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ClinicalTrials.gov public records Last synced Oct 20, 2026, 2:23 PM EDT

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Showing 1–24 of 102 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Caloric Intake Clear all
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Dietary Variety Versus Dietary Fat Effects in Energy Intake

NCT00285571
View directory record Official record
Conditions
Healthy
Interventions
Controlled Feeding Intervention
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Kenmore, Washington
Source: ClinicalTrials.gov public record
Updated Mar 18, 2010 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Changing the Eating Speed on Energy Intake

NCT01684553
View directory record Official record
Conditions
Oral Intake Reduced
Interventions
Slow eating condition, Fast eating condition
Behavioral
Lead sponsor
Texas Christian University
Other
Eligibility
19 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Sep 13, 2012 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Phase 2 Interventional Results available

Short-term Effects of Leptin in People With Lipodystrophy

NCT01778556
View directory record Official record
Conditions
Lipodystrophy
Interventions
Metreleptin
Biological
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
14 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 13, 2019 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Role of Acute Exercise Modality on Appetite Regulation and Energy Intake

NCT03143868
View directory record Official record
Conditions
Appetite Regulation, Acute Exercise, Energy Intake
Interventions
Exercise Modality
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Dietary Energy Density by Incorporating Vegetables in Order to Decrease Energy Intake

NCT01165086
View directory record Official record
Conditions
Obesity
Interventions
Incorporating vegetables into the diet to reduce energy density
Other
Lead sponsor
Penn State University
Other
Eligibility
20 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 10, 2011 · Synced Oct 20, 2026, 2:23 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, 2:23 PM EDT
Completed No phase listed Observational

Assessing Short and Long Term Compliance With Caloric Intake in HIV Positive Women Taking Complera

NCT01701895
View directory record Official record
Conditions
HIV-1 Infection
Interventions
Not listed
Lead sponsor
Prema Menezes, PhD, PA-C
Other
Eligibility
18 Years and older · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced Oct 20, 2026, 2:23 PM EDT
Completed No phase listed Observational

Physical Fitness and Nutrition Intake in Bariatric Surgery Population

NCT02070354
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 12, 2016 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Factors Affecting Caloric Regulation in Human Feeding

NCT00108784
View directory record Official record
Conditions
Obesity
Interventions
Reduced-energy-density diet
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
20 Years to 60 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
State College, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 13, 2010 · Synced Oct 20, 2026, 2:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influence of Changes in Food Group Variety on Food Cravings, Energy Intake, and Weight Loss After Bariatric Surgery

NCT01399177
View directory record Official record
Conditions
Obese
Interventions
Not listed
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2025
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 20, 2026, 2:23 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Daily Low Oxygen Exposure and Weight Status

NCT04801810
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Normobaric hypoxia, Normobaric normoxia
Other
Lead sponsor
Florida State University
Other
Eligibility
20 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Apr 1, 2022 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Phase 3 Interventional

A Study Comparing Megestrol Acetate at 800 mg/Day, and Placebo in AIDS Patients With Anorexia and Cachexia

NCT00002067
View directory record Official record
Conditions
Anorexia, Cachexia, HIV Infections
Interventions
Megestrol acetate
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
14
States / cities
Los Angeles, California • Oakland, California • Palo Alto, California + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2007 · Synced Oct 20, 2026, 2:23 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

How Quickly Can the Effects of Excessive Caloric Intake on Insulin Resistance be Reversed?

NCT02505958
View directory record Official record
Conditions
Obesity
Interventions
high caloric intake, reduced caloric intake
Other
Lead sponsor
Temple University
Other
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Oct 20, 2026, 2:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Physiological and Dietary Characteristics of Boys and Girls High School Basketball Players

NCT05658159
View directory record Official record
Conditions
Bone Health
Interventions
Vitamin D, DXA scan, Nutrition analysis
Diagnostic Test · Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
14 Years to 19 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Bradenton, Florida
Source: ClinicalTrials.gov public record
Updated Jan 10, 2024 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Taste Acuity and Caloric Intake After Acute Morphine Administration

NCT01763697
View directory record Official record
Conditions
Taste Sweet, Taste Salty, Feeding Behavior
Interventions
taste acuity assessment, Recorded meal
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 29, 2014 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does Portion Size Influence Intake of Low-Energy-Dense Foods in Preschool-aged Children?

NCT00936507
View directory record Official record
Conditions
Caloric Intake
Interventions
Energy Density/Portion Size
Other
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
3 Years and older
Enrollment
17 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, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Energy Content and Energy Density of Pre-portioned Entrees

NCT01349023
View directory record Official record
Conditions
Obesity
Interventions
Energy density (ED), Energy content
Other
Lead sponsor
Penn State University
Other
Eligibility
19 Years to 45 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 16, 2012 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Breakfast Consumption and Energy Balance in Active Adult Males

NCT04862208
View directory record Official record
Conditions
Energy Intake, Substrate Utilization, Hormones, Satiety
Interventions
Maltodextrin supplement, Whey supplement, Water
Dietary Supplement
Lead sponsor
Ohio University
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional

The TREND Study: Tapered Reduction in Energy Intake as a Novel Approach to Dieting

NCT02837211
View directory record Official record
Conditions
Obesity
Interventions
Tapered Low Calorie Diet, Traditional Low-Calorie Diet
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Influence of a Monopoly Game on Subtle Behaviors

NCT02470949
View directory record Official record
Conditions
Obesity, Eating Behavior
Interventions
Low Social Status, High Social Status
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
19 Years to 25 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 22, 2016 · Synced Oct 20, 2026, 2:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Consistency in Individual Differences in Energy Intake Following Acute Exercise

NCT01645956
View directory record Official record
Conditions
Obesity, Sedentary
Interventions
Not listed
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 19, 2015 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhanced Internet Behavior Therapy for Treating Obesity

NCT00212238
View directory record Official record
Conditions
Obesity
Interventions
internet behavioral weight loss program
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
21 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 18, 2010 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Ultra Processed Versus Unprocessed Diets on Energy Intake

NCT03407053
View directory record Official record
Conditions
Healthy Diet
Interventions
Ultra-processed diet, Unprocessed diet
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 29, 2021 · Synced Oct 20, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developing Novel Methods to Teach Children to Recognize Internal Signals of Hunger

NCT03064919
View directory record Official record
Conditions
Pediatric Obesity
Interventions
Curriculum Testing
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
4 Years to 5 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced Oct 20, 2026, 2:23 PM EDT