Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 6, 2026, 6:30 PM EDT

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Showing 1–24 of 415 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Fever
Interventions
text message surveillance for fever
Other
Lead sponsor
Columbia University
Other
Eligibility
24 Months to 59 Months
Enrollment
656 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Atlanta, Georgia • New York, New York
Completed Not applicable Interventional Results available

Texting to Improve Adherence in HIV+ With Bipolar Disorder

NCT02090634
Conditions
HIV Disease, Bipolar Disorder
Interventions
Psychoeducation, individualized Texting for Adherence Building (iTAB)
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
San Diego, California
Conditions
Cystic Fibrosis, Inflammatory Bowel Disease, Type 1 Diabetes, Chronic Disease Management
Interventions
MD2ME
Behavioral
Lead sponsor
Huang, Jeannie, M.D.
Individual
Eligibility
14 Years to 22 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
La Jolla, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Text- and Audio-based Intervention to Promote Physical Activity in Midlife

NCT06172933
Conditions
Middle Aged
Interventions
Move with Meaning
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years to 64 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
VC-OPTIONS
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Bedford, Massachusetts • Boston, Massachusetts
Conditions
Well Child Visit, Gaps in Care
Interventions
Automated SMS, Automated SMS + Conversational AI Scheduling Assistance, Traditional Passive Outreach
Behavioral · Other
Lead sponsor
Waymark
Industry
Eligibility
0 Years to 21 Years
Enrollment
2,821 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
Physical Activity, Motor Activity
Interventions
Motivational text messaging
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
60 Years to 85 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

txt2protect: Using Text Messaging to Increase HPV Vaccination Among Young Sexual Minority Men

NCT02994108
Conditions
Human Papillomavirus
Interventions
txt2protect, Sexual Health Control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Family Relations, Marriage
Interventions
Behavioral Text Messages
Behavioral
Lead sponsor
Mathematica Policy Research, Inc.
Other
Eligibility
Not listed
Enrollment
1,904 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Usability Study of a Smoking Cessation Intervention During a Dental Cleaning

NCT04247061
Conditions
Smoking, Cessation
Interventions
Educational video, Text-message program
Other
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Influenza Vaccination
Interventions
Text Messages
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
7,250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
New York, New York
Conditions
Diet Habit, Sugar-Sweetened Beverages
Interventions
iSIPsmarter, Patient Education (PE)
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 110 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Completed Not applicable Interventional Accepts healthy volunteers

Examining a Text Message Intervention for Smoking Cessation

NCT01166464
Conditions
Tobacco Use Disorder, Nicotine Dependence
Interventions
text messaging for smoking cessation, Generic text messages
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Not applicable Interventional Accepts healthy volunteers

Text-based Interventions to Promote COVID-19 Vaccinations

NCT04800965
Conditions
Covid19, Vaccines
Interventions
Patient MyChart Scheduling Link, Patient Educational Video, Enhanced Follow through Message
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Westwood, Los Angeles, California
Conditions
HIV, Adherence, Retention
Interventions
Text messaging
Other
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
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
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Text Intervention to Facilitate Secure Storage and Disposal of Prescription Opioids

NCT05503186
Conditions
Opioid Misuse
Interventions
Text Message, Standard of Care
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
479 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
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
Conditions
Opioid Use Disorder (OUD), Chronic Pain
Interventions
Mindfulness text messages
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Albuquerque, New Mexico
Conditions
Hypertension
Interventions
Experimental: Pharmacist-Bidirectional Texting Group, Active Comparator: Control Group
Other
Lead sponsor
Linnea Polgreen
Other
Eligibility
21 Years to 100 Years
Enrollment
535 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Not applicable Interventional Accepts healthy volunteers

Adolescent Self-Care and Knowledge Education in Diabetes--Improved by Texting

NCT03241212
Conditions
Type 1 Diabetes Mellitus
Interventions
Texting
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
15 Years to 21 Years
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Aurora, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

SMART: A Social and Mobile Weight Control Program for Young Adults

NCT01200459
Conditions
Obesity
Interventions
Social/mobile weight loss promotion intervention.
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 35 Years
Enrollment
404 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
La Jolla, California
Conditions
Overweight, Weight Loss
Interventions
mDiet
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 60 Years
Enrollment
318 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
La Jolla, California