CytomX Therapeutics
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CytomX Therapeutics (CTMX) investor relations material

CytomX Therapeutics 44th Annual J.P. Morgan Healthcare Conference summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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44th Annual J.P. Morgan Healthcare Conference summary14 Jan, 2026

Strategic Focus and Platform Overview

  • Emphasis on advances in oncology using the Probody/PROBODY® therapeutic platform, aiming for improved safety and efficacy in cancer treatment.

  • Integrated R&D capabilities, focused product development, and broad applicability across multiple tumor types and modalities.

  • Strong business development partnerships with major pharmaceutical companies, including Bristol Myers Squibb, Amgen, Astellas, Regeneron, and Moderna.

  • Robust cash position with a runway funded into Q2 2027, not including potential milestone payments or new business development.

Vaseta M / Varsetatug masetecan (EpCAM-targeting ADC) Clinical Progress

  • Phase I study expanded to over 100 patients, with a data update expected by end of Q1 2026.

  • Interim results in late-line metastatic colorectal cancer showed a 28% confirmed overall response rate, 94% disease control, and 5.8 months progression-free survival.

  • Favorable safety profile with no classic EpCAM toxicities, no dose-limiting toxicities, and manageable adverse events; main concern is grade 3 diarrhea, addressed with prophylaxis.

  • Combination study with bevacizumab to start in Q1 2026, targeting earlier lines of therapy and additional tumor types.

  • Positioned as a first-in-class ADC for a broad EpCAM+ patient population, with potential expansion beyond CRC and a large market opportunity.

CX801 (Probody/PROBODY® IFNα-2b) Development

  • Designed to localize interferon activity to tumors, reducing systemic toxicity and enhancing immune response.

  • Early clinical data show strong induction of interferon-regulated genes and T-cell recruitment in melanoma.

  • No dose-limiting toxicities observed in initial dose escalation; combination with Keytruda/KEYTRUDA® underway.

  • Initial biomarker data in 2025 and combination data with Keytruda expected by end of 2026.

  • Aims to address high unmet need in PD-1 refractory melanoma and has potential for broad application in post-immunotherapy solid tumors.

Varseta-M diarrhea prophylaxis impact
CX-801 combination strategy beyond melanoma
Varseta-M registrational dose selection
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Frequently asked questions

CytomX Therapeutics, Inc. is a clinical-stage biopharmaceutical company focused on developing novel cancer treatments. The company utilizes its proprietary Probody® platform to create antibody-based therapies that target cancer cells while minimizing damage to healthy tissues. CytomX’s approach aims to improve the safety and effectiveness of existing cancer therapies by activating its drugs only in the tumor microenvironment. The company's development pipeline includes therapeutic candidates designed for a variety of cancers, with the goal of addressing unmet medical needs in oncology. The company is headquartered in South San Francisco, California, and its shares are listed on the NASDAQ.

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