Completed PHASE3 INTERVENTIONAL NCT00000151

Early Treatment Diabetic Retinopathy Study (ETDRS)

Sponsor: National Eye Institute (NEI)

Conditions Blindness Diabetic Retinopathy

Interventions Argon Laser Photocoagulation Aspirin

Updated 5 times since 2017 Last updated: Sep 1, 2006 Started: Dec 31, 1979

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE3 clinical study on Blindness and Diabetic Retinopathy, this trial is completed. The trial is conducted by National Eye Institute (NEI) and has accumulated 5 data snapshots since 1979. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

5 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE3
Jul 2024 — Sep 2024 [monthly]

Completed PHASE3
Jan 2021 — Jul 2024 [monthly]

Completed PHASE3
Jun 2018 — Jan 2021 [monthly]

Completed PHASE3
Jan 2017 — Jun 2018 [monthly]

Completed PHASE3

First recorded

Dec 1979

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

National Eye Institute (NEI)

Data source: National Eye Institute (NEI)

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

No location information available.