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Showing 1–24 of 260 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mental Fatigue Clear all
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of a Caffeine Blend on Reaction Time, Mental Performance and Focus in Athletic Males

NCT03019523
View directory record Official record
Conditions
Mental Fatigue
Interventions
Caffeine Blend, Sugar Pill
Dietary Supplement · Other
Lead sponsor
University of Mary Hardin-Baylor
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Belton, Texas
Source: ClinicalTrials.gov public record
Updated Jan 24, 2017 · Synced Jun 25, 2026, 10:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cognitive Dysfunction in Postural Tachycardia Syndrome

NCT01366963
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Seated Measurements, Standing Measurements, Self-Administered Surveys
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 16, 2016 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Not applicable Interventional

Effect of In-Patient Exercise Training on Length of Hospitalization in Burned Patients

NCT02739464
View directory record Official record
Conditions
Muscle Weakness, Late Effect of Burn, Muscle; Fatigue, Heart, Burn Rehabilitation
Interventions
Exercise + SOC PT/OT, SOC PT/OT
Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
7 Years to 60 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
4
States / cities
Davis, California • Dallas, Texas • Galveston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Not applicable Interventional Results available

PROMIS Measures in Primary Care Practice

NCT02383862
View directory record Official record
Conditions
Sleep, Pain, Anxiety, Depression, Fatigue
Interventions
Feedback Group
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 15, 2017 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Dose Escalation, Double-Blind Treatment With Duloxetine Hydrochloride Once Daily Dosing for Evaluation of Safety in Major Depression

NCT00042575
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Duloxetine
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
9
States / cities
Trumbull, Connecticut • Lafayette, Indiana • Gaithersburg, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2006 · Synced Jun 25, 2026, 10:06 PM EDT
Not yet recruiting Phase 2Phase 3 Interventional

Sildenafil to Prevent and Reduce Cancer Related Cognitive Impairment

NCT06800092
View directory record Official record
Conditions
Cancer
Interventions
Sildenafil
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
30 Years to 50 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jun 25, 2026, 10:06 PM EDT
Completed No phase listed Observational

Do EEG and Neurocognitive Assessments Correlate With COVID Brainfog Symptoms?

NCT05303116
View directory record Official record
Conditions
COVID-19
Interventions
Brainscope modified EEG and cognitive testing
Diagnostic Test
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
18 Years to 85 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated May 17, 2025 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Not applicable Interventional

Eszopiclone for Improving Sleep in Multiple Sclerosis (MS)

NCT00594087
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis, Sleep Initiation and Maintenance Disorders, Fatigue
Interventions
eszopiclone, placebo
Drug · Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 64 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jan 4, 2009 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Not applicable Interventional

The Effect of Cognitive Behavioral Therapy for Insomnia on Type 2 Diabetes Health Outcomes

NCT03713996
View directory record Official record
Conditions
Type2 Diabetes, Insomnia
Interventions
Cognitive behavioral therapy for insomnia, Health Education
Behavioral · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
40 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Not applicable Interventional Results available

Cognitive Behavioral Therapy and Light Therapy

NCT05337943
View directory record Official record
Conditions
Pulmonary Hypertension, Insomnia, Fatigue
Interventions
CBT-I, Bright Light Therapy
Behavioral · Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 26, 2025 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Phase 2 Interventional

Combination Chemotherapy Plus Fluoxetine in Treating Patients With Advanced or Recurrent Non-Small Cell Lung Cancer

NCT00005850
View directory record Official record
Conditions
Anxiety Disorder, Depression, Fatigue, Lung Cancer
Interventions
cisplatin, fluoxetine, gemcitabine hydrochloride
Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
Not listed
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
42
States / cities
Anniston, Alabama • San Diego, California • Washington D.C., District of Columbia + 35 more
Source: ClinicalTrials.gov public record
Updated Jul 3, 2016 · Synced Jun 25, 2026, 10:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comic Relief: Graphic Medicine as Care for Caregivers

NCT07207265
View directory record Official record
Conditions
Mental Wellbeing
Interventions
Not listed
Lead sponsor
University of California, Riverside
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Measuring the Effect of Chair Massage on Stress Related Symptoms for Nurses

NCT01504763
View directory record Official record
Conditions
Stress, Fatigue, Anxiety, Tension
Interventions
Chair massage
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 7, 2012 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Phase 3 Interventional

