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Showing 1–24 of 357 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Text-only messages Clear all
Completed Not applicable Interventional

Text4Vax: Text Message Reminders for Pediatric COVID-19 and Influenza Vaccines 2024-25 Season

NCT06603090
View directory record Official record
Conditions
Influenza, COVID-19, Vaccination Hesitancy
Interventions
Text message influenza vaccine reminders, Text message COVID-19 vaccine reminders, Text message influenza and COVID-19 vaccine reminders
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 17 Years
Enrollment
66,147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
4
States / cities
Itasca, Illinois • New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Sep 2, 2026, 5:46 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pilot-Testing Strategies to Improve Outcomes for Youth With Type 2 Diabetes by Addressing Health-Related Social Needs

NCT07216118
View directory record Official record
Conditions
Diabetes in Adolescence, Type 2 Diabetes, Social Needs
Interventions
Tailored Resources, Universal Empowerment, Text Messages, Community Health Workers (CHW)
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
13 Years and older
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Perceptions of Proposed Warnings for Cannabis Edibles Packaging

NCT07496489
View directory record Official record
Conditions
Cannabis Use
Interventions
No Warning Control, Delayed Effects Text Only, Delayed Effects Plus Icon, Delayed Effects Plus Dose, Delayed Effects Plus Dose Plus Adverse Effects
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 65 Years
Enrollment
1,250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Promoting Intrafamily Accountability for Reducing Cellphone Use While Driving in Adults and Their Teen Children

NCT02923271
View directory record Official record
Conditions
Teen Drivers, Motor Vehicle Accidents
Interventions
CellControl
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
16 Years to 17 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional

Nurtured in Nature

NCT04146025
View directory record Official record
Conditions
Postpartum Depression, Pregnancy Related, Environmental Exposure
Interventions
Nature Coach Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional Results available

Intervention to Retain HIV-positive Patients in Medical Care

NCT01537367
View directory record Official record
Conditions
Primary Care Appointment Keeping
Interventions
Enhanced contact plus behavioral skills, Enhanced contact only, Standard of Care
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
1,838 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
6
States / cities
Birmingham, Alabama • Miami, Florida • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2013 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional

Diet and Physical Activity Changes Among Latina Breast Cancer Survivors

NCT02780271
View directory record Official record
Conditions
Breast Cancer
Interventions
In-person education, E-communication, Control
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
21 Years and older · Female only
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 18, 2021 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

TOSS Feasibility + Fitbit Community = Reduced Obesity in Older Black Women

NCT04114071
View directory record Official record
Conditions
Obesity
Interventions
TOSS Feasibility + Fitbit Community = Reduced Obesity in Older Black Women
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional

The Men Are Now United Program

NCT03208686
View directory record Official record
Conditions
Type2 Diabetes
Interventions
Intervention Group
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
21 Years and older · Male only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional Results available

Assessing Home Food Environment and Diabetes Self-management Among Adult Type 2 Diabetes Patients

NCT03039569
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Text messaging
Behavioral
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
30 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 18, 2019 · Synced Sep 2, 2026, 5:46 PM EDT
Enrolling by invitation Not applicable Interventional

Testing Alcohol Cancer Risk Messages

NCT07365813
View directory record Official record
Conditions
Alcohol, Cancer
Interventions
Text-only messages, AI-developed Neutral pictorial messages, AI-developed graphic pictorial messages
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
21 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 2, 2026, 5:46 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Education and Employment Support for HIV Prevention in Young Adults (ENSPIRE)

NCT06096324
View directory record Official record
Conditions
Economic Hardship, Condomless Sex, Utilization, Health Care
Interventions
Job announcements plus HIV prevention text messages, educational sessions, economic resources, and mentoring., Job announcements
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 24 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of a Mobile Phone and Educational Intervention

NCT06878898
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Asthma COPD
Interventions
Education and mobile phone text-messaging, Education only
Behavioral · Other
Lead sponsor
Kent State University
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Kent, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 16, 2025 · Synced Sep 2, 2026, 5:46 PM EDT
Active, not recruiting Not applicable Interventional

Behavioral Economic Approaches for Population-Based Colorectal Cancer Screening

NCT05693649
View directory record Official record
Conditions
Colorectal Cancer
Interventions
No Direct Patient Outreach, Direct Patient Outreach: Colonoscopy Only, Direct Patient Outreach: Sequential Choice, Visit-Based Nudge/Text, No Nudge/Text
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
50 Years to 72 Years
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Sep 2, 2026, 5:46 PM EDT
Recruiting Phase 2 Interventional

Smoking Cessation Pharmacotherapy-Nurse Practitioner Led Tobacco Treatment Team Study

NCT05733767
View directory record Official record
Conditions
Cardiopulmonary Disease, Smoking Cessation, Inpatient
Interventions
Enhanced Usual Care (EUC), Nurse Practitioner Tobacco Treatment Team (NPT3)
Other
Lead sponsor
Baystate Medical Center
Other
Eligibility
18 Years and older
Enrollment
424 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional Results available

The Momba Mobile Application-based Community

NCT01816945
View directory record Official record
Conditions
Mental Health Wellness 1
Interventions
MOMBA web-based application
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional

Bemobile Intervention to Support Physical Activity in Cancer Survivors

NCT02824861
View directory record Official record
Conditions
Cancer
Interventions
Bemobile
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
22 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Sep 2, 2026, 5:46 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Digital Support Intervention on Newly Licensed Nurses

NCT04100629
View directory record Official record
Conditions
Stress, Job Stress
Interventions
digital support: text messages
Behavioral
Lead sponsor
Duquesne University
Other
Eligibility
19 Years to 37 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
4
States / cities
Brawley, California • El Centro, California • San Diego, California + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2020 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Phase 1Phase 2 Interventional

Nurse Delivered Cell Phone Adherence Intervention (Pick It UP)

NCT01359280
View directory record Official record
Conditions
Medication Adherence
Interventions
Adherence Counseling, General Health Counseling, Text Messages
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Sep 2, 2026, 5:46 PM EDT
Enrolling by invitation Not applicable Interventional

LDART for Alcohol Use Disorder

NCT07221383
View directory record Official record
Conditions
Alcohol Use Disorder, Hazardous Alcohol Use
Interventions
LDART, Psychoeducational control
Device · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
80 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 Apr 30, 2026 · Synced Sep 2, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Methods for Reducing Obesity Risk in Parents and Children

NCT03973424
View directory record Official record
Conditions
Overweight and Obesity, Overweight, Obesity
Interventions
Simple, Standard
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
2 Years to 55 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Sep 2, 2026, 5:46 PM EDT
Recruiting Not applicable Interventional

Integrating Telehealth to Advance Lung Cancer Screening

NCT06638554
View directory record Official record
Conditions
Early Detection of Cancer, Telemedicine, Decision Making
Interventions
Active Choice, Telehealth Only, Low Touch Strategy, High Touch Strategy
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
50 Years to 80 Years
Enrollment
6,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 2, 2026, 5:46 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Randomized Controlled Trial Examining Health Care Access Interventions for Taxi Drivers

NCT02508363
View directory record Official record
Conditions
Healthcare Access for Taxi Drivers
Interventions
questionnaires
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years to 85 Years · Male only
Enrollment
756 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 2, 2026, 5:46 PM EDT
Not yet recruiting Not applicable Interventional

Gamification and Physical Activity in PD

NCT07286994
View directory record Official record
Conditions
Parkinson Disease
Interventions
Gamification, Feedback control
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 89 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 2, 2026, 5:46 PM EDT