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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Toddlers Clear all
Terminated No phase listed Observational Accepts healthy volunteers

Near-infrared Spectroscopy and Electroencephalography to Assess Cortical Activation During Motor Tasks in Infants and Toddlers With and Without Cerebral Palsy

NCT03434080
View directory record Official record
Conditions
Autism, Cerebral Palsy
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
3 Months to 5 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Jul 22, 2026, 5:57 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Study of the Safety and Immunogenicity of Catch-up Vaccination With a 21-valent Pneumococcal Conjugate Vaccine (PCV21) in Healthy Infants, Toddlers, Children, and Adolescents

NCT06838000
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
PCV21, 20vPCV
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
7 Months to 17 Years
Enrollment
1,268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
17
States / cities
Paramount, California • Doral, Florida • Hialeah, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

BIG Study (Brain, Immune, and Gut Health Evaluation of Infants/Young Children Fed Infant Formula, and Later Supplemental Toddler Nutrition, With 5 Specific HMOs)

NCT04957992
View directory record Official record
Conditions
Growth
Interventions
Control Infant Formula, Control Toddler Drink, Experimental Infant Formula, Experimental Toddler Drink, Human Milk, Human Milk Supplemental Formula, Human Milk Toddler Drink
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
0 Days to 14 Days
Enrollment
607 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
42
States / cities
Phoenix, Arizona • Glenwood, Arkansas • Hot Springs, Arkansas + 35 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Baby Navigator Intervention to Improve Outcomes of Toddlers With Communication Delays

NCT05215145
View directory record Official record
Conditions
Social Communication
Interventions
Baby Navigator Bundle, Baby Navigator Bundle + Individual-ESI
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
12 Months to 18 Months
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Water Up@ At Home: An Intervention to Replace Sugary Drinks With Water

NCT05159622
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Water Up! at Home
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 12, 2023 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Working on Rapid Language Development in Toddlers

NCT01975922
View directory record Official record
Conditions
Language Developmental Disorders
Interventions
Enhanced Milieu Teaching
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
24 Months to 42 Months
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 25, 2018 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthy Online Parental Education Project to Increase Fruit and Vegetable Intake and Active Playtime Among Toddlers

NCT05085041
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 6, 2022 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Study of an Live-Attenuated Respiratory Syncytial Virus Vaccine in Infants and Toddlers

NCT04491877
View directory record Official record
Conditions
Respiratory Syncytial Virus Infection
Interventions
RSV vaccine formulation 1, RSV vaccine formulation 2, Placebo
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 18 Months
Enrollment
259 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
25
States / cities
Gardena, California • La Mesa, California • Los Angeles, California + 21 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Jul 22, 2026, 5:57 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Utility of a Urine Screening Tool for Vitamin D Deficiency in Infants and Toddlers

NCT01105689
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Not listed
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
6 Months to 3 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 8, 2011 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Development and Health of Rural Chinese Children Fed Meat as a Daily Complementary Food From 6-18 Mos of Age

NCT00726102
View directory record Official record
Conditions
Nutritional Deficiencies
Interventions
Meat, Cereal, fortified rice cereal
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
6 Months to 18 Months
Enrollment
1,488 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 27, 2016 · Synced Jul 22, 2026, 5:57 PM EDT
Suspended Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Safety of Live Intranasal Sendai Virus Vaccine in Children and Toddlers

NCT00186927
View directory record Official record
Conditions
Parainfluenza, Respiratory Viral Infections
Interventions
Sendai virus vaccine
Biological
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
12 Months to 6 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2028
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Not applicable Interventional

Peer-mentored Cooking Classes for Parents of Toddlers: Do Families Cook More and Eat Healthier After the Intervention?

