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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Energy Clear all
Active, not recruiting Not applicable Interventional

REACH (Restore Energy, Activity Can Help) Lupus Study

NCT06479213
View directory record Official record
Conditions
Systemic Lupus Erythematosus, Fatigue
Interventions
REACH Peer Coaching Program, REACH Mobile Health Application
Behavioral
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 19, 2025 · Synced Jul 22, 2026, 9:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Femoral Remodeling Following Total Hip Arthroplasty With OMNI Apex Modular™ and OMNI Apex ARC™ Stem Compared to Competitive Designs

NCT01359540
View directory record Official record
Conditions
Osteoarthritis, Hip
Interventions
OMNI Apex Modular™ Hip Device, OMNI Apex ARC™ Hip Device
Device
Lead sponsor
Spokane Joint Replacement Center
Other
Eligibility
20 Years to 80 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Apr 25, 2019 · Synced Jul 22, 2026, 9:18 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

L-citrulline Supplementation & Cold Exposure

NCT01462591
View directory record Official record
Conditions
Hypertension
Interventions
L-citrulline
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Aug 4, 2014 · Synced Jul 22, 2026, 9:18 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 20, 2024 · Synced Jul 22, 2026, 9:18 PM 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 Jul 22, 2026, 9:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Pecan Nut Snacks v Equicaloric Snacks on Appetite, Food Intake, Metabolism, Hormones and Biomarkers

NCT04484974
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Pecan snack, Tortilla chip snack
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 50 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 4, 2024 · Synced Jul 22, 2026, 9:18 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Herbal Tincture on Energy Levels, Weight Management, and Markers of Metabolic Health

NCT06949540
View directory record Official record
Conditions
Stress, Fatigue
Interventions
Blue Burn Tincture
Dietary Supplement
Lead sponsor
Apothekary
Industry
Eligibility
30 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 Apr 28, 2025 · Synced Jul 22, 2026, 9:18 PM EDT
Completed Not applicable Interventional

Feasibility of High Levels of Energy Expenditure From Physical Activity for Breast Cancer Survivors

NCT02963740
View directory record Official record
Conditions
Breast Cancer Female
Interventions
Supervised Exercise, Home-based Exercise, Group Phone Calls, Diet
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
Up to 71 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 24, 2022 · Synced Jul 22, 2026, 9:18 PM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Evaluation of Three Pulp Vitality Tests

NCT02636504
View directory record Official record
Conditions
Dental Pulp Diseases, Dental Pulp Vitality Testing
Interventions
Laser Doppler Flowmetry
Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 22, 2026, 9:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

CALERIE (Washington University): Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy

NCT00099138
View directory record Official record
Conditions
Aging
Interventions
Caloric Restriction (CR), Exercise
Behavioral
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
50 Years to 60 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2006
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 10, 2009 · Synced Jul 22, 2026, 9:18 PM EDT
Terminated Phase 4 Interventional Results available

PEP uP Protocol in Surgical Patients

NCT02459275
View directory record Official record
Conditions
Critically Ill
Interventions
PEP uP Protocol, Metoclopramide
Other · Drug
Lead sponsor
Clinical Evaluation Research Unit at Kingston General Hospital
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
4
States / cities
Boston, Massachusetts • Jamaica, New York • Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 26, 2020 · Synced Jul 22, 2026, 9:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Gyngerlean Supplementation on Energy Expenditure

NCT06805201
View directory record Official record
Conditions
No Disease or Condition is Being Studied, Metabolism
Interventions
Gyngerlean
Dietary Supplement
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Davie, Florida
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Jul 22, 2026, 9:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

The Influence of Glycemic Control and Obesity on Energy Balance and Metabolic Flexibility in Type 1 Diabetes

NCT03379792
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Not listed
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
19 Years to 30 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jan 4, 2024 · Synced Jul 22, 2026, 9:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Replace Glycemic Load and Satiety Study

NCT01516333
View directory record Official record
Conditions
Glucose Blood, Glycemic Index
Interventions
High GL 107, Medium GL 76, Medium GL 68, Low GL 48
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 17, 2015 · Synced Jul 22, 2026, 9:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Almond Supplementation and Exercise Recovery

NCT04958018
View directory record Official record
Conditions
Muscular Injury
Interventions
Almonds, Snack bars
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
30 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 15, 2021 · Synced Jul 22, 2026, 9:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Flavonoids and Caffeine Supplementation on Resting Metabolism

NCT03752125
View directory record Official record
Conditions
Diet Modification
Interventions
Flavonoid, caffeine, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
20 Years to 47 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Jul 22, 2026, 9:18 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

PET-Enabled Dual-Energy CT in Multiple Myeloma

NCT07646873
View directory record Official record
Conditions
Multiple Myeloma (MM)
Interventions
PET-enabled dual-energy CT imaging, X-ray dual-energy CT imaging
Diagnostic Test
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jul 22, 2026, 9:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluate the Effectiveness and Safety of the Alpinia Galanga Formulation, Theacrine Formulation, and Caffeine Formulation on Fatigue, Mental Acuity, and Cognitive Health

NCT05170113
View directory record Official record
Conditions
Fatigue
Interventions
Alpinia galanga formulation, Theacrine formulation, Caffeine formulation, Placebo
Dietary Supplement
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
30 Years to 70 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Jul 22, 2026, 9:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Radicle Energy™ 24_RCA: A Study Assessing the Impact of Health and Wellness Products on Fatigue and Related Health Outcomes

NCT07166523
View directory record Official record
Conditions
Fatigue
Interventions
Energy Product Placebo Control, Energy Active Product 1
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years and older
Enrollment
501 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Del Mar, California
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Jul 22, 2026, 9:18 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Low Oxygen Exposure and Weight Status

NCT05289310
View directory record Official record
Conditions
Obesity
Interventions
Normobaric hypoxia (NH), Normobaric normoxia (NN)
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
22 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 22, 2026, 9:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessment of Dietary Protein Needs of Older Women

NCT01193946
View directory record Official record
Conditions
Protein-energy; Imbalance
Interventions
dietary control
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
80 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 16, 2013 · Synced Jul 22, 2026, 9:18 PM EDT
Completed Phase 1Phase 2 Interventional

Effects of PINTA 745 in End Stage Renal Disease (ESRD) Patients Who Require Hemodialysis and Have Protein Energy Wasting

NCT01958970
View directory record Official record
Conditions
End Stage Renal Disease, Kidney Disease, Protein Energy Wasting
Interventions
PINTA 745, Placebo
Drug
Lead sponsor
Pinta Biotherapeutics
Industry
Eligibility
18 Years to 85 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
6
States / cities
Lakewood, Colorado • Orlando, Florida • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 10, 2018 · Synced Jul 22, 2026, 9:18 PM EDT
Completed No phase listed Observational

Longitudinal Energy Expenditure and Metabolic Effects in Patients With COVID-19 (LEEP-COVID)

NCT04350073
View directory record Official record
Conditions
COVID-19
Interventions
Q-NRG Metobolic Cart Device, MuscleSound Ultrasound, Multifrequency Bioimpedance Spectroscopy
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Jul 22, 2026, 9:18 PM EDT