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ClinicalTrials.gov public records Last synced Oct 30, 2026, 3:32 PM EDT

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Showing 313–336 of 3,125 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: message Clear all
Not listed Not applicable Interventional

A Text Messaging (SMS) Intervention to Improve Adherence to Stimulant Medications in Children With ADHD

NCT04189562
View directory record Official record
Conditions
Attention Deficit/Hyperactivity Disorder
Interventions
SMS Intervention
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 12 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 26, 2022 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Partner Services Pre-exposure Prophylaxis (PS-PrEP)

NCT02749955
View directory record Official record
Conditions
HIV Transmission, Transtheoretical Model of Change
Interventions
PS-PrEP Intervention Group, PrEPLine Control Group
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Not applicable Interventional

Happy, Healthy, Loved: A Mobile-delivered Breastfeeding Self-efficacy Intervention for First Time Parents

NCT04578925
View directory record Official record
Conditions
Breast Feeding
Interventions
Happy, Healthy, Loved
Behavioral
Lead sponsor
OhioHealth
Other
Eligibility
18 Years and older · Female only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 14, 2023 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Helping Moms Quit Pilot Trial

NCT05041413
View directory record Official record
Conditions
Smoking Cessation
Interventions
Moms Quit, Text4Baby
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 4, 2022 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mammogram Mail- and Phone-based Interventions

NCT05853848
View directory record Official record
Conditions
Breast Cancer
Interventions
Postcard, Letter, Auto-dialer, Live call
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
51 Years to 74 Years · Female only
Enrollment
14,386 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 10, 2024 · Synced Oct 30, 2026, 3:32 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Know Your Pressures NYC

NCT05992415
View directory record Official record
Conditions
Glaucoma, Hypertension, Glaucoma, Suspect, Elevated Blood Pressure
Interventions
Virtual Automated Navigator Intervention with Health Education, Usual Care
Other
Lead sponsor
Columbia University
Other
Eligibility
40 Years and older
Enrollment
7,085 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2032
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Not applicable Interventional Results available

COVID-19 Vaccination Take-Up

NCT04867174
View directory record Official record
Conditions
Covid19, Vaccination
Interventions
Financial incentives, Convenient scheduling link, Race concordant, Gender concordant
Behavioral
Lead sponsor
National Bureau of Economic Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
2,701 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Martinez, California
Source: ClinicalTrials.gov public record
Updated Mar 28, 2024 · Synced Oct 30, 2026, 3:32 PM EDT
Recruiting Not applicable Interventional

PRagmatic Trial Of Messaging to Providers About Treatment of Heart Failure at Inova

NCT05433220
View directory record Official record
Conditions
Heart Failure
Interventions
Best Practice Advisory using Electronic Health Record
Other
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 30, 2026, 3:32 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Get Fruved: Obesity Prevention for Older Adolescents

NCT02941497
View directory record Official record
Conditions
Obesity
Interventions
Social marketing and health promotion campaign
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
Up to 24 Years
Enrollment
5,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
7
States / cities
Gainesville, Florida • Manhattan, Kansas • Orono, Maine + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Oct 30, 2026, 3:32 PM EDT
Not yet recruiting Not applicable Interventional

Automated Text Message Reminders to Promote Hearing Aid Adoption

NCT07170423
View directory record Official record
Conditions
Hearing Loss
Interventions
Automated text message reminder
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2026 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changing Pediatric Office Systems Nationally to Address Parental Tobacco Use

NCT01882348
View directory record Official record
Conditions
Tobacco Dependence
Interventions
CEASE Intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
3,888 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impacts of Warning Labels on Ultra-Processed Foods

NCT06296355
View directory record Official record
Conditions
Health Behavior, Diet, Healthy
Interventions
Health Warning Label, Identity Warning Label, Barcode Label
Behavioral · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 55 Years
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Oct 30, 2026, 3:32 PM EDT
Recruiting Not applicable Interventional

