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ClinicalTrials.gov public records Last synced Oct 21, 2026, 2:43 AM EDT

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Showing 25–48 of 3,117 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Messaging Clear all
Completed Not applicable Interventional

Efficacy of Automated Text Messaging Services

NCT05621265
View directory record Official record
Conditions
Sleep, Physical Therapy
Interventions
Automated Text messaging
Behavioral
Lead sponsor
Black Hills State University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Spearfish, South Dakota
Source: ClinicalTrials.gov public record
Updated Nov 21, 2022 · Synced Oct 21, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional

Connect2Care: Prostate Cancer Education and Screenings for African American Men

NCT07055165
View directory record Official record
Conditions
Prostate Cancer, Health Behavior
Interventions
Prostate Cancer Genius App, US Prevention Taskforce App
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
45 Years to 69 Years · Male only
Enrollment
466 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Serial SMS Reminders and an Opt-out Mailed FIT Kits to Improve Colorectal Screening Participation: A Single Center RCT

NCT03479645
View directory record Official record
Conditions
Bowel Cancer, Colon Cancer
Interventions
Serial text messages and mailed FIT kit
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years to 74 Years
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

Dulce Digital-Me: An Adaptive mHealth Intervention for Underserved Hispanics With Diabetes

NCT03130699
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Dulce Digital, Dulce Digital-Me (Automated Delivery), Dulce Digital-Me (Medical Assistant)
Behavioral
Lead sponsor
Scripps Whittier Diabetes Institute
Other
Eligibility
18 Years and older
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Chula Vista, California • La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Oct 21, 2026, 2:43 AM EDT
Not listed Not applicable Interventional

A Text Messaging (SMS) Intervention to Improve Adherence to Stimulant Medication in Adults With ADHD in the Primary Care Setting

NCT04189575
View directory record Official record
Conditions
Attention Deficit/Hyperactivity Disorder
Interventions
SMS Intervention
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 26, 2022 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Trial of Using SmokeBeat to Monitor and Increase Smoking Abstinence in Pregnant Women

NCT03209557
View directory record Official record
Conditions
Tobacco Use Cessation, Pregnancy Related
Interventions
SmartWatch SmokeBeat Application
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced Oct 21, 2026, 2:43 AM EDT
Active, not recruiting Not applicable Interventional

Pain Care at Home to Amplify Function (Pain CHAMP)

NCT05333341
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Misuse, Chronic Pain
Interventions
TCM, TCM plus COPES
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
259 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Little Rock, Arkansas • Aurora, Colorado • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 30, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enhancing STDP After Spinal Cord Injury

NCT02701777
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
STDP, Training, Sham STDP, Multisite-STDP
Other · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 85 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Hines, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 21, 2022 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

NUYou:mHealth Intervention to Preserve and Promote Ideal Cardiovascular Health

NCT02496728
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Mobile Health Application, Environmental Cues, Social Support, Educational Materials
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
17 Years to 26 Years
Enrollment
302 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 20, 2019 · Synced Oct 21, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional

Expanding Exercise Programming for Veterans Through Telehealth

NCT05666167
View directory record Official record
Conditions
Arthritis
Interventions
Group Telehealth Exercise Sessions with text messaging plus booster sessions
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Not listed Not applicable Interventional

Symptom Management in Patients With Recurrent or Persistent Ovarian Cancer, Fallopian Tube Cancer, or Primary Peritoneal Cancer

NCT00958698
View directory record Official record
Conditions
Fallopian Tube Carcinoma, Primary Peritoneal Carcinoma, Psychological Impact of Cancer, Recurrent Ovarian Carcinoma
Interventions
Communication Intervention, Educational Intervention, Internet-Based Intervention, Psychosocial Assessment and Care, Quality-of-Life Assessment, Questionnaire Administration
Other · Procedure
Lead sponsor
Gynecologic Oncology Group
Network
Eligibility
18 Years and older · Female only
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
144
States / cities
Phoenix, Arizona • Los Angeles, California • Mountain View, California + 94 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Increasing Teen Access to Sexual and Mental Health Care

NCT05444855
View directory record Official record
Conditions
Health Care Utilization
Interventions
Peer Leader Model
Other
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
14 Years to 100 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 21, 2026, 2:43 AM EDT
Withdrawn Not applicable Interventional

Text Messaging Follow-up From ED

NCT03370978
View directory record Official record
Conditions
Text Messaging
Interventions
Text Messaging
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 30, 2021 · Synced Oct 21, 2026, 2:43 AM EDT
Not yet recruiting Not applicable Interventional

Optimization of Dietary Adherence in a Mobile Weight Loss Intervention

NCT07582536
View directory record Official record
Conditions
Overweight and/or Obesity
Interventions
Core, Switch to Simplified Diet Monitoring, Goal Autonomy/Planning, Just-in-time (JIT) Messaging, Coach Sessions
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
580 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

Behavioral Economics to Improve Flu Vaccination Using EHR Nudges Replication

NCT06626321
View directory record Official record
Conditions
Behavior, Health, Flu, Flu Vaccination
Interventions
Pre-visit patient text messaging, Default pended order, Monthly peer comparison feedback, High risk bidirectional pre-visit text messaging
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years and older
Enrollment
26,248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional

Reducing Alcohol Use Post-Bariatric Surgery

NCT04788316
View directory record Official record
Conditions
Bariatric Surgery Candidate, Alcohol Drinking
Interventions
CBI and Text messaging
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 16, 2025 · Synced Oct 21, 2026, 2:43 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

ChatGPT-Supported Text Messaging Program for Smoking Cessation

NCT07079306
View directory record Official record
Conditions
Smoking Cessation
Interventions
BeFree+Bot, BeFree
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

Feasibility and Acceptability of a Stigma Text Message Intervention for People Who Use Drugs

NCT06281548
View directory record Official record
Conditions
Stigma, Social, Substance Use
Interventions
RESTART
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Portsmouth, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Triggered Escalating Real-time Adherence (TERA) Intervention

NCT03292432
View directory record Official record
Conditions
HIV Infections
Interventions
TERA Intervention (TERA), Standard of Care (SOC)
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
13 Years to 24 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
8
States / cities
Aurora, Colorado • Fort Lauderdale, Florida • Jacksonville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2021 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Emails Promoting Mail-order Pharmacy

NCT04587063
View directory record Official record
Conditions
Health Care Utilization
Interventions
Fear Appeals, Message about Future Healthcare Costs, Endorsement from a Doctor, Comparison Table, Highlighting Cost Savings and Convenience
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
5,266 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cancer Dietary Objectives Study

NCT00561977
View directory record Official record
Conditions
Cancer, Heart Disease
Interventions
High Fiber Diet, low saturated fat diet, Combination diet
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
21 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 2, 2011 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

The Development of a Personalized, Real-time Intervention

NCT03518619
View directory record Official record
Conditions
Drinking, Alcohol
Interventions
PFIcope+EMI
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 25 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Prompt to Bundle COVID-19 Booster and Flu Shot

NCT05586165
View directory record Official record
Conditions
COVID-19, Vaccines
Interventions
Reminder to boost protection against COVID-19, Flu Tag Along, COVID-19 Booster & Flu Bundle
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
109,493 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Oct 21, 2026, 2:43 AM 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 21, 2026, 2:43 AM EDT