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ClinicalTrials.gov public records Last synced Oct 18, 2026, 7:18 AM EDT

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Showing 1–24 of 50 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Indirect Calorimetry Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Identification of Phenotypic Factors That Predict Success for Weight Loss and Long-term Weight Maintenance

NCT02043457
View directory record Official record
Conditions
Obesity
Interventions
phenotyping
Other
Lead sponsor
University of Michigan
Other
Eligibility
15 Years to 75 Years
Enrollment
3,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2030
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 18, 2026, 7:18 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Neural and Metabolic Factors in Carbohydrate Reward

NCT06053294
View directory record Official record
Conditions
Carbohydrate Metabolism
Interventions
CS- Beverage, CS+Fast, CS+Slow
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 45 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 18, 2026, 7:18 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Effect of Hydration Status on Substrate Oxidation at Rest and During Light and Moderate Exercise

NCT07298863
View directory record Official record
Conditions
Hydration Status, Substrate Metabolism During Exercise
Interventions
Part 1 - Exercise Trial, Part 1 - Experimental Trial, Part 2 - Oral Glucose Tolerance Test
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 35 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Valhalla, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 18, 2026, 7:18 AM EDT
Recruiting No phase listed Observational

Exercise Response in Humans With Obesity

NCT05857150
View directory record Official record
Conditions
Obese
Interventions
Treadmill Test, Strength Test, Dual-Energy X-Ray Absorptiometry, Muscle Biopsy, Fat Biopsy, Resting Energy Expenditure, Magnetic resonance imaging
Diagnostic Test · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years to 45 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 18, 2026, 7:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Energetic Response to Feeding and Exercise in SCI

NCT03545867
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Seated control (CON), Moderate intensity continuous (MICT), High intensity interval training (HIIT), Circuit resistance training (CRT), Liquid Meal
Behavioral · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 19, 2020 · Synced Oct 18, 2026, 7:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Short-Term Effect of a Technology Driven Weight Control (SMART) Program for Obese Adults

NCT00624598
View directory record Official record
Conditions
Obesity, Hypertension
Interventions
SMART
Behavioral
Lead sponsor
Colorado Center for Chronic Care Innovations, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
2
States / cities
Westminster, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 17, 2008 · Synced Oct 18, 2026, 7:18 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Tirzepatide Impact Assessment Study

NCT07740291
View directory record Official record
Conditions
Obesity & Overweight, Cardiometabolic Health Indicators, Addiction, Eating Disorders, Mental Health
Interventions
GLP-1 Receptor Agonist Therapy, Structured Lifestyle Intervention
Drug · Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 18, 2026, 7:18 AM EDT
Withdrawn Not applicable Interventional

Longitudinal Evaluation of Energy Expenditure in ICU Patients From Admission to Discharge Using A Novel Indirect Calorimeter: LEEP-Forward Trial

NCT04132700
View directory record Official record
Conditions
Metabolism Requirement, Energy Requirement, Indirect Calorimetry
Interventions
Q-NRG Metobolic Cart Device
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 21, 2021 · Synced Oct 18, 2026, 7:18 AM EDT
Completed Not applicable Interventional

Indirect Calorimetry Usage and Effect in Ventilator-free Days and Muscle Thickness in Septic Ventilated Patients

NCT03440593
View directory record Official record
Conditions
Sepsis, Critical Illness, Respiratory Failure, Nutrition Disorders, Calorie Deficiency, Diaphragm Injury, Quadriceps Muscle Atrophy
Interventions
Caloric delivery will target results of IC measurement.
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Oct 18, 2026, 7:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Validating a Novel Approach to Assess Metabolic Flexibility in a Respiratory Chamber

NCT05110274
View directory record Official record
Conditions
Metabolism
Interventions
Overnight Metabolic Flexibility, Clamp Metabolic Flexibility
Procedure
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 40 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 9, 2023 · Synced Oct 18, 2026, 7:18 AM EDT
Withdrawn No phase listed Observational

Quantification and Derivation of Metabolic Needs in Children During Burn Rehabilitation

NCT00539019
View directory record Official record
Conditions
Burns
Interventions
calories measured 5x following wound healing
Other
Lead sponsor
Shriners Hospitals for Children
Other
Eligibility
5 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Oct 18, 2026, 7:18 AM EDT
Completed Early Phase 1 Interventional

