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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 3 Interventional Results available

Study to Assess the Efficacy, Safety and Tolerability of Idebenone in the Treatment of Friedreich's Ataxia

NCT00537680
View directory record Official record
Conditions
Friedreich's Ataxia
Interventions
Idebenone, Placebo
Drug
Lead sponsor
Santhera Pharmaceuticals
Industry
Eligibility
8 Years to 17 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Los Angeles, California • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 10, 2023 · Synced Jul 23, 2026, 6:29 PM EDT
Completed Not applicable Interventional

Dynamics of Muscle Mitochondria in Type 2 Diabetes Exercise

NCT02977442
View directory record Official record
Conditions
Insulin Resistance, Diabetes
Interventions
exercise
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Jul 23, 2026, 6:29 PM EDT
Completed Phase 2 Interventional Results available

Short-Term Outcome of N-Carbamylglutamate in the Treatment of Acute Hyperammonemia

NCT01599286
View directory record Official record
Conditions
Propionic Acidemia, Type I and/or Type II, Methylmalonic Acidemia, Carbamoyl-Phosphate Synthase I Deficiency Disease, Ornithine Carbamoyltransferase Deficiency
Interventions
Carbaglu, Placebo
Drug
Lead sponsor
Mendel Tuchman
Other
Eligibility
1 Week to 99 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
9
States / cities
Los Angeles, California • Palo Alto, California • Aurora, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2021 · Synced Jul 23, 2026, 6:29 PM EDT
Completed Phase 2 Interventional

Rosiglitazone to Reverse Metabolic Defects in Diabetes

NCT00094796
View directory record Official record
Conditions
Diabetes Mellitus, Type II, Insulin Resistance
Interventions
Exercise cardiopulmonary metabolic testing, Skeletal muscle biopsy, Brachial artery reactivity testing
Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
22 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
2
States / cities
Bethesda, Maryland • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 23, 2026, 6:29 PM EDT
Completed Phase 1 Interventional

A Randomized Comparative Pharmacokinetic Study of Oral Ganciclovir After Treatment With Intravenous Ganciclovir for Cytomegalovirus Gastrointestinal Disease in AIDS Patients

NCT00000768
View directory record Official record
Conditions
Colitis, HIV Infections
Interventions
Glutamic acid hydrochloride, Ganciclovir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
5
States / cities
Birmingham, Alabama • San Francisco, California • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Jul 23, 2026, 6:29 PM EDT
No Longer Available No phase listed Expanded access

Dichloroacetate Treatment of Congenital Lactic Acidosis Phase B: Expanded Access

NCT01797276
View directory record Official record
Conditions
Mitochondrial Enzyme Deficiencies
Interventions
Dichloroacetate
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 7, 2017 · Synced Jul 23, 2026, 6:29 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Characterization of the Cardiac Phenotype of Friedreich's Ataxia (FRDA)

NCT02316314
View directory record Official record
Conditions
Friedreich's Ataxia
Interventions
Cardiac magnetic resonance imaging (CMR), Exercise-stress test, Echocardiogram (ECHO), Cardiac-related blood studies
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
12 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced Jul 23, 2026, 6:29 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Measuring Protein Turnover in Humans Across the Lifespan by Metabolic Labeling With Deuterium Oxide

NCT06269653
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
20 Years to 120 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Jul 23, 2026, 6:29 PM EDT
Completed Phase 2 Interventional Results available

A Study Investigating the Safety, Tolerability, and Efficacy of Elamipretide Topical Ophthalmic Solution for Treatment of Leber's Hereditary Optic Neuropathy

NCT02693119
View directory record Official record
Conditions
Leber's Hereditary Optic Neuropathy
Interventions
elamipretide (MTP-131) 1% topical ophthalmic solution, Vehicle topical ophthalmic solution
Drug
Lead sponsor
Stealth BioTherapeutics Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Nov 29, 2021 · Synced Jul 23, 2026, 6:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Dark Chocolate on Exercise Capacity, and Mitochondrial Structure and Function

NCT01671514
View directory record Official record
Conditions
Heart Failure, Type 2 Diabetes
Interventions
Epicatechin-enriched dark chocolate, Low-epicatechin dark chocolate
Dietary Supplement · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
40 Years to 70 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Jul 23, 2026, 6:29 PM EDT
Active, not recruiting Phase 2 Interventional

An Open-Label Study of Continuation Treatment With Combination Pyrimidine Nucleosides in Patients With TK2 Deficiency

NCT03845712
View directory record Official record
Conditions
Thymidine Kinase 2 Deficiency
Interventions
doxecitine and doxribtimine
Drug
Lead sponsor
UCB BIOSCIENCES, Inc.
Industry
Eligibility
Not listed
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 23, 2026, 6:29 PM EDT
Enrolling by invitation No phase listed Observational

