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Showing 1–24 of 91 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Levocarnitine Clear all
Completed Phase 2 Interventional

Treatment Success and Failure in HIV-Infected Subjects Receiving Indinavir in Combination With Nucleoside Analogs: A Rollover Study for ACTG 320

NCT00000885
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Abacavir sulfate, Nelfinavir mesylate, Efavirenz, Levocarnitine, Adefovir dipivoxil, Lamivudine, Stavudine, Zidovudine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
16 Years and older
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2003
U.S. locations
52
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 32 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Sep 2, 2026, 1:45 PM EDT
Completed Phase 1 Interventional

Enhancing the Effects of Alcohol Treatment With L-Carnitine

NCT05355311
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced Sep 2, 2026, 1:45 PM EDT
Not yet recruiting Phase 2 Interventional

Role of Omega-DEK in Childhood Apraxia of Speech

NCT07216001
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 2, 2026, 1:45 PM EDT
Completed Phase 2 Interventional

A Phase II, Stratified, Randomized, Double-Blind, Multi-Center Study of the Safety and Efficacy of Adefovir Dipivoxil (ADF) at Two Dose Levels in Triple Combination Therapies With Protease Inhibitors (PI) and Nucleoside Reverse Transcriptase Inhibitors (RTI) for the Treatment of HIV-Infected Patient

NCT00002184
View directory record Official record
Conditions
HIV Infections
Interventions
Nelfinavir mesylate, Levocarnitine, Adefovir dipivoxil, Saquinavir, Lamivudine, Stavudine, Zidovudine
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
16 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
13
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 2, 2026, 1:45 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 10, 2017 · Synced Sep 2, 2026, 1:45 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 2, 2026, 1:45 PM EDT
Completed Phase 2 Interventional Results available

Males, Antioxidants, and Infertility Trial

NCT02421887
View directory record Official record
Conditions
Male Infertility
Interventions
Antioxidant Supplement, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Male only
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
10
States / cities
Los Angeles, California • San Francisco, California • Sunnyvale, California + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2019 · Synced Sep 2, 2026, 1:45 PM EDT
Terminated Phase 2 Interventional Results available

MemoryXL Effects on Mild Cognitive Impairment Patients

NCT00903695
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Memory XL, placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
55 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 25, 2012 · Synced Sep 2, 2026, 1:45 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Nutritional and Dietary Treatment Study for Children/Adults With Autism

NCT02059577
View directory record Official record
Conditions
Autism
Interventions
Nutritional and Dietary Interventions
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
30 Months to 60 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 10, 2014 · Synced Sep 2, 2026, 1:45 PM EDT
Terminated Phase 2 Interventional

Safety and Efficacy of ALC in Breast Cancer in Subjects With Fatigue

NCT00555841
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 27, 2012 · Synced Sep 2, 2026, 1:45 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 2, 2026, 1:45 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 22, 2019 · Synced Sep 2, 2026, 1:45 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 30, 2023 · Synced Sep 2, 2026, 1:45 PM EDT
Completed Phase 3 Interventional

Safety and Efficacy of Propionyl-L-Carnitine in the Treatment of Peripheral Arterial Disease (Intermittent Claudication)

NCT00399919
View directory record Official record
Conditions
Peripheral Vascular Diseases, Intermittent Claudication
Interventions
Propionyl-L-Carnitine, PLC
Drug
Lead sponsor
Sigma-Tau Research, Inc.
Industry
Eligibility
40 Years to 80 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
9
States / cities
Jacksonville, Florida • Pensacola, Florida • LaGrange, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2011 · Synced Sep 2, 2026, 1:45 PM EDT
Withdrawn Phase 2 Interventional

Chronic Fatigue Syndrome: A Presumptive Mitochondrial Disorder

NCT01471652
View directory record Official record
Conditions
Chronic Fatigue Syndrome
Interventions
Nutraceutical supplements, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
25 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 12, 2015 · Synced Sep 2, 2026, 1:45 PM EDT
Completed Phase 2 Interventional

Developmental Study on Fatigue in Cancer

NCT00034450
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Sep 2, 2026, 1:45 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 2, 2026, 1:45 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 2, 2026, 1:45 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 2, 2026, 1:45 PM EDT
Terminated No phase listed Observational

Long-Chain Fatty Acid Oxidation Disorders Online Disease Monitoring Program

NCT04812106
View directory record Official record
Conditions
Long-chain Fatty Acid Oxidation Disorders (LC-FAOD)
Interventions
No Intervention
Other
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
Not listed
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 17, 2022 · Synced Sep 2, 2026, 1:45 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 17, 2012 · Synced Sep 2, 2026, 1:45 PM EDT
Terminated Phase 1 Interventional

L-Carnitine Administration in Early Sepsis

NCT01193777
View directory record Official record
Conditions
Septic Shock
Interventions
L-Carnitine, Normal Saline
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Jackson, Mississippi • Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 21, 2022 · Synced Sep 2, 2026, 1:45 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 27, 2012 · Synced Sep 2, 2026, 1:45 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 23, 2005 · Synced Sep 2, 2026, 1:45 PM EDT