# Retinal Abnormalities as Biomarker of Disease Progression and Early Diagnosis of Parkinson Disease

> **NCT02640339** · — · COMPLETED · sponsor: **NYU Langone Health** · enrollment: 166 (actual)

## Conditions studied

- Parkinson Disease
- Multiple System Atrophy
- REM Sleep Behavior Disorder
- Pure Autonomic Failure
- Dementia With Lewy Bodies

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT02640339
- **Lead sponsor:** NYU Langone Health
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2016-02
- **Primary completion:** 2020-09
- **Final completion:** 2020-10-31
- **Target enrollment:** 166 (ACTUAL)
- **Last updated:** 2020-12-02

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02640339

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02640339, "Retinal Abnormalities as Biomarker of Disease Progression and Early Diagnosis of Parkinson Disease". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT02640339. Licensed CC0.

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