# Long-Term Follow-Up of Patients Enrolled in the Early Treatment Diabetic Retinopathy Study (ETDRS)

> **NCT00001612** · — · COMPLETED · sponsor: **National Eye Institute (NEI)** · enrollment: 170 (—)

## Conditions studied

- Diabetic Retinopathy

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00001612
- **Lead sponsor:** National Eye Institute (NEI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 1997-05
- **Primary completion:** —
- **Final completion:** 2000-08
- **Target enrollment:** 170 (—)
- **Last updated:** 2008-03-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00001612

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00001612, "Long-Term Follow-Up of Patients Enrolled in the Early Treatment Diabetic Retinopathy Study (ETDRS)". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT00001612. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
