Evidence map›Paper›PMID 32714643›Full record

ArticleTranslational vision science & technology2020

Perspectives on Gene Therapy: Choroideremia Represents a Challenging Model for the Treatment of Other Inherited Retinal Degenerations.

Ian M MacDonald, Christopher Moen, Jacque L Duncan, Stephen H Tsang, Jasmina Cehajic-Kapetanovic, Tomas S Aleman

Open access · goldAbstract read
In one paragraph

Article in Translational vision science & technology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
0.8field-weighted citation impact, top 31% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed, 20 citations in OpenAlex.

  1. Genetic Analysis of Choroideremia-Related Rab Escort Proteins.International journal of molecular sciences · 2025
    Article
  2. Robotising vitreoretinal surgeries.Eye (London, England) · 2025
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 5 institutions in 3 countries.

Ian M MacDonaldDepartment of Ophthalmology and Visual Sciences, University of Alberta, Edmonton, Canada.
Christopher MoenChoroideremia Research Foundation, Springfield, MA, USA.
Jacque L DuncanDepartment of Ophthalmology, University of California, San Francisco, San Francisco, CA, USA.
Stephen H TsangJonas Children's Vision Care, Columbia Stem Cell Initiative, Departments of Ophthalmology, Pathology, and Cell Biology, Institute of Human Nutrition, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA.
Jasmina Cehajic-KapetanovicDepartment of Ophthalmology, Oxford University, Oxford, UK.
Tomas S AlemanCenter for Advanced Research and Ocular Therapeutics, Scheie Eye Institute at the Perelman Center for Advanced Medicine, Department of Ophthalmology, University of Pennsylvania, Philadelphia, PA, USA.
NewYork–Presbyterian Hospital · USPenn Presbyterian Medical Center · USUniversity of Alberta · CAUniversity of California, San Francisco · USUniversity of Oxford · GB

Funding

Tumor Biology and Microenvironment ProgramP30CA013696 · NCI · COLUMBIA UNIV NEW YORK MORNINGSIDE · PI Parisa Tehranifar · 1985 to 2026
$115.3M
Instrumentation, Fabrication, and Design CoreP30EY019007 · NEI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI Xin Zhang · 2010 to 2026
$12.9M
Translational Gene Therapy for CNGB1 Retinitis PigmentosaR24EY027285 · NEI · MICHIGAN STATE UNIVERSITY · PI HAUSWIRTH, WILLIAM W, MICHALAKIS, STYLIANOS · 2018 to 2022
$8.6M
Toward mechanism- and gene-based therapies for retinal degenerationR01EY018213 · NEI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI Stephen H Tsang · 2008 to 2026
$6.6M
Gene Silencing and Gene Editing in PhototransductionR01EY024698 · NEI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI Stephen H Tsang · 2015 to 2026
$4.7M
Mechanistic Studies on Regenerative Medicine Approaches to Childhood BlindnessR01EY026682 · NEI · UNIVERSITY OF IOWA · PI BASSUK, ALEXANDER G, MAHAJAN, VINIT B · 2016 to 2019
$1.6M
Precision genome surgery in autologous stem cell transplantU01EY030580 · NEI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI SPARROW, JANET RUTHE, TSANG, STEPHEN H · 2019 to 2020
$810k
Evaluating GWAS AMD Candidate Loci by Gene Editing in Human iPS CellsR21AG050437 · NIA · UNIVERSITY OF IOWA · PI BASSUK, ALEXANDER G, MAHAJAN, VINIT B · 2015 to 2016
$431k
Medical Research Council G1000268NCI NIH HHS P30 CA013696NEI NIH HHS P30 EY019007NEI NIH HHS R01 EY018213NEI NIH HHS R01 EY024698NEI NIH HHS R01 EY026682NEI NIH HHS R24 EY027285NEI NIH HHS U01 EY030580NIA NIH HHS R21 AG050437
6 · The paper itself

Abstract

Purpose: To report combined viewpoints on ocular gene therapy from a select group of clinician scientists and a patient advocacy group. Methods: With the support of Randy Wheelock and Dr. Chris Moen from the Choroideremia Research Foundation (CRF), a special interest group at the 2019 Annual meeting of the Association for Research in Vision and Ophthalmology in Vancouver, Canada, shared their knowledge, experience, concepts, and ideas and provided a forum to discuss therapeutic strategies for the treatment of inherited retinal disorders, using experience in choroideremia (CHM) as a model. Results: A member of the CRF presented the patient perspective and role in clinical trials. Five clinician scientists presented reasons for limited long-term visual improvement in many gene therapy trials, including challenges with dose, incomplete understanding of photoreceptor metabolism, vector delivery, inflammation, and identification of patients likely to benefit from treatment. Conclusions: The shared experience of the five clinician scientists indicates that the results of ocular gene therapy for choroideremia have been less successful than for Translational Relevance: Additional long-term data are required to determine if ocular gene therapy will be sufficient to alter natural progression in choroideremia. Combination therapies may have to be considered, as well as alternative vectors that minimize risk.

Indexed as

ChoroideremiaLeber Congenital AmaurosisRetinal DegenerationCanadaGenetic TherapyHumanschoroideremiagene therapyretinal degeneration

Identifiers

PMID32714643
PMCPMC7351877
OpenAlexW3006421943

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.