GABA and GSH in FRDA

NCT07635030
View directory record Official record
Conditions
Friedreich's Ataxia, FRDA
Interventions
MRI/ MRS (Magnetic Resonance Imaging /Magnetic Resonance Spectroscopy)
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 16 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Jul 23, 2026, 6:29 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 Jul 23, 2026, 6:29 PM EDT
Completed Early Phase 1 Interventional

Rosuvastatin (Crestor) in Friedreich Ataxia

NCT02705547
View directory record Official record
Conditions
Friedreich Ataxia
Interventions
Rosuvastatin
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 24, 2021 · Synced Jul 23, 2026, 6:29 PM EDT
Completed Phase 4 Interventional Results available

The Effect of Linagliptin on Mitochondrial and Endothelial Function

NCT01969084
View directory record Official record
Conditions
Type II Diabetes Mellitus
Interventions
Linagliptin, Placebo, Microcirculation testing, Macrocirculation testing, MRI Scans
Drug · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
30 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 17, 2016 · Synced Jul 23, 2026, 6:29 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

A Natural History Study to TRACK Brain and Spinal Cord Changes in Individuals with Friedreich Ataxia (TRACK-FA)

NCT04349514
View directory record Official record
Conditions
Friedreich Ataxia
Interventions
Natural history
Other
Lead sponsor
Monash University
Other
Eligibility
5 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
3
States / cities
Gainesville, Florida • Minneapolis, Minnesota • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 26, 2024 · Synced Jul 23, 2026, 6:29 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Mitochondrial Dysfunction in Type 2 Diabetes Mellitus and Capacity for Fat Oxidation During Exercise

NCT00382473
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Overweight
Interventions
Aerobic exercise program - 8 weeks
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
28 Years to 55 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 24, 2014 · Synced Jul 23, 2026, 6:29 PM EDT
Recruiting Phase 3 Interventional

A Study to Learn More About the Effects and Long-Term Safety of Omaveloxolone (BIIB141) in Children and Teens With Friedreich's Ataxia

NCT06953583
View directory record Official record
Conditions
Friedreich Ataxia
Interventions
Omaveloxolone, Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
2 Years to 15 Years
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
7
States / cities
Los Angeles, California • Gainesville, Florida • Tampa, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Jul 23, 2026, 6:29 PM EDT
Recruiting No phase listed Observational

Systemic Biomarkers of Brain Injury From Hyperammonemia

NCT04602325
View directory record Official record
Conditions
Urea Cycle Disorder, Organic Acidemia, Maple Syrup Urine Disease, Glutaric Acidemia I, Fatty Acid Oxidation Disorder, Hypoxic-Ischemic Encephalopathy
Interventions
Not listed
Lead sponsor
Children's National Research Institute
Other
Eligibility
7 Years to 18 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 6, 2024 · Synced Jul 23, 2026, 6:29 PM EDT
Completed No phase listed Observational

Diagnostic Odyssey Survey 2

NCT03678740
View directory record Official record
Conditions
Mitochondrial Diseases
Interventions
Odyssey 2 Survey
Other
Lead sponsor
University of South Florida
Other
Eligibility
Up to 99 Years
Enrollment
336 participants
Timeline
2018 – 2019
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Jul 23, 2026, 6:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Oxidative Capacity and Exercise Tolerance in Ambulatory SMA

NCT02895789
View directory record Official record
Conditions
Spinal Muscular Atrophy Type 3, Mitochondrial Myopathy
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
8 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Jul 23, 2026, 6:29 PM EDT
Completed No phase listed Observational Results available

Observational Study of Fat Loss in HIV Infected Adults Taking Nucleoside Reverse Transcriptase Inhibitors (NRTIs)

NCT00119405
View directory record Official record
Conditions
HIV Infections, Lipodystrophy, Metabolic Diseases, Nutrition Disorders
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Jul 23, 2026, 6:29 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Study to Evaluate QR-110 in Leber's Congenital Amaurosis (LCA) Due to the c.2991+1655A>G Mutation (p.Cys998X) in the CEP290 Gene

NCT03140969
View directory record Official record
Conditions
Leber's Congenital Amaurosis
Interventions
QR-110
Drug
Lead sponsor
Laboratoires Thea
Industry
Eligibility
6 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Iowa City, Iowa • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced Jul 23, 2026, 6:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Mitochondrial Capacity in Pregnant Women

NCT03489564
View directory record Official record
Conditions
Pregnancy Related, Physical Activity
Interventions
Active, Sedentary
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 26, 2022 · Synced Jul 23, 2026, 6:29 PM EDT