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ClinicalTrials.gov public records Last synced Oct 17, 2026, 8:48 PM EDT

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

Showing 97–120 of 1,431 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Control Message Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Intervention to Enhance PrEP Persistence

NCT06872307
View directory record Official record
Conditions
HIV Prevention, HIV Infection Primary
Interventions
RAMP-It-Up Initiation, Adherence, and Retention Intervention
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
3
States / cities
Atlanta, Georgia • Jackson, Mississippi • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional

Implementing Diabetes Group Visits in Community Health Centers

NCT02347514
View directory record Official record
Conditions
Diabetes
Interventions
Diabetes group visit
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 9, 2018 · Synced Oct 17, 2026, 8:48 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Randomized Controlled Physical Activity App Intervention for Black Women

NCT07114900
View directory record Official record
Conditions
Physical Activity
Interventions
PA4Health app physical activity intervention, Wellness Text Messaging Program
Behavioral
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 64 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Oct 17, 2026, 8:48 PM EDT
Active, not recruiting Not applicable Interventional

EPI-MINN: Targeting Cognition and Motivation

NCT05112432
View directory record Official record
Conditions
Psychosis
Interventions
Cognitive and Social Cognitive Training, Personalized Real-Time Intervention for Motivational Enhancement (PRIME) App, Early Psychosis Coordinated Specialty Care
Device · Behavioral · Other
Lead sponsor
University of Minnesota
Other
Eligibility
15 Years to 40 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
3
States / cities
Duluth, Minnesota • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Trial Assessing the Effectiveness of Text Messages in Improving Continuation of Birth Control

NCT01545609
View directory record Official record
Conditions
Initiation of a Birth Control Method
Interventions
Text messaging
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
15 Years to 19 Years · Female only
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 24, 2013 · Synced Oct 17, 2026, 8:48 PM EDT
Not listed Not applicable Interventional

FE-SaLiR: Function Improvement Exercise

NCT04284137
View directory record Official record
Conditions
Disability Physical, Cognitive Impairment
Interventions
Modified FE-SaLiR, Unmodified Chinese Medicine Exercise, Active Control
Behavioral
Lead sponsor
The University of Texas at San Antonio
Other
Eligibility
60 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional

The DETECT HCV Linkage to Care Trial

NCT04026867
View directory record Official record
Conditions
Hepatitis C
Interventions
Linkage Navigation, Clinician Referral
Other
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
309 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Oct 17, 2026, 8:48 PM EDT
Terminated Not applicable Interventional

Discontinuation of Automated Engagement Support

NCT02578628
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Patient Engagement
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Palm Desert, California
Source: ClinicalTrials.gov public record
Updated May 8, 2018 · Synced Oct 17, 2026, 8:48 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

QT-Digital Mental Health Engagement Study

NCT07278765
View directory record Official record
Conditions
Engagement, Patient
Interventions
HAPA Engagement Strategies
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
14 Years and older
Enrollment
2,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Alexandria, Virginia • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Teen Pregnancy in the Emergency Department

NCT03866811
View directory record Official record
Conditions
Reproductive Behavior, Sexual Behavior, Adolescent Behavior, Contraception
Interventions
Dr. Erica
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 6, 2024 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fitbit One and Text Messaging Prompts to Promote Physical Activity in Overweight/Obese Adults

NCT02188875
View directory record Official record
Conditions
Health Behavior, Obesity
Interventions
SMS Text Messages & Fitbit One, Fitbit One Only
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 69 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Oct 4, 2019 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Twitter and CV Health

NCT02622256
View directory record Official record
Conditions
Cardiovascular Disease, Hypertension
Interventions
Health System: HTN Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years and older
Enrollment
611 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 24, 2019 · Synced Oct 17, 2026, 8:48 PM EDT
Terminated Not applicable Interventional

Impact of a Digital Self-Management Program on A1C for Individuals With Type 2 Diabetes

