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ClinicalTrials.gov public records Last synced May 22, 2026, 4:09 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Text Messaging Clear all
Completed Not applicable Interventional
View directory record Official record
Conditions
Pediatric Obesity
Interventions
Lifestyle counseling, Text Messaging
Behavioral
Lead sponsor
Duke University
Other
Eligibility
5 Years to 12 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Colorectal Cancer, Colon Cancer, Rectal Cancer
Interventions
Fitbit and Text Messages
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 26, 2020 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Smoking
Interventions
Web+Mobile, Web Only
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced May 22, 2026, 4:09 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Orthopedic Disorders
Interventions
Right-size clinic visits
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced May 22, 2026, 4:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cell Phone Use, Automobile Driving
Interventions
Commercial Cellphone-Blocking App (Active), Driving Mode
Behavioral
Lead sponsor
Motao Zhu
Other
Eligibility
18 Years to 24 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Diabetes Mellitus, Hypertension, Hyperlipidemia
Interventions
Pre-filled trays
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 3, 2020 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Asthma
Interventions
Text Message Reminders
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Years to 22 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 11, 2016 · Synced May 22, 2026, 4:09 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Abortion, Induced, Cervical Preparation, Pain
Interventions
Gabapentin 600mg, Placebo oral capsule, acetaminophen/codeine and ibuprofen
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Schizophrenia, Schizo Affective Disorder, Psychosis
Interventions
Mobile Enhancement of Motivation (MEMS), Control
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 29, 2018 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Hypertension
Interventions
Text messages
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 85 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced May 22, 2026, 4:09 AM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Attention Deficit/Hyperactivity Disorder
Interventions
SMS Intervention
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 25, 2022 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Alcohol-Related Disorders, Alcohol Use Disorders, Alcohol Drinking, Alcoholism, Alcohol Abuse
Interventions
Adaptive Tailored Intervention, Consequence-based Intervention, Tailored, not adaptive, based Intervention, Assessment only
Behavioral · Other
Lead sponsor
Northwell Health
Other
Eligibility
21 Years to 65 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Great Neck, New York
Source: ClinicalTrials.gov public record
Updated Oct 12, 2016 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Depressive Symptoms, Anxiety, COVID-19
Interventions
Uniform random message delivery, Reinforcement learning message delivery, Mood ratings only
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated May 22, 2023 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Primary Health Care
Interventions
Salud al Día
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Hyperlipemia, Hypertension, Type2 Diabetes
Interventions
Text Message Intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced May 22, 2026, 4:09 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Schizophrenia, Schizophreniform Disorder, Schizoaffective Disorder
Interventions
Cognitive training, Aerobic Exercise Program, Moderated Online Social Therapy (MOST), Chorus Participatory Text Messaging Program, Healthy Living Group (HLG)
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 1, 2025 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
HIV Infections
Interventions
Text messaging plus EMA, Treatment as usual
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 14, 2018 · Synced May 22, 2026, 4:09 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Cessation
Interventions
mHealth Messaging to Motivate Quitline use and Quitting among Persons Living With HIV (PLWH) in Vietnam (M2Q2-HIV), M2Q2-HIV Comparison
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 21, 2025 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Perinatal Depression, Perinatal Anxiety, Parenting Stress
Interventions
Peer mentor texting, Control
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
Not listed
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Smokeless Tobacco Cessation
Interventions
Scheduled Gradual Reduction (SGR), Text Messages
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Sarcoma, Lung, Solid Tumor Gastrointestinal
Interventions
SMS/MMS text messaging, usual care
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 18, 2018 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Lifestyle-related Condition, Obesity, Sedentary Lifestyle, PreDiabetes, Hypertension
Interventions
Health Coaching
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 64 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Sep 12, 2022 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
PIER
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 4, 2017 · Synced May 22, 2026, 4:09 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Influenza
Interventions
text message
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
4,026 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 18, 2015 · Synced May 22, 2026, 4:09 AM EDT