# Effects of Coenzyme Q10 (CoQ) in Parkinson Disease

> **NCT00740714** · PHASE3 · TERMINATED · sponsor: **Weill Medical College of Cornell University** · enrollment: 600 (actual)

## Conditions studied

- Parkinson Disease

## Interventions

- **DRUG:** Coenzyme Q10 with vitamin E
- **DRUG:** placebo with vitamin E

## Key facts

- **NCT ID:** NCT00740714
- **Lead sponsor:** Weill Medical College of Cornell University
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2008-12
- **Primary completion:** 2011-08
- **Final completion:** 2011-08
- **Target enrollment:** 600 (ACTUAL)
- **Why stopped:** The investigational drug is unlikely to demonstrate efficacy over placebo for this indication. However, no safety issues were discovered.
- **Last updated:** 2013-01-31

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00740714

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00740714, "Effects of Coenzyme Q10 (CoQ) in Parkinson Disease". Retrieved via AI Analytics 2026-06-30 from https://api.ai-analytics.org/clinical/NCT00740714. Licensed CC0.

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