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Phase 1Data readout

XmAb819 (ENPP3 x CD3)

Clear cell renal cell carcinoma (ccRCC)

XNCRXencor Inc
Expected catalystDecember 31, 2026Company guidance: Dec 31, 2026

Catalyst overview

Event details

Drug or asset
XmAb819 (ENPP3 x CD3)
Development stage
Phase 1
Event type
Data readout
Indication
Clear cell renal cell carcinoma (ccRCC)
Research signalsHigh management interest

Research summary

What is being tracked?

This catalyst tracks a Phase 1 data readout for XmAb819 (ENPP3 x CD3) in Clear cell renal cell carcinoma (ccRCC). The expected timing is based on the latest available company guidance and may change.

Development notes

9/9/24- Encouraging clinical activity in Ph1. 10/24/25- Presented dose-escalation results AACR-NCI-EORTC'25. 11/05/25:- Ph1 dose-escalation and first expansion cohort ongoing; plan Phase 3 dose selection in 2026, pivotal study 2027. 01/08/26:- Ph1 showed 25% PR rate, 70% disease control; new RP3D-supporting data planned in H2 2026. 02/26/26:- Dose expansion in CRC, NSCLC and pRCC enrolling; plan Ph1 data supporting RP3D in H2 2026. 05/06/26:- Expansion cohort data in ccRCC to be presented 2H26; TKI-naive ccRCC sub-study initiation planned 3Q26. 08/05/26:- ESMO 2026 oral data planned; new sub-studies are enrolling or planned.

Verification

Primary source

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

Open source

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Company

Xencor Inc

XNCR · NasdaqGM
Industry
Biotechnology
Pipeline assets
19
View XNCR 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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