Aldeyra Therapeutics receives fast track designation for ADX‑2191 for the treatment of retinitis pigmentosa

Aldeyra Therapeutics

19 August 2025 - 025-- Aldeyra Therapeutics today announced that the US FDA has granted fast track designation for ADX-2191 (methotrexate intravitreal injection, USP) for the treatment of retinitis pigmentosa.

The potential activity of ADX-2191 in retinitis pigmentosa is supported by results from a Phase 2 clinical trial, announced in 2023, which demonstrated improvements from baseline in retinal sensitivity following treatment.

Read Aldeyra Therapeutics press release

Michael Wonder

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Michael Wonder

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Medicine , US , Fast track