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Report for Clinical Trial NCT02796274

Developed by Shray Alag, 2020.
SNP Clinical Trial Gene

Historical Case Record Survey of Visual Acuity Data From Patients With Leber's Hereditary Optic Neuropathy (LHON)

The purpose of this survey is to collect visual acuity data from patients with LHON in order to establish the clinical course (natural history) and visual acuity outcomes in patients with a genetically confirmed diagnosis of LHON. In addition, this survey will generate data that will serve as comparator for the open-label study SNT-IV-006.

NCT02796274 Leber's Hereditary Optic Neuropathy (LHON)
MeSH: Optic Nerve Diseases Optic Atrophy, Hereditary, Leber
HPO: Leber optic atrophy


Primary Outcomes

Description: Clinically Relevant Recovery (CRR) is defined as a VA improvement from off-chart (ETDRS) to 5 letters on-chart, or an on-chart improvement of 10 letters.

Measure: In Eyes With VA Assessment Made ≤1 Year After Onset of Symptoms: Proportion of Eyes With Clinically Relevant Recovery (CRR) of VA (Measured by Change in ETDRS Letters) From Baseline (BL) or in Which BL VA Better Than 1.0 logMAR Was Maintained at 12 Months

Time: 12 months

Time Perspective: Retrospective

Case-Only


There are 3 SNPs

SNPs


1 G11778A

Clinically Relevant Recovery (CRR) is defined as a VA improvement from off-chart (ETDRS) to 5 letters on-chart, or an on-chart improvement of 10 letters.. Inclusion Criteria: 1. age ≥ 12 years 2. the onset of symptoms is dated after 1999 and is well documented (at least month of onset of symptoms is known for each eye) 3. at least two VA assessments are available within 5 years of onset of symptoms and prior to idebenone use 4. have a genetic diagnosis for LHON for one of the following mitochondrial DNA (mtDNA) mutations: G11778A, G3460A, T14484C Exclusion Criteria: 1. any participation in an interventional clinical trial after the onset of symptoms 2. any other cause of visual impairment (e.g. --- G11778A ---

glaucoma, diabetic retinopathy, AIDS related visual impairment, cataract, macular degeneration, etc.) or any active ocular disorder (uveitis, infections, inflammatory retinal disease, thyroid eye disease, etc.) during the data collection period Inclusion Criteria: 1. age ≥ 12 years 2. the onset of symptoms is dated after 1999 and is well documented (at least month of onset of symptoms is known for each eye) 3. at least two VA assessments are available within 5 years of onset of symptoms and prior to idebenone use 4. have a genetic diagnosis for LHON for one of the following mitochondrial DNA (mtDNA) mutations: G11778A, G3460A, T14484C Exclusion Criteria: 1. any participation in an interventional clinical trial after the onset of symptoms 2. any other cause of visual impairment (e.g. --- G11778A ---


2 G3460A

Clinically Relevant Recovery (CRR) is defined as a VA improvement from off-chart (ETDRS) to 5 letters on-chart, or an on-chart improvement of 10 letters.. Inclusion Criteria: 1. age ≥ 12 years 2. the onset of symptoms is dated after 1999 and is well documented (at least month of onset of symptoms is known for each eye) 3. at least two VA assessments are available within 5 years of onset of symptoms and prior to idebenone use 4. have a genetic diagnosis for LHON for one of the following mitochondrial DNA (mtDNA) mutations: G11778A, G3460A, T14484C Exclusion Criteria: 1. any participation in an interventional clinical trial after the onset of symptoms 2. any other cause of visual impairment (e.g. --- G11778A --- --- G3460A ---

glaucoma, diabetic retinopathy, AIDS related visual impairment, cataract, macular degeneration, etc.) or any active ocular disorder (uveitis, infections, inflammatory retinal disease, thyroid eye disease, etc.) during the data collection period Inclusion Criteria: 1. age ≥ 12 years 2. the onset of symptoms is dated after 1999 and is well documented (at least month of onset of symptoms is known for each eye) 3. at least two VA assessments are available within 5 years of onset of symptoms and prior to idebenone use 4. have a genetic diagnosis for LHON for one of the following mitochondrial DNA (mtDNA) mutations: G11778A, G3460A, T14484C Exclusion Criteria: 1. any participation in an interventional clinical trial after the onset of symptoms 2. any other cause of visual impairment (e.g. --- G11778A --- --- G3460A ---


3 T14484C

Clinically Relevant Recovery (CRR) is defined as a VA improvement from off-chart (ETDRS) to 5 letters on-chart, or an on-chart improvement of 10 letters.. Inclusion Criteria: 1. age ≥ 12 years 2. the onset of symptoms is dated after 1999 and is well documented (at least month of onset of symptoms is known for each eye) 3. at least two VA assessments are available within 5 years of onset of symptoms and prior to idebenone use 4. have a genetic diagnosis for LHON for one of the following mitochondrial DNA (mtDNA) mutations: G11778A, G3460A, T14484C Exclusion Criteria: 1. any participation in an interventional clinical trial after the onset of symptoms 2. any other cause of visual impairment (e.g. --- G11778A --- --- G3460A --- --- T14484C ---

glaucoma, diabetic retinopathy, AIDS related visual impairment, cataract, macular degeneration, etc.) or any active ocular disorder (uveitis, infections, inflammatory retinal disease, thyroid eye disease, etc.) during the data collection period Inclusion Criteria: 1. age ≥ 12 years 2. the onset of symptoms is dated after 1999 and is well documented (at least month of onset of symptoms is known for each eye) 3. at least two VA assessments are available within 5 years of onset of symptoms and prior to idebenone use 4. have a genetic diagnosis for LHON for one of the following mitochondrial DNA (mtDNA) mutations: G11778A, G3460A, T14484C Exclusion Criteria: 1. any participation in an interventional clinical trial after the onset of symptoms 2. any other cause of visual impairment (e.g. --- G11778A --- --- G3460A --- --- T14484C ---



HPO Nodes


HPO:
Leber optic atrophy
Genes 11
ND2 ATP6 ND4L ND5 CYTB ND1 TBC1D24 ND4 CPLX1 ND6 COX3