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ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:02 PM EDT

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Showing 265–288 of 732 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Texting Clear all
Completed Not applicable Interventional

Text Messaging Intervention to Improve ART Adherence Among HIV-positive Youth

NCT01354210
View directory record Official record
Conditions
Patient Adherence, HIV
Interventions
SMS Text Message Reminder
Behavioral
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
16 Years to 29 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 15, 2021 · Synced Oct 17, 2026, 6:02 PM 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 16, 2021 · Synced Oct 17, 2026, 6:02 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Optimizing Technology-Delivered Interventions for Smoking in Pregnancy: The Mommy Check-Up Study.

NCT02340624
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Referral to SmokeFreeMoms, Quitline or Brief intervention
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 16, 2015 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Cell Phone-Based Program for Abstinence and HIV Risk Prevention

NCT00601237
View directory record Official record
Conditions
HIV Infections
Interventions
HIV-related text messaging, Nutrition-related text messaging
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
16 Years to 20 Years · Male only
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 3, 2015 · Synced Oct 17, 2026, 6:02 PM EDT
Completed No phase listed Observational Results available

Post-op Crowd Sourcing Health Data Via Text-messaging

NCT03532256
View directory record Official record
Conditions
Orthopedic Surgery, Opioid Use, Acute Injuries Knee, Neurosurgery, Surgery
Interventions
Observation, Text to online survey, Bi-directional text script
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 17, 2026, 6:02 PM EDT
Recruiting Not applicable Interventional

Conversational AI Platform for Early Pregnancy Care City-wide Recruitment: A Feasibility Study

NCT07197892
View directory record Official record
Conditions
Early Pregnancy
Interventions
CIRCA Texting Platform
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
15 Years and older · Female only
Enrollment
2,637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Text4Peds: Short Message Service Evaluating Medical Student Education

NCT03346616
View directory record Official record
Conditions
Education, Medical, Undergraduate, SMS
Interventions
Texting Group, Non Texting Group
Other
Lead sponsor
St. Louis University
Other
Eligibility
20 Years to 50 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 17, 2017 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional

Effect of Packaging on Smoking Perceptions and Behavior

NCT02676193
View directory record Official record
Conditions
Smoking, Tobacco Smoking
Interventions
Effect of Packaging on Smoking Perceptions and Behavior
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 65 Years
Enrollment
359 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

CCTG 595: Text Messaging Intervention to Improve Adherence to PrEP in High-risk MSM

NCT01761643
View directory record Official record
Conditions
Patient Adherence, HIV Seronegativity
Interventions
SoC + iTab
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Male only
Enrollment
398 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
4
States / cities
Long Beach, California • Los Angeles, California • San Diego, California + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

Ecological Momentary Intervention of Implementation Intentions Delivered by Text Message to Reduce Cigarette Smoking

NCT04967885
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Ecological Momentary Implementation Intentions Intervention (EMI-II)
Behavioral
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional

Comparing Technological and Relational Approaches to Support Families After a Missed Well Child Visit

NCT06686849
View directory record Official record
Conditions
Well-child Care Visits
Interventions
Low-touch: texting, High-touch: Community health worker outreach
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Up to 17 Years
Enrollment
3,846 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Phase 2 Interventional Results available

Interventions Against Insulin Resistance in Pulmonary Arterial Hypertension

NCT03617458
View directory record Official record
Conditions
Pulmonary Artery Hypertension
Interventions
Metformin, Placebo, mHealth Intervention, Usual Care
Drug · Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Nashvile, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 17, 2026, 6:02 PM EDT
Recruiting Not applicable Interventional

iCardia4HF: Multi-component mHealth Intervention for Patients With Heart Failure

NCT06205225
View directory record Official record
Conditions
Heart Failure
Interventions
Text4HF, MyApps, MyApps & Text4HF, Enhanced Usual Care
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 30, 2026 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Phase 4 Interventional Results available

Pre-exposure Prophylaxis (PrEP) Adherence Enhancement Guided by iTAB and Drug Levels for Women

NCT02584140
View directory record Official record
Conditions
HIV Prevention
Interventions
Text Messaging, Adherence Counseling, Daily Oral PrEP
Behavioral · Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Female only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
5
States / cities
Los Angeles, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Engaging Rural Men With Mobile Technologies for Weight Loss

NCT03329079
View directory record Official record
Conditions
Weight Loss
Interventions
Mobile Technology Plus, Mobile Technology
Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
40 Years to 69 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Norfolk, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

Assessing Home Food Environment and Diabetes Self-management Among Adult Type 2 Diabetes Patients

NCT03039569
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Text messaging
Behavioral
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
30 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

Supporting Self-Management of Healthy Behaviors in Chronic Kidney Disease

NCT04858295
View directory record Official record
Conditions
Renal Insufficiency, Chronic, Hypertension
Interventions
Texting, mHealth app
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Personalized Patient Data and Behavioral Nudges to Improve Adherence to Chronic Cardiovascular Medications

NCT03973931
View directory record Official record
Conditions
Cardiovascular Diseases, Adherence, Medication, Medication Adherence, Diabetes Mellitus, Hypertension, Hyperlipidemias, Coronary Artery Disease, Atrial Fibrillation
Interventions
Nudge
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
9,501 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
4
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

SMS System for Patients With Uncontrolled Hypertension

NCT03596242
View directory record Official record
Conditions
Hypertension
Interventions
SMS System, blood pressure control education
Other · Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Oct 17, 2026, 6:02 PM EDT
Enrolling by invitation Phase 2 Interventional Accepts healthy volunteers

Consumption of More Ideal Food Options (COMIDA: Consumo de Opciones Más Ideales De Alimentos)

NCT03851458
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Initial in-person individual diet and exercise counseling (N vs. Y), Thrice weekly diet and exercise text messages (N vs. Y), Weekly telephone support (N vs. Y), Self-monitoring tools (N vs. Y) (for diet and weight)
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,785 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 17, 2026, 6:02 PM EDT
Recruiting Not applicable Interventional

The NOTICE Study: Neurosurgery and OrThopedIcs Communication Evaluation Study Following Lumbar Fusions

NCT04140344
View directory record Official record
Conditions
Lumbar Spine Degeneration, Lumbar Spine Instability, Lumbar Spondylosis
Interventions
Text Message Group
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Text4Diet: A Text Messaging Program for Weight Loss

NCT01571258
View directory record Official record
Conditions
Text Messaging (Intervention), Control
Interventions
Text Messaging
Behavioral
Lead sponsor
Santech, Inc
Industry
Eligibility
21 Years to 65 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2012 · Synced Oct 17, 2026, 6:02 PM EDT
Recruiting Not applicable Interventional

Partnership to Reduce Obesity in Community Health Center Patients (SMARTLife Utah)

NCT07582016
View directory record Official record
Conditions
Obesity
Interventions
Ask-Advise-Connect (AAC), Text Messaging (TM), Connect Only (CO), TM-Continued (TM-Cont), Continued TM plus Motivation And Problem Solving (TM+MAPS)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
5,354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 17, 2026, 6:02 PM EDT
Completed Not applicable Interventional

Using a Motivational Interviewing (MI) Informed Text Messaging Program to Lower Blood Sugar in Diabetic Patients.

NCT02012478
View directory record Official record
Conditions
Type II Diabetes Mellitus
Interventions
MI- informed SMS program
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 26, 2018 · Synced Oct 17, 2026, 6:02 PM EDT