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ClinicalTrials.gov public records Last synced Oct 17, 2026, 7:13 PM EDT

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Showing 1–24 of 62 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Low Energy Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Ultrasound of the Spleen Utilizing Low-energy (Diagnostic Level) Insonification.

NCT06934096
View directory record Official record
Conditions
Hemostasis, Blood Biomarkers, Ultrasound
Interventions
Ultrasound Pulsed Doppler Imaging System
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Terminated No phase listed Observational

Study of the Effect of a Very-Low-Carbohydrate Diet on Energy Expenditure

NCT01967563
View directory record Official record
Conditions
Obesity, Appetite, Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 50 Years · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 22, 2025 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects Of Ingesting An Energy Bar On Performance And Recovery

NCT03704337
View directory record Official record
Conditions
Healthy
Interventions
Commercially Available Food Bar, Placebo
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Oct 12, 2018 · Synced Oct 17, 2026, 7:13 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

A Prospective Multicenter Study To Assess The Clinical Outcomes Of Current Phacoemulsification Approach To Cataract Extraction Versus The Micor System Device

NCT05729477
View directory record Official record
Conditions
Cataract Surgery
Interventions
miCOR System, Phaco Subject Cohort
Device
Lead sponsor
Carl Zeiss Meditec, Inc.
Industry
Eligibility
18 Years and older
Enrollment
402 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
6
States / cities
Cape Coral, Florida • West Palm Beach, Florida • Hiawatha, Iowa + 3 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Not applicable Interventional

Low Energy Availability and Recovery From Resistance Exercise

NCT06623747
View directory record Official record
Conditions
Resistance Exercise
Interventions
Diet
Behavioral
Lead sponsor
Chaise Murphy
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Brookings, South Dakota
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Increasing Caloric Intake on Diet-Induced Thermogenesis and 24h Energy Expenditure

NCT05545306
View directory record Official record
Conditions
Obesity, Normal Physiology, Healthy Volunteers
Interventions
+200% of dietary requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, fasting, -50% of energy balance requirements. 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +200% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein, -25% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 60 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Phase 2 Interventional Results available

Does Early Administration of Tranexamic Acid Reduce Blood Loss and Perioperative Transfusion Requirement

NCT03182751
View directory record Official record
Conditions
Hip Fractures, Intertrochanteric Fractures
Interventions
Tranexamic Acid (TXA), Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 30, 2023 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Not applicable Interventional

Treatment of Low Metabolic Rate Following Bariatric Surgery

NCT01596907
View directory record Official record
Conditions
Morbid Obesity
Interventions
Ephedrine sulfate with caffeine, cellulose
Drug
Lead sponsor
Oregon Weight Loss Surgery, LLC
Other
Eligibility
18 Years to 70 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Beaverton, Oregon • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 24, 2015 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

The Testosterone Trials in Older Men

NCT00799617
View directory record Official record
Conditions
Andropause
Interventions
AndroGel® (testosterone gel), Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
65 Years and older · Male only
Enrollment
790 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
12
States / cities
Birmingham, Alabama • La Jolla, California • Torrance, California + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Oct 17, 2026, 7:13 PM EDT
Terminated Not applicable Interventional

Unpinning Termination Therapy for VT (US)

NCT03093051
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Unpinning Termination therapy
Device
Lead sponsor
Cardialen, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
7
States / cities
Sacramento, California • Des Moines, Iowa • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2022 · Synced Oct 17, 2026, 7:13 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Body Composition and Lifestyle Factors in ROTC

NCT07347522
View directory record Official record
Conditions
Low Energy Availability, Physical Performance, Nutrition
Interventions
Not listed
Lead sponsor
Florida State University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Phase 2Phase 3 Interventional

Laser Therapy in Preventing Oral Mucositis in Patients Undergoing Bone Marrow Transplantation

NCT00024037
View directory record Official record
Conditions
Oral Complications
Interventions
management of therapy complications
Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2002
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 17, 2010 · Synced Oct 17, 2026, 7:13 PM EDT
Terminated Not applicable Interventional

MultiPulse Therapy (MPT) for AF (US)

