Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 23, 2026, 4:33 AM EDT

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

Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Metabolism - Cerebral Energy Clear all
Recruiting Phase 2 Interventional

Efficacy and Safety of Magnesium Vitamin B6 in First Episode Bipolar Disorder

NCT05837104
View directory record Official record
Conditions
Bipolar I Disorder, Depression, Anxiety, Stress
Interventions
Magnesium vitamin B6, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 23, 2026, 4:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Lamotrigine Therapy in Geriatric Bipolar Depression

NCT00720473
View directory record Official record
Conditions
Bipolar Depression
Interventions
Lamotrigine
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
60 Years and older
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Sep 23, 2026, 4:33 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Brain Dopamine Function in Human Obesity

NCT03648892
View directory record Official record
Conditions
Obesity, Healthy Volunteers, Overweight
Interventions
[c11] raclopride, [18F]fallypride
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 10, 2023 · Synced Sep 23, 2026, 4:33 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Exogenous Ketones on Cognitive Function in Older Adults With Prediabetes?

NCT07546409
View directory record Official record
Conditions
Prediabetes, Healthy (Controls)
Interventions
Ketone Monoester (KE), Placebo
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 23, 2026, 4:33 AM EDT
Completed Phase 1 Interventional Results available

A Study of Tirzepatide in Overweight and Very Overweight Participants

NCT04311411
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Tirzepatide, Placebo, Liraglutide
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
3
States / cities
Indianapolis, Indiana • Baton Rouge, Louisiana • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Sep 23, 2026, 4:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fasting ENHANCE Pilot Study

NCT05732935
View directory record Official record
Conditions
Overweight and Obesity, Time Restricted Feeding, Alzheimer Disease
Interventions
Time Restricted Eating intervention, Successful Aging Comparison Group (LEARN)
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 23, 2026, 4:33 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional

A Basket Clinical Study to Assess Glycerol Tributyrate in Patients With Mitochondrial Encephalopathy, Lactic Acidosis, Stroke-like Episodes (MELAS) or Leber's Hereditary Optic Neuropathy-Plus (LHON-Plus)

NCT06792500
View directory record Official record
Conditions
MELAS Syndrome, Lebers Hereditory Optic Neuropathy With Extra Ocular Symptoms (LHON-Plus)
Interventions
Glycerol Tributyrate
Drug
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 23, 2026, 4:33 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Effects of GH and Lirglutide on AgRP

NCT05681299
View directory record Official record
Conditions
Healthy, Growth Hormone Deficiency
Interventions
growth hormone and lirglutide, growth hormone, liraglutide, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 23, 2026, 4:33 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Brain Energy Metabolism in Individuals With Major Depressive Disorder Receiving Escitalopram

NCT00183677
View directory record Official record
Conditions
Depression
Interventions
Escitalopram
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 3, 2017 · Synced Sep 23, 2026, 4:33 AM EDT
Enrolling by invitation Not applicable Interventional

Open Label Extension Study of NCT06221852

NCT06558201
View directory record Official record
Conditions
Bipolar I Disorder, Schizoaffective Disorder, Psychosis
Interventions
Ketogenic diet
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 23, 2026, 4:33 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain-Derived Neurotrophic Factor in Obesity and Brain Function

NCT01517048
View directory record Official record
Conditions
Obesity, Genetic Disorder, Mental Retardation, Developmental Delay
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Up to 99 Years
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 23, 2026, 4:33 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Autonomic Nervous System and Obesity

NCT00179023
View directory record Official record
Conditions
OBESITY, HYPERTENSION, PURE AUTONOMIC FAILURE, SHY-DRAGER SYNDROME
Interventions
Trimethaphan, Pseudoephedrine
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Sep 23, 2026, 4:33 AM EDT
Completed Not applicable Interventional

A Pilot Clinical Trial of Pyruvate, Creatine, and Niacinamide in Progressive Supranuclear Palsy.

