Ocugen, Inc. Announces Positive Scientific Advice from the European Medicines Agency Related to the Approval Pathway for OCU410ST—Modifier Gene Therapy for Stargardt Disease

Excerpt from the Press Release:

MALVERN, Pa., Aug. 13, 2025 (GLOBE NEWSWIRE) — Ocugen, Inc. (Ocugen or the Company) (NASDAQ: OCGN), a pioneering biotechnology leader in gene therapies for blindness diseases, today announced that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) reviewed the study design, endpoints and planned statistical analysis of the ongoing pivotal confirmatory OCU410ST Phase 2/3 GARDian3 clinical trial for Stargardt disease and provided acceptability of a single U.S.-based trial for submission of a Marketing Authorization Application (MAA).

EMA provided this opinion based on safety and tolerability that OCU410ST demonstrated in the Phase 1 GARDian trial, including 48% slower lesion growth and statistically significant (p=0.031) and clinically meaningful improvement of nearly 2-line/9-letter gain in best corrected visual acuity (BCVA) at 12-month follow-up in evaluable treated eyes compared to untreated eyes. The Phase 2/3 study will enroll 51 participants diagnosed with Stargardt disease. Of these, 34 will receive a one-time subretinal injection of OCU410ST (200 μL at a concentration of 1.5 × 10¹¹ vector genomes/mL) in the eye with poorer visual acuity, while 17 will be assigned to an untreated control group. The unique adaptive design of this trial includes a masked interim analysis of 24 subjects in the study (16 in treatment group and 8 in control group) at 8 months. The primary objective of the trial is to evaluate the reduction in atrophic lesion size. Key secondary endpoints include improvements in BCVA and low luminance visual acuity (LLVA), compared to controls. Data from the one-year follow-up will be used to support the Company’s planned Biologics License Application (BLA) and MAA in the EU.

“This positive opinion endorses a single trial as the basis for both BLA and MAA submissions and brings us closer to providing a one-time, modifier gene therapy to approximately 100,000 Stargardt patients in the U.S. and Europe combined,” said Dr. Shankar Musunuri, Chairman, CEO, and Co-founder of Ocugen. “We are very encouraged about the prospect of addressing the unmet medical need that exists for these patients who currently have no approved treatment options available to them.”

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