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Showing 1–24 of 245 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Children, Preschool Clear all
Recruiting Not applicable Interventional

Peer Interventions for Preschoolers With Autism

NCT05799599
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Stay-Play-Talk Basic, Stay-Play-Talk Plus, Stay-Play-Talk Advanced
Behavioral
Lead sponsor
University of Kansas
Other
Eligibility
3 Years to 6 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
Kansas City, Kansas • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Sep 10, 2026, 1:15 PM EDT
Completed No phase listed Observational

Prospective Evaluation of a Smartphone Application, GoCheckKids™, to Detect Amblyopia Risk Factors in Young Children

NCT03447171
View directory record Official record
Conditions
Amblyopia
Interventions
App Vision Screening
Device
Lead sponsor
Gobiquity Mobile Health
Industry
Eligibility
1 Year to 8 Years
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Anchorage, Alaska
Source: ClinicalTrials.gov public record
Updated Aug 2, 2018 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Phase 4 Interventional

Atomoxetine Pilot Study in Preschool Children With ADHD

NCT00517647
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
ATMX
Drug
Lead sponsor
University of Arizona
Other
Eligibility
3 Years to 5 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 8, 2012 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Not applicable Interventional

Multimodal Physician Intervention to Detect Amblyopia

NCT01109459
View directory record Official record
Conditions
Amblyopia, Strabismus
Interventions
Pediatric blood pressure screening, Pediatric vision screening
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
Not listed
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 22, 2010 · Synced Sep 10, 2026, 1:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Monitoring Activity And Gait In Children

NCT04823650
View directory record Official record
Conditions
Child, Preschool, Child, Adolescent
Interventions
COHORT A: Actigraph, Panoramic Bracelet and GENEActiv
Device
Lead sponsor
Pfizer
Industry
Eligibility
3 Years to 17 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing the Variety of Vegetables and Fruits Served to Preschool Children at a Snack

NCT01557218
View directory record Official record
Conditions
Obesity, Feeding Behaviors
Interventions
Cucumber snack, Pepper snack, Tomato snack, Vegetable variety snack, Apple snack, Peach snack, Pineapple snack, Fruit variety snack
Other
Lead sponsor
Penn State University
Other
Eligibility
3 Years to 6 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 14, 2013 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Fit 5 Kids Screen Time Reduction Curriculum for Latino Preschoolers

NCT03575884
View directory record Official record
Conditions
Obesity, Childhood, Physical Activity, Nutrition
Interventions
Screen Time Reduction Curriculum
Behavioral
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
3 Years to 5 Years
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
3
States / cities
Houston, Texas • Seattle, Washington • Sunnyside, Washington
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Phase 1Phase 2 Interventional

Project HERA (Health, Education, and Relationship-building for Adolescents- Moms and Tots)

NCT02200484
View directory record Official record
Conditions
Child Behavior Problems, Parenting Skills, Obesity Prevention
Interventions
Combined parent training and obesity prevention program, Wellness program (active contact control)
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
16 Years to 20 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 9, 2015 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Launch II: A Pilot Randomized Control Trial of a Clinic and Clinic Plus Home Intervention for Preschool Obesity

NCT01419951
View directory record Official record
Conditions
Obesity
Interventions
Clinic + Home Behavioral Intervention, Pediatrician Counseling, Clinic Only Behavioral Intervention
Behavioral · Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
2 Years to 5 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 21, 2014 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Self-regulation & School Readiness in Preschoolers

NCT02225236
View directory record Official record
Conditions
Executive Dysfunction
Interventions
Classroom Intervention
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
3 Years to 5 Years
Enrollment
237 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 28, 2018 · Synced Sep 10, 2026, 1:15 PM EDT
Recruiting Not applicable Interventional

Executive Function and Parenting in Childhood

NCT06241300
View directory record Official record
Conditions
Disruptive Behavior Disorder, Childhood Onset, Disruptive Behavior, Executive Function
Interventions
Chicago Parent Program
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
4 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 10, 2026, 1:15 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Digital Intervention to Promote Preschool Nutrition and Activity: The eHEROs Study

