ClinicalTrials.gov record
Effects of Coenzyme Q10 (CoQ) in Parkinson Disease
ClinicalTrials.gov ID: NCT00740714
Public ClinicalTrials.gov record NCT00740714. 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.
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 Parkinson Disease - Phase III
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to evaluate the safety and effectiveness of high dosages of Coenzyme Q10 in slowing clinical decline in people who have early Parkinson disease.
Study identification
- NCT ID
- NCT00740714
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 600 participants
Conditions and interventions
Conditions
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
- Dec 2008 (Type not available)
- Primary completion
- Aug 2011 (Actual)
- Completion
- Aug 2011 (Actual)
- Last update posted
- Jan 31, 2013
2008 – 2011
United States locations
- U.S. sites
- 59
- U.S. states
- 29
- U.S. cities
- 51
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama, Birmingham, 350 Sparks Center, 1720 7Th Avenue South | Birmingham | Alabama | 35233 | — |
| Barrow Neurological Clinics At St Joseph'S Hospital & Medical Center, 500 West Thomas Road Suite 720 | Phoenix | Arizona | 85013 | — |
| Mayo Clinic Arizona, 13400 East Shea Boulevard, Desk 34 3B | Scottsdale | Arizona | 85260 | — |
| Sunhealth Research Institute, 10515 West Santa Fe Drive | Sun City | Arizona | 85351 | — |
| The Parkinson'S & Movement Disorder Institute, 9940 Talbert Avenue, Suite 204 | Fountain Valley | California | 92708 | — |
| University of California Irvine, 100 Irvine Hall | Irvine | California | 92697-4275 | — |
| University of California San Diego, Alzheimer'S Disease Research Center, 9500 Gilman Drive | La Jolla | California | 92093-0948 | — |
| UCLA Medical Center, 710 Westwood Plaza, A-253 | Los Angeles | California | 900095 | — |
| UC Davis Dept of Neurology, 4860 Y Street, Suite 3700 | Sacramento | California | 95817 | — |
| The Parkinson's Institute, 675 ALMANOR AVENUE | Sunnyvale | California | 94085 | — |
| Department of Neurology/Mail Stop B185, 12631 East 17Th Avenue Room 5209, Academic Office 1 Po Box 6511 | Aurora | Colorado | 80045 | — |
| Colorado Neurological Institute, 701 East Hampden Avenue, Suite 510 | Littleton | Colorado | 80113 | — |
| The Institute For Neurodegenerative Disorders, 60 Temple Street, Suite 8B | New Haven | Connecticut | 06510 | — |
| University of Florida, McKnight Brain Institute Po Box 100236, 100 S Newell Drive L3-100 | Gainsville | Florida | 32610-5806 | — |
| University of Miami, 1501 North West 9Th Avenue Second Floor, Department of Neurology D4-5 | Miami | Florida | 33136 | — |
| University of South Florida, 4 Columbia Drive, Suite 410 | Tampa | Florida | 33606 | — |
| Emory University School of Medicine, Wesley Woods Health Center, 1841 Clifton Road NE Room 328 | Atlanta | Georgia | 30329 | — |
| Movement Disorders Program, Department of Neurology, Medical College of Georgia | Augusta | Georgia | 30912 | — |
| Northwestern University, 710 North Lake Shore Drive | Chicago | Illinois | 60611 | — |
| Rush University Medical Center Department of Neurological Sciences, 1725 West Harrison Suite 755 | Chicago | Illinois | 60612 | — |
| University of Chicago, 5841 South Maryland Avenue, Mc2030 | Chicago | Illinois | 60637 | — |
| Indiana University School of Medicine, Outpatient Clinical Research Facility, 535 Barnhill Drive Room #150 | Indianapolis | Indiana | 46202 | — |
| University of Iowa Hospitals, 2133 Rcp Department of Neurology, 200 Hawkins Drive | Iowa City | Iowa | 52242 | — |
| The University of Kansas Medical Center, Department of Neurology Ms #2012, 3599 Rainbow Boulevard | Kansas City | Kansas | 66160 | — |
| University of Louisville, Movement Disorder Clinic, Frazier Rehab, 220 Abraham Flexner, Suite 606 | Louisville | Kentucky | 40202 | — |
| Ochsner Clinic Foundation, 1514 Jefferson Highway, Dept of Neurology 7Th Floor | New Orleans | Louisiana | 70121 | — |