Exercise in Methamphetamine Use Disorder Upregulation and Neural Function

NCT03709667
View directory record Official record
Conditions
Methamphetamine Abuse
Interventions
EX, CON
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 18, 2026, 7:18 AM EDT
Recruiting Not applicable Interventional

Optimizing Recovery in Trauma Patients by Integrating Enhanced Nutrition Delivery

NCT06521086
View directory record Official record
Conditions
Trauma, Critical Illness
Interventions
Nutrition Supplements - Fresubin KCAL Drinks
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
45 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 18, 2026, 7:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Role of Altered Nutrient Partitioning in Food Reward

NCT05200845
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Conditioned Stimulus + (CS+): Flavored beverage solution with 75 calories of sucrose, Conditioned Stimulus - (CS-): Flavored beverage solution with sweetness-matched sucralose, High-Fat Test Meal Inside a Metabolic Chamber, High-Carbohydrate Test Meal Inside a Metabolic Chamber, fMRI Scan
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Oct 18, 2026, 7:18 AM EDT
Completed No phase listed Observational

Apolipoprotein E (ApoE) and Metabolism

NCT03109561
View directory record Official record
Conditions
Cognitive Function, Healthy
Interventions
Resting State Indirect Calorimetry, ApoE, Metabolism, Cognitive Challenge
Other · Genetic · Diagnostic Test
Lead sponsor
Lance Johnson
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Timeline
2018 – 2020
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Oct 18, 2026, 7:18 AM EDT
Recruiting No phase listed Observational

Metabolism Evaluation Through Resting Indirect Calorimetry in Bladder Cancer (METRICS)

NCT06721260
View directory record Official record
Conditions
Bladder Cancer
Interventions
Not listed
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Oct 18, 2026, 7:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Impact of the Physiological Response to Sugar on Brain Activity and Behavior

NCT06015490
View directory record Official record
Conditions
Food Preferences, Appetitive Behavior
Interventions
Sucrose drink, Glucose drink, Fructose drink
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 45 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 18, 2026, 7:18 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

ImpaCt Of Shiftwork on METabolic Flexibility and Skeletal Muscle Clocks

NCT05820490
View directory record Official record
Conditions
Metabolic Health
Interventions
Whole Room Calorimeter, Mixed-Meal Tolerance Test (MMTT), Core Body Temperature, Morningness-Eveningness Questionnaire, Muscle Biopsy, Serial Blood Sampling
Other · Procedure
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 18, 2026, 7:18 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Determining Cell- and Spatially-distinct Skeletal Muscle Transcriptional Aberrations in Insulin Resistance

NCT07516509
View directory record Official record
Conditions
Insulin Resistance
Interventions
VO2 Max, DEXA, Peripheral Microvascular Reactivity, Skeletal Muscle Insulin Sensitivity, Non-Oxidative Glucose Disposal, Muscle tissue Biopsy
Other
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
30 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 18, 2026, 7:18 AM EDT
Withdrawn Not applicable Interventional

Mild Hypothermia for COVID-19 ARDS

NCT04570462
View directory record Official record
Conditions
COVID19 ARDS
Interventions
Hypothermia Via Cooling Machine- Arctic Sun 5000
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2021 · Synced Oct 18, 2026, 7:18 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 18, 2026, 7:18 AM EDT
Withdrawn Not applicable Interventional

Metabolic Abnormalities in Hispanic Children With Cystic Fibrosis

NCT00287443
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Oral Glucose tolerance test, Whole body protein turnover, IV glucose tolerance test, Indirect Calorimetry, Dual Energy X-ray Absorptiometry (DEXA), Growth Hormone Stimulation Test
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
7 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 26, 2018 · Synced Oct 18, 2026, 7:18 AM EDT
Completed Not applicable Interventional

Correlation Between Wound Volume and Depth of Decubitus Ulcers And Resting Energy Expenditure

NCT01274650
View directory record Official record
Conditions
Decubitis Ulcer
Interventions
Indirect Calorimetry
Procedure
Lead sponsor
Paul Edwards
Other
Eligibility
19 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 13, 2016 · Synced Oct 18, 2026, 7:18 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Exoskeleton Variability Optimization

NCT04338815
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Exoskeleton Optimization, Endurance Evaluation
Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 85 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 19, 2025 · Synced Oct 18, 2026, 7:18 AM EDT