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ClinicalTrials.gov public records Last synced Oct 20, 2026, 1:00 PM EDT

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Showing 49–72 of 858 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Energy Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of Human Non-Shivering Thermogenesis and Basal Metabolic Rate

NCT01950520
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Propranolol, Pindolol, Dantrolene, Magnesium Sulfate, Caffeine, Qsymia, Topiramate, Phentermine, Naltrexone, Mirabegron 50mg, Mirabegron 200mg, Placebo Cohort 1, Placebo Cohort 2, Placebo for Mirabegron
Drug · Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 35 Years · Male only
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Replacing Energy From Solid Fats and Added Sugars (SoFAS) With Avocado

NCT04990817
View directory record Official record
Conditions
Elevated Triglycerides, Hypertriglyceridemia
Interventions
Average American Diet With SoFAS Replaced With Avocado, Average American Diet
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
21 Years to 74 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
Chicago, Illinois • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Characterizing the Pharmacokinetic Profile of a Novel Encapsulated Caffeine Beverage and Associated Mood and Physiological Effects

NCT05096780
View directory record Official record
Conditions
Alertness
Interventions
Flavored caffeinated beverage
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 55 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Dilworth, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 24, 2022 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Exercise Intensity on Energy Intake, Appetite and Enjoyment in Overweight and Obese Females

NCT04437550
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Exercise
Other
Lead sponsor
Ohio University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Scranton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Phase 2 Interventional Results available

Clinical Study to Test a New Drug to Treat Major Depression

NCT00976560
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
GW856553, Placebo
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 60 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
4
States / cities
Hoffman Estates, Illinois • Park Ridge, Illinois • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2017 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of an Electrolyte Supplement on Women's Wellness

NCT07765420
View directory record Official record
Conditions
Low Energy, Dehydration, Bloating, Women's Wellness
Interventions
Daily Love Electrolytes
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
18 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 14, 2026 · Synced Oct 20, 2026, 1:00 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Timing of Energy Availability on Menstrual Cycle Function

NCT06471582
View directory record Official record
Conditions
Menstrual Irregularity
Interventions
Artificially Sweetened Carbohydrate Beverage, Artificially Sweetened Beverage
Dietary Supplement
Lead sponsor
University of Colorado, Colorado Springs
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Colorado Springs, Colorado
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Leisure Time Activity and Nutrition Program

NCT00656045
View directory record Official record
Conditions
Obesity, Physical Activity
Interventions
Dietary, Physical Activity, TV Watching
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
21 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 20, 2026, 1:00 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Comparison of Breast Cancer Screening With CESM to DBT in Women With Dense Breasts

NCT05625659
View directory record Official record
Conditions
Breast Cancer
Interventions
Dual-Energy Contrast-Enhanced Spectral Mammography (CESM)
Diagnostic Test
Lead sponsor
American College of Radiology
Other
Eligibility
45 Years to 74 Years · Female only
Enrollment
2,032 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
12
States / cities
Birmingham, Alabama • Boca Raton, Florida • The Villages, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Phase 1 Interventional

The Physiological Responses and Adaptation of Brown Adipose Tissue to Chronic Treatment With Beta3-Adrenergic Receptor Agonists

NCT03049462
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Mirabegron, B Complex Plus Vitamin C Tablets
Drug · Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 40 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 20, 2026, 1:00 PM 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 17, 2026 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Breakfast and Metabolism in Men

NCT03399812
View directory record Official record
Conditions
Aging
Interventions
Animal protein, Plant protein
Dietary Supplement
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years to 90 Years · Male only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adverse Metabolic Effects of Dietary Sugar

NCT02548767
View directory record Official record
Conditions
Chronic Disease of Cardiovascular System, Type 2 Diabetes, Obesity
Interventions
high fructose corn syrup, aspartame, Energy-balanced diet, Ad libitum diet
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 40 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
3
States / cities
Davis, California • Sacramento, California • Vallejo, California
Source: ClinicalTrials.gov public record
Updated Sep 16, 2021 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Results available

Assist-Knee: Energy-Harvesting Knee Prosthesis

NCT04023045
View directory record Official record
Conditions
Transfemoral Amputation, Artificial Limbs
Interventions
Assist-Knee, Habitual Prosthesis
Device
Lead sponsor
Orthocare Innovations, LLC
Industry
Eligibility
21 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Edmonds, Washington
Source: ClinicalTrials.gov public record
Updated Oct 18, 2023 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Results available

Feasibility Study to Test Clinical Efficacy of Low Energy AC Magnetic Field to Treat Major Depression

NCT01683019
View directory record Official record
Conditions
Major Depressive Disorder (MDD)
Interventions
NeoSync EEG Synchronization Therapy, Sham NeoSync EEG Synchronization Therapy
Device
Lead sponsor
Wave Neuroscience
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Newport Beach, California
Source: ClinicalTrials.gov public record
Updated Dec 7, 2018 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dose-Response Effects of Short-Term Ashwagandha on Anaerobic Exercise and Cognitive Function in Resistance-Trained Athletes

NCT07853274
View directory record Official record
Conditions
Resistance Exercise Performance, Cognitive Functions, Anaerobic Performance, Dietary Supplementation Athletic Performance
Interventions
Low-dose Ashwagandha Supplement, High-dose Ashwagandha Supplement, Maltodextrin (Placebo)
Dietary Supplement
Lead sponsor
Jacksonville State University
Other
Eligibility
18 Years to 40 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Jacksonville, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

theFRESHstudy: FRequency of Eating and Its Influence on Satiety and Health

NCT02392897
View directory record Official record
Conditions
Healthy
Interventions
High Eating Frequency, Low Eating Frequency
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 25, 2019 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Guayusa: The Effect of an Herbal Extract on Alertness and Mental Fatigue

NCT05530915
View directory record Official record
Conditions
Attention Difficulties
Interventions
Gel capsule
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Monopoly Game on Subtle Behaviors

NCT02729389
View directory record Official record
Conditions
Psychosocial Influence on Cardiovascular Disease, Cardiovascular Disease
Interventions
High Social Status Condition, Low Social Status Condition
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
15 Years to 21 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 17, 2019 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Food Rheology and Feeding in Lean and Obese Humans

NCT00260130
View directory record Official record
Conditions
Obesity, Overweight, Diabetes
Interventions
food in fluid form, food in solid form
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 40 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 30, 2013 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

The Testosterone Trials in Older Men

NCT00799617
View directory record Official record
Conditions
Andropause
Interventions
AndroGel® (testosterone gel), Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
65 Years and older · Male only
Enrollment
790 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
12
States / cities
Birmingham, Alabama • La Jolla, California • Torrance, California + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Oct 20, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitric Oxide Bioavailability in Chronic Obstructive Pulmonary Disease (COPD)

NCT01398943
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Tetrahydrobiopterin (BH4), Antioxidant Cocktail
Drug · Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Oct 20, 2026, 1:00 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

An Open Label Study to Assess the Effect of Euryco-10® Oral Dietary Supplement in Senior Men

NCT04584918
View directory record Official record
Conditions
Healthy Aging
Interventions
Not listed
Lead sponsor
Innovus Pharmaceuticals, Inc.
Industry
Eligibility
55 Years and older · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2020 · Synced Oct 20, 2026, 1:00 PM EDT