# Randomized Trial of DHA for Retinitis Pigmentosa Patients Receiving Vitamin A

> **NCT00000116** · PHASE3 · COMPLETED · sponsor: **Carol Weigel DiFranco** · enrollment: 221 (actual)

## Conditions studied

- Retinitis Pigmentosa

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin A
- **DIETARY_SUPPLEMENT:** Docosahexaenoic acid
- **DIETARY_SUPPLEMENT:** Control fatty acid

## Key facts

- **NCT ID:** NCT00000116
- **Lead sponsor:** Carol Weigel DiFranco
- **Sponsor class:** NIH
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 1996-05
- **Primary completion:** 2002-09
- **Final completion:** 2002-09
- **Target enrollment:** 221 (ACTUAL)
- **Last updated:** 2023-03-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00000116

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00000116, "Randomized Trial of DHA for Retinitis Pigmentosa Patients Receiving Vitamin A". Retrieved via AI Analytics 2026-09-21 from https://api.ai-analytics.org/clinical/NCT00000116. Licensed CC0.

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