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ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:20 PM EDT

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

Showing 1–24 of 100 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Cell phone text messaging Clear all
Enrolling by invitation Not applicable Interventional

Evaluating the Feasibility and Preliminary Effects of BE+

NCT07214441
View directory record Official record
Conditions
Lung Cancer (Non-Small Cell), Self-management Behavior, Physical Activity, Stress, Quality of Life, Resistance Training
Interventions
Breathe Easier+
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional

Midwest TXTXT Scale up of an Evidence-Based Intervention to Promote HIV Medication Adherence

NCT05783297
View directory record Official record
Conditions
HIV Infections
Interventions
Treatment Text (TXTXT), Standard of Care
Behavioral
Lead sponsor
Amy K. Johnson, PhD, MSW
Other
Eligibility
16 Years to 35 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
12
States / cities
Fort Lauderdale, Florida • Chicago, Illinois • Indianapolis, Indiana + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders_RCT 5 (LADHS)

NCT05535777
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Enhanced texts with Callback by a Person, Enhanced Bidirectional Texts
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
246,295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Goals for Reaching Optimal Wellness: GROWell

NCT04449432
View directory record Official record
Conditions
Pregnancy Related, Gestational Weight Gain, Postpartum Weight Retention, Overweight and Obesity
Interventions
GROWell (Interactive Obesity Treatment Approach), Attention Support Control
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Cell Phone-Based Expert Systems for Smoking Cessation

NCT01454999
View directory record Official record
Conditions
Smoking
Interventions
CTI
Behavioral
Lead sponsor
VA Pacific Islands Health Care System
Federal
Eligibility
18 Years and older
Enrollment
446 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Mar 17, 2016 · Synced Oct 17, 2026, 11:20 PM EDT
Terminated Not applicable Interventional

The Impact of Prehabilitation

NCT06181253
View directory record Official record
Conditions
Post Operative Complications
Interventions
Preoperative education, Moderate aerobic exercise, Text messages, Pedometer
Other · Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Trial Assessing the Effectiveness of Text Messages in Improving Continuation of Birth Control

NCT01545609
View directory record Official record
Conditions
Initiation of a Birth Control Method
Interventions
Text messaging
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
15 Years to 19 Years · Female only
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 24, 2013 · Synced Oct 17, 2026, 11:20 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study to See if an iPhone Weight Management App Can Help Promote Weight Loss in Adolescents and Young Adults After a Stem Cell Transplant

NCT04453072
View directory record Official record
Conditions
Obesity, Malignant Neoplasm
Interventions
Interview, Media Intervention, Questionnaire Administration, Scale Device, Telephone-Based Intervention, Text Message
Other · Behavioral
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
13 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fitness, Cellular Aging, and Caregiver Stress Study

NCT01993082
View directory record Official record
Conditions
Aging, Stress, Disease Risk
Interventions
Aerobic Training Intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
50 Years to 75 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 13, 2022 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional

UG3 Pilot Clinical Trial

NCT07073898
View directory record Official record
Conditions
Lung Cancer
Interventions
Repeated Text Messages (TM+), Conversational Agent (CA), Educational Video, Proactive Patient Navigation (PPN), Reactive Patient Navigation (RPN)
Other
Lead sponsor
University of Utah
Other
Eligibility
50 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Mobile, Semi-automated Text Message-based Intervention to Prevent Perceived Low or Insufficient Milk Supply

NCT02724969
View directory record Official record
Conditions
Breast Feeding
Interventions
MILK or Text4Baby text message intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older · Female only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation of Adherence to Topical Agents: Applying Communication Technology to Improve Sunscreen Use

NCT00535769
View directory record Official record
Conditions
Skin Cancer
Interventions
Electronic + no text message, Electronic monitor + text messages
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2012 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional

