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ClinicalTrials.gov public records Last synced Oct 17, 2026, 4:32 AM EDT

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Showing 1–24 of 61 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: USDA Grand Forks Human Nutrition Research Center Clear all
Completed No phase listed Observational Accepts healthy volunteers Results available

Measurements of Body Iron Excretion of Healthy Adults

NCT00755105
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2005
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Jul 2, 2018 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Motivation to Exercise

NCT02444247
View directory record Official record
Conditions
Overweight, Obesity, Physical Activity
Interventions
High Dose Exercise (300 kcal), Low Dose Exercise (150 kcal), No Exercise (0 kcal), Sedentary Option
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 49 Years
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Daily Protein Intake Patterns on Energy Metabolism and the Motivation to Snack

NCT02795442
View directory record Official record
Conditions
Obesity
Interventions
Even protein, Skewed protein
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
20 Years to 60 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2024
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Spontaneous Non-exercise Activity (The Sitting Study)

NCT02809521
View directory record Official record
Conditions
Sedentary Lifestyle
Interventions
Activity Liking
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
20 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Feb 2, 2022 · Synced Oct 17, 2026, 4:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biologic Assessment of Satiety

NCT01506297
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
25 Years to 45 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 3, 2018 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lifestyle Modification and Potato Consumption

NCT01771926
View directory record Official record
Conditions
Obesity
Interventions
potatoes, other carbohydrate
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
20 Years to 65 Years
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 3, 2018 · Synced Oct 17, 2026, 4:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Chocolate Study 2.0

NCT04037020
View directory record Official record
Conditions
Normal Weight
Interventions
Chocolate
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Juice Study: Sensitivity of Skin Carotenoid Status to Detect Change in Intake

NCT03202043
View directory record Official record
Conditions
Overweight
Interventions
High dose vegetable juice, Medium dose vegetable juice, Low dose vegetable juice, Control bottled water
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated May 16, 2022 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Meat Protein and Calcium: Do They Interact Synergistically or Antagonistically?

NCT00700804
View directory record Official record
Conditions
Dietary Proteins
Interventions
High Protein Diet, Low Protein Diet
Behavioral
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
50 Years to 80 Years · Female only
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Jul 2, 2018 · Synced Oct 17, 2026, 4:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Survey of Diet and Health Beliefs

NCT04858971
View directory record Official record
Conditions
Dietary Guidelines
Interventions
Perception of information source
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Standing Behavior After Installation of Height-Adjustable Desks

NCT01787643
View directory record Official record
Conditions
Office Workers, Sitting Occupations
Interventions
Height-Adjustable Desk Intallation in Office
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Feb 2, 2022 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional

Weight Loss Pilot Study in Postmenopausal Breast Cancer Survivors

NCT02940470
View directory record Official record
Conditions
Breast Cancer, Obesity, Overweight
Interventions
Calorie restricted diet plus exercise, Weight management classes
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
44 Years to 75 Years · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 3, 2018 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Magnesium Nutrition and Sleep Behavior in Older Adults

NCT00833092
View directory record Official record
Conditions
Nutritional Deficiency, Insomnia
Interventions
Sugar Pill, magnesium
Dietary Supplement
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
51 Years and older
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Mar 26, 2015 · Synced Oct 17, 2026, 4:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Resting Metabolic Rate Reliability

NCT02130960
View directory record Official record
Conditions
Resting Metabolic Rate Reliability
Interventions
Not listed
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Feb 2, 2022 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Active Games: Increasing the Attractiveness of Active Video Game Play for Youth

NCT02940431
View directory record Official record
Conditions
Child, Overweight, Sedentary Lifestyle
Interventions
High Autonomy, Low Autonomy
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
8 Years to 12 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 17, 2026, 4:32 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 17, 2026, 4:32 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Dietary Guidelines for Americans-Ultra Processed Study

NCT07252037
View directory record Official record
Conditions
Overweight , Obesity, Class I Obesity
Interventions
Low-processed DGA Diet, Ultra-processed DGA Diet
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise Genes: Genomic Association With Exercise Reinforcement

NCT02416882
View directory record Official record
Conditions
Overweight, Obesity, Physical Activity
Interventions
Aerobic Exercise, Resistance Exercise, Sedentary Option
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 50 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Eating Beans on Metabolism

NCT06123208
View directory record Official record
Conditions
Overweight
Interventions
Whole cooked pinto bean, Pinto bean flour, Control
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
19 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Good Intentions Study

NCT03498781
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Exercise-only, Control
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Feb 2, 2022 · Synced Oct 17, 2026, 4:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Barriers and Facilitators to Vegetable Intake

NCT03607526
View directory record Official record
Conditions
Overweight, Obese
Interventions
Barriers, Facilitators
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Feb 2, 2022 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Carotenoid Response to the Intake of Vegetables and Fruits

NCT01403844
View directory record Official record
Conditions
Resonance Raman Spectroscopy for Dietary Carotenoid Intake
Interventions
Carotenoid Depletion, Carotenoid Repletion, Natural Repletion
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated May 20, 2020 · Synced Oct 17, 2026, 4:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Breathe Light Study

NCT01976455
View directory record Official record
Conditions
Over-eating, Obesity
Interventions
20% fewer calories, 40% fewer calories
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Feb 2, 2022 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Motivating Value of Vegetables Study

NCT02585102
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Recommended Vegetable Intake, Usual Vegetable Intake
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 7, 2020 · Synced Oct 17, 2026, 4:32 AM EDT