A Phase 1/2/3, Open-Label, Dose Escalation, Dose Expansion, and Randomized, Controlled Study to Evaluate the Safety and Efficacy of ATSN-201 Gene Therapy in Subjects with RS1-Associated X-linked Retinoschisis (LIGHTHOUSE)

Long title

A Phase 1/2/3, Open-Label, Dose Escalation, Dose Expansion, and Randomized, Controlled Study to Evaluate the Safety and Efficacy of ATSN-201 Gene Therapy in Subjects with RS1-Associated X-linked Retinoschisis (LIGHTHOUSE)

Date receipt dossier

EU record number

B/BE/26/BVW4

EudraCT number

2026-525886-38-00

Company / Sponsor

ASTENA Therapeutics

Phase

I/II/III

Treated organism

Humans

Indication category

Eye degenerative disease

Disease

RS1-Associated X-linked Retinoschisis

Therapeutic approach

Gene therapy

Genetic modification

Non-replicating recombinant vector derived from adeno-associated virus AAV44.9 carrying functional copies of the human retinoschisin (hRS1) gene.

Method of transfer of nucleic acid of interest

Non-replicating recombinant vector derived from adeno-associated virus AAV44.9

Administered biological material

Genetically modified virus

Route of administration

Subretinal

Locations in Belgium

UZ Gent

Nr of subjects

Up to 106 patients overall and 6 patients in Belgium

Foreseen duration

From 25th October 2026 to 25th September 2033

Type of procedure

Contained use and Deliberate release

Current status

Assessed

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