Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 2 Interventional

Parkinson's Disease Treatment With Coenzyme Q10

ClinicalTrials.gov ID: NCT00004731

Public ClinicalTrials.gov record NCT00004731. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 24, 2026, 2:01 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Effects of Coenzyme Q10 in Early Parkinson's Disease

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to compare the effects of varying dosage of coenzyme Q10 (CoQ10) versus a placebo in the treatment of Parkinson's disease (PD) in patients with early, untreated PD.

Study identification

NCT ID
NCT00004731
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Enrollment
Not listed

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
30 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 31, 1998
Primary completion
Not listed
Completion
Sep 30, 2003
Last update posted
Jun 23, 2005

1998 – 2003

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of Rochester Rochester New York 14620

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Recently updated Parkinson's Disease trials

Other public records listing Parkinson's Disease. Sorted by last update posted; newest first. Not a recommendation.

All Parkinson's Disease trials →

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00004731, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 23, 2005 · Synced Sep 24, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00004731 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →