Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 11, 2026, 4:25 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 150 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Prostate Cancer
Interventions
Prolonged Nightly Fasting (PNF+), Healthy Diet Text Messaging
Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Schizoaffective Disorder, Schizophrenia, Bipolar Disorder, Major Depressive Disorder
Interventions
Mobile Interventionist
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 99 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • Spokane, Washington
Conditions
Depression, Suicidal Ideation
Interventions
Text2Connect, Psychoeducational Videos (PE) Only
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
McMurray, Pennsylvania • Pittsburgh, Pennsylvania
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
Completed Not applicable Interventional Accepts healthy volunteers

Text Message and Competition-Based Interventions Among University Students

NCT06246812
Conditions
Physical Inactivity
Interventions
Deans' Fit Family Challenge, Text message
Behavioral
Lead sponsor
Auburn University
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Auburn, Alabama
Completed Phase 1 Interventional Results available

Text Messaging to Increase Activity in Midlife

NCT04849052
Conditions
Middle Aged
Interventions
MASTERY, Attentional Control
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years to 64 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
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
Conditions
Amphetamine-Related Disorders
Interventions
CBT- based SMS text messaging intervention, CBT group therapy
Behavioral
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
2
States / cities
Lafayette, California • San Francisco, California
Conditions
Number of Quit Attempts
Interventions
Self-affirmation induction
Behavioral
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
7,899 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Text Message Intervention for Alcohol Use and Sexual Violence in College Students

NCT05065918
Conditions
Alcohol Use, Unspecified, Sexual Violence, Sexual Assault
Interventions
sexual violence and alcohol use harm reduction text message content, alcohol use reduction content
Behavioral
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 24 Years
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Little Rock, Arkansas
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Walking Intervention Through Text Messaging

NCT02053259
Conditions
Physical Activity, Behavior, Overweight, Motor Activity
Interventions
Adaptive Goals, Reinforcement, Static Goals
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 60 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
HIV, AIDS
Interventions
individualized Texting for Adherence Building (iTAB), Psychoeducation
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
San Diego, California
Conditions
Bowel Cancer, Colon Cancer
Interventions
Serial text messages and mailed FIT kit
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years to 74 Years
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Smoking Cessation
Interventions
Treatment As Usual (TAU), Nicotine Replacement Therapies, Text Message Intervention (TMI)
Other · Drug · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

SMART 2.0: Social Mobile Approaches to Reducing weighT in Young Adults

NCT03907462
Conditions
Overweight and Obesity
Interventions
SMART 2.0
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 35 Years
Enrollment
638 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
La Jolla, California
Conditions
Spinal Cord Injuries (SCI)
Interventions
Secondary Health Conditions (SHC) text message group, Motivational text message group
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Diabetes Mellitus, Chronic Disease
Interventions
Text Messaging (TM), Health Coaching (HC), Enhanced Usual Care (EC)
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years and older
Enrollment
646 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
19
States / cities
Holly Springs, Mississippi • Bartlett, Tennessee • Covington, Tennessee + 2 more
Conditions
Cannabis Use
Interventions
Brief Motivational Mobile Health (mHealth) Intervention, Psychoeducational Attention Control (AC)
Behavioral · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 29 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Health Behavior, Obesity
Interventions
SMS Text Messages & Fitbit One, Fitbit One Only
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 69 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
La Jolla, California
Conditions
Current Smoker, Tobacco Smoking, Tobacco Use
Interventions
Ask-Advise-Connect (AAC), Text Messaging (TM), Motivation And Problem-Solving (MAPS), Quitline
Other · Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
12,009 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Type II Diabetes Mellitus
Interventions
Participation in Care4Life
Other
Lead sponsor
HealthInsight
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
30
States / cities
Coalville, Utah • Draper, Utah • Holladay, Utah + 11 more
Conditions
Heart Failure
Interventions
iCardia4HF, Usual Care
Behavioral · Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Heart Failure
Interventions
TEXT4HF
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
50 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Indoor Tanning
Interventions
Mobile text messaging intervention
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia