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Showing 1–14 of 14 matching trials from the live ClinicalTrials.gov search.
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Conditions
Energy Deficiency Due to Short-term Fasting, Hormonal Contraception
Interventions
Energy Deficiency of approximately ~250 kcal/day
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Protein on Musculoskeletal Health During Calorie Deficiency

NCT01292395
Conditions
Weight Loss, Muscle Loss, Bone Loss
Interventions
Dietary Protein Intake
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 42 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Grand Forks, North Dakota
Conditions
Body Composition, Physical Function, Energy Balance
Interventions
Structured nutrition plan, Typical or usual diet, Supervised Exercise
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
50 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Weight Loss, Other Effects of High Altitude
Interventions
Standard pro, High pro, carbo bev, placebo bev
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 42 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Natick, Massachusetts
Conditions
Obesity
Interventions
protein and meal frequency
Other
Lead sponsor
Skidmore College
Other
Eligibility
30 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Saratoga Springs, New York
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Repeated Operational Stress and Limited Recovery on Resilience Capacity

NCT06784544
Conditions
Sleep, Inadequate, Energy Deficit, Iron Absorption, High Physical Activity
Interventions
Operational Stressors
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 39 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Natick, Massachusetts
Conditions
Whole-body Protein Balance, Muscle Protein Synthesis
Interventions
Essential Amino Acid Enriched Whey Protein, Whey Protein, Military Ration Entree
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Natick, Massachusetts
Conditions
Energy Supply; Deficiency
Interventions
BAL:GLU, BAL:GLU+FRU, DEF:GLU, DEF:GLU+FRU
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Natick, Massachusetts
Conditions
Caloric Restriction, Exercise
Interventions
Sesame Oil, testosterone enanthate
Drug
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 39 Years · Male only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Energy Deficit
Interventions
EAA+W & Carbohydrate, EAA+W & EAA
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 35 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Natick, Massachusetts
Conditions
Energy Supply; Deficiency, Severe, Energy Supply; Deficiency, Stress, Physiological
Interventions
Energy Deficit
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 35 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Natick, Massachusetts
Conditions
Iron Absorption
Interventions
Exercise test
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 45 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
MELAS Syndrome, Lebers Hereditory Optic Neuropathy With Extra Ocular Symptoms (LHON-Plus)
Interventions
Glycerol Tributyrate
Drug
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
ADHD, Attention Difficulties, Mood, Anxiety, Caffeine
Interventions
Proper Wild energy shot
Other
Lead sponsor
Proper Wild, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California