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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: levocarnitine Clear all
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 29, 2017 · Synced Sep 15, 2026, 5:08 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Withdrawn No phase listed Observational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 13, 2016 · Synced Sep 15, 2026, 5:08 PM EDT
Withdrawn Not applicable Interventional

Effects of Mixed Exercise Regime and L-Carnitine Supplementation in HIV Patients on HAART

NCT00572429
View directory record Official record
Conditions
HIV Infections, Hyperlipidemia, Exercise
Interventions
l-carnitine
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2012 · Synced Sep 15, 2026, 5:08 PM EDT
Not listed Early Phase 1 Interventional

Use of Levocarnitine to Reduce Asparaginase Hepatotoxicity in Patients With Acute Lymphoblastic Leukemia

NCT05501899
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, Hepatotoxicity
Interventions
Levocarnitine
Drug
Lead sponsor
Children's Hospital of Orange County
Other
Eligibility
5 Years to 29 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Sep 15, 2026, 5:08 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 9, 2025 · Synced Sep 15, 2026, 5:08 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Effect of Energy Drink Ingredients on Cardiovascular Function in Men and Women 18-39 Years Old

NCT04149717
View directory record Official record
Conditions
Cardiac Arrhythmia, Blood Pressure
Interventions
Energy Drink Ingredients and Exercise
Dietary Supplement
Lead sponsor
Duquesne University
Other
Eligibility
18 Years to 39 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced Sep 15, 2026, 5:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influence of OCTN2 Variants on Carnitine Status and Plasma Triglycerides

NCT00187733
View directory record Official record
Conditions
Carnitine Transporter Deficiency
Interventions
Fasting blood and urine collection
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 12, 2012 · Synced Sep 15, 2026, 5:08 PM EDT
Completed Not applicable Interventional

The Effect of Oral Carnitine Supplementation on MRS-derived Mitochondrial Function

NCT02124590
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 16, 2015 · Synced Sep 15, 2026, 5:08 PM EDT
Completed Phase 2 Interventional Results available

Valproic Acid and Carnitine in Patients With Spinal Muscular Atrophy

NCT00227266
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Sep 15, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Single Photon Emission Computed Tomography (SPECT) Imaging Study of Professional American Football Players

NCT01515839
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Multivitamin Supplement intervention
Dietary Supplement
Lead sponsor
Amen Clinics, Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Newport Beach, California
Source: ClinicalTrials.gov public record
Updated Jan 23, 2012 · Synced Sep 15, 2026, 5:08 PM EDT
Completed Phase 1Phase 2 Interventional Results available

CARNIVAL Type I: Valproic Acid and Carnitine in Infants With Spinal Muscular Atrophy (SMA) Type I

NCT00661453
View directory record Official record
Conditions
Spinal Muscular Atrophy Type I
Interventions
Valproic Acid and Levocarnitine
Drug
Lead sponsor
University of Utah
Other
Eligibility
2 Weeks to 12 Months
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
6
States / cities
Baltimore, Maryland • Detroit, Michigan • Durham, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2015 · Synced Sep 15, 2026, 5:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Survey on Cardiovascular Events in Patients With Metabolic Disease on Chronic Carnitine Supplementation

NCT02311270
View directory record Official record
Conditions
Metabolic Disorders
Interventions
Not listed
Lead sponsor
University of South Florida
Other
Eligibility
Not listed
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 22, 2016 · Synced Sep 15, 2026, 5:08 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 5, 2020 · Synced Sep 15, 2026, 5:08 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Effect of Early L-Carnitine Supplementation on Neurodevelopmental Outcomes in Very Preterm Infants

NCT01783041
View directory record Official record
Conditions
Prematurity, Neurodevelopmental Disorder, Carnitine Deficiency
Interventions
L-carnitine, 5% Dextrose
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
1 Day to 3 Days
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
2
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2023 · Synced Sep 15, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Can Fish Oil and Phytochemical Supplements Mimic Anti-Aging Effects of Calorie Restriction?

NCT01752868
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 18, 2012 · Synced Sep 15, 2026, 5:08 PM EDT
Completed Phase 3 Interventional Results available

S0715: Acetyl-L-Carnitine in Preventing Neuropathy in Women With Stage I, II, or IIIA Breast Cancer Undergoing Chemo

NCT00775645
View directory record Official record
Conditions
Breast Cancer, Chemotherapeutic Agent Toxicity, Fatigue, Neuropathy, Neurotoxicity
Interventions
acetyl-L-carnitine hydrochloride, placebo
Dietary Supplement · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years to 120 Years · Female only
Enrollment
437 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
295
States / cities
Mobile, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 196 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2017 · Synced Sep 15, 2026, 5:08 PM EDT
Completed Not applicable Interventional

Early Identification of Subclinical Atherosclerosis Using Non-Invasive Imaging Research (EISNER)

NCT00927693
View directory record Official record
Conditions
Atherosclerosis, Coronary Artery Disease
Interventions
Coronary Artery Calcium (CAC) Scan
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
45 Years to 80 Years
Enrollment
2,137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2011 · Synced Sep 15, 2026, 5:08 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Pilot Study: Impact of Biomarker-Guided Dietary Supplementation on Quality-of-Life Measures in Subjects With Chronic Pain

NCT06247813
View directory record Official record
Conditions
Chronic Pain
Interventions
Inflammation Support Formula, Nerve Health Formula, Redox Support Formula
Dietary Supplement
Lead sponsor
Ethos Research & Development
Industry
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Newport, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 15, 2026, 5:08 PM EDT
Terminated Phase 2 Interventional Results available

Levocarnitine and Vitamin B Complex in Treating PEG-Asparaginase or Inotuzumab Ozogamicin-Induced Hyperbilirubinemia in Patients With Acute Lymphoblastic Leukemia

NCT03564678
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, Hyperbilirubinemia
Interventions
Levocarnitine, Vitamin B Complex
Dietary Supplement · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Sep 15, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Supplement on Symptoms Associated With Hormone Imbalance

NCT07765381
View directory record Official record
Conditions
Hormone Imbalance, Thyroid Hormone Imbalance, Low Energy, Metabolic Symptoms, Unhealthy Eating Habits
Interventions
Hello Burn, Balance Supplement
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
25 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 15, 2026, 5:08 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 22, 2018 · Synced Sep 15, 2026, 5:08 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 20, 2026 · Synced Sep 15, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Single-Group Study to Examine the Efficacy of a Gut Health Supplement to Increase Metabolism, Improve Gut Health, and Support Weight Management

NCT06023082
View directory record Official record
Conditions
Gut Health, Metabolism, Weight Loss, Energy
Interventions
Colon Broom Premium supplement
Dietary Supplement
Lead sponsor
Gut Health, UAB
Industry
Eligibility
30 Years to 50 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2025 · Synced Sep 15, 2026, 5:08 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 3, 2025 · Synced Sep 15, 2026, 5:08 PM EDT