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ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:48 PM EDT

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Showing 73–96 of 142 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Choline Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study of ALXN1840 on the Metabolism of a CYP2B6 Substrate in Healthy Participants

NCT04526210
View directory record Official record
Conditions
Wilson Disease
Interventions
ALXN1840, Bupropion Hydrochloride
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Phase 1Phase 2 Interventional Results available

pAF for the Treatment of Osteoarthritis

NCT04886960
View directory record Official record
Conditions
Osteo Arthritis Knee
Interventions
Amniotic Fluid Injection, Standard of Care
Biological · Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Human Requirements for the Nutrient Choline

NCT00065546
View directory record Official record
Conditions
Postmenopausal Women
Interventions
Estrogen plus choline depletion diet, Placebo plus choline depletion diet, Pre-menopausal women with SNPs given a low choline diet
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 6, 2012 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Study of Diazoxide Choline in Hypertriglyeridemic Subjects

NCT01211860
View directory record Official record
Conditions
Hypertriglyceridmia
Interventions
Diazoxide Choline Controlled-Release Tablet
Drug
Lead sponsor
Essentialis, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Jan 10, 2014 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Phase 3 Interventional Results available

The Effect of Pretreatment With Roc on Succinylcholine Myalgias

NCT04581395
View directory record Official record
Conditions
Myalgia
Interventions
non-pretreated Succinylcholine, succinylcholine 1 minute after rocuronium pretreatment, succinylcholine 2 minutes following rocuronium pretreatment
Other · Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 100 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Oct 17, 2026, 6:48 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

CARNIVAL Study: Gut Flora Dependent Metabolism of Dietary CARNItine and Phosphatidylcholine and cardioVAscuLar Disease

NCT01731236
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 17, 2026, 6:48 PM EDT
Recruiting Phase 2Phase 3 Interventional

Choline and Iron Deficiency

NCT06527391
View directory record Official record
Conditions
Pediatric Iron Deficiency, Anemia
Interventions
choline bitartrate, placebo drug
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
5 Months to 7 Months
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Phase 1 Study of ALXN1840 on the Metabolism of a CYP2C9 Substrate in Healthy Participants.

NCT04526197
View directory record Official record
Conditions
Wilson Disease
Interventions
ALXN1840, Celecoxib
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Choline Dehydrogenase and Sperm Function: Effects of Betaine

NCT02122211
View directory record Official record
Conditions
Men Carrying 2 Minor Alleles for Choline Dehydrogenase rs12676, Male Infertility
Interventions
Betaine supplement
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 8, 2016 · Synced Oct 17, 2026, 6:48 PM EDT
Enrolling by invitation No phase listed Observational

Observational Study of VYKAT™ XR in Patients With Prader-Willi Syndrome

NCT07450664
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
VYKAT XR
Drug
Lead sponsor
Soleno Therapeutics, Inc.
Industry
Eligibility
4 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
25
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 22 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Phase 4 Interventional Results available

Effect of Oral Choline Supplementation on Postoperative Pain

NCT00720343
View directory record Official record
Conditions
Postoperative Pain, Inflammation
Interventions
Choline, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Plasma TMAO and Choline Levels in Individuals With Metabolic Syndrome - Comparison Between Eggs and Choline Supplement.

NCT03877003
View directory record Official record
Conditions
Coronary Artery Disease, Diabetes, Metabolic Syndrome
Interventions
Eggs
Other
Lead sponsor
University of Connecticut
Other
Eligibility
35 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Citicoline Treatment of Methamphetamine Dependence

NCT00950352
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
Citicoline, Placebo
Drug
Lead sponsor
Perry Renshaw
Other
Eligibility
18 Years to 45 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 11, 2015 · Synced Oct 17, 2026, 6:48 PM EDT
Terminated Phase 3 Interventional Results available

Study of Citicoline for the Treatment of Traumatic Brain Injury (COBRIT)

NCT00545662
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Placebo, citicoline
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 70 Years
Enrollment
1,213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
8
States / cities
Birmingham, Alabama • Baltimore, Maryland • Philadelphia, Pennsylvania + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2012 · Synced Oct 17, 2026, 6:48 PM EDT
Recruiting Phase 2Phase 3 Interventional

Study of Choline Chloride for Injection in Adolescent and Adult Patients With Intestinal Failure Receiving Long Term Parenteral Support

NCT06910943
View directory record Official record
Conditions
Choline Deficiency, Liver Injury
Interventions
Choline Chloride for Injection, Placebo
Drug
Lead sponsor
Protara Therapeutics
Industry
Eligibility
12 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
8
States / cities
Aurora, Colorado • Miami Lakes, Florida • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Open-label Pharmacokinetic Study of Diazoxide Choline Coated vs. Uncoated Formulations

NCT00688857
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
Diazoxide choline
Drug
Lead sponsor
Essentialis, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Nov 8, 2010 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Impact of a Nutritional Product on Cognition in Healthy Teenagers

NCT05548595
View directory record Official record
Conditions
Healthy
Interventions
Investigational, Placebo
Dietary Supplement · Other
Lead sponsor
Hong Kong Prospect Group Co. Limited
Industry
Eligibility
12 Years to 18 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Sep 21, 2022 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Phase 3 Interventional Results available

Expanded Access to Diagnostic Imaging for Staging of Recurrent Prostate Cancer

NCT02260817
View directory record Official record
Conditions
Metastatic Prostate Cancer
Interventions
11C-choline Injection
Drug
Lead sponsor
Global Isotopes, LLC d/b/a Zevacor Molecular
Industry
Eligibility
18 Years and older · Male only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Decatur, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Energy Drinks

NCT02727920
View directory record Official record
Conditions
Energy Drinks
Interventions
Energy drink, Placebo
Dietary Supplement · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 70 Years
Enrollment
228 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 3, 2018 · Synced Oct 17, 2026, 6:48 PM EDT
Withdrawn Early Phase 1 Interventional

ER Stress in NAFLD

NCT01807910
View directory record Official record
Conditions
Obesity, NAFLD
Interventions
methyl-D9-choline
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
30 Years to 60 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 23, 2013 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Maternal Choline Intake on Choline Status and Health Biomarkers During Pregnancy and Lactation

NCT01127022
View directory record Official record
Conditions
Pregnancy, Lactation
Interventions
Choline Chloride
Dietary Supplement
Lead sponsor
Cornell University
Other
Eligibility
21 Years and older · Female only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Sep 18, 2013 · Synced Oct 17, 2026, 6:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nuclear Magnetic Spectroscopy Imaging to Evaluate Primary Lateral Sclerosis, Hereditary Spastic Paraplegia and Amyotrophic Lateral Sclerosis

NCT00023075
View directory record Official record
Conditions
Primary Lateral Sclerosis, Hereditary Spastic Paraplegia, Amyotrophic Lateral Sclerosis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Short Term Choline and Cardiovascular Health

NCT03327805
View directory record Official record
Conditions
Cardiovascular Risk Factor
Interventions
Choline, Placebo
Dietary Supplement
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 17, 2026, 6:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Chronic Study on Body Composition, Training, Performance, and Recovery

NCT04230824
View directory record Official record
Conditions
Damage Muscle, Body Weight Changes, Performance Enhancing Product Use
Interventions
Pre-workout plus and Protein recovery plus, Placebo, 6-week resistance training program
Dietary Supplement · Other
Lead sponsor
Pharmanex
Industry
Eligibility
25 Years to 50 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Oct 17, 2026, 6:48 PM EDT