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NCT04520243: ELEVEN
Evaluation of Letters Versus Numbers (ELEVEN) Study
NA trial testing Visual acuity assessment by ETDRS charts in Visual Acuity in 59 participants. Completed in 31 January 2020.
31 January 2020
Quick facts
| Lead sponsor | The University of Hong Kong |
|---|---|
| Phase | NA |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | diagnostic |
| Enrollment | 59 |
| Start date | 1 August 2019 |
| Primary completion | 31 January 2020 |
| Estimated completion | 31 January 2020 |
| Sites | 1 location across Hong Kong |
Drugs / interventions tested
- Visual acuity assessment by ETDRS charts
Conditions studied
- Visual Acuity — all drugs for Visual Acuity →
Sponsor
The University of Hong Kong
Who can join
50 and older, any sex, with Visual Acuity. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
This is a prospective randomised controlled trial to determine the performance of Best Corrected Visual Acuity (BCVA) scores using the ETDRS number chart were compared with ETDRS alphabet chart in healthy eyes of patients who do not recognise the English alphabet.
Publications & conference data
No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.
Verify or expand the search:
- PubMed search for NCT04520243
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT04520243 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by The University of Hong Kong
- Last refreshed: 20 August 2020
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04520243.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing