Antharis Therapeutics, Inc.
Biotechnology ResearchCalifornia, United States11-50 Employees
Antharis Therapeutics, Inc. is a biotechnology company focused on developing new treatments for cancer and inflammatory diseases, leveraging antibody-based therapeutics to address unmet medical needs. The company, based in Vista, California, was founded in 2020 by Dr. Raphael R Pinaud and has expanded its capabilities through acquisitions of Cassyni Biopharma in 2022 and Galileo Biotech in 2023 to accelerate its mission. It maintains a broad pipeline and aims to advance several assets into clinical trials in 2025. In June 2026, Antharis announced a licensing collaboration with Lonza to develop novel dual-payload antibody-drug conjugates targeting gastrointestinal cancers, signaling an external partner-based path for its platform. Positioned in the biotechnology research industry, Antharis operates as a multinational company pursuing therapies that aim to improve outcomes for patients with cancer and inflammatory diseases.