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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: CoQ10 Clear all
Completed Phase 3 Interventional Results available

Coenzyme Q10 Phase III Trial in Gulf War Illness

NCT02865460
View directory record Official record
Conditions
Gulf War Illness, Chronic Fatigue, Ubiquinol, Coenzyme Q10
Interventions
Ubiquinol, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
4
States / cities
Miami, Florida • Boston, Massachusetts • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2023 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Phase 2 Interventional

NINDS Parkinson's Disease Neuroprotection Trial of CoQ10 and GPI 1485

NCT00076492
View directory record Official record
Conditions
Parkinson Disease
Interventions
CoQ10, GPI 1485
Drug
Lead sponsor
University of Rochester
Other
Eligibility
30 Years and older
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2012 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Phase 1 Interventional

Nutrition, Neuromuscular Electrical Stimulation (NMES) and Secondary Progressive Multiple Sclerosis (SPMS)

NCT01381354
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Progressive exercise, Neuromuscular electrical stimulation delivered using the electrical therapy device EMPI 300 PV, Modified paleolithic diet, Omega 3 fatty acids, Full Spectrum vitamin, Essential - hydroxytyrosol, Maltodextrin fiber supplement, Mineral boost (magnesium), Niacinamide, Methyl B12, Taurine, creatine, thiamine, riboflavin, N acetylcysteine, alpha lipoic acid, L acetyl carnitine, methyl folate, coenzyme Q, meditation, self massage, learning, Coconut oil
Other · Device · Dietary Supplement + 1 more
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Sep 17, 2026, 11:04 PM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Mitochondrial Dysfunction in the Pathophysiology and Treatment of Bipolar Disorder

NCT00327756
View directory record Official record
Conditions
Bipolar Affective Disorder, Depression
Interventions
Coenzyme Q10
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 22, 2011 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Phase 2 Interventional

Idebenone to Treat Friedreich's Ataxia

NCT00229632
View directory record Official record
Conditions
Friedreich Ataxia
Interventions
Idebenone
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
9 Years to 17 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 17, 2019 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Phase 2 Interventional

An Open-label Pilot Study of Coenzyme Q10 in Steroid-Treated Duchenne Muscular Dystrophy

NCT00033189
View directory record Official record
Conditions
Muscular Dystrophy, Duchenne
Interventions
Coenzyme Q10
Drug
Lead sponsor
Cooperative International Neuromuscular Research Group
Network
Eligibility
5 Years to 11 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
2
States / cities
Washington D.C., District of Columbia • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 15, 2010 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

CoQ10 and D-ribose in Patients With Diastolic Heart Failure

NCT03133793
View directory record Official record
Conditions
Heart Failure, Diastolic
Interventions
CoQ10, D-Ribose Oral Powder, Placebo pills, Placebo powder
Drug · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
50 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Sep 17, 2026, 11:04 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Effects of an Antioxidant Supplement on Blood Vessel Health

NCT06424756
View directory record Official record
Conditions
Healthy
Interventions
MitoQ, Placebo, MitoTempo, Tempol, L-NAME, SNP - Sodium Nitroprusside
Dietary Supplement · Drug
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 8, 2024 · Synced Sep 17, 2026, 11:04 PM EDT
Terminated Phase 2 Interventional

Statin Monotherapy for Treatment of Endocrine Metabolic Disease Risk

NCT03113994
View directory record Official record
Conditions
Spinal Cord Injuries, Osteoporosis, Metabolic Syndrome
Interventions
Rosuvastatin Calcium, Placebo Oral Tablet, Coenzyme Q10, Calcium Carbonate, Vitamin D
Drug · Dietary Supplement
Lead sponsor
Dr. B. Catharine. Craven
Other
Eligibility
18 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Phase 1 Interventional

Anti-Oxidant Treatment of Alzheimer's Disease

NCT00117403
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Vitamin E, Vitamin C, and Alpha-lipoic Acid, Coenzyme Q, Placebo capsules, Placebo wafers
Drug
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
60 Years to 85 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
13
States / cities
Tucson, Arizona • Irvine, California • La Jolla, California + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2009 · Synced Sep 17, 2026, 11:04 PM EDT
Withdrawn No phase listed Observational

The Use of L-Carnitine And CoQ10 Supplements In the Treatment of Cyclic Vomiting Syndrome (CVS)

NCT00728104
View directory record Official record
Conditions
Cyclic Vomiting Syndrome
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 5, 2017 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Safety Study of Orally Administered BPM31510 in Healthy Subjects