NCT04892680
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Online Diabetes Self-Management Education and Support (DSMES) Program
Behavioral
Lead sponsor
Omada Health, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 11, 2022 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise Intervention Metabolic Syndrome Prostate Cancer Black Men

NCT02379559
View directory record Official record
Conditions
Physical Activity, Metabolic Syndrome, Prostate Cancer
Interventions
Exercise, Attention Control
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
40 Years to 40 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 23, 2017 · Synced Oct 17, 2026, 8:48 PM EDT
Active, not recruiting Not applicable Interventional

Cannabis Use Disorder Treatment Study

NCT04567394
View directory record Official record
Conditions
Cannabis Use Disorder, Mild, Cannabis Use Disorder, Moderate, Cannabis Use Disorder, Severe
Interventions
Peer Network Counseling-txt
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 25 Years
Enrollment
1,077 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
2
States / cities
Fort Collins, Colorado • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Randomized Clinical Trial to Reduce Harm From Tobacco

NCT02328794
View directory record Official record
Conditions
Smoking Cessation
Interventions
E-cigarette free access, E-cigarette/NRT/Zyban/Chantix Choice, Outcome Incentive arm, Loss framing incentive arm, Control
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 99 Years
Enrollment
6,006 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 2, 2017 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Testing a Brief Substance Misuse Preventative Intervention for Parents/Guardians of 5th-7th Grade Students

NCT03925220
View directory record Official record
Conditions
Substance-Related Disorders, Underage Drinking, Drug Use
Interventions
The SUPPER Project, Improving nutrition and physical activity among youth
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
9 Years to 14 Years
Enrollment
402 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cigarette Pack Inserts for Smoking Cessation

NCT04075682
View directory record Official record
Conditions
Smoking Cessation
Interventions
Inserts with efficacy messages, Pictorial warnings on packs
Other
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
387 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
Ithaca, New York • Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 13, 2024 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional

Self-monitoring and Reminder Texts to Increase Physical Activity After Cancer: a Pilot Randomized Controlled Trial

NCT02966054
View directory record Official record
Conditions
Colon Cancer, Rectum Cancer
Interventions
Digital Health Physical Activity Intervention Group
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tailoring of Vaccine-Focused Messages: Moral Foundations

NCT02851459
View directory record Official record
Conditions
Childhood Vaccinations
Interventions
Baseline Survey, Pre-intervention Survey, Morally Congruent Message, Morally Non-Congruent Message, Control Message, Post-Intervention Survey
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 10, 2017 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional

Nudging Healthcare Organizations to Adopt New Care Delivery Practices

NCT04176146
View directory record Official record
Conditions
Delivery of Health Care
Interventions
Peer comparison and social norms messaging
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,387 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jun 26, 2020 · Synced Oct 17, 2026, 8:48 PM EDT
Completed No phase listed Observational

Fitbit and AI Chatbot in Sedentary Primary Care Patients With T2D

NCT07005362
View directory record Official record
Conditions
Type 2 Diabetes, Type 2 Diabetes Mellitus (T2DM), T2DM (Type 2 Diabetes Mellitus), T2D, T2DM, Remote Patient Monitoring, Artificial Intelegence
Interventions
Fitbit and AI Chatbot, Routine Care
Behavioral · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 17, 2026, 8:48 PM EDT
Completed Not applicable Interventional

LEAVE Safe With DOACs

NCT04068727
View directory record Official record
Conditions
Cardiovascular Diseases, Venous Thromboembolism, Atrial Fibrillation, Bleeding, Stroke
Interventions
Clinical Pharmacist Intervention
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
561 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Oct 17, 2026, 8:48 PM EDT
Recruiting Not applicable Interventional

Colorectal Cancer Screening Outreach

NCT07345676
View directory record Official record
Conditions
Colo-rectal Cancer
Interventions
Bundled messaging intervention
Behavioral
Lead sponsor
Yale University
Other
Eligibility
45 Years to 75 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 17, 2026, 8:48 PM EDT