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ClinicalTrials.gov public records Last synced Oct 22, 2026, 10:52 PM EDT

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Showing 1–24 of 157 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Texts messages Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Active KC: a Text Message Based Intervention for Physical Activity

NCT05110508
View directory record Official record
Conditions
Physical Activity, Patient Engagement
Interventions
Text Based Behavioral Intervention for Physical Activity
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years and older
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Oct 22, 2026, 10:52 PM EDT
Recruiting Not applicable Interventional

Using Text Messages to Improve Oral Chemotherapy for Adolescents and Adults With Acute Lymphoblastic Leukemia

NCT06446661
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, T-cell Lymphoblastic Lymphoma
Interventions
High Intensity, No Text Messagings, Low Intensity Text Messaging
Other
Lead sponsor
University of Chicago
Other
Eligibility
15 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 22, 2026, 10:52 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 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Results available

A Trial of AI-Powered Text Message Outreach on Well-Child Visit Completion

NCT06698640
View directory record Official record
Conditions
Well Child Visit, Gaps in Care
Interventions
Automated SMS, Automated SMS + Conversational AI Scheduling Assistance, Traditional Passive Outreach
Behavioral · Other
Lead sponsor
Waymark
Industry
Eligibility
0 Years to 21 Years
Enrollment
2,821 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional

Empathy in Action: Sunshine Calls for Life With Diabetes

NCT05173675
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Diabetes, Mental Health, Health Behavior
Interventions
Empathy in Action for life with diabetes., Control Phase 2 Materials Only
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
21 Years to 70 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
9
States / cities
Austin, Texas • Bastrop, Texas • Cedar Park, Texas + 3 more
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

SCALE-UP Utah: Community-Academic Partnership to Address COVID-19 Testing Among Utah Community Health Centers

NCT04939532
View directory record Official record
Conditions
Covid19
Interventions
Text-Messaging (TM), Patient Navigation (PN)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
44,729 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

End Nicotine Dependence Clinic

NCT03290430
View directory record Official record
Conditions
Smoking Cessation
Interventions
Group Counseling, Individual Counseling, Phone Counseling, Video Counseling, Texting support, Nicotine Replacement Therapy
Behavioral · Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional

Hydroxyurea Adherence for Personal Best in Sickle Cell Treatment: HABIT

NCT02029742
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Community Health Worker (CHW), Education
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
10 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 6, 2024 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Interventions to Improve the HIV PrEP Cascade Among Methamphetamine Users

NCT03584282
View directory record Official record
Conditions
HIV/AIDS, Adherence, Medication, Drug Use
Interventions
Text Messaging, Peer Navigation
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility and Acceptability of a Text Messaging Intervention to Increase Smoking Cessation in Vietnam

NCT03219541
View directory record Official record
Conditions
Smoking
Interventions
Interventional Automated mobile phone text, Control Automated mobile phone text
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 17, 2020 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Breathe Easier II: A Dyad-based Multiple Behavior Intervention

NCT05956782
View directory record Official record
Conditions
Lung Cancer, Nonsmall Cell, COPD, Self-Management, Physical Inactivity, Stress, Quality of Life
Interventions
Breathe Easier
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Trial of Habit Formation Theory for Exercise in Older Adults

NCT04869644
View directory record Official record
Conditions
Sedentary Behavior, Aging, Activity, Motor, Behavior, Health
Interventions
Goal setting, Action Planning, Self-monitoring of behavior, Behavioral Practice/Rehearsal, Habit Formation
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
45 Years to 75 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 30, 2022 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Engaging Seronegative Youth to Optimize HIV Prevention Continuum

NCT03134833
View directory record Official record
Conditions
HIV, Mental Health, Substance Use, STI
Interventions
Automated Messaging & Monitoring, Peer Support, Coaching
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
12 Years to 24 Years
Enrollment
1,478 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
2
States / cities
Los Angeles, California • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Better Than Study: Targeting Heavy Alcohol Use With Naltrexone Among Men Who Have Sex With Men (MSM)

NCT02330419
View directory record Official record
Conditions
Binge Drinking, HIV
Interventions
Placebo, Naltrexone, Medical Management (MM) counseling for alcohol use:, Urinalysis for novel alcohol biochemical markers:, Behavioral survey measurements:, Dried Blood Spot (DSB) Testing for Phosphatidylethanol, Ecological Momentary Assessment
Drug · Behavioral · Diagnostic Test
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2025 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Testing Adaptive Interventions to Improve Physical Activity for Sedentary Women

NCT03558828
View directory record Official record
Conditions
Physical Activity
Interventions
Step 1: PA Monitor, Step 1: PA Monitor + Text, Step 2: PA Monitor with Calls, Step 2: PA Monitor with Meetings, Step 2: PA Monitor + Texts with Calls, Step 2: PA Monitor + Texts with Meetings, Step 3: PA Monitor
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
301 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 3, 2025 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mother's Milk Messaging: Evaluation of a Bilingual Application (APP) to Support Initiation and Exclusive Breastfeeding in New Mothers

NCT02958475
View directory record Official record
Conditions
Breastfeeding
Interventions
Social Support Group (Facebook), Breastfeeding messages, Injury Prevention Messages
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
346 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 26, 2021 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Human Papillomavirus (HPV) Vaccine Uptake Via General Health Messaging

NCT03759236
View directory record Official record
Conditions
Human Papilloma Virus
Interventions
Health Messaging via SMS, CDC Health Pamphlets
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Oct 22, 2026, 10:52 PM EDT
Active, not recruiting Not applicable Interventional

Multi-ethnic Multi-level Strategies and Behavioral Economics to Eliminate Hypertension Disparities in Los Angeles County

NCT06359691
View directory record Official record
Conditions
Hypertension
Interventions
Patient-focused strategies, Provider-focused strategies, Patient- and provider-focused strategies
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 22, 2026, 10:52 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 22, 2026, 10:52 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 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional

Text Message Treatment for Social Anxiety

NCT03562650
View directory record Official record
Conditions
Social Anxiety
Interventions
Safety Behavior Fading, Present Centered
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jan 29, 2021 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Rewarding Healthy Behaviors in Pregnancy and Postpartum

NCT05328622
View directory record Official record
Conditions
Pregnancy Related
Interventions
Aqueduct Contingency Management Platform
Behavioral
Lead sponsor
Transcendent International, LLC
Industry
Eligibility
18 Years to 52 Years · Female only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Results available

Uncontrolled Hypertension Among the Homeless

NCT05187013
View directory record Official record
Conditions
Hypertension
Interventions
mHealth for Hypertension in Homeless Persons
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
21 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 22, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Communicating Multiple Disease Risks: A Translation of Risk Prediction Science

NCT03255291
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Risk Assessment App, Audio Recording - Sleep, Surveys, Audio Recording - Exercise, Text message reminders, Text Message Survey
Behavioral · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
30 Years to 64 Years
Enrollment
554 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 22, 2026, 10:52 PM EDT