RESCUE and REVERSE Long-term Follow-up — RESTORE  

Leber Hereditary Optic Neuropathy Clinical Trial

Official title: Long-term Follow-up of ND4 LHON Subjects Treated With GS010 Ocular Gene Therapy in the RESCUE or REVERSE Phase III Clinical Trials (RESTORE)

Status Completed

Clinical Trial Summary

The goal of this clinical trial is to assess the long-term safety and efficacy of GS010, a gene therapy, and assess the quality of life in subjects with LHON due to the G11778A ND4 mitochondrial mutation and who were treated in the Rescue or Reverse studies.

Clinical Trial Description

Seven investigational centers from the RESCUE and REVERSE studies also participated in the RESTORE study, located in the European union and in the USA.

Primary objectives: to assess the long term safety of intravitreal injection up to 5 years of post treatment in subjects who were treated in the RESCUE or REVERSE studies.

Secondary objectives: (1) to assess the long-term efficacy of intravitreal GS010 administration up to 5 years post-treatment in subjects who were treated in the RESCUE or REVERSE studies; and (2) to assess the quality of life (QoL) in subjects who were treated with GS010 in the RESCUE or REVERSE studies for up to 5 years post-treatment.

Methodology: This was a Phase III prospective long-term follow-up (LTFU) clinical study of subjects previously treated with GS010 and Sham during 2 Phase III studies-RESCUE and REVERSE. The LTFU study followed subjects for an additional 3 years, for a total of 5 years post-injection. The LTFU study included 5 visits at 2, 2.5, 3, 4, and 5 years after the investigational medicinal product (IMP) injection. Safety, efficacy, and QoL variables were assessed during each of the 5 LTFU visits, and descriptive summaries and statistical testing were used for the analysis of the data.

This report presents the final analysis of results at Year 5 after treatment administration in RESCUE and REVERSE.

Number of analysed subjects: all subjects completing RECUE and REVERSE studies who provided consent for the RESTORE study: 62 subjects. ;

Related Conditions & MeSH terms

• Leber Hereditary Optic Neuropathy
• Optic Atrophy, Hereditary, Leber
• Optic Nerve Diseases

• NCT number: NCT03406104
• Study type: Interventional
• Source: GenSight Biologics
• Status: Completed
• Phase: Phase 3
• Start date: January 9, 2018
• Completion date: July 4, 2022