Evidence map›Paper›PMID 39719323›Full record

ArticleBMJ open ophthalmology2024

Novel electroretinography devices to detect hydroxychloroquine retinopathy: study protocol for a diagnostic accuracy and feasibility study.

Chan Ning Lee, Hatem A Wafa, George Murphy, James Galloway, Omar A Mahroo, Timothy L Jackson

Registry-linked trialAbstract readClinical Trial Protocol
In one paragraph

Article in BMJ open ophthalmology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06035887 (A Feasibility Study Using Novel, Portable Electroretinography Devices to Detect Hydroxychloroquine Retinopathy), which is not on this map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
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.

NCT06035887 recruitingnot on this map

A Feasibility Study Using Novel, Portable Electroretinography Devices to Detect Hydroxychloroquine Retinopathy

TypeobservationalSponsorKing's College Hospital NHS TrustRan2024 to 2026Enrolled140ConditionsHydroxychloroquine RetinopathyArmsHand-Held Full-Field Skin-Electrode Electroretinography (Device to be evaluated), Trolley-Mounted Multifocal Skin-Electrode Electroretinography (Device to be evaluated), Spectral-Domain Optical Coherence Tomography (Standard of Care test), Macular Autofluorescence (Standard of Care test)
3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
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.

Chan Ning LeeFaculty of Life Sciences and Medicine, King's College London, London, UK channing.lee2@nhs.net.ORCID 0000-0002-8014-3903
Hatem A WafaPopulation Health Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK.
George MurphyFaculty of Life Sciences and Medicine, King's College London, London, UK.
James GallowayCentre for Rheumatic Diseases, King's College London, London, UK.
Omar A MahrooInstitute of Ophthalmology, University College London, London, UK.ORCID 0000-0003-1254-0832
Timothy L JacksonFaculty of Life Sciences and Medicine, King's College London, London, UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionAnnual screening for hydroxychloroquine (HCQ) retinopathy is recommended, and electroretinography (ERG) is considered a gold-standard test, but there are screening shortfalls and standard ERG is burdensome and has limited availability. Newer, portable ERG devices using skin-based electrodes may increase screening capacity but need validation. This study aims to determine initial device accuracies and feasibility of further research. METHODS AND ANALYSIS: Prospective diagnostic device accuracy and feasibility study comparing novel ERG devices to standard screening tests. Three groups of 35 participants on HCQ, categorised by HCQ retinopathy (definite, possible and no retinopathy), and 35 healthy control participants, recruited by consecutive sampling, will have full field and multifocal ERG index tests, delivered using skin-contact electrodes by two devices-RETEval full-field and UTAS multifocal ERG, both manufactured by LKC Technologies (Gaithersburg, Maryland, USA), compared with spectral-domain optical coherence tomography and autofluorescence reference tests graded by two masked, independent retinal specialists. Eligible HCQ participants will either have diagnosed HCQ retinopathy or be eligible for screening per UK guidelines. Healthy control participants will have no prior HCQ exposure and be of similar age and sex to HCQ participants. Primary outcome is device-specific sensitivity and specificity. Secondary outcomes include the effect of dilation on device outputs, analysis of discriminatory waveforms, device acceptability and recruitment rate. Safety outcomes include adverse and serious adverse events and device events. ETHICS AND DISSEMINATION: Cambridge East ethics committee gave a favourable opinion (24/EE/0011, 23/02/2024). Results will be published in a peer-reviewed ophthalmology journal. TRIAL REGISTRATION NUMBER: ClinicalTrials.gov NCT06035887.

Indexed as

Antirheumatic AgentsElectroretinographyHydroxychloroquineRetinaRetinal DiseasesTomography, Optical CoherenceAdultFeasibility StudiesFemaleHumansMaleMiddle AgedObservational Studies as TopicProspective StudiesReproducibility of ResultsSensitivity and SpecificityAntirheumatic AgentsHydroxychloroquineClinical TrialDiagnostic tests/InvestigationElectrophysiologyRetina

Identifiers

PMID39719323
PMCPMC11683940

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Registered trials

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.