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ClinicalTrials.gov public records Last synced Jun 10, 2026, 10:54 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Ethnic Dance and Screen Time Reduction to Prevent Weight Gain in Latina Girls

NCT00476775
Conditions
Obesity, Overweight, Excessive Weight Gain
Interventions
after school ethnic dance program - ballet folklorica, culturally-tailored, home-based screen time reduction, culturally-tailored health and nutrition education
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
7 Years to 9 Years · Female only
Enrollment
233 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Stanford, California
Not listed Not applicable Interventional Accepts healthy volunteers

Lutein Supplementation in Healthy Children

NCT05314647
Conditions
Eye Fatigue, Diet, Healthy, Cognitive Change
Interventions
lutein, placebo
Dietary Supplement
Lead sponsor
Northcentral University
Other
Eligibility
8 Years to 16 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Des Moines, Iowa
Completed Not applicable Interventional

Concussion Screen Use Recovery Time

NCT05373992
Conditions
Sport-related Concussion
Interventions
Screen Time Restriction (ST-Restricted), Aerobic Exercise (AE), Screen-time restricted plus aerobic exercise (STR+AE), Stretching Only
Behavioral
Lead sponsor
Children's Health
Other
Eligibility
12 Years to 17 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Plano, Texas
Recruiting Not applicable Interventional Accepts healthy volunteers

Balancing Emotions and Electronics: A Pilot Intervention for Preschoolers

NCT07394166
Conditions
Screen Media Use
Interventions
Brief-RSU
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
30 Months to 54 Months
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Reactions to Social Media Warning Labels Among Teens and Young Adults

NCT07199660
Conditions
Screen Time Exposure
Interventions
Human-developed negative body image warning, Voluntary warning, Human-developed depression and anxiety warning, Human-developed addiction warning, Human-developed sleep warning, Human-developed mental health harms to young people warning, Human-developed warning that social media has not been proven safe, Control message, California's proposed social media warning, Artificial-intelligence-developed depression and anxiety warning, Artificial-intelligence-developed negative body image warning, Artificial-intelligence-developed addiction warning, Artificial-intelligence-developed sleep warning, Artificial-intelligence-developed mental health harms to young people warning, Artificial-intelligence-developed warning that social media has not been proven safe
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
13 Years to 29 Years
Enrollment
1,012 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Palo Alto, California
Completed Early Phase 1 Interventional Accepts healthy volunteers

Healthy Futures Project: A Community Based Obesity Prevention Program

NCT00685555
Conditions
Overweight, Obesity
Interventions
Switch active lifestyles brought to you by MediaWise, Switch active lifestyles from MediaWise
Behavioral
Lead sponsor
National Institute on Media and the Family
Other
Eligibility
8 Years to 13 Years
Enrollment
1,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Minneapolis, Minnesota
Withdrawn Not applicable Interventional Accepts healthy volunteers

Home-Based Exergaming Intervention

NCT04540523
Conditions
Physical Activity, Health-related Fitness, Cognition, Screen Time
Interventions
Exergaming intervention group, Traditional physical activity comparison
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
4 Years to 5 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Eating Behavior
Interventions
Multi-Component eHealth Intervention, namely Healthy Online Parental Education (HOPE)
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Lubbock, Texas
Conditions
Colorectal Carcinoma
Interventions
Best Practice, Medical Chart Review, Online Mindfulness Meditation, Survey Administration
Other · Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
45 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Reducing Television Viewing to Prevent Childhood Obesity

NCT00185770
Conditions
Obesity, Cardiovascular Diseases
Interventions
Reducing television and other screen time (SMART curriculum)
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
0 Years and older
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1999
U.S. locations
1
States / cities
Stanford, California
Completed No phase listed Observational Accepts healthy volunteers Results available

Physical Activity and Screen-Time Regulations in Childcare Centers - Aim 2

NCT02751814
Conditions
Childhood Obesity
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
3 Years to 4 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Preventative Health
Interventions
Scheduling and Active Choice for Biometric Participation
Other
Lead sponsor
National Bureau of Economic Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
11,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
St Louis, Missouri
Completed Phase 3 Interventional Accepts healthy volunteers

Babesia Testing in Blood Donors

NCT01528449
Conditions
Transfusion Transmitted Babesiosis
Interventions
B.microti diagnostic blood tests
Biological
Lead sponsor
Imugen
Industry
Eligibility
16 Years and older
Enrollment
90,116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Norwood, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Colonoscopy Screening: Setting Epic Follow-up Times

NCT05631873
Conditions
Concordance Between Colonoscopy Follow up Interval Noted in Patient Letters vs. Electronic Health Record Chart, Colorectal Cancer
Interventions
Assistance with implementing Epic Smartlist
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional Accepts healthy volunteers

A Mobile App to Improve 24-Hour Movement Guideline Adherence in Preschoolers

NCT06667661
Conditions
Healthy, 24-Hour Movement Guidelines, Feasibility Studies, Sleep, Physical Activity, Screen Time, Sedentary Behaviors, Motor Skills, Cognition, Parent-Child Relations, Mobile Application, Health Education, Child Development
Interventions
Shining Star mHealth App
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
3 Years to 4 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Kansas City, Kansas
Completed Not applicable Interventional Accepts healthy volunteers Results available

StandUPTV: Reducing Sedentary Screen Time in Adults

NCT04464993
Conditions
Sedentary Behavior, Screen Time, Physical Activity, Sleep
Interventions
Device-based feedback, self-monitoring, and education: CORE, Sedentary Screen Time lockout: LOCKOUT, Context-based prompts: TEXT, Earn sedentary screen time through moderate-vigorous physical activity: EARN
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
23 Years to 64 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Tempe, Arizona • San Luis Obispo, California
Conditions
Osteogenesis Imperfecta
Interventions
Denosumab
Drug
Lead sponsor
Amgen
Industry
Eligibility
2 Years to 17 Years
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
13
States / cities
Los Angeles, California • Torrance, California • Aurora, Colorado + 10 more
Conditions
Lung Cancer Screening
Interventions
Text messaging program, Educational material
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
50 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Rochester, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Study of Real Time Colorectal Polyp Diagnosis During Colonoscopy - the VALID Colonoscopy Study

NCT01288833
Conditions
Colorectal Neoplasm, Colonic Polyps
Interventions
Close focus HD NBI Colonoscopy System
Device
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
18 Years and older
Enrollment
558 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
2
States / cities
Palo Alto, California • Kansas City, Missouri
Conditions
Diabetes Mellitus, Type 2
Interventions
Not listed
Lead sponsor
Woman's
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Literacy, Parent-Child Relations, Language Development
Interventions
Reading Bees app and children's book to enhance parent-infant reading quality (0-2 month visit), Reading Bees app and children's book to encourage alternatives to digital media (6-month visit)
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
0 Months to 2 Months
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Participation in Nurse Visits
Interventions
The Effect of Active Choice on Nurse Visit Participation
Behavioral
Lead sponsor
National Bureau of Economic Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
3,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Las Vegas, Nevada
Conditions
Sedentary Time, Cardiovascular Diseases, Prediabetes, Obesity
Interventions
Blue light, Eating, Standing
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
26 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tempe, Arizona
Conditions
Infertility
Interventions
Not listed
Lead sponsor
Progyny, Inc.
Industry
Eligibility
Up to 43 Years · Female only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Morristown, New Jersey • New York, New York