| Lsuhsc Shreveport, Department of Neurology, 1501 Kings Highway Room 3-436 | Shreveport | Louisiana | 71103 | — |
| University of Maryland School of Medicine, 22 South Greene Street, N4 W49-B | Baltimore | Maryland | 21201 | — |
| Johns Hopkins, 601 North Caroline Street, Suite 5064 | Baltimore | Maryland | 21287-0875 | — |
| Parkinson & Movement Dis Center If Maryland, 8180 Lark Brown Road, Suite 101 | Elkridge | Maryland | 21075 | — |
| Boston University Medical Center, Department of Neurology, 715 Albany Street C329 | Boston | Massachusetts | 02118 | — |
| Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Shapiro 809D | Boston | Massachusetts | 02215 | — |
| University of Minnesota, 420 Delaware Street SE, Mmc 295 | Minneapolis | Minnesota | 55455 | — |
| Washington University School of Medicine, 660 South Euclid, Box 8111 | St Louis | Missouri | 63110-1093 | — |
| Albany Medical College, Parkinson'S Disease & Movement Disorders Ctr, 47 New Scottland Avenue | Albany | New York | 12208 | — |
| Suny Downstate Medical Center , 450 Clarkson Avenue , Box 1213 | Brooklyn | New York | 11203 | — |
| Northshore-Lij Health System, the Feinstein Institute Fpr Medical Research, 350 Community Drive Room 100 | Manhasset | New York | 11030 | — |
| Beth Israel Medical Center, 10 Union Square East, Suite 5Hh2 | New York | New York | 10003 | — |
| Beth Israel Medical Center, Phillips Ambulatory Care Center, 10 Union Square East Room 5Ho1 | New York | New York | 10003 | — |
| Parkinson'S Dis & Movement Disorders Inst, 428 East 72Nd Street, Suite 400 | New York | New York | 10021 | — |
| Weill Medical College of Cornell | New York | New York | 10021 | — |
| Columbia University, 710 West 168Th Street, 3Rd Floor | New York | New York | 10032 | — |
| University of Rochester Department of Neurology, 919 Westfall Road Building C Suite 220 | Rochester | New York | 14618 | — |
| JACOBI MEDICAL CENTER, 1400 Pelham Pkwy S | The Bronx | New York | 10461 | — |
| Duke University Medical Center, Duke Health Center At Morreene Road, 932 Morreene Road Room 213 | Durham | North Carolina | 27705 | — |
| University Neurology Inc., 222 Piedmont Avenue, Suite 3200 | Cincinnati | Ohio | 45219 | — |
| The Cleveland Clinic Foundation, 9500 Euclid Avenue S-31 | Cleveland | Ohio | 44195 | — |
| Ohio State University Medical Center, 1581 Dodd Drive, 371 McCampbell Hall | Columbus | Ohio | 43210 | — |
| University of Toledo , 3000 Arlington Avenue , Mail Stop 1195 | Toledo | Ohio | 43614 | — |
| Oregon Health & Science University, Dept of Neurology, 3181 SW Sam Jackson Park Road Op-32 | Portland | Oregon | 97239-3098 | — |
| Penn State Milton S Hershey Med Center, Department of Neurology Mc H109 Room 2846, 500 University Drive Po Box 850 | Hershey | Pennsylvania | 17033 | — |
| University of Pennsylvania, Pennsylvania Hospital Department of Neurology, 330 South 9Th Street | Philadelphia | Pennsylvania | 19107 | — |
| Neurohealth Parkinson'S Disease, Movement Disorder Center, 227 Centerville Road | Warwick | Rhode Island | 02886 | — |
| Medical University of South Carolina, Charleston Memorial Hospital, 326 Calhoun Street Suite 308 | Charleston | South Carolina | 29401 | — |
| Semmes Murphey Clinic, 1211 Union Avenue, Suite 200 | Memphis | Tennessee | 38104 | — |
| Baylor College of Medicine - Parkinson'S, Disease Center and Movement Disorders Clinic, 65501 Fannin St, Suite 1801 | Houston | Texas | 77030 | — |
| University of Vermont , Department of Neurology Given Building C-219 , 89 Beaumont Avenue | Burlington | Vermont | 05405 | — |
| Booth Gardner Parkinson'S Care Center, 13030 121St Way North East Suite 203 | Kirkland | Washington | 98034 | — |
| Medical College of Wisconsin, Department of Neurology, 9200 West Wisconsin Avenue | Milwaukee | Wisconsin | 53226-0099 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 9 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00740714, 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 Jan 31, 2013 · Synced Oct 22, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00740714 live on ClinicalTrials.gov.