Increasing Screening for Cancer Using EHR-Nudges Replication

NCT06995703
View directory record Official record
Conditions
Breast Cancer
Interventions
Pre-Visit Patient Text Message, Post-Visit Patient Text Messages, Smart Data Element (SDE)
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
40 Years to 74 Years · Female only
Enrollment
8,490 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 17, 2026, 11:20 PM EDT
Recruiting No phase listed Observational

Health Opportunities and Promoters of Equitable Screening for Lung Cancer

NCT05784922
View directory record Official record
Conditions
Lung Cancer, Smoking Behaviors, Diagnosis
Interventions
Educational Lung Cancer Screening (LCS) Video
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years to 80 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional

Interactive Care Coordination and Navigation:RCT To Assess the Impact of a mHealth Intervention for Homeless Individuals

NCT05365867
View directory record Official record
Conditions
Number of Emergency Department and Hospital Visits Among Adults Experiencing Homelessness, Medication Adherence, Social Support, Pyschological Distress, Attainment of Social Needs (i.e., Housing, Employment, Receipt of Benefits)
Interventions
iCAN Group
Behavioral
Lead sponsor
Leticia R. Moczygemba
Other
Eligibility
18 Years to 89 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
3
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 17, 2026, 11:20 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Taxi STEP (Social Networks, Technology, and Exercise Through Pedometers)

NCT03010163
View directory record Official record
Conditions
Physical Conditioning
Interventions
Health Fair, Pedometer, Text Messaging, Social Network Support
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years and older · Male only
Enrollment
290 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Cell Phone Use While Driving Among High Risk UBI Auto Policy Holders

NCT04587609
View directory record Official record
Conditions
Distracted Driving, Driving Impaired
Interventions
Free Phone Mounts, Commitment Contract, Personalized Habit Tips, Social Gamification Feedback, "Contest" Financial Incentives
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
1,668 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 2, 2021 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional

Bemobile Intervention to Support Physical Activity in Cancer Survivors

NCT02824861
View directory record Official record
Conditions
Cancer
Interventions
Bemobile
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
22 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional Results available

mDiet - Ecological Momentary Intervention of Diet Via Mobile Technology

NCT00415870
View directory record Official record
Conditions
Overweight
Interventions
Printed Material, Weekly Weighing, Cell phone will serve as a self monitoring device, Text Message, Diet Goals via Cell Phone, Food Monitoring
Behavioral · Device
Lead sponsor
University of California, San Diego
Other
Eligibility
25 Years to 55 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

In-Home Technology for Caregivers of People With Dementia and Mild Cognitive Impairment

NCT04206670
View directory record Official record
Conditions
Dementia, Mild Cognitive Impairment, Alzheimer Disease
Interventions
In-Home Technology System and Questionnaires, Waiting Control In-Home Technology System and Questionnaires
Device
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated May 10, 2022 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional Results available

Cell Phone Support to Promote Medication Adherence Among Adolescents and Young Adults With Chronic Illness

NCT04241627
View directory record Official record
Conditions
Medication Adherence
Interventions
Cell Phone Support
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
15 Years to 21 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional

Health4Kids Intervention Trial for Hispanic Families

NCT02343367
View directory record Official record
Conditions
Pediatric Obesity
Interventions
behavioral counseling, Education Materials, Face to face counseling session, Text messages, Telephone Counseling, Newsletters
Behavioral · Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
6 Years to 11 Years
Enrollment
518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 21, 2020 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional

Goals for Reaching Optimum Wellness (GROWell)

NCT02904473
View directory record Official record
Conditions
Pregnant Women
Interventions
GROWell
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 15, 2019 · Synced Oct 17, 2026, 11:20 PM EDT
Completed Not applicable Interventional

PACE-iDP: An Intervention for Youth at Risk for Diabetes

NCT00412165
View directory record Official record
Conditions
Obesity, Overweight, Diabetes
Interventions
Cell Phone, Weekly access to interactive web site, Group
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
12 Years to 16 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 16, 2012 · Synced Oct 17, 2026, 11:20 PM EDT