Fatigue Intervention Trial for Breast Cancer Survivors

NCT00513136
View directory record Official record
Conditions
Fatigue
Interventions
Group based mind body medicine intervention, Group-based mind body medicine intervention + family focus
Behavioral
Lead sponsor
Mercy Medical Center
Other
Eligibility
Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Health and Energy Through Active Living Every Day After Cancer Intervention for Cancer Survivors

NCT05356988
View directory record Official record
Conditions
Quality of Life, Cognitive Decline, Fatigue, Sleep, Anxiety, Depression
Interventions
Physical activity experiment, Balance and flexibility control
Behavioral
Lead sponsor
American Cancer Society, Inc.
Other
Eligibility
55 Years to 77 Years
Enrollment
415 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Kennesaw, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 10, 2024 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Not applicable Interventional

A Patient-Controlled Cognitive-Behavioral Intervention for Cancer Symptoms

NCT00946803
View directory record Official record
Conditions
Pain, Fatigue, Sleep Disturbance, Cancer
Interventions
Patient-Controlled Cognitive-Behavioral Intervention
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 29, 2014 · Synced Jun 25, 2026, 10:06 PM EDT
Completed No phase listed Observational Results available

Endocrine, Metabolic and Microbiome Influence on the Post-acute Sequelae SARS-CoV-2 (PASC)

NCT04860869
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 80 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 27, 2024 · Synced Jun 25, 2026, 10:06 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

DESCANSO, a Mental Health Intervention for Depression, Insomnia, and Fatigue Symptoms in Latino People With Cancer

NCT07225088
View directory record Official record
Conditions
Solid Tumor, Solid Tumor, Adult
Interventions
DESCANSO/Depresión/Depressed Mood, Cansancio/Fatigue, and Sueño/Sleep; Rest in English
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Phase 2 Interventional Results available

Yoga in Treating Sleep Disturbance in Cancer Survivors

NCT00397930
View directory record Official record
Conditions
Fatigue, Cancer, Sleep Disorders
Interventions
Standard Care Control Condition, Yoga Intervention (YOCAS)
Procedure
Lead sponsor
Gary Morrow
Other
Eligibility
21 Years to 120 Years
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
11
States / cities
Decatur, Illinois • Wichita, Kansas • Grand Rapids, Michigan + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2017 · Synced Jun 25, 2026, 10:06 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

A Basket Clinical Study to Assess Glycerol Tributyrate in Patients With Mitochondrial Encephalopathy, Lactic Acidosis, Stroke-like Episodes (MELAS) or Leber's Hereditary Optic Neuropathy-Plus (LHON-Plus)

NCT06792500
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jun 25, 2026, 10:06 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

TESTING AN MTM THEORY-BASED INTERVENTION ON REDUCING DROWSY DRIVING BEHAVIOR, "STAY AWAKE, STAY ALIVE ©," AMONG COLLEGE STUDENTS

NCT07434921
View directory record Official record
Conditions
Drowsiness, Sleep Deprivation, Fatigue
Interventions
MTM Theory based intervention, Standard AAA Knowledge based
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Jun 25, 2026, 10:06 PM EDT
Completed Phase 3 Interventional Results available

Brain Function in Premenopausal Women Receiving Tamoxifen With or Without Ovarian Function Suppression for Early-Stage Breast Cancer on Clinical Trial IBCSG 24-02

NCT00659373
View directory record Official record
Conditions
Breast Cancer, Fatigue, Sleep Disorders
Interventions
Tamoxifen, triptorelin, Exemestane
Drug
Lead sponsor
ETOP IBCSG Partners Foundation
Network
Eligibility
Up to 120 Years · Female only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
13
States / cities
Sacramento, California • Fort Collins, Colorado • Norwalk, Connecticut + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2016 · Synced Jun 25, 2026, 10:06 PM EDT
Recruiting Phase 2 Interventional

LIFT: Life Improvement Trial

NCT06366724
View directory record Official record
Conditions
ME/CFS, Long COVID, PASC
Interventions
Pyridostigmine, Low-Dose Naltrexone, Placebo
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Jun 25, 2026, 10:06 PM EDT
Enrolling by invitation No phase listed Observational

Using Digital Health Technology to Monitor Patients With Primary Biliary Cholangitis (PBC)

NCT07631442
View directory record Official record
Conditions
Primary Biliary Cholangitis (PBC)
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Jun 25, 2026, 10:06 PM EDT