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ClinicalTrials.gov public records Last synced Oct 22, 2026, 2:48 AM EDT

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Showing 1–24 of 250 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Energy Expenditure Clear all
Completed Phase 2 Interventional Results available

Thyroid and Glucose and Energy Metabolism

NCT00106119
View directory record Official record
Conditions
Thyroid Diseases
Interventions
Liothyronine and Levothyroxine
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 23, 2015 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

"We Walk": Impact of Exercise Dose on Health Outcomes Among Women Ages 60-75

NCT01722136
View directory record Official record
Conditions
Condition
Interventions
Low Dosage, High Dosage
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
60 Years to 75 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 19, 2019 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional

Estimating Energy Expenditure in Active Video Gaming Compared to Unstructured, Outdoor Play in Children

NCT01430715
View directory record Official record
Conditions
Motor Activity
Interventions
Active vido games and outdoor play
Other
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
5 Years to 8 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Phase 2 Interventional

Predicting Weight Gain and Weight Loss Associated With Overeating or Fasting

NCT00687115
View directory record Official record
Conditions
Obesity, Diet Therapy, Weight Loss, Weight Gain, Nutrition Therapy
Interventions
Weight Loss, Overfeeding, Overfeeding Low Pro
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 60 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Integrating Quantitative Energetics Determines the Microbiome's Contribution to Energy Balance

NCT02939703
View directory record Official record
Conditions
Obesity
Interventions
Diet
Other
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Vestibular Stimulation on Fat Consumption and Energy Expenditure as Assessed Using Indirect Calorimetry

NCT03138382
View directory record Official record
Conditions
Obesity, Metabolic Syndrome
Interventions
Vestibular Nerve Stimulator, Sham stimulator
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 27, 2019 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Differential Metabolism of Dietary Fatty Acids

NCT00059254
View directory record Official record
Conditions
Obesity, Diabetes, Hyperlipidemia
Interventions
Oleic acid (OA), Palmitic Acid (PA)
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 35 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2005
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Oct 22, 2026, 2:48 AM EDT
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 25, 2026 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Phase 2 Interventional Results available

Thiamine and Acute Decompensated Heart Failure: Pilot Study

NCT00680706
View directory record Official record
Conditions
Heart Failure, Diabetes
Interventions
Thiamine, Placebo
Drug
Lead sponsor
Baystate Medical Center
Other
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
2
States / cities
Boston, Massachusetts • Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 21, 2013 · Synced Oct 22, 2026, 2:48 AM EDT
Completed No phase listed Observational

Body Composition & REE Responses to Bariatric Surgery

NCT00682058
View directory record Official record
Conditions
Weight Loss, Weight Change
Interventions
Follow-up post-bariatric surgery
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 1, 2019 · Synced Oct 22, 2026, 2:48 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Physical Activity in Adults With Amputation

NCT03722797
View directory record Official record
Conditions
Amputees
Interventions
Metabolic Cost Testing Procedures
Procedure
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 60 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Mar 4, 2022 · Synced Oct 22, 2026, 2:48 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Exercise-Induced Weight Loss on Energy Metabolism

NCT01775163
View directory record Official record
Conditions
Metabolism, Weight Loss
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 24, 2021 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep Timing on Energy Intake and Energy Expenditure

NCT05096585
View directory record Official record
Conditions
Obesity
Interventions
Delayed bedtime sleep restriction, Early wake sleep restriction
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
21 Years to 45 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 10, 2023 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Estrogen Deficiency on Energy Expenditure

NCT01846728
View directory record Official record
Conditions
Obesity
Interventions
Estrogen suppression
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Oct 22, 2026, 2:48 AM 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 11, 2009 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep Loss and Energy Metabolism in People With Family History of Type 2 Diabetes.

NCT00724087
View directory record Official record
Conditions
Sleep, Sleep Deprivation, Insulin Resistance, Type 2 Diabetes
Interventions
5.5-hour bedtime, 8.5-hour bedtime
Other
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 5, 2013 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Thermic & Lipemic Properties of Dietary Carbohydrates

NCT01354574
View directory record Official record
Conditions
Exogenous Obesity, Dietary Modification
Interventions
High Glycemic Index meals, Low Glycemic Index meals
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 48 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jul 13, 2011 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional

Iron Absorption in The Low Oxygen Exposure and Weight Status (LOWS) Study

NCT07542873
View directory record Official record
Conditions
Obesity (Disorder)
Interventions
Normobaric hypoxia (NH), Normobaric normoxia (NN)
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
22 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Effects of Fats on Satiety and Energy Needs

NCT02496936
View directory record Official record
Conditions
Obesity
Interventions
SFA, MUFA, PUFA-LA, ALA, LCn3
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep Deprivation and Energy Balance

NCT00935402
View directory record Official record
Conditions
Obesity
Interventions
Sleep
Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
30 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 23, 2011 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Time Restricted Feeding in Male Runners

NCT03569852
View directory record Official record
Conditions
Fasting, Intermittent Fasting, Athletic Performance, Cardiovascular Risk Factor, Resting Energy Expenditure
Interventions
Time Restrictive Feeding, Traditional Eating Pattern
Behavioral
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
20 Years to 40 Years · Male only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Metformin's Effect on Glucagon-induced Glucose Production and Protein Metabolism.

NCT01956929
View directory record Official record
Conditions
Insulin Resistance, Prediabetic State
Interventions
Metformin, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
35 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 1, 2017 · Synced Oct 22, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Thermogenic Dietary Supplement on Metabolic, Hemodynamic, and Mood Responses

NCT03678116
View directory record Official record
Conditions
Energy Metabolism, Heart Rate, Blood Pressure, Mood
Interventions
Sugar Pill (placebo), Caffeine (plus Teacrine and Cayenne), Caffeine (plus Teacrine)
Drug · Dietary Supplement
Lead sponsor
University of Mary Hardin-Baylor
Other
Eligibility
18 Years to 35 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Belton, Texas
Source: ClinicalTrials.gov public record
Updated Mar 28, 2019 · Synced Oct 22, 2026, 2:48 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Capsaicin Energy Expenditure and Glucose Metabolism

NCT03859583
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Capsaicin, Control
Dietary Supplement
Lead sponsor
George Mason University
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 1, 2019 · Synced Oct 22, 2026, 2:48 AM EDT