancer

RLAYRelay Therapeutics
Expected catalystDecember 31, 2026Company guidance: Dec 31, 2026

Catalyst overview

Event details

Drug or asset
RLY-2608 + fulvestrant + ribociclib (triplet)
Development stage
Phase 1/2
Event type
Data readout
Indication
Cancer, 1L PI3Kα- mutated, HR+, HER2- metastatic breast cancer

Research summary

What is being tracked?

This catalyst tracks a Phase 1/2 data readout for RLY-2608 + fulvestrant + ribociclib (triplet) in Cancer, 1L PI3Kα- mutated, HR+, HER2- metastatic breast cancer. The expected timing is based on the latest available company guidance and may change.

Development notes

ReDiscover trial. 2/22/24- Trial initiated. 11/06/25:- Trial ongoing. 12/12/25:- ReDiscover Ph1/2 triplet cohorts continue dose escalation to select regimen for potential frontline metastatic breast cancer trial. 02/26/26:- Triplet zovegalisib cohorts will report clinical data and frontline Ph3 design details during 2026. 05/05/26:- PR No update. 08/06/26:- PR No update.

Verification

Primary source

Confirm timing and program details against the company announcement or filing.

Source URL not provided

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Phase 1/2

RLY-2608 + fulvestrant (doublet)

Cancer, 2L PI3Kα-mutated, HR+/HER2- locally advanced or metastatic breast cancer

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Company

Relay Therapeutics

RLAY · NasdaqGM
Industry
Biotechnology
Pipeline assets
8
View RLAY research

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Updated Aug 23, 2026. Dates can change; this is not investment advice.

Disclaimer: Biotech Stock Intel is an independent research platform. Information is provided for informational purposes only and is not investment or medical advice. Always verify catalyst dates against primary sources and conduct your own research.
Biotech Stock Intel© 2026 Biotech Stock Intel
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