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ClinicalTrials.gov public records Last synced Oct 28, 2026, 5:08 PM EDT

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Showing 673–696 of 791 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Daily text message Clear all
Completed Not applicable Interventional

Text Messaging for Weight Loss

NCT02063048
View directory record Official record
Conditions
Body Weight, Body Weight Changes, Prediabetic State, Prediabetes
Interventions
Text Message Based Weight Loss Support
Behavioral
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 21, 2016 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Life-Steps Counseling to Enhance Adherence and Engagement in PrEP Care

NCT04316715
View directory record Official record
Conditions
Adherence, Medication
Interventions
Lifesteps for PrEP, Daily text message reminders
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
2
States / cities
Miami, Florida • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional

Attention to Variability During Infertility

NCT03712982
View directory record Official record
Conditions
Infertility, Infertility, Female, Infertility, Male
Interventions
Attention to Variability - Patient Only, Attention to Variability - Partner Only, Attention to Variability - Patient & Partner, Infertility Stories - Reading
Behavioral · Other
Lead sponsor
Harvard University
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Education of Providers on Prescribing Best Practices

NCT03771482
View directory record Official record
Conditions
Education
Interventions
Quiztime modules
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
369 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 14, 2020 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional Results available

Chronic Care Management/Patient Relationship Management Proof of Concept

NCT01182480
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Patient Relationship Management (PRM) Program
Behavioral
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years to 76 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 5, 2014 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional Results available

A Pharmacist Intervention to Improve Mother and Child Health

NCT06073054
View directory record Official record
Conditions
Hypertension
Interventions
Research Pharmacist
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 29, 2025 · Synced Oct 28, 2026, 5:08 PM EDT
Not yet recruiting Not applicable Interventional

Preoperative Outreach to Improve Surgical Attendance

NCT07644819
View directory record Official record
Conditions
Urology
Interventions
Preoperative Outreach
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional

Text Message Support to Prevent Smoking Relapse

NCT02968095
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Text Message Craving Program, Self-Help Manual Plus Control Texts
Behavioral
Lead sponsor
Miami University
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Oxford, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 15, 2019 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional Results available

Mindfulness-based Smoking Cessation Enhanced With Mobile Technology

NCT04965181
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Mindfulness-Based Addiction Treatment, Nicotine Replacement Therapy, Self-help materials, iQuit Mindfully
Behavioral · Drug
Lead sponsor
Georgia State University
Other
Eligibility
18 Years and older
Enrollment
504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional

A Stress and Pain Self-management m-Health App for Adult Outpatients With Sickle Cell Disease

NCT04484272
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Self-monitoring of pain, stress, and opioid use + alerts/reminders + use of YCWS. [three video banks of RDE + Support])., Self-monitoring of pain, stress, and opioid use + alerts/reminders.
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 99 Years
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 28, 2026, 5:08 PM 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 9, 2026 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Phase 4 Interventional Results available

Engagement With an Adaptive Mobile Health Smoking Cessation Intervention

NCT04020718
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Brief telephone advice plus tailored text messages, Mailed nicotine replacement therapy, Proactive telephone coaching
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 10, 2022 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional

Military Continuity Project

NCT01829620
View directory record Official record
Conditions
Suicidal Ideation Active, Suicidal and Self-injurious Behavior
Interventions
TAU, CCVT+TAU
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
658 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
3
States / cities
Twentynine Palms, California • Fort Bragg, North Carolina • Marine Corps Base Camp Lejeune, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 2, 2020 · Synced Oct 28, 2026, 5:08 PM EDT
Recruiting Not applicable Interventional

Design and Feasibility of an SMS-based Safety Planning Intervention

NCT07365579
View directory record Official record
Conditions
Suicidal Ideation and Behavior
Interventions
Text Messaging based Safety Planning Intervention, Facilitated Referral to Crisis Resources
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 24 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acceptance and Commitment Therapy Delivered by Automated Software Messaging

NCT04329897
View directory record Official record
Conditions
Hip Osteoarthritis, Knee Osteoarthritis, Mental Stress, Coronavirus
Interventions
Software Messaging
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 16, 2020 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

FAMS Mobile Health Intervention for Diabetes Self-care Support

NCT02481596
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
REACH + FAMS, REACH, Helpline & A1c results
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
512 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 27, 2019 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility and Acceptability of a Text Messaging Intervention to Increase Smoking Cessation in Vietnam

NCT03219541
View directory record Official record
Conditions
Smoking
Interventions
Interventional Automated mobile phone text, Control Automated mobile phone text
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 17, 2020 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Light Exposure Tracker Designed to Improve Circadian Rhythms - Aim 1

NCT06356337
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Light goggles, Daily reminder test message
Device · Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
55 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Menands, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 28, 2026, 5:08 PM EDT
Active, not recruiting Not applicable Interventional

Kidney Health: Eat Well, Live Well

NCT05970341
View directory record Official record
Conditions
Chronic Kidney Diseases
Interventions
1. Welcome package, 2. Welcome information (phone or text), 3. Produce delivery + Recipes customized to produce, 4. E-gift cards to a grocery store of choice, 5. Personalized practical & emotional support through a dedicated health partner
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional

Blood Pressure-Improving Control Among Alaska Native People" (BP-ICAN)

NCT03872856
View directory record Official record
Conditions
Hypertension
Interventions
BP-ICAN
Device
Lead sponsor
Southcentral Foundation
Other
Eligibility
18 Years and older · Male only
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
Anchorage, Alaska • Wasilla, Alaska
Source: ClinicalTrials.gov public record
Updated Aug 1, 2024 · Synced Oct 28, 2026, 5:08 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Testing Responses of Young Adults to Intervention Messages for Promoting Physical Activity Trial

NCT05794178
View directory record Official record
Conditions
Physical Inactivity, Weight Gain
Interventions
Education, Activity tracker, Text messaging (random timing and selection), Text messaging (precision dosing)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 29 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
2
States / cities
Ann Arbor, Michigan • University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 28, 2026, 5:08 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 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Smartphone App to Improve Physical Activity

NCT03417440
View directory record Official record
Conditions
Sedentary Lifestyle
Interventions
Physical Activity (PA) Tracker App, On Your Feet, Coach Me, Proof Positive
Other
Lead sponsor
University of Southern California
Other
Eligibility
65 Years to 84 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
Glendale, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 21, 2022 · Synced Oct 28, 2026, 5:08 PM EDT
Completed Not applicable Interventional

Remote Monitoring and Contingency Management Reinforcement for Alcohol Abstinence

NCT01307345
View directory record Official record
Conditions
Alcohol Use
Interventions
contingency management for abstinence
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 20, 2018 · Synced Oct 28, 2026, 5:08 PM EDT