NCT05055921
View directory record Official record
Conditions
Atrial Fibrillation, Paroxysmal Atrial Fibrillation, Persistent Atrial Fibrillation
Interventions
Multi Pulse Therapy as delivered from the Cardialen External Stimulation System
Device
Lead sponsor
Cardialen, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
2
States / cities
Minneapolis, Minnesota • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 10, 2022 · Synced Oct 17, 2026, 7:13 PM EDT
Completed No phase listed Observational

Effects of Diet Changes on Metabolism

NCT00523627
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 55 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Low-calorie Diet in Isolated Impaired Fasting Glucose

NCT06451055
View directory record Official record
Conditions
Isolated Impaired Fasting Glucose
Interventions
Low-calorie diet, Routine dietary and physical activity habits
Behavioral
Lead sponsor
Emory University
Other
Eligibility
35 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Supplement on Markers of Male Fertility

NCT07740161
View directory record Official record
Conditions
Male Infertility, Low Sperm Quality, Low Testosterone, Low Energy, Low Libido
Interventions
WeNatal For Him Supplement
Dietary Supplement
Lead sponsor
WeNatal
Industry
Eligibility
30 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Beverage Consumption and Fine Motor Control

NCT02928653
View directory record Official record
Conditions
Body Weight
Interventions
Beverage
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 60 Years
Enrollment
187 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 21, 2019 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessment of Low Energy Lens Fragmentation Cataract Extraction in Patients Undergoing Cataract Surgery

NCT04747834
View directory record Official record
Conditions
Cataract
Interventions
MICOR-304
Device
Lead sponsor
Carl Zeiss Meditec, Inc.
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
3
States / cities
Vestavia Hills, Alabama • Cape Coral, Florida • Bloomington, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Not applicable Interventional

The RELIEF Study - Researching the Effectiveness of Lumbar Interventions for Enhancing Function

NCT01854892
View directory record Official record
Conditions
Low Back Pain
Interventions
Manipulation, Mobilization, Laser Therapy
Other
Lead sponsor
Ohio University
Other
Eligibility
18 Years to 45 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated May 12, 2017 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Effects of a Supplement on Mucus Clearance and Respiratory Symptoms

NCT07740746
View directory record Official record
Conditions
Mucus Clearance, Respiratory Symptoms, Breathlessness, Chest Mucus Accumulation, Low Energy Levels
Interventions
BetterLungs, Placebo
Dietary Supplement
Lead sponsor
The Better Brand Inc.
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Completed No phase listed Observational

Bariatric Surgery and Weight Loss on Energy Metabolism and Insulin Sensitivity

NCT00936130
View directory record Official record
Conditions
Obesity, Protein-energy; Imbalance, Insulin Sensitivity, Gastrointestinal Complication
Interventions
Laparoscopic Roux-en-Y gastric bypass, Laparoscopic gastric banding, Laparoscopic sleeve gastrectomy, Low Calorie Diet
Procedure · Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 4, 2015 · Synced Oct 17, 2026, 7:13 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Efficacy of Qualia Testosterone+ on Testosterone Levels in Adult Males

NCT07556458
View directory record Official record
Conditions
Low Testosterone Levels
Interventions
Qualia Testosterone+, Placebo
Dietary Supplement · Other
Lead sponsor
Qualia Life Sciences
Industry
Eligibility
28 Years to 65 Years · Male only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Supplement on Symptoms Associated With Hormone Imbalance

NCT07765381
View directory record Official record
Conditions
Hormone Imbalance, Thyroid Hormone Imbalance, Low Energy, Metabolic Symptoms, Unhealthy Eating Habits
Interventions
Hello Burn, Balance Supplement
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
25 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Not yet recruiting No phase listed Observational

3-Dimensional Optical Scanning to Assess and Monitor Malnutrition in Eating Disorders (3D-ED) Study

NCT07726524
View directory record Official record
Conditions
Anorexia in Adolescence, Anorexia Nervosa, Anorexia Nervosa, Atypical, Anorexia Nervosa, Binge Eating/Purging Type, Anorexia Nervosa Restricting Type, Anorexia Nervosa With Significantly Low Body Weight, Body Composition Changes, Growth & Development, Malnutrition Severe, Malnutrition, Calorie
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
15 Years to 26 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
2
States / cities
San Francisco, California • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 17, 2026, 7:13 PM EDT