NCT01710423
View directory record Official record
Conditions
Obesity
Interventions
Peer mentoring intervention ('Cooking with Friends')
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Not listed
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 4, 2015 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Long-Term Antibody Persistence at 1, 3 and 5 Years After a Fourth Dose of GSK Biologicals' Hib-MenCY-TT Vaccine Compared to ActHIB

NCT00359983
View directory record Official record
Conditions
Neisseria Meningitidis, Haemophilus Influenzae Type b
Interventions
MenHibrix (Hib-MenCY-TT), Hib conjugate vaccine (ActHIB)
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
22 Months to 60 Months
Enrollment
270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
21
States / cities
Little Rock, Arkansas • Fountain Valley, California • Norwich, Connecticut + 15 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Safety and Immunogenicity of Fluzone® in Healthy Children

NCT00831675
View directory record Official record
Conditions
Influenza
Interventions
Influenza Vaccine 2004-2005 Paediatric Formulation
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 35 Months
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Jul 22, 2026, 5:57 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Hummus for Health: Dietary Quality and Health Outcomes in Toddlers

NCT02696278
View directory record Official record
Conditions
Obesity
Interventions
Lesson about vegetables, Vegetables, Hummus
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
12 Months to 24 Months
Enrollment
139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2017 · Synced Jul 22, 2026, 5:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Comparing a Team-Based Approach to Standard Well-Child Visits To Improve Preventive Care Services

NCT05852392
View directory record Official record
Conditions
Pediatric, Well Child Care
Interventions
Adapted PARENT Model
Other
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
9 Months to 15 Months
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
3
States / cities
Honolulu, Hawaii • Columbus, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Jul 22, 2026, 5:57 PM EDT
Active, not recruiting No phase listed Observational

Critical Windows in the Development of Asthma Endotypes and Phenotypes in High-Risk Toddlers

NCT05210361
View directory record Official record
Conditions
Asthma in Children, Wheezing
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Months to 36 Months
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Phase 3 Interventional Results available

CARE Network Maintenance Versus Intermittent Inhaled Steroids in Wheezing Toddlers (MIST)

NCT00675584
View directory record Official record
Conditions
Asthma
Interventions
Budesonide, Placebo Budesonide
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
12 Months to 53 Months
Enrollment
278 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
5
States / cities
Tucson, Arizona • San Diego, California • Denver, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

EMT en Español for Spanish-speaking Toddlers With Language Delays

NCT04066049
View directory record Official record
Conditions
Language Development Disorders
Interventions
EMT en Español
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
30 Months to 36 Months
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Not applicable Interventional Results available

A Trial of Project ImPACT in Early Intervention

NCT04729127
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Project ImPACT
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
Up to 30 Months
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Jul 22, 2026, 5:57 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Study of the Safety of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age

NCT06824194
View directory record Official record
Conditions
Pneumococcal Immunization
Interventions
PCV21 vaccine, Prevnar 20 vaccine, M-M-R II vaccine, Rotarix, RotaTeq, Vaxelis vaccine, Varivax, Priorix, VAQTA, Havrix
Biological
Lead sponsor
Sanofi
Industry
Eligibility
42 Days to 89 Days
Enrollment
2,360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
103
States / cities
Birmingham, Alabama • Guntersville, Alabama • Oneonta, Alabama + 81 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jul 22, 2026, 5:57 PM EDT
Terminated Not applicable Interventional

Effectiveness Trial of Mobile ESI for Toddlers With Autism Identified by Early Screening in Primary Care

NCT05456139
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Treatment as Usual, Early Social Interaction Mobile Coaching (ESI-MC)
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
15 Months to 20 Months
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
8
States / cities
Los Angeles, California • Tallahassee, Florida • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Toddler Tastes Study

NCT06877468
View directory record Official record
Conditions
Dietary Behavior
Interventions
Associative conditioning, Modeling
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Months and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 4, 2026 · Synced Jul 22, 2026, 5:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Infant- Toddler Climate of Healthy Interactions for Learning and Development (I-T CHILD)

NCT05132374
View directory record Official record
Conditions
Child Development, Child Behavior, Social Skills, Infant Development
Interventions
I-T CHILD
Other
Lead sponsor
Yale University
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Jul 22, 2026, 5:57 PM EDT