NCT07224412
View directory record Official record
Conditions
Health Behavior
Interventions
KnowHow Program
Behavioral
Lead sponsor
Cornell University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 10, 2026, 1:15 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Mommio: Training in Vegetable Parenting

NCT02215421
View directory record Official record
Conditions
Obesity
Interventions
Mommio
Behavioral
Lead sponsor
Archimage, Inc.
Industry
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2016 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Not applicable Interventional

Smart and Secure Children Program for Preschool Obesity

NCT02681874
View directory record Official record
Conditions
Obesity, Type 2 Diabetes
Interventions
SSC Program, Written Handouts
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
2 Years to 5 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Sep 10, 2026, 1:15 PM EDT
Enrolling by invitation Not applicable Interventional

Parent-Educator Action Response

NCT07203014
View directory record Official record
Conditions
Attention Deficit and Disruptive Behavior Disorders
Interventions
Parent-Educator Action Response (PEAR), Daily Report Card
Behavioral
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Jump Start on the Go: Improving Resiliency and the Social-Emotional Development of At-Risk Preschool Children

NCT06374550
View directory record Official record
Conditions
Mental Health Wellness 1
Interventions
Jump Start on the Go, Jump Start Plus Coronavirus Support
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced Sep 10, 2026, 1:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Interviewing Children About Past Events: Evaluating the NICHD Interview Protocol

NCT00343018
View directory record Official record
Conditions
Memory
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
5 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 10, 2026, 1:15 PM EDT
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 Sep 10, 2026, 1:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Effects of Docosahexaenoic Acid (DHA) on Cognitive Function in Children 4 Years of Age

NCT00351624
View directory record Official record
Conditions
Healthy
Interventions
DHA, placebo
Behavioral
Lead sponsor
dsm-firmenich Switzerland AG
Industry
Eligibility
4 Years to 4 Years
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
10
States / cities
Los Angeles, California • Stockbridge, Georgia • DeKalb, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Retrieval-Based Word Learning in Developmental Language Disorder

NCT05325333
View directory record Official record
Conditions
Developmental Language Disorder, Specific Language Impairment, Language Development
Interventions
Retrieval-based word learning: Expanding retrieval practice schedule, Retrieval-based word learning: Standard retrieval practice schedule
Behavioral
Lead sponsor
Purdue University
Other
Eligibility
48 Months to 71 Months
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Sep 10, 2026, 1:15 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Enhancing Father's Ability to Support Their Preschool Child

NCT01395238
View directory record Official record
Conditions
Fathers, Parenting, High-risk, Child Maltreatment, Prevention
Interventions
Fathers Supporting Success in preschoolers
Behavioral
Lead sponsor
Queens College, The City University of New York
Other
Eligibility
18 Years and older · Male only
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Flushing, New York
Source: ClinicalTrials.gov public record
Updated Mar 26, 2019 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Building Sentences With Preschoolers Who Use AAC

NCT03538925
View directory record Official record
Conditions
Down Syndrome, Speech and Language Disorder, Speech Disorders in Children, Speech Intelligibility, Speech Sound Disorder
Interventions
AAC Generative Language Intervention, Standard of Care / Business as Usual
Behavioral
Lead sponsor
University of Central Florida
Other
Eligibility
3 Years to 4 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
2
States / cities
Orlando, Florida • Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Echinacea, Propolis and Vitamin C for URI Prevention in Preschoolers

NCT00231218
View directory record Official record
Conditions
Common Cold, Gastroenteritis
Interventions
dietary supplement--echinacea, propolis, and vitamin c
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
3 Years to 6 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 13, 2006 · Synced Sep 10, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does Portion Size Influence Intake of Low-Energy-Dense Foods in Preschool-aged Children?

NCT00936507
View directory record Official record
Conditions
Caloric Intake
Interventions
Energy Density/Portion Size
Other
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
3 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Sep 10, 2026, 1:15 PM EDT