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ClinicalTrials.gov public records Last synced Oct 20, 2026, 5:30 PM EDT

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Showing 145–168 of 633 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: No Messaging Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Messaging Intervention to Increase Medicare Annual Wellness Visits -- The NUDGE AWV Clinical Trial

NCT06640426
View directory record Official record
Conditions
Annual Wellness Visit, Breast Cancer Screening, Colon Cancer Screening
Interventions
Two Messaging Nudges, Five messaging nudges
Behavioral
Lead sponsor
Laura Feemster
Industry
Eligibility
65 Years and older
Enrollment
29,842 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 20, 2026, 5:30 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Brief Interventions to Increase HPV Vaccine Acceptance in School-based Health Centers

NCT01087164
View directory record Official record
Conditions
Human Papillomavirus Infection
Interventions
Compliance, Message sidedness
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
11 Years to 15 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2014 · Synced Oct 20, 2026, 5:30 PM EDT
Completed No phase listed Observational

Electronic Triggers: Messaging After A1C EHR Alert

NCT04869319
View directory record Official record
Conditions
Hemoglobins, Diagnostic Tests
Interventions
MyChart message
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
2,403 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 10, 2024 · Synced Oct 20, 2026, 5:30 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

SHARE Program: SUSTAIN

NCT06934395
View directory record Official record
Conditions
Hiv
Interventions
Healthy Choices, Text Message Prompts
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 29 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
4
States / cities
Tallahassee, Florida • Tampa, Florida • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Steering Together in a New Direction: Reducing the Risk of HIV/STD Among African American Men

NCT02572401
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV), Sexually Transmitted Disease (STD)
Interventions
STAND HIV Risk Reduction Intervention, Text Messaging Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
391 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 20, 2026, 5:30 PM EDT
Not yet recruiting Not applicable Interventional

Improving TelePrEP Initiation and Retention Outcomes in the US: The MISTR+ Study

NCT07821671
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
No Marginal Cost Interventions, Low-Marginal Cost Interventions, Standard of Care
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
223,165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional Results available

A Pharmacist Intervention for Monitoring and Treating Hypertension Using Bidirectional Texting

NCT03986931
View directory record Official record
Conditions
Hypertension
Interventions
Experimental: Pharmacist-Bidirectional Texting Group, Active Comparator: Control Group
Other
Lead sponsor
Linnea Polgreen
Other
Eligibility
21 Years to 100 Years
Enrollment
535 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional Results available

Pragmatic Trial of Messaging to Providers About Treatment of Heart Failure

NCT04514458
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction
Interventions
Best practice alert for the notification of patient HFrEF and recommended evidence-based therapies (NO drugs are being administered in this trial)
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
1,410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional Results available

Nudging Flu Vaccination by Making it Easy for Patients to Schedule a Flu Shot

NCT05493787
View directory record Official record
Conditions
Influenza
Interventions
Reminder
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
139,503 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 30, 2024 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Third Ward Wellness Study for Families

NCT03590301
View directory record Official record
Conditions
Child Obesity
Interventions
FUNPALs Playgroup, Healthy Toddler Parent Group
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 7, 2020 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional

Testing a Self-Management App for Symptoms of Posttraumatic Stress

NCT04155736
View directory record Official record
Conditions
PTSD
Interventions
Renew
Behavioral
Lead sponsor
Palo Alto Veterans Institute for Research
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Menlo Park, California
Source: ClinicalTrials.gov public record
Updated Mar 25, 2021 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional

A Text Message Behavioral Intervention to Reduce Alcohol Consumption in Young Adults

NCT01688245
View directory record Official record
Conditions
Alcohol Consumption, Alcohol Intoxication
Interventions
SMS Assessments & Feedback, SMS Assessments
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years
Enrollment
765 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Trial Assessing the Effectiveness of Text Messages in Improving Continuation of Birth Control

NCT01545609
View directory record Official record
Conditions
Initiation of a Birth Control Method
Interventions
Text messaging
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
15 Years to 19 Years · Female only
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 24, 2013 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional

A Mobile Text Messaging Intervention for Indoor Tanning Addiction

NCT04055272
View directory record Official record
Conditions
Indoor Tanning
Interventions
Mobile text messaging intervention
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Social Media and Cancer Screening Information

NCT06712901
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Median Ranked Cancer Screening Messaging, Overall Preferred Cancer Screening Messaging, Black American Preferred Cancer Screening Messaging, White American Preferred Cancer Screening Messaging, Control
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
45 Years to 75 Years
Enrollment
2,030 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional Results available

Physical Activity and Healthy Eating Among Young Adult Cancer Survivors

NCT05887401
View directory record Official record
Conditions
Physical Activity, Neoplasms, Cancer
Interventions
Core Intervention, Simplified Dietary Monitoring (Green), Simplified Dietary Monitoring (Red), Nutrition Goals (Yes), Nutrition Goals (No), Supportive Text Messages (Yes), Supportive Text Messages (No), Lesson Delivery (Once), Lesson Delivery (Weekly)
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years to 39 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adolescent Acts of Kindness Intervention With Reflection

NCT05267132
View directory record Official record
Conditions
Mental Health Wellness 1
Interventions
Other-Focused Acts of Kindness Intervention with Reflection, Other-Focused Acts of Kindness Intervention, Daily Reports
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
14 Years to 17 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 5, 2025 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Phase 2 Interventional Results available

eIMPACT-DM Pilot Trial: Depression Treatment to Reduce Diabetes Risk

NCT04437485
View directory record Official record
Conditions
Depression, Major Depressive Disorder, Dysthymic Disorder, Depressive Symptoms, Type 2 Diabetes, PreDiabetes, Insulin Resistance
Interventions
Good Days Ahead (GDA), Problem Solving Treatment in Primary Care (PST-PC), Antidepressant Medications, Active Control
Behavioral · Drug · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 2, 2023 · Synced Oct 20, 2026, 5:30 PM EDT
Active, not recruiting Not applicable Interventional

Texting for Diabetes

NCT03025984
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 20, 2026, 5:30 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Self-Monitoring of Carbon Monoxide to Enhance Reproductive Outcomes in Women

NCT02246114
View directory record Official record
Conditions
Pregnancy, Smoking, Smoking Cessation
Interventions
piCO+ Smokerlyzer® monitor, Text messages
Device · Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 16, 2017 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

5-Cog Battery for Detecting Cognitive Impairment and Dementia

NCT03816644
View directory record Official record
Conditions
Dementia, Cognitive Impairment, Mild Cognitive Impairment, Neurocognitive Disorders
Interventions
5-Cog, Health Literacy & Grip Assessment
Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
65 Years and older
Enrollment
1,201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional Results available

Evaluation of an Interactive Opioid Risk Education Program (STOMP) for Parents

NCT03287622
View directory record Official record
Conditions
Pain, Postoperative, Medication Adherence, Opioid Use, Knowledge, Attitudes, Practice, Risk Reduction Behavior
Interventions
Educational Intervention, Nudge
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 99 Years
Enrollment
712 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional

Better Outcomes for Anticoagulation Treatment Through Observation of Atrial Rhythm

NCT03515083
View directory record Official record
Conditions
Non-valvular Atrial Fibrillation
Interventions
Alive Cor Kardia mobile electrocardiogram monitor
Device
Lead sponsor
Saint Luke's Health System
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced Oct 20, 2026, 5:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impacting the Disposal of Unused Opioid

NCT04044105
View directory record Official record
Conditions
Opioid Use and Disposal
Interventions
Pamphlet education, Pamphlet education + texts
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
563 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 30, 2021 · Synced Oct 20, 2026, 5:30 PM EDT