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ClinicalTrials.gov public records Last synced Sep 15, 2026, 6:41 PM EDT

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Showing 25–47 of 23 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Chronic Disease
Interventions
Text Messaging
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

SMS Maama Project COVID-19

NCT04739462
Conditions
Pregnancy Complications, Birth Injuries
Interventions
mHealth Platform
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
248 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT05586165
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
Conditions
Behavior, Health
Interventions
Post-visit patient messaging
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
3,888 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Boost Intentions and Facilitate Action to Promote COVID-19 Booster Take-up

NCT05586204
Conditions
COVID-19, Vaccines
Interventions
Eligibility reminder, Link to a narrow set of vaccine venues, Link to a broad set of vaccine venues, Doctors' recommendation and value of vaccine
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
154,977 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Improving Show Rates in Dental Care Settings Serving Underserved Populations

NCT06581250
Conditions
Dental Care
Interventions
Reminder Messages, Walk-in Visits, Motivation-enhanced Communication
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Diabetes Mellitus Type 2, Adult-onset Diabetes
Interventions
SMS Reminder Software Tool
Other
Lead sponsor
Medic Mobile
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Mateo, California
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Trial of a Social Marketing Campaign to Increase HPV Vaccination Among Mexican American Children

NCT02697396
Conditions
HPV Vaccination
Interventions
Assessments, Text Message Reminder, No Text Messaging
Behavioral · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years and older
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
New York, New York
Conditions
Liver Diseases, End Stage Liver Disease, Frailty
Interventions
Nokia GO Wearable StepTracker, Medication Reminder, Weekly Check-in appointment with study team or provider
Device · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 95 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

Testing Multiple Behavioral Science Strategies to Increase Flu-Shot Rates

NCT04565353
Conditions
Influenza, Human
Interventions
Flu shot text messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
74,811 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Danville, Pennsylvania • Philadelphia, Pennsylvania
Conditions
Immunization Rate
Interventions
Text Message Reminder/Recall, Parent Preference
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
11 Years to 17 Years
Enrollment
34,581 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Active, not recruiting Not applicable Interventional

Texting for Diabetes

NCT03025984
Conditions
Diabetes Mellitus
Interventions
Texting
Behavioral
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Completed Not applicable Interventional Accepts healthy volunteers Results available

Meaningful Use of Technology to Improve Health Care Delivery

NCT01641380
Conditions
Contraceptive Behavior
Interventions
Text Messaging Intervention
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
13 Years to 21 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Empowering Patients' Lung Cancer Screening Uptake

NCT06000683
Conditions
Lung Cancer
Interventions
Patient education, Referral to financial navigation resources, Patient Reminders, Provider Reminers
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
50 Years to 80 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
7
States / cities
Costa Mesa, California • Irvine, California • Laguna Hills, California + 4 more
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Decision Support Tool to Integrate PrEP Into Emergency Departments

NCT07279129
Conditions
HIV
Interventions
Decision support tool, PrEP Delivery
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Conditions
Lung Cancer
Interventions
Portal Message with Reminder Text Messages, Text Message with Reminder Text Messages, Portal message only, Usual Care
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years to 77 Years
Enrollment
27,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Results available

Lottery Incentive Nudges to Increase Influenza Vaccinations

NCT05012163
Conditions
Influenza, Vaccination, Health Promotion, Health Behavior
Interventions
Reminder, Financial incentive, Lottery
Behavioral
Lead sponsor
National Bureau of Economic Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
57,581 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Empowering Hispanic Patients' Lung Cancer Screening Uptake (Empower Latinx)

NCT06225414
Conditions
Lung Cancer
Interventions
Usual Care, Brief Patient Education, Patient education, Referral to financial navigation resources, Patient Reminders, Provider Reminders
Other · Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
50 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
10
States / cities
Anaheim, California • Costa Mesa, California • Irvine, California + 6 more
Conditions
Atherosclerotic Cardiovascular Disease
Interventions
Outreach + Bulk ordering, Outreach + Bulk ordering + Text Based Reminders and Scheduling assistance
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
20 Years to 75 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Breast Cancer
Interventions
Pre-Visit Patient Text Message, Post-Visit Patient Text Messages, Smart Data Element (SDE)
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
40 Years to 74 Years · Female only
Enrollment
8,490 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Conditions
Behavior, Health
Interventions
Pre-visit and post-visit patient messaging, Default pended order, EHR communication
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
16,416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

The Efficacy of Reminders to Complete HPV Series

NCT01731496
Conditions
Completion of Three Dose Series of HPV, Improvement in Vaccine Intervals Between HPV Doses
Interventions
Telephone reminder, Text Message reminder
Other
Lead sponsor
University of Rochester
Other
Eligibility
10 Years to 21 Years
Enrollment
749 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
3
States / cities
Rochester, New York
Completed Not applicable Interventional Accepts healthy volunteers

Engaging Seronegative Youth to Optimize HIV Prevention Continuum

NCT03134833
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