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Showing 1–24 of 240 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Children, Preschool Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Back to ECE Safely With SAGE: Reducing COVID-19 Transmission in Hispanic and Low-income Preschoolers

NCT05178290
View directory record Official record
Conditions
COVID-19 Testing, Children, Preschool, Parents, Child Development, Self-Control, Exercise, Diet, Healthy
Interventions
CHILD back-to-ECE COVID-19 saliva testing, ECE personnel back-to-ECE COVID-19 saliva screening, SAGE garden programming
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
3 Years and older
Enrollment
1,356 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Jun 10, 2026, 2:21 PM EDT
Active, not recruiting Not applicable Interventional Results available

Behavioral Parent Training for Families With Deaf and Hard of Hearing Preschoolers

NCT03916146
View directory record Official record
Conditions
Deafness, Hearing Loss, Parenting, Child Behavior
Interventions
Parent Training Intervention
Behavioral
Lead sponsor
Christina Studts
Other
Eligibility
3 Years to 99 Years
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Jun 10, 2026, 2:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Painted Playgrounds Aim 1

NCT03890913
View directory record Official record
Conditions
Childhood Obesity
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
Not listed
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety of Kinrix + (Measles Mumps Rubella) MMR Vaccine With and Without Varicella Vaccine in Healthy Children 4-6 Years

NCT00871117
View directory record Official record
Conditions
Tetanus, Acellular Pertussis, Diphtheria
Interventions
GSK Biologicals'Kinrix®, Merck and Company's MMRII, Merck and Company's Varivax
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
4 Years to 6 Years
Enrollment
478 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
11
States / cities
Antioch, California • Daly City, California • Hayward, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of an Enhanced Delivery Model for Go NAPSACC

NCT03938103
View directory record Official record
Conditions
Obesity
Interventions
Enhanced Go NAPSACC, Basic Go NAPSACC
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
364 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
2
States / cities
Lexington, Kentucky • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Childhood Hearing Loss in Rural Alaska Through a Preschool Screening and Referral Process Using Mobile Health and Telemedicine

NCT03662256
View directory record Official record
Conditions
Hearing Loss
Interventions
Current Primary Care Referral Process, Telemedicine Referral Process
Other
Lead sponsor
Norton Sound Health Corporation
Other
Eligibility
2 Years to 6 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Nome, Alaska
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety Skills Training For Parents of Preschool Children

NCT02934165
View directory record Official record
Conditions
Behavior
Interventions
Family Safety 123, AAP TIPP sheets
Behavioral
Lead sponsor
Oregon Center for Applied Science, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 13, 2016 · Synced Jun 10, 2026, 2:21 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Retrieval-Based Word Learning in Developmental Language Disorder During Book Reading II

NCT07048392
View directory record Official record
Conditions
Developmental Language Disorder and Language Impairment, Specific Language Impairment, Language Development
Interventions
Retrieval-based word learning: Repeated Spaced Retrieval condition, Retrieval-based word learning: Repeated Study condition
Behavioral
Lead sponsor
Purdue University
Other
Eligibility
48 Months to 71 Months
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced Jun 10, 2026, 2:21 PM EDT
Completed No phase listed Observational

Working Memory and School Readiness in Preschool-Aged Children With Sickle Cell Disease

NCT02227472
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Evaluation of cognitive and pre-academic skills, Parent questionnaires
Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
48 Months to 68 Months
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Children's Taste Study to Increase Vegetable Intake in Preschoolers

NCT03043118
View directory record Official record
Conditions
Pediatric Obesity
Interventions
Variety Intervention
Other
Lead sponsor
Penn State University
Other
Eligibility
3 Years to 5 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Jun 10, 2026, 2:21 PM EDT
Enrolling by invitation Not applicable Interventional

Thrive Intervention in Schools

NCT06139874
View directory record Official record
Conditions
Childhood Mental Disorder
Interventions
THRIVE, Parenting Wisely
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
3 Years to 7 Years
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional

Effects of Energy Density on Self-served Snacks in Preschool Children

NCT04971811
View directory record Official record
Conditions
Eating Behavior
Interventions
Snack with energy density less than 1.5 kcal/g, Snack with energy density greater than 1.5 kcal/g
Other
Lead sponsor
Penn State University
Other
Eligibility
4 Years to 6 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 20, 2022 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional

