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Showing 433–456 of 633 matching trials from the live ClinicalTrials.gov search.
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

#TranscendentHealth: A Text Messaging Pregnancy Prevention Program for Transgender Boys

NCT07681908
Conditions
Pregnancy (Unwanted), Sexually Transmitted Disease (STD), HIV Infection, Sexual Behavior
Interventions
#TranscendentHealth, Universal Sexual Health Program
Behavioral
Lead sponsor
Center for Innovative Public Health Research
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
467 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Clemente, California
Conditions
Human Immunodeficiency Virus (HIV), Smoking Cessation
Interventions
Motivational Interviewing (MI) Counseling, Peer Mentoring, Skills-based Text Messaging, Combination NRT
Behavioral · Drug
Lead sponsor
New York University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New York, New York
Not yet recruiting Not applicable Interventional

Adaptive Cell Phone Support (ACPS)

NCT07064824
Conditions
Medication Adherence
Interventions
Adaptive Cell Phone Support, Computer-Delivered Cell Phone Support, Automated Text Reminders
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
15 Years to 20 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Teenage Pregnancy
Interventions
Girl2Girl
Behavioral
Lead sponsor
Center for Innovative Public Health Research
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
948 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
San Clemente, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Time-restricted Eating Among Pregnant Females With Severe Obesity

NCT06477120
Conditions
Obesity, Morbid, Time Restricted Eating, Pregnancy Weight Gain
Interventions
Time Restricted Eating
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Seat Belt Wearing and Decreasing Handheld Phone Use While Driving

NCT05469477
Conditions
Distracted Driving, Impaired Driving, Driving Behaviors
Interventions
Persuasive education, WOOP (aka, mental contrasting with implementation intentions., Wish, Outcome, Obstacle, Plan), Customized Habit Tips, Raffle Financial Incentive, Shared Pot Financial Incentive, Weekly SMS Support text, Weekly SMS Encouragement
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
1,139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Breastfeeding
Interventions
Social Support Group (Facebook), Breastfeeding messages, Injury Prevention Messages
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
346 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
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
Pelvic Inflammatory Disease
Interventions
Tech-PN
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
13 Years to 25 Years · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Maintaining Behavior Change: An Evaluation of a Habit-based Sleep Health Intervention

NCT05167695
Conditions
Circadian Dysregulation
Interventions
Habit-based Sleep Health Intervention, Text messaging intervention
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years to 30 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Berkeley, California
Conditions
Latent Tuberculosis Infection
Interventions
Self Administered Therapy (SAT), SMS reminders, isoniazid and rifapentine
Behavioral · Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
1,002 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
9
States / cities
San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 5 more
Conditions
Type 1 Diabetes
Interventions
NUDGE
Other
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
13 Years to 21 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Kansas City, Missouri
Completed Not applicable Interventional Accepts healthy volunteers Results available

Optimizing an mHealth Intervention to Change Food Purchasing Behaviors for Cancer Prevention

NCT04947150
Conditions
Cancer
Interventions
Location-triggered notification, Reflections on benefits of change, Coach monitoring, Household support
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 70 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Mild Dementia
Interventions
ACTIVE Intervention
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Conditions
Hypertension
Interventions
ENACTS
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Computer-Mediated Versus Face-to-Face Motivational-Type Interviews

NCT06945471
Conditions
Marijuana Use
Interventions
1) Face-to-face, and 2) Computer-mediated motivational type interviews
Behavioral
Lead sponsor
University of Texas, El Paso
Other
Eligibility
18 Years to 29 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
El Paso, Texas
Conditions
Behavior, Risk
Interventions
Alcohol and Breast Cancer Risk Messages, Skin Cancer Risk Messages
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

An Interactive Patient-Centered Consent for Research Using Medical Records

NCT03063268
Conditions
Attitude to Computers, Attitude of Health Personnel, Researcher-Subject Relations, Trust, Communication Research
Interventions
Trust-Enhanced Messaging on E-Consent, Interactive features on E-Consent, Standard E-Consent
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
734 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
HIV Prevention
Interventions
Text Messaging, Adherence Counseling, Daily Oral PrEP
Behavioral · Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Female only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
5
States / cities
Los Angeles, California • San Diego, California
Withdrawn Not applicable Interventional

Text Messaging Follow-up From ED

NCT03370978
Conditions
Text Messaging
Interventions
Text Messaging
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Alcohol Use, Alcohol Drinking, Drinking Behavior
Interventions
Smartphone breathalyzer device/app use, BAC estimator app use, Text messaging procedure
Device
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 25 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Cancer Survivorship
Interventions
Live Virtual Coaching
Behavioral
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 39 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Nutley, New Jersey
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tobacco Treatment in the Context of Lung Cancer Screening

NCT03927989
Conditions
Smoking Cessation
Interventions
Text messaging plus nicotine replacement therapy, Standard Care at Lung Cancer Screening
Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
55 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Cardiac Rehabilitation, Nutrition, Healthy, Nutrition Poor
Interventions
Usual Care, Navigation, Text Messaging
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California