CytomX Therapeutics to Present CX-801 Phase 1 Monotherapy Biomarker Data at the Society for Immunotherapy of Cancer (SITC) Annual Meeting

CX-801 (PROBODY® interferon alpha-2b) Phase 1 data demonstrate activation of tumor-selective interferon signaling in patients with advanced melanoma - - Data supportive of CX-801’s mechanism of action and the ongoing Phase 1 combination study with KEYTRUDA® (pembrolizumab) - SOUTH SAN FRANCISCO, Calif., Nov. 04, 2025 (GLOBE NEWSWIRE) -- CytomX Therapeutics, Inc. (Nasdaq: CTMX), a leader in the field of masked, conditionally activated biologics, today announced that initial translational data from the ong ...