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ClinicalTrials.gov public records Last synced Oct 19, 2026, 2:29 PM EDT

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Showing 217–240 of 3,116 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Message Clear all
Recruiting Phase 2 Interventional

Informing Oral Nicotine Pouch Regulations to Promote Public Health

NCT06315881
View directory record Official record
Conditions
Tobacco-Related Carcinoma
Interventions
Biospecimen Collection, Cigarette, Nicotine Oral Pouch, Smokeless Tobacco, Survey Administration, Text Message-Based Navigation Intervention
Procedure · Drug · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Choice on Colorectal Cancer Screening

NCT05275530
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Neoplasms, Health Screening
Interventions
Active FIT Choice, Active Colonoscopy Choice, Active Dual Choice
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
45 Years to 49 Years
Enrollment
20,509 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Los Angeles, California • Westwood, Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 13, 2023 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional

Saferteens in Primary Care

NCT03410238
View directory record Official record
Conditions
Violence
Interventions
Saferteens Brief Intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
14 Years to 18 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 29, 2019 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutritional Language Model

NCT06661590
View directory record Official record
Conditions
No Disease State or Condition
Interventions
Nutritional Messaging
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Austin, Minnesota
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Oct 19, 2026, 2:29 PM EDT
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 11, 2025 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Results available

Digital Intervention to Treat Anxiety and Depression Among Persons Receiving Treatment for Opioid Use Disorder

NCT05047627
View directory record Official record
Conditions
Opioid-use Disorder, Anxiety Disorders, Depressive Disorder
Interventions
Smartphone-Based Digital Intervention
Behavioral
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sexual Health Texting Intervention to Support Adolescent Females

NCT02419690
View directory record Official record
Conditions
Teen Sexual Health
Interventions
text message intervention
Behavioral
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
13 Years to 18 Years · Female only
Enrollment
244 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 10, 2020 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Smartphone Based Smoking Cessation Intervention

NCT03740490
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smart-T + NRT, QuitGuide + NRT
Combination Product
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
454 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 17, 2025 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Culturally Optimized Messages for Latinos

NCT05589740
View directory record Official record
Conditions
Diet, Healthy, Diet Habit, Obesity, Blood Pressure, Psychological
Interventions
Culturally tailored healthy eating advice, Standard healthy eating advice
Behavioral
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
25 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 3, 2024 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Post Operative Survey Through a Bi-Directional Secure Mobile Messaging System

NCT03430960
View directory record Official record
Conditions
Pain
Interventions
Phone Call, Mobile App Survey
Other
Lead sponsor
Defense and Veterans Center for Integrative Pain Management
Other
Eligibility
18 Years to 89 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 19, 2018 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Smartphone Technology: Young Adult Drinking

NCT02963818
View directory record Official record
Conditions
Alcohol Use, Alcohol Drinking, Drinking Behavior
Interventions
Smartphone breathalyzer device/app use, BAC estimator app use, Text messaging procedure
Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 25 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 26, 2024 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional

Mobile Health (mHealth) Black Women With Breast Cancer

NCT02463474
View directory record Official record
Conditions
Breast Neoplasms
Interventions
mHealth Intervention
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
21 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 16, 2017 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

WILD 5 Wellness: A 90-Day Intervention (WILD = Wellness Interventions for Life's Demands)

NCT02918513
View directory record Official record
Conditions
Chronic Pain, Stress, Psychological, Healthy
Interventions
Wellness Element 1 - Exercise, Wellness Element 2 - Mindfulness, Wellness Element 3 - Sleep Hygiene, Wellness Element 4 - Social Connectedness, Wellness Element 5 - Nutrition, Wellness Element 6 - Wellness Exercises, Wellness Element 7 - Motivational Messages
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 5, 2019 · Synced Oct 19, 2026, 2:29 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Physical Activity Participation in Latinas With Mindfulness

NCT06848335
View directory record Official record
Conditions
Inactivity, Inactivity/Low Levels of Exercise, Inactivity, Physical
Interventions
Remote Physical Activity Intervention, Mindfulness Enhanced Remote Physical Activity Intervention, Attention Matched Enhanced Remote PA intervention
Behavioral
Lead sponsor
Bess Marcus
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
258 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

txt2protect: Using Text Messaging to Increase HPV Vaccination Among Young Sexual Minority Men

NCT02994108
View directory record Official record
Conditions
Human Papillomavirus
Interventions
txt2protect, Sexual Health Control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 20, 2020 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional

Targeting Metabolic Syndrome From the Emergency Department Through Mixed-Methods: Pilot Trial

NCT07119658
View directory record Official record
Conditions
Hypertension, Hyperglycemia, Dyslipidemia, Metabolic Syndrome, Obesity &Amp; Overweight, Diabetes, Hyperlipidemia, Emergency Medicine
Interventions
Composite intervention to address MetS
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional

Study of a Primary Care Hypoglycemia Prevention Program

NCT06353217
View directory record Official record
Conditions
Diabetes Mellitus, Hypoglycemia
Interventions
Patient Group (Hypoglycemia Prevention Program), Primary Care Physician Group, Clinic Staff Group
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Latinos Kick Buts: Mobile Engagement and Cessation Support for Latinos Who Smoke

NCT05722132
View directory record Official record
Conditions
Smoking Cessation
Interventions
One cycle, 4 cycles, 5 Dollar Incentive, Raffle Incentive
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
21 Years and older
Enrollment
2,826 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2023 · Synced Oct 19, 2026, 2:29 PM EDT
Recruiting Not applicable Interventional

A Tailored Medication Adherence-Promotion Intervention for Adolescents and Young Adults With Cancer

NCT07223463
View directory record Official record
Conditions
Cancer, Medication Adherence
Interventions
Tailored Program, Feedback Program (Uniform Standard of Care)
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
15 Years to 24 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
4
States / cities
Kansas City, Kansas • New York, New York • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Testing Means to Scale Early Childhood Development Interventions in Rural Kenya

NCT03548558
View directory record Official record
Conditions
Early Child Development
Interventions
Group sessions, Group+Home sessions, Booster sessions, Fathers invited
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
15 Years and older
Enrollment
1,152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2023 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Results available

Diabetes Remote Care Management System

NCT01354015
View directory record Official record
Conditions
Diabetes
Interventions
DRMS
Device
Lead sponsor
Tulane University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Oct 19, 2026, 2:29 PM EDT
Completed No phase listed Observational

Improving Gap Closure Rates Using a Predictive Model

NCT04806984
View directory record Official record
Conditions
Communication, Appointments and Schedules
Interventions
Participant outreach
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
3 Years and older
Enrollment
34,896 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Activating Messages for Enhancing Primary Care Practice (AMEP2): Effectiveness Study

NCT01144104
View directory record Official record
Conditions
Depression
Interventions
Public Service Announcement, Interactive Multi-Media Computer Program, Sleep Hygiene Video
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
25 Years to 70 Years
Enrollment
925 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
6
States / cities
Elk Grove, California • Mather, California • Sacramento, California + 1 more
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional

Using Mobile Technology and Incentives With Men Who Have Sex With Men and Transgender Women for HIV Prevention

NCT03144336
View directory record Official record
Conditions
HIV Infections, HIV
Interventions
Information provision, Weekly quizzes, Rewards for testing HIV-negative
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Oct 19, 2026, 2:29 PM EDT