Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 9, 2026, 2:56 PM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Sjogren's Syndrome, Keratoconjunctivitis Sicca
Interventions
Levocarnitine, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Heart Failure
Interventions
Whey protein powder and L-carnitine, Maltodextrin placebo powder and Psyllium Husk capsules
Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
60 Years to 90 Years · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Musculoskeletal Complications
Interventions
levocarnitine, placebo, questionnaire administration
Dietary Supplement · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Stanford, California
Conditions
Spinal Muscular Atrophy
Interventions
Valproic Acid and Levocarnitine, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
2 Years to 17 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
5
States / cities
Baltimore, Maryland • Detroit, Michigan • Columbus, Ohio + 2 more
Conditions
HIV Infections
Interventions
Ritonavir, Nelfinavir mesylate, Levocarnitine, Adefovir dipivoxil, Saquinavir, Delavirdine mesylate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
16 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1999
U.S. locations
45
States / cities
Birmingham, Alabama • Los Angeles, California • Menlo Park, California + 27 more
Conditions
Cardiomyopathy, Hypertrophic, Cardiomyopathy, Hypertrophic, Familial
Interventions
Perhexiline, Use of bioanalytical assay to monitor plasma levels of perhexiline
Drug · Device
Lead sponsor
Heart Metabolics Limited
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
11
States / cities
Stanford, California • Indianapolis, Indiana • Baltimore, Maryland + 7 more
Conditions
Diabetes Mellitus, Type I, Hypoglycemia
Interventions
Carnitine (drug)
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
7 Years to 21 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Kansas City, Missouri
Conditions
HIV, Obesity
Interventions
w-3 fatty acid, L-carnitine, Control Diet
Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
20 Years to 80 Years · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Neoplasms
Interventions
L-carnitine
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
New York, New York
Conditions
Healthy Volunteers
Interventions
Supplement
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
40 Years to 60 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Non Alcoholic Fatty Liver Disease
Interventions
RGMA001, Sugar Pill
Dietary Supplement
Lead sponsor
Biovil Research Group, LLC
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Fayetteville, North Carolina
Conditions
HIV Infections, Peripheral Nervous System Diseases
Interventions
Acetyl-L-carnitine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2007
U.S. locations
10
States / cities
Palo Alto, California • Atlanta, Georgia • Honolulu, Hawaii + 5 more
Conditions
Peripheral Vascular Disease, Intermittent Claudication, Peripheral Arterial Disease
Interventions
Levocarnitine tartrate, cilostazol
Dietary Supplement · Drug
Lead sponsor
Colorado Prevention Center
Other
Eligibility
40 Years and older
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
24
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Palo Alto, California + 18 more
Conditions
Dietary Modification
Interventions
Carnitine, Choline, Antibiotics, Choline and Aspirin, Carnitine and Aspirin
Dietary Supplement · Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2029
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Elderly, Pre-diabetic
Interventions
Acute Exercise
Other
Lead sponsor
Duke University
Other
Eligibility
60 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Potassium Nitrate, Potassium Nitrate + Propionyl-L-Carnitine + Nicotinamide Riboside, Potassium Chloride
Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Hyperlipidemia
Interventions
Placebo, Second Formulation, Third Formulation
Dietary Supplement
Lead sponsor
Healthy Drink Discoveries, Inc.
Other
Eligibility
20 Years to 80 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Boca Raton, Florida
Conditions
Breast Cancer
Interventions
ALC and Placebo
Drug
Lead sponsor
Sigma-Tau Research, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

The Chronic Effects of Carnitine on Recovery

NCT04420377
Conditions
Muscle Soreness, Muscle Damage, Resistance Training, Oxidative Stress, Muscle Strength
Interventions
Carnipure, Resistance Training
Dietary Supplement · Other
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years to 65 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Childhood Apraxia of Speech, Verbal Apraxia, Autism
Interventions
Omega-DEK, L-carnitine, Placebo
Drug
Lead sponsor
Claudia R. Morris
Other
Eligibility
36 Months to 6 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia
Conditions
Multiple Myeloma
Interventions
Bort, Dex, and Dox with ALCAR
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2013
U.S. locations
5
States / cities
Janesville, Wisconsin • La Crosse, Wisconsin • Madison, Wisconsin + 2 more
Conditions
Autism Spectrum Disorders, Mitochondrial Diseases
Interventions
Mitochondrial Cocktail
Drug
Lead sponsor
Drexel University
Other
Eligibility
3 Years to 12 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Phase 2Phase 3 Interventional

L-carnitine for Fatigue in COPD

NCT03008356
Conditions
Copd, Fatigue
Interventions
L-carnitine 1000 mg twice daily, Weekly health coaching calls, Placebo capsules
Dietary Supplement · Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Alcohol Use Disorder
Interventions
L-carnitine
Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years to 25 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island