Usher's Syndrome research hub

A Study to Determine the Long-Term Safety, Tolerability and Biological Activity of SAR421869 in Patients With Usher Syndrome Type 1B

This study is checking the long-term safety and effects of a treatment called SAR421869 for people with Usher syndrome Type 1B. It's for those who previously received this treatment in another study, lasting up to 15 years.