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Botensilimab (Fc-enhanced anti-CTLA-4), Balstilimab (PD-1 inhibitor)

Botensilimab ± Balstilimab in Patients with Advanced Cutaneous Melanoma Refractory/Resistant to Anti–PD-(L)1 ± CTLA-4: A Phase 2 Trial

May 31, 2026

,

Atkins, M. et al.

ASCO

Phase II Trial

Melanoma

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Agenus Announces Oversubscribed Private Placement of Up to $340 Million to Advance Registrational ROBBIN Trial of Neoadjuvant BOT+BAL in MSS Colon Cancer

Agenus Announces Oversubscribed Private Placement of Up to $340 Million to Advance Registrational ROBBIN Trial of Neoadjuvant BOT+BAL in MSS Colon Cancer

Agenus Announces Oversubscribed Private Placement of Up to $340 Million to Advance Registrational ROBBIN Trial of Neoadjuvant BOT+BAL in MSS Colon Cancer

Agenus Announces Oversubscribed Private Placement of Up to $340 Million to Advance Registrational ROBBIN Trial of Neoadjuvant BOT+BAL in MSS Colon Cancer

Agenus Announces Oversubscribed Private Placement of Up to $340 Million to Advance Registrational ROBBIN Trial of Neoadjuvant BOT+BAL in MSS Colon Cancer

Agenus Announces Oversubscribed Private Placement of Up to $340 Million to Advance Registrational ROBBIN Trial of Neoadjuvant BOT+BAL in MSS Colon Cancer

Agenus Announces Oversubscribed Private Placement of Up to $340 Million to Advance Registrational ROBBIN Trial of Neoadjuvant BOT+BAL in MSS Colon Cancer

Agenus Announces Oversubscribed Private Placement of Up to $340 Million to Advance Registrational ROBBIN Trial of Neoadjuvant BOT+BAL in MSS Colon Cancer

Agenus Announces Oversubscribed Private Placement of Up to $340 Million to Advance Registrational ROBBIN Trial of Neoadjuvant BOT+BAL in MSS Colon Cancer

Agenus Announces Oversubscribed Private Placement of Up to $340 Million to Advance Registrational ROBBIN Trial of Neoadjuvant BOT+BAL in MSS Colon Cancer

Publishing the Frontiers of Immuno-Oncology

Botensilimab ± Balstilimab in Patients with Advanced Cutaneous Melanoma Refractory/Resistant to Anti–PD-(L)1 ± CTLA-4: A Phase 2 Trial

Botensilimab, an Fc-Enhanced Anti-CTLA-4 Antibody, Is Effective against Tumors Poorly Responsive to Conventional Immunotherapy

Fc-Enhanced Anti-CTLA-4 Antibody, Botensilimab, Enhances the Efficacy of Multiple Therapeutic Modalities in Immunotherapy-Refractory Tumor Models

Preclinical Dose-Pharmacokinetic-Efficacy Modeling of Botensilimab Using a Mouse Surrogate of the Fc-Enhanced Anti-CTLA-4 Antibody

AGEN1721, a First-in-Class FC-Enhanced Bifunctional Antibody Targeting FAP and TGFB, Remodels the Tumor Microenvironment to Overcome Cancer-Associated Fibroblast-Mediated Immune Suppression