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Showing 1–24 of 56 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Screen Time Clear all
Completed No phase listed Observational

Correlating Time-Lapse Parameters Detected by the Eeva™ System With Comprehensive Chromosome Screening Results

NCT01635049
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 13, 2015 · Synced Sep 2, 2026, 5:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Balancing Emotions and Electronics: A Pilot Intervention for Preschoolers

NCT07394166
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Sep 2, 2026, 5:40 PM EDT
Completed No phase listed Observational

To Evaluate the Impact of MRSA Nasal Screen Implementation.

NCT07748143
View directory record Official record
Conditions
MRSA
Interventions
Duration of therapy, Direct Cost, Pharmacokinectic Monitoring, Hospital stay
Other
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 2, 2026, 5:40 PM EDT
Recruiting Not applicable Interventional

Advancing Lung Cancer Screening One Text at a Time

NCT07227480
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 2, 2026, 5:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessment of the Number of Umbilical Cord Vessels at the Time of Nuchal Translucency Screening

NCT01367132
View directory record Official record
Conditions
Umbilical Cord
Interventions
Doppler ultrasound
Procedure
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 21, 2013 · Synced Sep 2, 2026, 5:40 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Healthy Futures Project: A Community Based Obesity Prevention Program

NCT00685555
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 22, 2011 · Synced Sep 2, 2026, 5:40 PM EDT
Recruiting Not applicable Interventional

Individualized Treatment Plan in Children and Young Adults With Relapsed Medulloblastoma and Ependymoma

NCT05057702
View directory record Official record
Conditions
Medulloblastoma, Medulloblastoma, Childhood, Medulloblastoma Recurrent, Ependymoma, Ependymoma Malignant, Ependymoma of Brain
Interventions
Specialized Tumor Board Treatment Plan, Combinations
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
12 Months to 39 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
9
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 2, 2026, 5:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Circadian Regulation of Sleep in Habitual Short Sleepers and Long Sleepers

NCT00001546
View directory record Official record
Conditions
Sleep Disorders
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 2, 2026, 5:40 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Lutein Supplementation in Healthy Children

NCT05314647
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Sep 2, 2026, 5:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Physical Activity and Screen-Time Regulations in Childcare Centers - Aim 1

NCT02751788
View directory record Official record
Conditions
Childhood Obesity
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
3 Years to 4 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 28, 2024 · Synced Sep 2, 2026, 5:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Online Mindfulness-Based Intervention to Decrease Pre-Procedural Anxiety Before a First-Time Screening Colonoscopy

NCT06233253
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 23, 2025 · Synced Sep 2, 2026, 5:40 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Reducing Television Viewing to Prevent Childhood Obesity

NCT00185770
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 15, 2005 · Synced Sep 2, 2026, 5:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT06667661
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Sep 2, 2026, 5:40 PM EDT
Completed Not applicable Interventional

Short, Animated Storytelling (SAS) Videos to Reduce Smartphone Addiction in the US

NCT06979856
View directory record Official record
Conditions
Smartphone Addiction
Interventions
Short animated videos, Informational Control
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 30 Years
Enrollment
6,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Sep 2, 2026, 5:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Standard Colonoscopy Versus Colonoscopy With Endocuff Vision

NCT03361917
View directory record Official record
Conditions
Colorectal Polyp, Colorectal Adenoma, Colon Cancer
Interventions
Endocuff Vision
Device
Lead sponsor
Indiana University
Other
Eligibility
40 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 5, 2019 · Synced Sep 2, 2026, 5:40 PM EDT
Completed Not applicable Interventional

The Effect of Active Choice on Nurse Visit Participation

NCT01250392
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 17, 2012 · Synced Sep 2, 2026, 5:40 PM EDT
Completed Not applicable Interventional

The Effect of Screen Time on Recovery From Concussion

NCT03564210
View directory record Official record
Conditions
Concussion, Brain
Interventions
Screen time permitted, Screen Time Abstain
Behavioral
Lead sponsor
Theodore Macnow
Other
Eligibility
12 Years to 25 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Sep 2, 2026, 5:40 PM EDT
Completed No phase listed Observational

Role of Structured Days on Weight Gain

NCT03397940
View directory record Official record
Conditions
Body Weight, Cardio-respiratory Fitness, Sleep, Nutrition Poor, Physical Activity, Screen Time
Interventions
Not listed
Lead sponsor
University of South Carolina
Other
Eligibility
5 Years to 9 Years
Enrollment
2,279 participants
Timeline
2018 – 2021
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Sep 2, 2026, 5:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Prospective Cohort Pilot Study of the Clinical and Molecular Epidemiology of Staphylococcus Aureus in Pregnant Women at the Time of Group B Streptococcal Screening in a Large Urban Medical Center in Chicago, IL USA

NCT00532324
View directory record Official record
Conditions
Staphylococcus Aureus
Interventions
CA-MRSA Decolonization
Other
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
Female only
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Sep 2, 2026, 5:40 PM EDT
Completed Not applicable Interventional

Concussion Screen Use Recovery Time

NCT05373992
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 17, 2024 · Synced Sep 2, 2026, 5:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comprehensive Postpartum Screening Strategies for Women With Gestational Diabetes Mellitus (GDM)

NCT00849849
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 17, 2014 · Synced Sep 2, 2026, 5:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessing the Variability Over Time of Tobacco Carcinogen Biomarkers in Smokers - 2

NCT00158145
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
55 Years to 74 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced Sep 2, 2026, 5:40 PM EDT
Terminated Phase 3 Interventional Results available

Multicenter,Single-arm Study to Evaluate Efficacy, Safety, & Pharmacokinetics of Denosumab in Children w/ OI

NCT02352753
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 27, 2022 · Synced Sep 2, 2026, 5:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Adapting a Parenting Intervention to Promote Healthy Screen Time Habits in Young Children With Behavior Problems

NCT05287685
View directory record Official record
Conditions
Behavior Problem, Parenting
Interventions
Screen media adapted School Readiness Parenting Program, School Readiness Parenting Program
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
54 Months to 66 Months
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Sep 2, 2026, 5:40 PM EDT