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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:36 AM EDT

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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Mobile Phone Use Clear all
Completed Not applicable Interventional Accepts healthy volunteers

American Indians STOp Smoking by Mobile Phone

NCT03168451
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 12, 2018 · Synced Oct 21, 2026, 10:36 AM EDT
Active, not recruiting Not applicable Interventional

Stand Down-Think Before You Drink: An RCT of a Mobile App for Hazardous Drinking With Peer Phone Support

NCT05473598
View directory record Official record
Conditions
Alcoholism
Interventions
Stand Down app, Peer-Supported Stand Down, Usual Care
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Palo Alto, California • Syracuse, New York
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional Results available

Clinical Trial of Smoking Cessation Mobile Phone Program

NCT02656745
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 14, 2018 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Alcohol Feedback, Reflection and Morning Evaluation

NCT05509218
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 Jun 16, 2026 · Synced Oct 21, 2026, 10:36 AM EDT
Active, not recruiting Not applicable Interventional

Mobile Mental Health Stigma Reduction Intervention Among Black Adults

NCT06316804
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 Aug 11, 2026 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT04261985
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 16, 2024 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional

Pilot Study of the Pragmatic Use of Mobile Phone Based Follow up of Actinic Keratoses Treated With Topical 5-fluorouracil

NCT02938715
View directory record Official record
Conditions
Actinic Keratosis
Interventions
teledermatology feedback
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional

Using Smartphones to Provide Recovery Support Services

NCT02132481
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 28, 2021 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional Results available

Family-focused vs. Drinker-focused Smartphone Interventions to Reduce Drinking-related Consequences of COVID-19

NCT05419128
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 19, 2026 · Synced Oct 21, 2026, 10:36 AM 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 21, 2026, 10:36 AM EDT
Terminated No phase listed Observational

Mobile Phone Technology for Chronic Pain Patients- A Feasibility Study

NCT02447107
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 6, 2017 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional

Addressing Tobacco Use Disparities Through an Innovative Mobile Phone Intervention

NCT02613689
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 16, 2019 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

#BabyLetsMove Physical Activity Feasibility Trial

NCT04628065
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 8, 2022 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Addressing Tobacco Use Disparities in Rural Older Adults Through an Innovative Mobile Phone Intervention

NCT02510716
View directory record Official record
Conditions
Tobacco Cessation
Interventions
SGR, Support message only
Behavioral
Lead sponsor
Duke University
Other
Eligibility
60 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 21, 2016 · Synced Oct 21, 2026, 10:36 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Randomized Trial on Mobile Technology and Young Drivers' Cellphone Use

NCT05163119
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 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 21, 2026, 10:36 AM EDT
Active, not recruiting Phase 2 Interventional

ChatBot and Activity Monitoring in Patients Undergoing Chemoradiotherapy

NCT05318027
View directory record Official record
Conditions
Lung Cancer, Gastrointestinal Cancer, Head and Neck Cancer
Interventions
ChatBot
Device
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 21, 2026, 10:36 AM EDT
Recruiting Not applicable Interventional

Using Augmented Reality to Promote Physical Activity in Children With Cerebral Palsy

NCT06096272
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 20, 2025 · Synced Oct 21, 2026, 10:36 AM EDT
Terminated Early Phase 1 Interventional Results available

C-STRESS: A Mental Health App for College Students With Depression

NCT05776901
View directory record Official record
Conditions
Depression, Anxiety, Stress, Psychological, Mobile Phone Use
Interventions
C-STRESS
Device
Lead sponsor
Benten Technologies, Inc.
Industry
Eligibility
18 Years to 30 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Sep 15, 2023 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Alcohol & Mobile Phone Study to Reduce High-risk Alcohol Use and Consequences

NCT04213846
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 26, 2024 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tailored Mobile Text Messaging to Reduce Problem Drinking

NCT01885312
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 13, 2016 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Text Messaging to Improve Adherence to Web-Based Cessation Treatment

NCT02585206
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 Oct 5, 2026 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional

Cell Phone Technology Targeting ART and Naltrexone Adherence and Alcohol Use

NCT02603471
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 29, 2022 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Eliminating HCV in Rural South Carolina Utilizing NP Led Mobile Clinics and Virtual Care Coordination

NCT05369507
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 19, 2024 · Synced Oct 21, 2026, 10:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing Distracted Driving Phase II

NCT05608018
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 6, 2025 · Synced Oct 21, 2026, 10:36 AM EDT