08.24.2026
Oculis Doses First Patient in Phase 3 PIONEER-1 Trial of Privosegtor for Optic Neuritis
Oculis announced that the first patient has been treated in the PIONEER-1 registrational trial evaluating Privosegtor for acute-onset optic neuritis, marking the start of the company’s late-stage clinical program for the investigational neuroprotective therapy. PIONEER-1 is the first of 2 registrational studies in Oculis’ PIONEER program, or "Privosegtor Investigation in Optic Neuropathies Efficacy Evaluation Research." The trial is enrolling a broad population of patients with acute-onset optic neuritis, including those with and without multiple sclerosis (MS).