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ClinicalTrials.gov public records Last synced May 22, 2026, 1:40 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 19,723 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Behavior Clear all
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Smoking Cessation
Interventions
CoQuit App
Behavioral
Lead sponsor
Oregon Research Behavioral Intervention Strategies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Springfield, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced May 22, 2026, 1:40 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Major Depressive Disorder, Anhedonia
Interventions
Cross-frequency transcranial alternating current stimulation via the NeuroConn Direct Current Stimulator Plus
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 24, 2024 · Synced May 22, 2026, 1:40 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Pediatric Obesity
Interventions
Lifestyle intervention and carotenoid supplements, Lifestyle intervention and placebo
Other
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
8 Years to 11 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 17, 2024 · Synced May 22, 2026, 1:40 AM EDT
Completed Phase 1 Interventional Results available
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Pregnenolone 500 mg, Pregnenolone 800 mg, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2024 · Synced May 22, 2026, 1:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Loneliness, Mental Health Issue, Distress, Emotional, Depression, Anxiety, Stress
Interventions
Overcoming Loneliness three-week intervention, Overcoming Loneliness single-session intervention, Single-session "Sharing Feelings" program, The Blu Surfer program: a popular online content-based intervention for psychological distress, The Action Brings Change (ABC) Program (TEAM Lab version), Online help-seeking as usual, The Lonely Blu Surfer program: a popular online content-based intervention for loneliness, Overcoming loneliness SSI 8-minute version
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
16 Years and older
Enrollment
4,370 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jul 21, 2024 · Synced May 22, 2026, 1:40 AM EDT
Enrolling by invitation Phase 4 Interventional
View directory record Official record
Conditions
Dementia, Parkinsonism, Mild Cognitive Impairment, REM Sleep Behavior Disorder
Interventions
I-123 Ioflupane solution injection prior to SPECT scan (DaTscan), Single photon emission computed tomography (SPECT) scan
Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 90 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced May 22, 2026, 1:40 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Nicotine lower dose, Nicotine higher dose, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Burbank, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced May 22, 2026, 1:40 AM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
Conditions
Sleep Apnea
Interventions
Behavioral strategy program X plus Y, Behavioral strategy program X
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
2
States / cities
West Los Angeles, California • Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced May 22, 2026, 1:40 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Obesity
Interventions
Adaptive SMARTer intervention (SMARTer), Diabetes Prevention Program (DPP), Self-Guided Treatment (Self-Guided)
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years and older
Enrollment
492 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced May 22, 2026, 1:40 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Human Immunodeficiency Virus, Mental Health
Interventions
D*STAR, D*HEALTH
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
13 Years to 20 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 26, 2020 · Synced May 22, 2026, 1:40 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Mild Traumatic Brain Injury
Interventions
Goal Management Training, Attention Training, Brain Health Workshop, National geographic movies
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
19 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 29, 2024 · Synced May 22, 2026, 1:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Feeding Behaviors
Interventions
Varying meal energy density and portion size
Other
Lead sponsor
Penn State University
Other
Eligibility
3 Years to 6 Years
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 23, 2014 · Synced May 22, 2026, 1:40 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Methylphenidate HCl, Risperidone, Parent Management Training (PMT), Placebo
Drug · Behavioral
Lead sponsor
Michael Aman
Other
Eligibility
6 Years to 12 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
4
States / cities
Stony Brook, New York • Cleveland, Ohio • Columbus, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2017 · Synced May 22, 2026, 1:40 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
PreDiabetes
Interventions
Sleep extension, Habitual sleep
Behavioral · Other
Lead sponsor
New York University
Other
Eligibility
21 Years to 64 Years
Enrollment
393 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced May 22, 2026, 1:40 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Burnout, Professional, Stress
Interventions
SMART-3RP
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
Boston, Massachusetts • Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 23, 2021 · Synced May 22, 2026, 1:40 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Diabetes, Obesity
Interventions
EXERCISE
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced May 22, 2026, 1:40 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Drug Use, Alcohol Use
Interventions
SBIRT+
Behavioral
Lead sponsor
Treatment Research Institute
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
3
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced May 22, 2026, 1:40 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Ventricular Function
Interventions
Aerobic Exercise Training, Alagebrium (generic: ALT-711), Tai Chi and/or Yoga Training
Behavioral · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
65 Years to 80 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced May 22, 2026, 1:40 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Physical Inactivity, Aging, Cognitive Ability, Behavior Change
Interventions
Text Messaging Intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
40 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced May 22, 2026, 1:40 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smartphone-based intervention messages
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 40 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced May 22, 2026, 1:40 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Wellness Patient Message
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 89 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced May 22, 2026, 1:40 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
E-Cig Use
Interventions
Viewing e-cigarette ads
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 26 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced May 22, 2026, 1:40 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV
Interventions
Men of African American Legacy Empowering Self, Standard HIV Education & Risk Reduction
Behavioral
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years and older · Male only
Enrollment
437 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2014 · Synced May 22, 2026, 1:40 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Prostatic Neoplasm
Interventions
Home-Based Exercise Program
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
40 Years and older · Male only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced May 22, 2026, 1:40 AM EDT