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ClinicalTrials.gov public records Last synced Nov 11, 2026, 2:11 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 145–168 of 236 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Text Message prompts Clear all

Conditions: Alcohol Exposed Pregnancy, Unplanned Pregnancy, Alcohol Use, Unspecified, Contraception Use, Sexual Behavior
Interventions: CARRII Native Rapid Pilot Testing; Behavioral
Lead sponsor: University of Virginia; Other
Eligibility: 18 Years to 44 Years · Female only
Enrollment: 407 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2026
U.S. locations: 1
States / cities: Charlottesville, Virginia

Conditions: Alcohol Use, Alcohol Drinking, Drinking Behavior
Interventions: Alcohol-related mobile health technologies, Motivational interview and psychoeducation on blood/breath alcohol concentration, Lower tech facilitation, Higher tech facilitation, Alcohol Education, Alcohol Education Technology; Device · Behavioral
Lead sponsor: Northeastern University; Other
Eligibility: 18 Years to 25 Years
Enrollment: 90 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2027
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Childhood Obesity, Parenting, Mobile Phone Use
Interventions: healthy weight behaviors supported by web-based mobile phone application; Behavioral
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 2 Years and older
Enrollment: 59 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2021
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Health Maintenance, Diabetes, Cancer
Interventions: Outreach Text Messages, Specific, General, Elevating Intentions, Prompting Action; Behavioral
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 18 Years and older
Enrollment: 40,912 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: Los Angeles, California

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

Conditions: ARDS, Sepsis, Pneumonia
Interventions: Blood collection, Urine Collection, Nasal, oral, and rectal swabs, Stool collection, Heat Moisture Exchange Filter collection, Tracheal Aspirate sample collection, Non-bronchoscopic bronchoalveolar lavage (NBBAL), Surveys, Short physical performance battery, Hand grip strength, CNS Vital Signs, Muscle Ultrasound, Muscle Strength, Spirometry, Lung Diffusion Testing (DLCO), Chest CT Scan; Other · Procedure · Radiation
Lead sponsor: Vanderbilt University Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 4,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2029
U.S. locations: 20
States / cities: Fresno, California • Palo Alto, California • San Francisco, California + 12 more

Conditions: Breast Cancer
Interventions: Habit development intervention; Behavioral
Lead sponsor: Barbara Ann Karmanos Cancer Institute; Other
Eligibility: 40 Years and older · Female only
Enrollment: 7 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: Detroit, Michigan

Conditions: Cardiovascular Risk Factor
Interventions: Short Message with Text and Optional Image; Behavioral
Lead sponsor: Penn State University; Other
Eligibility: 18 Years to 29 Years
Enrollment: 82 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: University Park, Pennsylvania

Conditions: Stroke, Exercise, Sedentary Lifestyle, Ischemic Attack, Transient
Interventions: mHealth-Enhance Physical Activity Intervention, Physical Activity Intervention; Behavioral · Other
Lead sponsor: The Miriam Hospital; Other
Eligibility: 21 Years to 75 Years
Enrollment: 70 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2019
U.S. locations: 1
States / cities: Providence, Rhode Island

Conditions: Spina Bifida, Cerebral Palsy
Interventions: RL-adaptive application; Device
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years to 99 Years
Enrollment: 6 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2018
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Mental Health, Anxiety, Depression, Well-Being, Psychological
Interventions: Catalina, Control webpage; Behavioral
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 18 Years and older · Female only
Enrollment: 700 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2028
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Non-small Cell Lung Cancer
Interventions: a novel mobile phone-based intervention for automated electronic PRO collection; Other
Lead sponsor: Abramson Cancer Center at Penn Medicine; Other
Eligibility: 18 Years and older
Enrollment: 25 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2019
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Obesity & Overweight, Obesity (Disorder)
Interventions: Feedback on Calorie Goal Attainment, Feedback on Dietary Quality, Feedback on Physical Activity Goal Attainment, Goal Setting Prompt; Behavioral
Lead sponsor: Wake Forest University Health Sciences; Other
Eligibility: 18 Years and older
Enrollment: 300 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Milwaukee, Wisconsin

Conditions: Covid19
Interventions: pulse oximeter, COVID Watch; Device · Other
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years and older
Enrollment: 2,097 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2022
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Infertility
Interventions: Fast Track to Fertility Algorithmic Text Messaging Platform; Other
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years and older · Female only
Enrollment: 162 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Acne Vulgaris
Interventions: Adapalene, frequent visits, electronic reminder, Parent reminder, Standard of care; Drug · Behavioral
Lead sponsor: Wake Forest University; Other
Eligibility: 13 Years to 18 Years
Enrollment: 61 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2009
U.S. locations: 1
States / cities: Winston-Salem, North Carolina

