Long-term Safety and Efficacy Follow-up of BIIB111 for the Treatment of Choroideremia and BIIB112 for the Treatment of X-Linked Retinitis Pigmentosa

Study Summary

The objective of the study is to evaluate the long-term safety and efficacy of a sub-retinal injection of BIIB111 in participants with Choroideremia (CHM) who have been previously treated with BIIB111 and who have exited an antecedent study; these treated participants will be compared with untreated control participants who have exited the STAR (NCT03496012) study and BIIB112 in participants with X-linked retinitis pigmentosa (XLRP) who have been previously treated with BIIB112 and who have exited an antecedent study.

Conditions

Choroideremia X-Linked Retinitis Pigmentosa

Interventions / Drugs

BIIB111 BIIB112

View on ClinicalTrials.gov ↗

Sponsor

Study Details

Enrollment330 participants

Primary Completion—

Lead SponsorNightstaRx Ltd, a Biogen Company

Data Retrieved2026-04-11 02:55:21.687185+00:00

Not financial advice. BiotechSigns data is sourced from ClinicalTrials.gov, SEC EDGAR, and other public databases for research and informational purposes only. It does not constitute investment recommendations. Always do your own due diligence before making investment decisions.