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Showing 1–24 of 261 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Web-based Prevention Clear all
Completed Not applicable Interventional Results available

Cognitive Behavioral Therapy to Treat Insomnia in Persons With HIV Infection

NCT03390114
View directory record Official record
Conditions
HIV/AIDS, Insomnia
Interventions
SHUTi
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 20, 2021 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Digital Game Targeting Suicide Prevention in Adolescents Who Report Substance Misuse

NCT05517382
View directory record Official record
Conditions
Substance Misuse, Suicide
Interventions
supportED, Control
Other
Lead sponsor
Yale University
Other
Eligibility
13 Years to 19 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 9, 2024 · Synced Sep 4, 2026, 1:53 AM EDT
Recruiting Not applicable Interventional

Online Social Learning Program for Parents With Irritable Bowel Syndrome: Raising Resilient Children

NCT05730491
View directory record Official record
Conditions
Irritable Bowel Syndrome, Abdominal Pain
Interventions
Social Learning and Cognitive Behavioral Therapy (SLCBT), Attention Education Control
Behavioral
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
460 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional

Measuring Hydration Levels of Healthy and Heart Failure Patients Before, During, and After an Electrophysiology (EP) Procedure

NCT04609683
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
AleriTM sensors
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional

Improving Care and Reducing Cost Study

NCT02364544
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Psychosis NOS
Interventions
Relapse Prevention Plan, Daily Support Website, Computer CBT for voices and paranoia, FOCUS, Prescriber Decision Assistant
Behavioral · Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 60 Years
Enrollment
461 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
8
States / cities
Fort Lauderdale, Florida • Lawrenceburg, Indiana • Grand Rapids, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2017 · Synced Sep 4, 2026, 1:53 AM EDT
Recruiting Not applicable Interventional

Feasibility of Internet-based HIV Prevention Research

NCT07625917
View directory record Official record
Conditions
HIV Prevention, Injection Drug Use
Interventions
Mail delivery of at-home self-administered HIV tests
Diagnostic Test
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 4, 2026, 1:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

ChangeGradients: Promoting Adolescent Health Behavior Change

NCT04110756
View directory record Official record
Conditions
Alcohol Drinking, Self Efficacy, Adolescent Behavior, Risk-Taking, Cancer
Interventions
ChangeGradients
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
15 Years to 17 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Results available

Effects of a Patient Portal Intervention to Address Diabetes Care Gaps

NCT04894903
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Diabetes Care Gaps Patient Portal Intervention
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Violence Prevention for Middle School Boys

NCT03109184
View directory record Official record
Conditions
Intimate Partner Violence
Interventions
Project STRONG
Behavioral
Lead sponsor
Northeastern University
Other
Eligibility
12 Years to 14 Years · Male only
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 19, 2019 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

CRISOL Contigo: a Multi-level Intervention to Reduce the Disproportionate Toll of COVID-19 Among Latino Communities in Philadelphia.

NCT04646616
View directory record Official record
Conditions
Covid19, Mental Health Issue, Violence
Interventions
Community popular opinion leader (POL) based intervention
Other
Lead sponsor
Drexel University
Other
Eligibility
18 Years and older
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 4, 2023 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional

Project HEALS (Helping and Empowering pAtients for Living a Life Smoke-free

NCT05362318
View directory record Official record
Conditions
Smoking, Tobacco Use, Lung Cancer
Interventions
Nicotine patch and lozenges, Telephone counseling sessions, Access to a web-based video, Florida Tobacco Quitline
Drug · Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 4, 2026, 1:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

TransHealthGUIDE: Transforming Health for Gender-Diverse Young Adults

NCT06177600
View directory record Official record
Conditions
Transgender Persons, Health Services for Transgender Persons, Gender Identity
Interventions
Interactive educational digital platform for transgender and gender-diverse (TGD) young adults and caregivers
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 29 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Sep 4, 2026, 1:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Mental Health in Primary Care

NCT05426057
View directory record Official record
Conditions
Depression, Anxiety, Suicide, Drug Use
Interventions
eHealth Familias Unidas Mental Health
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
12 Years to 16 Years
Enrollment
468 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
17
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthy Mood Internet Recruitment Study

NCT01607164
View directory record Official record
Conditions
Recruitment
Interventions
Healthy Mood Project Website
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
1,226 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 24, 2015 · Synced Sep 4, 2026, 1:53 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Helpers Program On-line Training on Smoking Relapse and Social Networks

NCT05641974
View directory record Official record
Conditions
Smoking, Cigarette Smoking
Interventions
Helpers Stay Quit Training
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 99 Years
Enrollment
940 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Prevention of Postpartum Weight Retention in Low Income WIC Women

NCT01408147
View directory record Official record
Conditions
Obesity
Interventions
Online postpartum weight control
Behavioral
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
371 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
2
States / cities
San Luis Obispo, California • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Skin Health in Young Adults - Preventing Indoor Tanning and Promoting Sun Protection

NCT03132012
View directory record Official record
Conditions
Skin Neoplasms
Interventions
Indoor tanning intervention, Standard of care control
Behavioral
Lead sponsor
Yale University
Other
Eligibility
20 Years to 30 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Developing an Online Mindfulness-based Intervention to Reduce Minority Stress and HIV Risk Among Young Adult MSM - Aim 3

NCT05855655
View directory record Official record
Conditions
Hiv, Minority Stress, Mental Health Wellness 1
Interventions
Mindfulness-Based Queer Resilience (MBQR)
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional

Balance After Baby Intervention for Women With Recent Gestational Diabetes

NCT02744300
View directory record Official record
Conditions
Gestational Diabetes Mellitus
Interventions
BABI-2 Lifestyle Intervention
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MeFirst: A Tailored Intervention to HPV Vaccine Decision Making

NCT01769560
View directory record Official record
Conditions
Human Papillomavirus-Related Carcinoma
Interventions
MeFirst Tailored Intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 26 Years · Female only
Enrollment
661 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 21, 2015 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Results available

Preventing Overdose Using Information and Data From the Environment

NCT05096429
View directory record Official record
Conditions
Opioid Overdose, Drug Overdose
Interventions
PROVIDENT
Behavioral
Lead sponsor
Brown University
Other
Eligibility
Not listed
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Virtual Human Delivered Nutrition Module for Colorectal Cancer Prevention

NCT04192071
View directory record Official record
Conditions
Colorectal Cancer
Interventions
virtual technology - high interactive, virtual technology - low interactive, non-colorectal cancer related module
Other
Lead sponsor
University of Florida
Other
Eligibility
45 Years to 73 Years
Enrollment
139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Keep It Up! 2.0: A Comparison of Two Online HIV Intervention Programs for Young Men Who Have Sex With Men

NCT01836445
View directory record Official record
Conditions
HIV, Gonorrhea, Chlamydia
Interventions
Keep It Up!, HIV Knowledge Control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
901 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
3
States / cities
Atlanta, Georgia • Chicago, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 14, 2022 · Synced Sep 4, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Web-based Intervention to Prevent Risky Driving

NCT02319317
View directory record Official record
Conditions
Adolescent, Accidents, Traffic, Attention, Motor Vehicles
Interventions
Risky driving prevention, Control group general health promotion
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
16 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 4, 2026, 1:53 AM EDT