NCT03002935
View directory record Official record
Conditions
Healthy
Interventions
BPM31510 Oral Nanosuspension 4%
Drug
Lead sponsor
BPGbio
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Eatontown, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Not applicable Interventional

Safety and Tolerability of Coenzyme Q10 in Hemodialysis Patients

NCT00908297
View directory record Official record
Conditions
Cardiovascular Disease, End Stage Renal Disease, Atherosclerosis, Oxidative Stress
Interventions
Coenzyme Q10
Dietary Supplement
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 23, 2012 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Phase 4 Interventional Results available

A Study Comparing CoQ10 Levels While Taking 3 Different Statins

NCT01660191
View directory record Official record
Conditions
Hypercholesterolemia
Interventions
Pitavastin 4mg, Atorvastatin 20mg, Rosuvastatin 5mg
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2017 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

CoQ10 in Geriatric Bipolar Depression

NCT00720369
View directory record Official record
Conditions
Bipolar Depression
Interventions
CoEnzyme Q10
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
55 Years to 89 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 12, 2014 · Synced Sep 17, 2026, 11:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Pilot Study of a Commercially-available Oil Rinse Product (PerioPull™) on Markers of Dental Health

NCT06363721
View directory record Official record
Conditions
Oral Health
Interventions
PerioPull™
Dietary Supplement
Lead sponsor
Designs for Health
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Ellicott City, Maryland
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Sep 17, 2026, 11:04 PM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Anti-oxidant Therapy and Postoperative Cardiac Events (ACE) Trial, Preoperative Intervention in Vascular Surgery

NCT03956017
View directory record Official record
Conditions
Myocardial Injury
Interventions
Ubiquinone, Placebo
Drug
Lead sponsor
Minneapolis Veterans Affairs Medical Center
Federal
Eligibility
Not listed
Enrollment
341 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 30, 2021 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Comparing the Effects of Commercially Available Dietary Supplements on CoQ10 Concentrations

NCT06640465
View directory record Official record
Conditions
Wellness, Health
Interventions
Ubiquinol + geranylgeraniol, Geranylgeraniol, Ubiquinol, Ubiquinone, Placebo
Dietary Supplement · Other
Lead sponsor
OvationLab
Network
Eligibility
40 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
6
States / cities
El Dorado Hills, California • Centennial, Colorado • Palm Springs, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 17, 2026, 11:04 PM EDT
Terminated Phase 1 Interventional

Safety and Efficacy of Anti-Oxidants and Anti-inflammatory Agents in Glaucoma and Diabetic Retinopathy

NCT02984813
View directory record Official record
Conditions
Open-angle Glaucoma, Diabetic Retinopathy
Interventions
GlaucoHealth, GlaucoSelect, Placebo
Drug
Lead sponsor
The New York Eye & Ear Infirmary
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Sep 17, 2026, 11:04 PM EDT
Withdrawn Phase 3 Interventional

Efficacy of Coenzyme Q10 Supplementation on Multi-Organ Dysfunction in Severely Burned Patients

NCT03968640
View directory record Official record
Conditions
Multiple Organ Failure
Interventions
CoQ10, Placebo
Dietary Supplement
Lead sponsor
American Burn Association
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 19, 2023 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Phase 2 Interventional Results available

Alii Supplement Study

NCT07271316
View directory record Official record
Conditions
Nutrient Deficiency, Happiness, Digestive Health, Vulnerability to Disease, Mood Swings, Energy
Interventions
Alii Supplement
Dietary Supplement
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 17, 2026, 11:04 PM EDT
Completed Phase 1 Interventional

Coenzyme Q10 in Adult-Onset Ataxia

NCT00957216
View directory record Official record
Conditions
Sporadic Ataxia
Interventions
Placebo (sugar pill), Coenzyme Q10
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2018 · Synced Sep 17, 2026, 11:04 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

COQ10 and Vitamin E for Off-Target Radiation Toxicity

NCT07668284
View directory record Official record
Conditions
Prostate Cancer, Uterine Cancer, Cervical Cancer, Anal Cancer
Interventions
Coenzyme Q10 Cap/Tab, Vitamin E Cap/Tab
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 17, 2026, 11:04 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Reducing Fatigue With CoQ10 Supplementation in Patients With Crohn's Disease Study

NCT06419335
View directory record Official record
Conditions
Crohn Disease, Healthy
Interventions
CoQ10
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 17, 2026, 11:04 PM EDT