NCT03406104

Brief 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.

Trial Health

93
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
62

participants targeted

Target at below P25 for phase_3

Timeline
Completed

Started Jan 2018

Longer than P75 for phase_3

Geographic Reach
5 countries

7 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 9, 2018

Completed
6 days until next milestone

First Submitted

Initial submission to the registry

January 15, 2018

Completed
8 days until next milestone

First Posted

Study publicly available on registry

January 23, 2018

Completed
4.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 4, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 4, 2022

Completed
1.6 years until next milestone

Results Posted

Study results publicly available

January 25, 2024

Completed
Last Updated

March 2, 2026

Status Verified

February 1, 2026

Enrollment Period

4.5 years

First QC Date

January 15, 2018

Results QC Date

September 26, 2023

Last Update Submit

February 27, 2026

Conditions

Keywords

Heredity Optic AtrophyLeber Hereditary Optic AtrophyLeber Hereditary Optic NeuropathyLHONEye DiseasesHereditary Eye DiseasesInborn Genetic DiseaseGene TherapyIntravitreal InjectionsMitochondrial DiseaseAAV2 VectorsNervous System DiseasesNeurodegenerative DiseaseHeredodegenerative Disorders of the Nervous System

Outcome Measures

Primary Outcomes (1)

  • Ocular Adverse Events (AEs)

    Number of Eyes with Ocular Adverse events related to study treatment or study procedures as judged by the investigator reported from year 2 to year 5 post treatment

    from year 2 to year 5 post treatment

Secondary Outcomes (2)

  • Visual Acuity

    Nadir to 5 Years post-treatment, Assessed at Baseline in RESCUE and REVERSE studies to year 5 post-treatment

  • Responder Analysis: Clinically Relevant Recovery

    Nadir to 5 Years post-treatment, Assessed at Baseline in RESCUE and REVERSE studies to year 5 post-treatment

Other Outcomes (1)

  • Eyes on Chart

    Year 5 post-treatment

Study Arms (2)

GS010-treated Eyes

EXPERIMENTAL

Lenadogene nolparvovec Intravitreal ocular unilateral Injection Each participant will have one eye randomly selected to receive a single injection of GS010 and the other eye will receive a sham injection. GS010-treated Eyes: GS010 is a recombinant adeno-associated viral vector serotype 2 (rAAV2/2) containing the wild-type ND4 gene (rAAV2/2-ND4). Participants will receive a single dose of GS010 in one of their randomly selected eyes, via intravitreal injection containing 9E10 viral genomes in 90μL balanced salt solution (BSS) plus 0.001% Pluronic F68®.

Genetic: GS010

Sham-treated Eyes

SHAM COMPARATOR

Sham Intravitreal ocular unilateral Injection Each participant will have one eye randomly selected to receive GS010 and the other eye will receive a sham injection. Eyes receiving sham injection will undergo the same preparatory procedures as eyes receiving GS010 injection, including pupillary dilation, topical anti-infection and topical anesthetic procedures. Sham intravitreal injection will be performed by applying pressure to the eye at the location of a typical intravitreal injection procedure using the blunt end of a syringe without a needle.

Other: Sham Intravitreal Injection

Interventions

GS010GENETIC

Lenadogene nolparvovec Intravitreal ocular unilateral Injection

Also known as: Lenadogene Nolparvovec
GS010-treated Eyes

Lenadogene nolparvovec Intravitreal ocular unilateral Injection

Sham-treated Eyes

Eligibility Criteria

Age15 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Subject was treated with GS010 IVT injection in either of the RESCUE or REVERSE Phase III clinical studies
  • Subject of legal consent age has provided informed consent; subjects that are not of legal consent age have undergone their country-approved clinical trial enrollment consent process

You may not qualify if:

  • Subject is unwilling or unable to comply with the protocol requirements
  • Subject has any medical or psychological condition that, in the opinion of the Investigator, may compromise his or her safe participation in the study
  • Subject is taking or intending to take idebenone during the long-term follow-up study period

