December 11, 2025

Oxigene <Full Version>

OXiGENE’s primary development programs were based on , natural products originally derived from the African bush willow tree. Drug Candidate Indication Current Status/Highlights CA4P (Fosbretabulin) Ovarian Cancer, Glioblastoma, Anaplastic Thyroid Cancer

Lead candidate; received and Orphan Drug designations for platinum-resistant ovarian cancer. OXi4503 Oxigene

OXiGENE, Inc. was a clinical-stage biopharmaceutical company that rebranded as in June 2016. The company specialized in developing Vascular Disrupting Agents (VDAs) designed to selectively dismantle blood vessels that sustain solid tumors and contribute to visual impairment. Corporate Evolution OXiGENE’s primary development programs were based on ,

A key Phase II trial showed that a combination of CA4P and Avastin significantly improved progression-free survival in ovarian cancer patients compared to Avastin alone. On June 20, 2016, OXiGENE officially became Mateon

On June 20, 2016, OXiGENE officially became Mateon Therapeutics (formerly NASDAQ: OXGN, now MATN).

The shift to Mateon Therapeutics reflected a broader focus on "Vascular Targeted Therapy" (VTT), which combines VDAs with anti-angiogenic agents to trap and destroy tumor cores while preventing new vessel growth. Historical Acquisitions: