CytomX Therapeutics Provides Update on CX-2051 Phase 1 Study Enrollment

CTMX
October 05, 2025

CytomX Therapeutics provided an update on its CX-2051 Phase 1 study, stating that the CTMX-2051-101 study has enrolled 73 colorectal cancer patients to date. This update was issued to address recent social media posts regarding the program.

The company confirmed that Phase 1 enrollment for CX-2051 is substantially complete. CytomX remains on track to provide a data update for the CX-2051 program in the first quarter of 2026.

Patients continue to be dosed with CX-2051 across all expansion doses, underscoring the ongoing progress and commitment to advancing this lead program for the treatment of colorectal cancer. Patient safety remains a top priority for the company.

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