Colorectal Cancer Screening in the Homeless

NCT07220018
View directory record Official record
Conditions
Colorectal Cancer
Interventions
mHealth for Colorectal cancer screening in Homeless Persons, Control SMS Messages
Behavioral · Other
Lead sponsor
George Washington University
Other
Eligibility
45 Years to 75 Years
Enrollment
588 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Not applicable Interventional Results available

Atlas:Text Messaging Program With Weather Alerts, Local Resources & Insights for Addressing Climate Change

NCT06995755
View directory record Official record
Conditions
Climate Change
Interventions
atlas
Behavioral
Lead sponsor
Pro-Change Behavior Systems
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Narragansett, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced Oct 30, 2026, 3:32 PM EDT
Recruiting Not applicable Interventional

Texts for Diabetes Control Among Homeless Persons

NCT05616026
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Intervention, Attention Control
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Washington D.C., District of Columbia • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 30, 2026, 3:32 PM EDT
Recruiting Not applicable Interventional

Partnership to Reduce Obesity in Community Health Center Patients (SMARTLife Utah)

NCT07582016
View directory record Official record
Conditions
Obesity
Interventions
Ask-Advise-Connect (AAC), Text Messaging (TM), Connect Only (CO), TM-Continued (TM-Cont), Continued TM plus Motivation And Problem Solving (TM+MAPS)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
5,354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Not applicable Interventional

Proactive Population Health Strategy to Offer Tobacco Dependence Treatment to Smokers

NCT03612895
View directory record Official record
Conditions
Smoking, Tobacco
Interventions
Internal Care Coordination, External Community Referral, Usual Care
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 2, 2018 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Lean Living Study

NCT02501889
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Walnut-rich weight loss diet, Standard weight loss diet
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Oct 30, 2026, 3:32 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Integrating Free-choice Marketplace, dieTitian coacHing, cultuRally Tailored messagIng to improVE Blood Pressure

NCT07075588
View directory record Official record
Conditions
Hypertension, Hypertension Complicated With Type 2 Diabetes
Interventions
iTHRIVE intervention, Active comparator
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
3
States / cities
Baltimore, Maryland • Gaithersburg, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 30, 2026, 3:32 PM EDT
Recruiting Not applicable Interventional

COordiNated CommuNication, Education, and Care Transitions After Acute Kidney Injury (CONNECT-AKI)

NCT07626268
View directory record Official record
Conditions
Acute Kidney Injury, Acute Kidney Injury (AKI)
Interventions
AKI Discharge Summary Template, Chat-Based Educational Messaging Program
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Glen Oaks, New York • Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Not applicable Interventional Results available

Reach Out: Emergency Department-Initiated Hypertension Behavioral Intervention Connecting Multiple Health Systems

NCT03422718
View directory record Official record
Conditions
Hypertension
Interventions
Healthy Behavior Texts, No healthy behavior texts, BP Monitoring Daily Via Text Messaging, BP Monitoring Weekly Via Text Messaging, Physician appointment and transportation scheduling, No physician appointment and transportation scheduling
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 20, 2024 · Synced Oct 30, 2026, 3:32 PM EDT
Completed Phase 4 Interventional Results available

Engagement With an Adaptive Mobile Health Smoking Cessation Intervention

NCT04020718
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Brief telephone advice plus tailored text messages, Mailed nicotine replacement therapy, Proactive telephone coaching
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 10, 2022 · Synced Oct 30, 2026, 3:32 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Optimizing Technology-Delivered Interventions for Smoking in Pregnancy: The Mommy Check-Up Study.

NCT02340624
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Referral to SmokeFreeMoms, Quitline or Brief intervention
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 16, 2015 · Synced Oct 30, 2026, 3:32 PM EDT
Recruiting Not applicable Interventional

Making Healthy Habits Stick

NCT06745180
View directory record Official record
Conditions
Cancer, Physical Activity, Cancer Survivor, Cancer Survivorship
Interventions
Short Message System (SMS), Peer Coach, Usual Care, Peer Coach and SMS
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
19 Years and older · Female only
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Birmingham, Alabama • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Oct 30, 2026, 3:32 PM EDT