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ClinicalTrials.gov public records Last synced May 21, 2026, 5:31 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 32 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mobile Phone Use Clear all
Completed Not applicable Interventional
View directory record Official record
Conditions
Substance Use Disorder (SUD), Recovery
Interventions
EMA Only, EMI Only, EMA+EMI, Neither - RSAU
Other
Lead sponsor
Chestnut Health Systems
Other
Eligibility
18 Years and older
Enrollment
401 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
3
States / cities
Chicago, Illinois • Normal, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced May 21, 2026, 5:31 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Cerebral Palsy, Mobile Phone Use, Pediatric ALL, Physical Disability, Physical Inactivity
Interventions
Augment Reality Exergames
Device
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
5 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 19, 2025 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
HIV, Opioid Abuse
Interventions
Standard Care, Text Messaging CBT (TXT-CBT)
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 28, 2022 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Mobile Phone Use, Hiv, Stigma, Social
Interventions
in-the-kNOW mobile app, Control
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Nicotine Addiction, Drug Addiction, Drug Dependence, Substance Use Disorder, Tobacco Dependence
Interventions
Mobile Smoking Cessation Solution
Device
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced May 21, 2026, 5:31 PM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Anxiety, Depression, Health Knowledge, Attitudes, Practice, Stigmatization, Mobile Phone Use
Interventions
Video Intervention 1, Video Intervention 2, Video Intervention 3
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced May 21, 2026, 5:31 PM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Chronic Pain
Interventions
Electronic Diary, Questionnaire
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced May 21, 2026, 5:31 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cell Phone Use, Automobile Driving
Interventions
Commercial Cellphone-Blocking App (Active), Driving Mode
Behavioral
Lead sponsor
Motao Zhu
Other
Eligibility
18 Years to 24 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Alcohol-Related Disorders, Alcohol Use Disorders, Alcohol Drinking, Alcoholism, Alcohol Abuse
Interventions
Adaptive Tailored Intervention, Consequence-based Intervention, Tailored, not adaptive, based Intervention, Assessment only
Behavioral · Other
Lead sponsor
Northwell Health
Other
Eligibility
21 Years to 65 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Great Neck, New York
Source: ClinicalTrials.gov public record
Updated Oct 12, 2016 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Smokeless Tobacco Cessation
Interventions
Scheduled Gradual Reduction (SGR), Text Messages
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 1, 2021 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pregnancy Related, Adolescent Obesity, Behavior, Health, Behavior, Sedentary, Adolescent Overweight, Mobile Phone Use, Pregnancy in Adolescence
Interventions
#BabyLetsMove
Behavioral
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
15 Years to 19 Years · Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Aug 7, 2022 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Alcohol; Use, Problem
Interventions
Experimental: Mobile Alcohol Expectancy Intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 25 Years
Enrollment
408 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced May 21, 2026, 5:31 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Youth Drinking, Alcohol Drinking
Interventions
Mobile-delivered personalized feedback
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 29 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hepatitis C, Substance Use Disorders
Interventions
Virtual Care Coordination
Behavioral
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
Motivational Text Messages, Control
Behavioral
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years and older
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
HIV Infections, Alcohol Dependence
Interventions
Informational group, Text Messaging CBT (TXT-CBT)
Other · Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 28, 2022 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Culturally Tailored Text Messages
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years and older
Enrollment
346 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Alcohol Use Disorder, Family Members, Behavior, Addictive
Interventions
PartnerCHESS, ACHESS
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smoking Cessation
Interventions
Personalization, Integration, Dynamic Tailoring, Message Intensity, Optimal-Adherence Text
Behavioral
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years and older
Enrollment
1,485 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Distracted Driving
Interventions
Intervention Bluetooth, Intervention non-Bluetooth, Control Bluetooth, Control non-Bluetooth
Other
Lead sponsor
Minnesota HealthSolutions
Industry
Eligibility
16 Years to 75 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 5, 2025 · Synced May 21, 2026, 5:31 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Mobile Phone Use, Mother-Infant Interaction, Infant Development, Self-Regulation, Emotion, Self-Regulation
Interventions
Technology Use during Feeding Conditions
Behavioral
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
Not listed
Enrollment
345 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
San Luis Obispo, California
Source: ClinicalTrials.gov public record
Updated Feb 23, 2025 · Synced May 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced May 21, 2026, 5:31 PM EDT