Biotech Stock Intel
Catalyst CalendarPDUFA CalendarMover SignalsCompany Screener
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
AboutMethodologyTermsPrivacy
Biotech Stock Intel
Catalyst CalendarPDUFA CalendarMover SignalsCompany Screener
Home/Stocks/OLMA/Catalyst
Phase 3Data readout

OP-1250 (palazestrant) (CER antagonist)

Metastatic breast cancer, Cancer

OLMAOlema Pharmaceuticals
Expected catalystMarch 31, 2027Company guidance: Mar 31, 2027

Catalyst overview

Event details

Drug or asset
OP-1250 (palazestrant) (CER antagonist)
Development stage
Phase 3
Event type
Data readout
Indication
Metastatic breast cancer, Cancer
Research signalsBig moverHigh management interest

Research summary

What is being tracked?

This catalyst tracks a Phase 3 data readout for OP-1250 (palazestrant) (CER antagonist) in Metastatic breast cancer, Cancer. The expected timing is based on the latest available company guidance and may change.

Development notes

OPERA-01 trial. 12/5/23 Trial-in-progress poster presentation at SABCS '23. Clinical sites activated, enrolling w/ first patient dosed in Nov 2023. Trial-in-progress poster at ASCO '24. 5/13/25- Topline data in 2026. 11/10/25:- On track for OPERA-01 topline data in H2 2026. 03/16/26:- OPERA-01 Phase 3 monotherapy trial on track for topline data in fall 2026. 03/17/26:- Present AACR 2026 preclinical poster on palazestrant ER antagonism on April 20, 2026. 04/21/26:- FDA Fast Track designation noted for palazestrant in ER+/HER2- metastatic breast cancer. 05/12/26:- OPERA-01 Phase 3 monotherapy trial remains on track for topline data in fall 2026. 08/10/26:- OPERA-01 enrollment completed; topline data now expected Q1 2027.

Verification

Primary source

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

Open source

Company

Olema Pharmaceuticals

OLMA · NasdaqGS
Industry
Biotechnology
Pipeline assets
8
View OLMA research

BioPharma Pro

Track every date change

Watchlists, source history and catalyst alerts will be available with Pro.

Start free

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
AboutMethodologyTermsPrivacy