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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:08 AM EDT

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Showing 601–624 of 3,122 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Messaging Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

CATCH-UP Vaccines: Engaged Approaches to Testing in Community/Healthcare Settings for the Underserved (COVID-19)

NCT05236270
View directory record Official record
Conditions
COVID-19, Vaccine Refusal
Interventions
Text Message, Motivational Interviewing, Electronic Educational Message with Tailored Questions/Prompts
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 100 Years
Enrollment
312 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional

Telemedicine in Spina Bifida Transition: A Pilot Study

NCT03466996
View directory record Official record
Conditions
Spina Bifida
Interventions
Intervention group, Standard of care group
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
13 Years to 25 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 20, 2021 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Message Framing and Policy Support for Front-of-package Labeling

NCT06296342
View directory record Official record
Conditions
Diet, Healthy
Interventions
Exposure to information framing message, Exposure to healthier choices framing message, Exposure to industry framing message
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 55 Years
Enrollment
4,107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 19, 2025 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Starting Healthy Staying Healthy Pilot Trial

NCT00503074
View directory record Official record
Conditions
Obesity
Interventions
TV modification, safety and injury prevention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
2 Years to 5 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 20, 2009 · Synced Oct 24, 2026, 2:08 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

HIV/STI/HCV Testing and Overdose Prevention Among Survivors of Sex Trafficking

NCT07264582
View directory record Official record
Conditions
HIV Testing, STI, HCV, Overdose, Drug
Interventions
Sex Trafficking Survivor-Developed Digital Crowdsourced Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
368 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Results available

CanCope: Digital Intervention for Coping With Cannabis Craving

NCT05328362
View directory record Official record
Conditions
Cannabis Use
Interventions
CanCope
Behavioral
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
19 Years to 25 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Results available

SCALE-UP Utah II: Community-Academic Partnership to Address COVID-19 Text Message Study

NCT05533918
View directory record Official record
Conditions
COVID-19
Interventions
Text-Messaging (TM), Patient Navigation (PN)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
31,439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Oct 24, 2026, 2:08 AM EDT
Recruiting Not applicable Interventional

Teaching Health Resilience in a Hospital Setting: A Peer-led Intervention

NCT06843213
View directory record Official record
Conditions
Opioid Use Disorder, Harm Reduction, Health Promotion
Interventions
Peer Intervention, Enhanced Usual Care
Behavioral · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
3
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoker-to-Smoker (S2S) Peer Marketing and Messaging to Disseminate Tobacco Interventions

NCT03224520
View directory record Official record
Conditions
Smoking Cessation
Interventions
Recommender CTHC, Standard CTHC, Peer Recruitment, Standard Online Recruitment
Behavioral · Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
1,487 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 26, 2021 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional

Outcomes of a Self-guided Versus Therapist-guided Online Mental Health Treatment

NCT04810988
View directory record Official record
Conditions
Depression, Anxiety, Mood
Interventions
Unified Protocol, Therapist Support
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 22, 2024 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional

Leveraging mHealth Messaging to Promote Adherence in Teens With CKD

NCT03651596
View directory record Official record
Conditions
Chronic Kidney Diseases, Adherence, Medication, Communication
Interventions
mHealth Messaging Intervention Group, Standard mHealth Messaging Group
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
11 Years to 21 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 9, 2020 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Results available

COVID-19 Vaccine Text Outreach

NCT04834726
View directory record Official record
Conditions
Covid19
Interventions
Opt-In (Call-Back), Opt-in (In-Bound), Standard Message, Clinician Endorsement, Scarcity, Opt-Out Framing, Phone Call
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
16 Years and older
Enrollment
19,554 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Weight Loss Before Total Joint Arthroplasty Using A Remote Dietitian and Mobile App

NCT04330391
View directory record Official record
Conditions
Arthroplasties, Replacement, Weight Loss, Nutrition
Interventions
Remote dietitian supervised weight loss intervention and mobile app
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tobacco Treatment in the Context of Lung Cancer Screening

NCT03927989
View directory record Official record
Conditions
Smoking Cessation
Interventions
Text messaging plus nicotine replacement therapy, Standard Care at Lung Cancer Screening
Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
55 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 22, 2024 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Diet on Pregnancy Outcome and Child Obesity

NCT03232762
View directory record Official record
Conditions
Pregnancy Related, Diet Modification, Obesity, Hypertension, Pre-Eclampsia, Blood Pressure, Breast Feeding, Birth Weight
Interventions
Refined Grains, Whole Grains
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2019 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

COVID-19 Close Contact Self-Testing Study

NCT04847479
View directory record Official record
Conditions
Covid19
Interventions
COVID-19 self-test, COVID-19 test referral
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of Taste vs. Health-Based Messaging to Improve Diet Quality

NCT07156162
View directory record Official record
Conditions
Behavior, Health
Interventions
Videos: Taste vs Health, Health vs. Taste
Other
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 75 Years
Enrollment
514 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Shelton, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Targeted Intervention for Insufficient Sleep Among Typically-Developing Adolescents

NCT04163003
View directory record Official record
Conditions
Sleep Disturbance
Interventions
Targeted Approaches for Promoting Adolescent Sleep (TAPAS), Sleep Monitoring Only
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
13 Years to 15 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 12, 2022 · Synced Oct 24, 2026, 2:08 AM 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 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Increasing Breast Cancer Screening in Chinese Immigrants

NCT05089292
View directory record Official record
Conditions
Screening Mammogram
Interventions
Narrative breast health education
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
40 Years and older · Female only
Enrollment
99 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 Jun 10, 2024 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Computer-Mediated Versus Face-to-Face Motivational-Type Interviews

NCT06945471
View directory record Official record
Conditions
Marijuana Use
Interventions
1) Face-to-face, and 2) Computer-mediated motivational type interviews
Behavioral
Lead sponsor
University of Texas, El Paso
Other
Eligibility
18 Years to 29 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Apr 25, 2025 · Synced Oct 24, 2026, 2:08 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 24, 2026, 2:08 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Ohio State University (OSU) SCREEN Community Program

NCT06666192
View directory record Official record
Conditions
Breast Carcinoma, Cervical Carcinoma, Colorectal Carcinoma
Interventions
Cancer Screening, Discussion, Educational Activity, Educational Intervention, Focus Group, Health Care Delivery, Health Promotion, Health Promotion and Education, Health Risk Assessment, Implementation, Informational Intervention, Internet-Based Intervention, Interview, Outreach, Patient Navigation, Survey Administration
Other · Behavioral · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
Not listed
Enrollment
2,067 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 24, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Continuous Glucose Monitoring and Behavioral Change Intervention for People With Type 2 Diabetes and Diabetes Distress

NCT05941000
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Self-Monitoring of Behavior for Physical Activity, Action Planning for Physical Activity, Self-Monitoring of Behavior for Mood, Action Planning for Mood
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
45 Years and older
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 24, 2026, 2:08 AM EDT