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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mental Energy Clear all
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Topical Roll-on and Diffuser Blend on Sleep Quality and Sleep Duration

NCT07779382
View directory record Official record
Conditions
Sleep Quality, Sleep Duration, Fatigue, Energy Levels, Overall Health and Well-Being
Interventions
Sleep Well Diffuser Blend followed by Sleep Well Roll-On
Dietary Supplement
Lead sponsor
Saie Beauty
Industry
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional

Music Therapy and Dialysis: A Pilot Investigation Into the Effectiveness of Patient-Selected Music Interventions on Physiological, Psychological, and Quality-of-Life Outcomes

NCT03925168
View directory record Official record
Conditions
End Stage Renal Disease, Depression, Anxiety, Major Depressive Disorder, Generalized Anxiety Disorder, Compliance, Patient, Compliance, Medication, Mood, Pain, Energy Supply; Deficiency, Quality of Life, Blood Pressure, Heart Rate Fast
Interventions
Music therapy
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
3
States / cities
New Orleans, Louisiana • Terrytown, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced Sep 28, 2026, 1:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Bone Mineral Density in Women With Major Depression

NCT00001413
View directory record Official record
Conditions
Healthy, Involutional Depression, Osteoporosis
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years and older
Enrollment
585 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1994 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional

Improving Safety of Diagnosis and Therapy in the Inpatient Setting

NCT04393909
View directory record Official record
Conditions
Delirium, Confusion, Mental Status Change, Back Pain, Hip Pain Chronic, Chest Pain, Asthma, COPD, Cellulitis, Soft Tissue Infections, Cough, Deep Vein Thrombosis, Pulmonary Embolism, Venous Thromboembolism, Dyspnea, Electrolyte Metabolism Abnormal, Fever, Failure to Thrive, Weakness, Protein-Calorie Malnutrition, Headache, Neck Pain, Hypoxia, Pneumonia, Sepsis, Syncope, Vomiting, Diarrhea, Leg Pain, Abdominal Pain
Interventions
Diagnostic Uncertainty Educational Curriculum, Diagnostic Timeout, Patient Diagnostic (Dx) Questionnaire, Enhancements to Epic-integrated Quality & Safety Dashboard
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Sep 28, 2026, 1:37 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Low Energy Availability and Hypertension in Division I HBCU Athletes

NCT07583940
View directory record Official record
Conditions
Vascular Stiffness, Hypertension (HTN), Nutritional Deficiency Related Cardiovascular Risk in Athletes
Interventions
Not listed
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
18 Years to 26 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluate the Effectiveness and Safety of the Alpinia Galanga Formulation, Theacrine Formulation, and Caffeine Formulation on Fatigue, Mental Acuity, and Cognitive Health

NCT05170113
View directory record Official record
Conditions
Fatigue
Interventions
Alpinia galanga formulation, Theacrine formulation, Caffeine formulation, Placebo
Dietary Supplement
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
30 Years to 70 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition for Health and Performance in Female Collegiate Soccer Players

NCT06581237
View directory record Official record
Conditions
Healthy
Interventions
Eat2Win App
Other
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Sep 28, 2026, 1:37 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT06784544
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 19, 2025 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Guayusa: The Effect of an Herbal Extract on Alertness and Mental Fatigue

NCT05530915
View directory record Official record
Conditions
Attention Difficulties
Interventions
Gel capsule
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 13, 2022 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep Deprivation and Energy Balance

NCT01334788
View directory record Official record
Conditions
Sleep Deprivation
Interventions
sleep deprivation, Normal sleep
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 11, 2023 · Synced Sep 28, 2026, 1:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Characterization of WAGR Syndrome and Other Chromosome 11 Gene Deletions

NCT00758108
View directory record Official record
Conditions
WAGR Syndrome, Wilm's Tumor, Aniridia, Urogenital Abnormalities, Mental Retardation
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
2 Years to 99 Years
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Phase 2 Interventional Results available