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (7)

Doheny Eye Center UCLA

Pasadena, California, 91105, United States

Location

Emory University Hospital

Atlanta, Georgia, 30322, United States

Location

Wills Eye Institute

Philadelphia, Pennsylvania, 19107, United States

Location

CHNO Les Quinze Vingts

Paris, 75012, France

Location

LMU Klinikum der Universität München / Friedrich-Baur-Institut

Munich, 80336, Germany

Location

Ospedale Bellaria

Bologna, 40139, Italy

Location

Moorfields Eye Hospital

London, Greater London, EC1V 2PD, United Kingdom

Location

Related Publications (3)

  • Yu-Wai-Man P, Newman NJ, Biousse V, Carelli V, Moster ML, Vignal-Clermont C, Klopstock T, Sadun AA, Sergott RC, Hage R, Degli Esposti S, La Morgia C, Priglinger C, Karanja R, Taiel M, Sahel JA; LHON Study Group. Five-Year Outcomes of Lenadogene Nolparvovec Gene Therapy in Leber Hereditary Optic Neuropathy. JAMA Ophthalmol. 2025 Feb 1;143(2):99-108. doi: 10.1001/jamaophthalmol.2024.5375.

  • Carelli V, Newman NJ, Yu-Wai-Man P, Biousse V, Moster ML, Subramanian PS, Vignal-Clermont C, Wang AG, Donahue SP, Leroy BP, Sergott RC, Klopstock T, Sadun AA, Rebolleda Fernandez G, Chwalisz BK, Banik R, Girmens JF, La Morgia C, DeBusk AA, Jurkute N, Priglinger C, Karanjia R, Josse C, Salzmann J, Montestruc F, Roux M, Taiel M, Sahel JA; the LHON Study Group. Indirect Comparison of Lenadogene Nolparvovec Gene Therapy Versus Natural History in Patients with Leber Hereditary Optic Neuropathy Carrying the m.11778G>A MT-ND4 Mutation. Ophthalmol Ther. 2023 Feb;12(1):401-429. doi: 10.1007/s40123-022-00611-x. Epub 2022 Nov 30.

  • Newman NJ, Yu-Wai-Man P, Carelli V, Biousse V, Moster ML, Vignal-Clermont C, Sergott RC, Klopstock T, Sadun AA, Girmens JF, La Morgia C, DeBusk AA, Jurkute N, Priglinger C, Karanjia R, Josse C, Salzmann J, Montestruc F, Roux M, Taiel M, Sahel JA. Intravitreal Gene Therapy vs. Natural History in Patients With Leber Hereditary Optic Neuropathy Carrying the m.11778G>A ND4 Mutation: Systematic Review and Indirect Comparison. Front Neurol. 2021 May 24;12:662838. doi: 10.3389/fneur.2021.662838. eCollection 2021.

MeSH Terms

Conditions

Optic Atrophy, Hereditary, LeberEye DiseasesEye Diseases, HereditaryGenetic Diseases, InbornMitochondrial DiseasesNervous System DiseasesNeurodegenerative Diseases

Interventions

salicylhydroxamic acid

Condition Hierarchy (Ancestors)

Optic Atrophies, HereditaryOptic AtrophyOptic Nerve DiseasesCranial Nerve DiseasesHeredodegenerative Disorders, Nervous SystemCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesMetabolic DiseasesNutritional and Metabolic Diseases

Results Point of Contact

Title
Magali TAIEL Chief Medical Officer
Organization
Gensight Biologics

Study Officials

  • Nancy Newman, MD

    Emory University Hospital Atlanta, Georgia, United States, 30322

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: intra patient comparaison
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 15, 2018

First Posted

January 23, 2018

Study Start

January 9, 2018

Primary Completion

July 4, 2022

Study Completion

July 4, 2022

Last Updated

March 2, 2026

Results First Posted

January 25, 2024

Record last verified: 2026-02

Locations