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ClinicalTrials.gov public records Last synced Sep 6, 2026, 4:37 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Text Message Boosters Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Hybrid Type I Effectiveness-Implementation Trial of a Social Network Support Intervention

NCT05723653
View directory record Official record
Conditions
HIV Seropositivity
Interventions
Social Network Support Intervention
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 49 Years
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
7
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chicago, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional

Promoting Positive Care Interactions (PPCI) in Assisted Living

NCT05618834
View directory record Official record
Conditions
Alzheimer Disease and Related Dementias
Interventions
Promoting Positive Care Interactions (PPCI), PPCI-Staff Education Only (EO)
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
65 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Fit 5 Kids Screen Time Reduction Curriculum for Latino Preschoolers

NCT03575884
View directory record Official record
Conditions
Obesity, Childhood, Physical Activity, Nutrition
Interventions
Screen Time Reduction Curriculum
Behavioral
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
3 Years to 5 Years
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
3
States / cities
Houston, Texas • Seattle, Washington • Sunnyside, Washington
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Sep 6, 2026, 4:37 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

College Student Daily Life and Alcohol Use Study

NCT06365125
View directory record Official record
Conditions
Drinking, College, Drinking Heavy
Interventions
eCHECKUP TO GO, Text messaging boosters
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years to 30 Years
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 21, 2025 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Planning Message Recommending Same Time/Location as Last Vaccine

NCT05612386
View directory record Official record
Conditions
COVID-19
Interventions
COVID Booster text messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
520,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Information Provision and Consistency Framing to Increase COVID-19 Booster Uptake

NCT05586178
View directory record Official record
Conditions
COVID-19, Vaccines
Interventions
Reminder that facilitates action, Consistency framing, Information provision about the uniqueness of the bivalent booster, Information provision about bivalent booster eligibility, Information provision about the severity of COVID-19 symptoms
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
177,720 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 4, 2024 · Synced Sep 6, 2026, 4:37 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Girl2Girl: A Web-based Trial

NCT04809155
View directory record Official record
Conditions
Pregnancy Prevention
Interventions
Girl2Girl
Behavioral
Lead sponsor
Center for Innovative Public Health Research
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
574 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Clemente, California
Source: ClinicalTrials.gov public record
Updated Mar 21, 2021 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional

Medical Care, Education, Social Support, And Goal-setting to Empower Self-management for Diabetes

NCT03487692
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Diabetes MESSAGES Program, Diabetes MESSAGES Program (second trial)
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COVID-19 Booster Readiness Survey

NCT05529030
View directory record Official record
Conditions
Vaccination Refusal
Interventions
Salience of Omicron variant, Self-protection message, Other-protection message
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
12,036 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 29, 2022 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Phase 2 Interventional

A Pilot RCT of the PRISM Intervention for AYAs With Cancer

NCT02340884
View directory record Official record
Conditions
Cancer, Acute Lymphoblastic Leukemia, Lymphoma, Sarcoma, Acute Myelogenous Leukemia, Brain Tumors, Germ Cell Tumor
Interventions
Promoting Resilience In Stress Management (PRISM)
Behavioral
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
13 Years to 25 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 8, 2024 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Message Offering Free Round Trip Ride-Share Ride to Pharmacy

NCT05612373
View directory record Official record
Conditions
COVID-19
Interventions
COVID Booster text messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
300,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Sep 6, 2026, 4:37 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 4, 2024 · Synced Sep 6, 2026, 4:37 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effectiveness and Implementation of Text Messaging to Improve HIV Testing in Adolescents

NCT06096519
View directory record Official record
Conditions
HIV
Interventions
Information, motivation, behavioral skills treatment arm, Information only control arm
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
13 Years to 19 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 6, 2026, 4:37 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Motivating Campus Change Study

NCT04030325
View directory record Official record
Conditions
Drinking Behavior
Interventions
Sequential Personalized Feedback Intervention Delivery, Simultaneous Personalized Feedback Intervention Delivery, Text Message Boosters
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 24 Years
Enrollment
1,012 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COVID-19 Bivalent Booster Megastudy

NCT05607082
View directory record Official record
Conditions
COVID-19
Interventions
COVID Booster text messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
2,600,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional

Effectiveness RCT of Customized Adherence Enhancement

NCT04622150
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Customized Adherence Enhancement (CAE), Enhanced Treatment as Usual (eTAU)
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years to 89 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Cleveland, Ohio • Lorain, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 6, 2026, 4:37 AM EDT
Active, not recruiting Not applicable Interventional

Behavioral Economic and Wellness-based Approaches for Reducing Alcohol Use and Consequences Among Emerging Adults

NCT04776278
View directory record Official record
Conditions
Alcohol Abuse
Interventions
Brief Alcohol Intervention (BAI), Substance-free Activity Session (SFAS), Relaxation Training (RT), Education Control
Behavioral · Other
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 29 Years
Enrollment
525 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Sep 6, 2026, 4:37 AM EDT
Recruiting Not applicable Interventional

Health Behavior Intervention for Adults With Type 1 Diabetes

NCT05823142
View directory record Official record
Conditions
Type1diabetes
Interventions
CB Sleep
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 40 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Sep 6, 2026, 4:37 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Family Intervention to Prevent Childhood Obesity

NCT05606731
View directory record Official record
Conditions
Childhood Obesity
Interventions
Family-Based Childhood Obesity Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
2 Years and older
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Computerized Brief Alcohol Intervention (BI) for Binge Drinking HIV At-Risk and Infected Women

NCT01125371
View directory record Official record
Conditions
Alcohol; Harmful Use, Binge Drinking, Risk Behavior, HIV Infection
Interventions
Computerized brief alcohol intervention + IVR booster calls, Computerized brief alcohol intervention, Attention Control
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
439 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 23, 2022 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Motivating Campus Change Project Pilot Study

NCT03962751
View directory record Official record
Conditions
Drinking Behavior
Interventions
Simultaneous Post Feedback Intervention Delivery, Sequential Post Feedback Intervention Delivery, Text Message Boosters
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 24 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 15, 2020 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional Results available

An Adaptive Intervention for Adolescents at Risk for Suicide: A Pilot SMART

NCT03838198
View directory record Official record
Conditions
Suicide, Self Harm
Interventions
MI-Enhanced Safety Plan at Hospitalization (1st Component), MI-Enhanced Text Boosters (2nd Component), MI-Enhanced Booster Call (3rd Component)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 17 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 27, 2021 · Synced Sep 6, 2026, 4:37 AM 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 28, 2019 · Synced Sep 6, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Girl2Girl: Harnessing Text Messaging to Reduce Teenage Pregnancy Among LGB Girls

NCT03029962
View directory record Official record
Conditions
Teenage Pregnancy
Interventions
Girl2Girl
Behavioral
Lead sponsor
Center for Innovative Public Health Research
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
948 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
San Clemente, California
Source: ClinicalTrials.gov public record
Updated Mar 15, 2021 · Synced Sep 6, 2026, 4:37 AM EDT