Conditions: Cancer
Interventions: Usual Care, Clinician Nudge, Patient Nudge; Other
Lead sponsor: Abramson Cancer Center at Penn Medicine; Other
Eligibility: 18 Years and older
Enrollment: 4,450 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2022
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Cardiac Disease, Pulmonary Disease, Cardiopulmonary Disease
Interventions: Usual Care, Movn application (MVN); Behavioral
Lead sponsor: NYU Langone Health; Other
Eligibility: 18 Years to 75 Years
Enrollment: 67 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2018
U.S. locations: 1
States / cities: New York, New York

Conditions: Lower-Limb Amputation
Interventions: Exercise self-management, Attention control; Behavioral
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 40 Years to 89 Years
Enrollment: 95 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2026
U.S. locations: 1
States / cities: Aurora, Colorado

Conditions: Cigarette Smoking-Related Carcinoma
Interventions: Smartphone App-delivered Smoking Cessation Intervention, Health Promotion and Education, Biospecimen Collection, Questionnaire Administration; Behavioral · Other
Lead sponsor: Fred Hutchinson Cancer Center; Other
Eligibility: 18 Years to 30 Years
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Self Harm, Suicidal Ideation
Interventions: tVNS Program, Phone App Program, tVNS and Phone App Program, Sham tNVS and Control App; Device · Other · Combination Product
Lead sponsor: University of Notre Dame; Other
Eligibility: 13 Years to 17 Years
Enrollment: 200 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2027
U.S. locations: 2
States / cities: South Bend, Indiana • Rochester, New York

Conditions: Endometrial Cancer, Cancer of the Endometrium
Interventions: ScaleDown, Enhanced Usual Care Packets, 12-Item Short Form Health Survey, International Physical Activity Questionnaire short form, Multidimensional Body Self Relations Questionnaire - Appearance Subscales, Cancer-Related Body Image Scale, Patient Health Questionnaire 9-Item Version, iOTA; Behavioral · Other
Lead sponsor: Washington University School of Medicine; Other
Eligibility: 18 Years and older · Female only
Enrollment: 155 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2019
U.S. locations: 1
States / cities: St Louis, Missouri

Conditions: Smoking Cessation
Interventions: HealthyCells; Behavioral
Lead sponsor: University of Oklahoma; Other
Eligibility: 18 Years and older
Enrollment: 30 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Oklahoma City, Oklahoma

Conditions: Pediatric Obesity
Interventions: Physical Activity, Evidence-based information on healthy family routines; Other · Behavioral
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 3 Years to 7 Years
Enrollment: 48 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2015
U.S. locations: 1
States / cities: Quincy, Massachusetts

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Optimizing a Digital AEP Risk Intervention With Native Women and Communities

Multi-Component Breath Alcohol Intervention Phase 3

A Mobile Phone Based Pilot Intervention to Prevent Obesity in Latino Preschool Children

UCLA Health Patient Health Maintenance Outreach Text Message

iSIPsmarter: A Pilot RCT to Evaluate a Web-based Behavioral Intervention to Reduce Sugary Beverages Among Black Adults

The APS Phenotyping Study

Reducing Metabolic Syndrome Among Breast Cancer Survivors

Random Assignment of Intervention Messages for Developing Personalized Decision Rules to Promote Physical Activity

The Stroke and Exercise Program

Medication Management Among Individuals With Neurodevelopmental Disabilities

RCT for Latina Mental Health Using Web-Based Apps

A Prospective Study of Electronic Symptom Reporting Via Mobile Phone Among Patients With Advanced Non-Small Cell Lung Cancer

Optimizing Self-Monitoring Feedback Delivery for the Treatment of Overweight and Obesity

COVID-19 Watch + COVID-19 Pulse

Fast Track to Fertility

Analysis of Adherence in Subjects Undergoing Differin Gel, 0.1% Treatment of Moderate to Severe Acne Vulgaris

Effect of Behavioral Nudges on Serious Illness Conversation Documentation

Cardiopulmonary Outpatient Rehabilitation Using Mobile Technology

Walking Exercise Sustainability Through Telehealth for Veterans With Lower-limb Amputation

EQQUAL-NM for the Promotion of Smoking Cessation in Sexual and Gender Minority Young Adults in New Mexico

Leverage Noninvasive Transcutaneous Vagus Nerve Stimulation to Reduce Suicidal Behaviors in Vulnerable Adolescents

Scale Down for Endometrial Cancer

A Culturally Tailored Smartphone Application for African American Smokers

Quincy Family, Youth & Technology For Lifestyle Change (FYT-4-LIFE) Study