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ClinicalTrials.gov public records Last synced Oct 25, 2026, 2:30 PM EDT

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Showing 913–936 of 3,122 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Messaging Clear all
Recruiting Not applicable Interventional

Strategies for Improving Linkage-to-Care After Eye Disease Screening

NCT06943599
View directory record Official record
Conditions
Age Related Macular Degeneration, Diabetic Retinopathy, Glaucoma
Interventions
Text Message Reminder, Health Worker Visit
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
60 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using Telehealth to Address Alcohol Misuse in HIV Care

NCT04546971
View directory record Official record
Conditions
Alcohol Drinking, HIV Viremia
Interventions
Brief Intervention, Telehealth Counseling, Text messaging
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
226 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Chatbot Intervention for Reducing HPV Vaccine Hesitancy

NCT05959564
View directory record Official record
Conditions
Cervical Cancer, Anal Cancer, Penile Cancer
Interventions
Personalized Chatbot Intervention, Non-Personalized Chatbot Intervention, No Chatbot Control
Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years and older
Enrollment
456 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 21, 2024 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Financial Incentives and Text Messaging to Improve African American Womens' Glycemic Control

NCT02384265
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
IM/SMS + Incentive Condition
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
25 Years to 65 Years · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Messaging Intervention to Present New HIV Prevention Options for Men Who Have Sex With Men (MSM)

NCT03666247
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
HealthMindr Application, Waitlist
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
1,229 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
3
States / cities
Atlanta, Georgia • Detroit, Michigan • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Self-Monitoring in Weight Loss With Technology

NCT00277771
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Standard behavioral treatment (SBT) for weight loss, SBT for weight loss using a PDA, SBT for weight loss using a PDA with feedback messages
Behavioral
Lead sponsor
Lora Burke
Other
Eligibility
18 Years to 59 Years
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 7, 2015 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional

Shared Decision-making on Medical Tests and Care Cascades

NCT04902664
View directory record Official record
Conditions
Health Knowledge, Attitudes, Practice, Health Care Utilization
Interventions
Patient education materials, Physician peer-comparison email, Physician education materials, General visit preparation materials
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 17, 2022 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Trusted Messengers: Intervention to Promote COVID-19 Vaccination

NCT04981392
View directory record Official record
Conditions
Covid19, Vaccination
Interventions
Primary care text message outreach to unvaccinated patients and resources to support PCPs
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
21,844 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 26, 2024 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Text4Peds: Short Message Service Evaluating Medical Student Education

NCT03346616
View directory record Official record
Conditions
Education, Medical, Undergraduate, SMS
Interventions
Texting Group, Non Texting Group
Other
Lead sponsor
St. Louis University
Other
Eligibility
20 Years to 50 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 17, 2017 · Synced Oct 25, 2026, 2:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Leveraging Social Networks to Improve Sleep and Mindfulness Among Older Adults in Residential Housing Facilities

NCT06989619
View directory record Official record
Conditions
Aging, Cognitive Impairment, Sleep
Interventions
Sleep health and mindfulness intervention
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
55 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Decision-Framing in Psoriasis

NCT04136314
View directory record Official record
Conditions
Psoriasis Vulgaris, Psoriatic Arthritis, Psoriasis
Interventions
Decision-Framed Survey
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 15, 2022 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Extended Facebook Intervention for Young Sexual and Gender Minority Smokers

NCT03553992
View directory record Official record
Conditions
Tobacco Use, Smoking, Tobacco Dependence, Tobacco Use Disorder, Tobacco Use Cessation, Tobacco Smoking, Smoking Cessation, Smoking, Cigarette, Smoking, Tobacco
Interventions
POP-6:, TSP-6:
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 25 Years
Enrollment
173 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional

Every Day Counts: A Lifestyle Program for Women With Metastatic Breast Cancer

NCT03824145
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Lifestyle Intervention, Attention Control
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Maywood, Illinois • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional

New Technologies for Cognitive Behavior Therapy (CBT) Treatment of Adolescent Depression

NCT01868867
View directory record Official record
Conditions
Depression
Interventions
Intervention
Behavioral
Lead sponsor
Center for Psychological Consultation
Other
Eligibility
13 Years to 18 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 3, 2016 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional

Fever and Wheezing Events in Children After US Influenza Vaccines Using Text Messaging

NCT02295007
View directory record Official record
Conditions
Fever, Wheezing
Interventions
text message
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
2 Years to 11 Years
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
3
States / cities
Atlanta, Georgia • Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2016 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MapTrek to Increase Activity Among Patients at Risk for Type 2 Diabetes

NCT03193229
View directory record Official record
Conditions
Pre Diabetes, Obesity
Interventions
MapTrek, Fitbit
Behavioral · Device
Lead sponsor
Philip Polgreen
Other
Eligibility
21 Years to 80 Years
Enrollment
430 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Coralville, Iowa
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional

eFHS Messaging Trial

NCT03516019
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
personalized notices, standard notices, am notices, pm notices, weekday notices, weekend notices
Other
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Oct 25, 2026, 2:30 PM EDT
Recruiting Not applicable Interventional

The MObile Health InterVEntion in Pulmonary Arterial Hypertension (MOVE PAH) Study

NCT05464095
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
mHealth Intervention, Usual Care
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Results available

Dietary Prevention of Heart Failure in Hypertensive Metabolic Syndrome

NCT03170375
View directory record Official record
Conditions
Heart Failure
Interventions
Performance of WHEELS-I in promoting DASH/SRD adoption
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
45 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional

Novel Mobile Resource for Food Insecurity

NCT06919445
View directory record Official record
Conditions
Food Insecurity
Interventions
'Text Connect' text messages
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
Not listed
Enrollment
608 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Project CheckUP: A Brief Behavioral Intervention for Quitline Callers Who Use Marijuana (MJ) and Tobacco

NCT04737772
View directory record Official record
Conditions
Smoking Cessation, Marijuana Use
Interventions
Behavioral: Quitline treatment as usual, QL Marijuana Check-Up intervention (QL-MJCU)
Behavioral
Lead sponsor
Consumer Wellness Solutions
Industry
Eligibility
21 Years and older
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional

Daughters, dUdes, Mothers and othErs Fighting Cancer Together

NCT04132219
View directory record Official record
Conditions
Cancer, Overweight and Obesity
Interventions
eHealth Intervention
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 15, 2022 · Synced Oct 25, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparative Tests of Flu Vaccination Phone Messages

NCT03332992
View directory record Official record
Conditions
Influenza, Human
Interventions
Viral changes, Protect others, General intentions, Behavioral intentions, Accountability
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
7,206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 15, 2018 · Synced Oct 25, 2026, 2:30 PM EDT
Not listed Not applicable Interventional

Suicide in Urban Natives: Detection and Networks to Combat Events

NCT03136094
View directory record Official record
Conditions
Suicide Prevention
Interventions
SBIRT+12, SBIRT+Usual Care
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 34 Years
Enrollment
698 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jun 27, 2024 · Synced Oct 25, 2026, 2:30 PM EDT