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Phase 1aData readout

CX-801 +/- KEYTRUDA

Cancer, Solid tumor/s, Melanoma

CTMXCytomX Therapeutics
Expected catalystJune 30, 2027Company guidance: Jun 30, 2027

Catalyst overview

Event details

Drug or asset
CX-801 +/- KEYTRUDA
Development stage
Phase 1a
Event type
Data readout
Indication
Cancer, Solid tumor/s, Melanoma

Research summary

What is being tracked?

This catalyst tracks a Phase 1a data readout for CX-801 +/- KEYTRUDA in Cancer, Solid tumor/s, Melanoma. The expected timing is based on the latest available company guidance and may change.

Development notes

In collab w/ MRK. 1/24/24- IND cleared. 1/6/25- Dose escalation ongoing. 11/06/25:- Ph1 mono biomarkers positive, combo data in 2026. 11/8/25– Monotx biomarker data at SITC'25. 01/08/26:- CX-801 Ph1 monotherapy escalation reached fourth dose, well tolerated. Keytruda combo escalation ongoing; initial data expected end 2026. 03/16/26:- CX-801 Keytruda combo enrolling 2nd dose; first combo data expected end 2026.05/07/26:- CX-801 monotherapy tolerated beyond approved IFNα2b; combo now at third dose level, initial Keytruda data expected end 2026. 08/06/26:- Combo cleared third dose. Initial Keytruda combo data now expected H1 2027.

Verification

Primary source

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

Open source

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Company

CytomX Therapeutics

CTMX · NasdaqGS
Industry
Biotechnology
Pipeline assets
11
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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
AboutMethodologyTermsPrivacy