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ClinicalTrials.gov public records Last synced Oct 17, 2026, 7:46 PM EDT

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Showing 1–24 of 91 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: carnitine Clear all
Not listed Not applicable Interventional

Study to Evaluate the Effect of RGMA001 on Patients With Non Alcoholic Fatty Liver Disease (NAFLD)

NCT01511523
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 16, 2012 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Phase 2 Interventional

Levocarnitine for Dry Eye in Sjogren's Syndrome

NCT03953703
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Oct 17, 2026, 7:46 PM EDT
Recruiting Phase 2 Interventional

Matching Perfusion and Metabolic Activity in HFpEF

NCT04913805
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Phase 2 Interventional Results available

The Use of a Mitochondrial Enhancement Treatment in Bipolar Disorder

NCT00719706
View directory record Official record
Conditions
Bipolar Depression
Interventions
acetyl-l-carnitine PLUS alpha-lipoic acide, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 18, 2012 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Not applicable Interventional

Levocarnitine in Treating Patients With Vismodegib-Associated Muscle Spasms

NCT01893892
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 4, 2017 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Phase 1 Interventional Results available

Carnitine Consumption and Augmentation in Pulmonary Arterial Hypertension

NCT04908397
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Familial Primary Pulmonary Hypertension, Primary Pulmonary Hypertension, Lung Diseases, Carnitine Nutritional Deficiency
Interventions
L-carnitine
Dietary Supplement
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 17, 2026, 7:46 PM EDT
Active, not recruiting Phase 3 Interventional

Studying the Effect of Levocarnitine in Protecting the Liver From Chemotherapy for Leukemia or Lymphoma

NCT05602194
View directory record Official record
Conditions
B Acute Lymphoblastic Leukemia, B Acute Lymphoblastic Leukemia With t(9;22)(q34.1;q11.2); BCR-ABL1, B Acute Lymphoblastic Leukemia, BCR-ABL1-Like, Lymphoblastic Lymphoma, Mixed Phenotype Acute Leukemia, T Acute Lymphoblastic Leukemia
Interventions
Biospecimen Collection, Calaspargase Pegol, Levocarnitine, Pegaspargase, Quality-of-Life Assessment
Procedure · Drug · Dietary Supplement + 1 more
Lead sponsor
Children's Oncology Group
Network
Eligibility
15 Years to 40 Years
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
225
States / cities
Birmingham, Alabama • Anchorage, Alaska • Kingman, Arizona + 149 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Not applicable Interventional

Effects of L-Carnitine on Postprandial Clearance of Triglyceride-rich Lipoproteins in HIV Patients on HAART

NCT00386971
View directory record Official record
Conditions
Hyperlipidemia, HIV Infections
Interventions
L-carnitine, placebo
Dietary Supplement · Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 70 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study Of Nutraceutical Drinks For Cholesterol (Evaluating Effectiveness and Tolerability)

NCT01152073
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 16, 2012 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Assess the Effects of a Vitamin Shot on Energy Levels

NCT06019858
View directory record Official record
Conditions
Energy, Fatigue, Mood, Weight Loss, Cognition
Interventions
Vitamin Energy Shot
Other
Lead sponsor
Vitamin Energy®
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Oct 17, 2026, 7:46 PM EDT
Terminated Phase 4 Interventional Results available

L-Carnitine L-Tartrate in Preventing Peripheral Neuropathy Caused By Chemotherapy in Women With Metastatic Breast Cancer

NCT00754767
View directory record Official record
Conditions
Breast Cancer, Chemotherapeutic Agent Toxicity, Neurotoxicity
Interventions
L-carnitine L-tartrate, placebo
Drug · Other
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Minneapolis, Minnesota • Saint Louis Park, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 11, 2017 · Synced Oct 17, 2026, 7:46 PM EDT
Completed No phase listed Observational

Carnitine Levels and Carnitine Supplementation in Type I Diabetes

NCT00351234
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 28, 2012 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Phase 2Phase 3 Interventional

L-carnitine for Fatigue in COPD

NCT03008356
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Oct 17, 2026, 7:46 PM EDT
Recruiting Not applicable Interventional

A Study to Improve Skeletal Muscle in Veterans With HIV

NCT06845046
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparing Blood Sugar Levels and Endothelial Function of PEAK ATP® With GlycoCarn®, PEAK ATP® and GlycoCarn® Supplements

NCT01855373
View directory record Official record
Conditions
Blood Sugar, Endothelial Function
Interventions
PEAK ATP® with GlycoCarn®, PEAK ATP®, GlycoCarn®, Placebo
Dietary Supplement · Other
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
25 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Apr 15, 2016 · Synced Oct 17, 2026, 7:46 PM EDT
Active, not recruiting Phase 2 Interventional

Causal Mechanisms in Adolescent Arterial Stiffness

NCT04128969
View directory record Official record
Conditions
Lipid Disorder, Dyslipidemias, Aortic Stiffness, Insulin Resistance Syndrome, Metabolic Syndrome, Pediatric Obesity
Interventions
CS-
Dietary Supplement
Lead sponsor
Baylor College of Medicine
Other
Eligibility
11 Years to 21 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Oct 17, 2026, 7:46 PM EDT
Withdrawn Phase 1 Interventional

Aberrations in Carnitine Homeostasis in Congenital Heart Disease With Increased Pulmonary Blood Flow

NCT01825369
View directory record Official record
Conditions
Heart Septal Defects, Ventricular, Atrioventricular Septal Defect
Interventions
IV L-carnitine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
2 Months to 12 Months
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 6, 2020 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Not applicable Interventional

Acetyl-L-Carnitine for the Treatment of NRTI-Associated Peripheral Neuropathy

NCT00050271
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 17, 2026, 7:46 PM EDT
Withdrawn No phase listed Observational

Therapy for Chronic Fatigue Syndrome: A Presumptive Mitochondrial Disorder

NCT01872351
View directory record Official record
Conditions
Chronic Fatigue Syndrome
Interventions
Nutraceuticals
Drug
Lead sponsor
Columbia University
Other
Eligibility
20 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2016 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Phase 2 Interventional

The Effectiveness of Nelfinavir and Efavirenz, Used Alone or Together, Combined With Other Anti-HIV Drugs in Patients Who Have Taken Anti-HIV Drugs

NCT00001087
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Nelfinavir mesylate, Efavirenz, Levocarnitine, Adefovir dipivoxil, Saquinavir, Lamivudine, Stavudine, Zidovudine, Zalcitabine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
5
States / cities
Chicago, Illinois • Baltimore, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 17, 2026, 7:46 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Measurement of Renal Function With Iohexol in Subjects Ingesting Carnitine

NCT01392313
View directory record Official record
Conditions
Carnitine Ingestion
Interventions
Carnitine, Placebo
Dietary Supplement
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Oct 17, 2026, 7:46 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 6, 2017 · Synced Oct 17, 2026, 7:46 PM EDT
Terminated Phase 2 Interventional Results available

Open-Label Study of Perhexiline in Patients With Hypertrophic Cardiomyopathy and Moderate to Severe Heart Failure

NCT02862600
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Oct 17, 2026, 7:46 PM EDT
Completed Phase 3 Interventional

Indinavir Plus Efavirenz Plus Adefovir Dipivoxil in HIV-Infected Patients Who Have Not Had Success With Nelfinavir

NCT00002220
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Efavirenz, Levocarnitine, Adefovir dipivoxil
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
16 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
11
States / cities
Los Angeles, California • New Haven, Connecticut • Wilmington, Delaware + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 17, 2026, 7:46 PM EDT