NCT00605930
View directory record Official record
Conditions
Progressive Supranuclear Palsy
Interventions
Pyruvate, creatine, niacinamide, Placebo
Dietary Supplement
Lead sponsor
University of Louisville
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 9, 2017 · Synced Sep 23, 2026, 4:33 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Impact of Food Advertisements on Brain Response and Eating Behavior in Children

NCT02788838
View directory record Official record
Conditions
Pediatric Obesity
Interventions
Not listed
Lead sponsor
Penn State University
Other
Eligibility
7 Years to 9 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2021 · Synced Sep 23, 2026, 4:33 AM EDT
Terminated Not applicable Interventional Results available

Brain Energy Metabolism and Sleep in Adults

NCT03929302
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Cognitive Change, Energy Metabolism, Sleep Disturbance
Interventions
MyTAP oral appliance plus mouth shield
Device
Lead sponsor
The University of Texas at Dallas
Other
Eligibility
55 Years to 85 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 19, 2024 · Synced Sep 23, 2026, 4:33 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Nicotinamide Riboside, Vit B3 Analogue, and Brain Energy Metabolism

NCT07649161
View directory record Official record
Conditions
Healthy Adult
Interventions
Niagen®
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 23, 2026, 4:33 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Efficient Brain Study

NCT02771366
View directory record Official record
Conditions
Metabolism - Cerebral Energy
Interventions
Fermented Papaya Preparation, Granulated Sugar
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 100 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 16, 2019 · Synced Sep 23, 2026, 4:33 AM EDT
Completed Phase 1 Interventional Results available

Trial of Oxaloacetate in Alzheimer's Disease (TOAD)

NCT02593318
View directory record Official record
Conditions
Alzheimer's Disease (AD)
Interventions
Oxaloacetate (OAA) 1g, Oxaloacetate (OAA) 2g
Drug
Lead sponsor
Russell Swerdlow
Other
Eligibility
50 Years to 85 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Sep 23, 2026, 4:33 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Images Following Long-term Aerobic Exercise on Brain Activation

NCT02162524
View directory record Official record
Conditions
Obesity
Interventions
Aerobic Exercise
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 10, 2016 · Synced Sep 23, 2026, 4:33 AM EDT
Recruiting Not applicable Interventional

Ketogenic and Nutritional Interventions for First Episode Bipolar Disorder

NCT06221852
View directory record Official record
Conditions
Bipolar I Disorder, Psychosis, Schizoaffective Disorder
Interventions
Ketogenic diet, Dietary Guidelines for Americans
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 23, 2026, 4:33 AM EDT
Withdrawn Not applicable Interventional

Deep Brain Stimulation Effects in Patients With Chronic Refractory Obesity

NCT04453020
View directory record Official record
Conditions
Obesity
Interventions
DBS of the LHA
Device
Lead sponsor
donald whiting
Other
Eligibility
22 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 26, 2025 · Synced Sep 23, 2026, 4:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Activation of Brain Centers by Short-term Walnut Consumption in Obesity

NCT02673281
View directory record Official record
Conditions
Obesity
Interventions
Walnut shake, Placebo shake
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Sep 23, 2026, 4:33 AM EDT
Completed Not applicable Interventional

Brain, Appetite, Teens, and Exercise

NCT03783390
View directory record Official record
Conditions
Energy Balance, Appetitive Behavior, Obesity
Interventions
Exercise Intervention, Newsletter
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
14 Years to 17 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated May 13, 2020 · Synced Sep 23, 2026, 4:33 AM EDT
No Longer Available No phase listed Expanded access

Compassionate Use of Triheptanoin (C7) for Inherited Disorders of Energy Metabolism

NCT01461304
View directory record Official record
Conditions
Very Long-chain acylCoA Dehydrogenase (VLCAD) Deficiency, Carnitine Palmitoyltransferase Deficiencies (CPT1, CPT2), Mitochondrial Trifunctional Protein Deficiency, Long-chain Hydroxyacyl-CoA Dehydrogenase Deficiency, Glycogen Storage Disorders, Pyruvate Carboxylase Deficiency Disease, ACYL-CoA DEHYDROGENASE FAMILY, MEMBER 9, DEFICIENCY of, Barth Syndrome
Interventions
triheptanoin
Drug
Lead sponsor
Jerry Vockley, MD, PhD
Other
Eligibility
1 Month and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2021 · Synced Sep 23, 2026, 4:33 AM EDT