Clinical Study to Test a New Drug to Treat Major Depression

NCT00976560
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
GW856553, Placebo
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 60 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
4
States / cities
Hoffman Estates, Illinois • Park Ridge, Illinois • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact Loading Effect on Bone Biomarkers in Female Runners

NCT05341700
View directory record Official record
Conditions
Relative Energy Deficiency in Sport
Interventions
Impact Load Exercises, No Impact Load Exercises
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dose Effect of a Plant Extract on Fatigue

NCT03870126
View directory record Official record
Conditions
Mental Energy, Physical Performance
Interventions
Flavored beverage
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 49 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Phase 1Phase 2 Interventional

Creatine Therapy for Huntington's Disease

NCT00026988
View directory record Official record
Conditions
Huntington's Disease
Interventions
Creatine
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
4
States / cities
Boston, Massachusetts • Long Island City, New York • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Sep 28, 2026, 1:37 PM EDT
Recruiting Not applicable Interventional

Asthma Intervention With Residential Ventilation and Air Cleaner (AIRVAC) Study

NCT07196436
View directory record Official record
Conditions
Asthma Control, Pulmonary Function, Quality of Life, Stress, Sleep Quality
Interventions
Energy Recovery Ventilator, Portable Air Cleaner, Energy Recovery Ventilator (Sham), Portable Air Cleaner (Sham)
Device
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
5 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Arlington, Texas • Plano, Texas
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Brain Energy Metabolism in Individuals With Major Depressive Disorder Receiving Escitalopram

NCT00183677
View directory record Official record
Conditions
Depression
Interventions
Escitalopram
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 3, 2017 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Vitality Dietary Supplement on Physical and Mental Function in Middle-aged Adults

NCT01155076
View directory record Official record
Conditions
Health-related Quality of Life
Interventions
Vitality Product, Placebo
Dietary Supplement
Lead sponsor
Pharmanex
Industry
Eligibility
40 Years to 70 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Tucson, Arizona • Chaska, Minnesota • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 13, 2013 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional

Ketone Supplementation in Eating Disorders

NCT05507008
View directory record Official record
Conditions
Anorexia Nervosa, Bulimia Nervosa, Atypical Anorexia Nervosa, Atypical Bulimia Nervosa
Interventions
Kenetik Ketone Drink
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 28, 2026, 1:37 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Make Better Choices 2 for Rural Appalachians

NCT04309461
View directory record Official record
Conditions
Health Behavior
Interventions
Stress Management Control, Adapted MBC2 Program
Behavioral
Lead sponsor
Nancy Schoenberg
Other
Eligibility
18 Years to 100 Years
Enrollment
279 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Benham, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 28, 2026, 1:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Energy Homeostasis in Anorexia Nervosa

NCT00368667
View directory record Official record
Conditions
Anorexia Nervosa
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2010 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of Dietary Supplement Liquid Shot Products on Mental Energy, Cognition (Acuity),and Mood

NCT06384586
View directory record Official record
Conditions
Cognition, Mental Fatigue, Mood
Interventions
Placebo shot, Functional energy shot
Dietary Supplement
Lead sponsor
The Water Street Collective
Industry
Eligibility
18 Years to 30 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Iselin, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Ketosis: Fatty Acids Activate AMPK Energy Circuits Modulating Global Methylation

NCT03319173
View directory record Official record
Conditions
Mild Cognitive Impairment, Metabolic Syndrome
Interventions
Dietary intervention
Behavioral
Lead sponsor
Bristlecone Health, Inc.
Industry
Eligibility
35 Years to 80 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Maple Grove, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 11, 2019 · Synced Sep 28, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of the Female Athlete Body Project (FAB)

NCT01735994
View directory record Official record
Conditions
Eating Disorders, Female Athlete Triad
Interventions
Healthy Weight, Brochure
Behavioral · Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
Female only
Enrollment
481 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Sep 28, 2026, 1:37 PM EDT