Advancing Child Competencies by Extending Supported Services (ACCESS) for Families Program

NCT03260816
View directory record Official record
Conditions
Developmental Delay, Disruptive Behavior
Interventions
Internet-delivered Parent-Child Interaction Therapy (I-PCIT), Referrals as Usual (RAU)
Behavioral · Other
Lead sponsor
Florida International University
Other
Eligibility
30 Months to 60 Months
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
3
States / cities
Miami, Florida • Palmetto Bay, Florida
Source: ClinicalTrials.gov public record
Updated Jun 2, 2022 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional Results available

Impact of Helmet Use in Preschool Children

NCT01054846
View directory record Official record
Conditions
Head Injuries, Facial Injuries
Interventions
Bicycle helmet from Bell Sports Inc., Bicycle helmet education only
Other
Lead sponsor
Parkview Hospital, Indiana
Other
Eligibility
3 Years to 5 Years
Enrollment
609 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 8, 2017 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Breakfast Consumption in Preschoolers: Satiety, Diet Quality and Memory

NCT02122224
View directory record Official record
Conditions
Lack of Satiety, Dietary Modification, Memory Deficits, Obesity
Interventions
High fiber breakfast, High Protein Breakfast, High Protein/High Fiber Breakfast
Other
Lead sponsor
Purdue University
Other
Eligibility
4 Years to 5 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional

Husky Reads Effectiveness in Increasing Produce Preference and Food Group Identification in Preschool Children

NCT03338257
View directory record Official record
Conditions
Childhood Obesity
Interventions
Husky Reads Intervention
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
35 Months to 71 Months
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Early Parenting Intervention Comparison

NCT01517867
View directory record Official record
Conditions
Behavior Problems, Child
Interventions
Chicago Parent Program, Parent-Child Interaction Therapy
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
2 Years to 5 Years
Enrollment
161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 2, 2018 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Norwalk Feasibility Study

NCT04048720
View directory record Official record
Conditions
Behavior Problem, Development Delay, Emotional Disturbances, Family Conflict, Relation, Mother-Child
Interventions
Family Nurture Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
24 Months to 78 Months
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Norwalk, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 8, 2020 · Synced Jun 10, 2026, 2:21 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

More Outside Your Door: a Diet/physical Activity Intervention to Decrease Risk of Obesity in Alaska Native Preschoolers

NCT06303544
View directory record Official record
Conditions
Child Obesity
Interventions
Wedge 1
Behavioral
Lead sponsor
Alaska Native Tribal Health Consortium
Other
Eligibility
3 Years to 5 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Anchorage, Alaska
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Phase 1Phase 2 Interventional

Stepped Care for Young Children After Trauma

NCT01603563
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
Stepped Care TF-CBT, Standard TF-CBT
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
3 Years to 7 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 23, 2015 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Phase 3 Interventional

Treatment of Attention Deficit Hyperactivity Disorder in Preschool-Age Children (PATS)

NCT00018863
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Methylphenidate
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
3 Years to 5 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
6
States / cities
Irvine, California • Los Angeles, California • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2020 · Synced Jun 10, 2026, 2:21 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Vision In Preschoolers Study (VIP Study)

NCT00038753
View directory record Official record
Conditions
Amblyopia, Strabismus, Refractive Error
Interventions
Vision Screening
Procedure
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
36 Months to 59 Months
Healthy volunteers
Accepts healthy volunteers
U.S. locations
5
States / cities
Berkeley, California • Boston, Massachusetts • Columbus, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2009 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional Results available

A Randomized Controlled Trial of PCIT-ED for Preschool Depression

NCT02076425
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
PCIT-ED
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
36 Months to 83 Months
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 1, 2019 · Synced Jun 10, 2026, 2:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Toilet Training Toddlers and Preschoolers

NCT01747343
View directory record Official record
Conditions
Incontinence, Enuresis
Interventions
Underwear/Differential Reinforcement
Behavioral
Lead sponsor
University of Kansas
Other
Eligibility
18 Months and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Lawrence, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 31, 2014 · Synced Jun 10, 2026, 2:21 PM EDT