NCT04491500 is a clinical trial of High attitude environment in High Altitude Retinopathy, sponsored by Zhongshan Ophthalmic Center, Sun Yat-sen University.

Who is sponsoring NCT04491500?

NCT04491500 is sponsored by Zhongshan Ophthalmic Center, Sun Yat-sen University.

What drugs are being tested in NCT04491500?

Interventions in NCT04491500: High attitude environment.

What condition does NCT04491500 study?

NCT04491500 studies High Altitude Retinopathy.

Is NCT04491500 still recruiting?

NCT04491500 is currently completed. Last updated 16 September 2020.

Last reviewed 2020-09-16 · How we verify

NCT04491500

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Retinal and Choroidal Circulation Changes Following Rapid Ascent to a High Altitude Environment

Completed Last updated 16 September 2020

What this trial tests

trial testing High attitude environment in High Altitude Retinopathy in 13 participants. Completed in 10 September 2020.

Timeline

27 July 2020

Primary endpoint
20 August 2020

10 September 2020

Quick facts

Lead sponsor	Zhongshan Ophthalmic Center, Sun Yat-sen University
Status	Completed
Study type	OBSERVATIONAL
Enrollment	13
Start date	27 July 2020
Primary completion	20 August 2020
Estimated completion	10 September 2020
Sites	1 location across China

Drugs / interventions tested

High attitude environment

Conditions studied

High Altitude Retinopathy — all drugs for High Altitude Retinopathy →

Sponsor

Zhongshan Ophthalmic Center, Sun Yat-sen University

Who can join

Adults 18 to 70, any sex, with High Altitude Retinopathy. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

This is a prospective observational study. The purpose is to explore the effect of high altitude hypobaric hypoxia on retinal microcirculation and the change of the thickness of the retina and choroid by optical coherence tomography angiography (OCTA).

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:

Other Zhongshan Ophthalmic Center, Sun Yat-sen University trials

Trials by the same sponsor.

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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)

Data sources for this page

Trial protocol + status: ClinicalTrials.gov NCT04491500 (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 Zhongshan Ophthalmic Center, Sun Yat-sen University
Last refreshed: 16 September 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/NCT04491500.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing