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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Toddlers Clear all
Recruiting Not applicable Interventional

A Randomized Control Trial of a Responsive Parenting Intervention to Support Healthy Brain Development and Self-regulation in Toddlers Born Preterm

NCT04856501
View directory record Official record
Conditions
Premature Birth
Interventions
PALS intervention condition, Control condition
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
15 Months to 30 Months
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Sep 23, 2026, 2:22 AM EDT
Withdrawn Not applicable Interventional

Testing the Sickle Cell Caregiver Collaboration for Child Development (SCCCD) Intervention

NCT06562439
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Sickle Cell Collaboration for Child Development
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
6 Months to 31 Months
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 23, 2026, 2:22 AM 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 Sep 23, 2026, 2:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Long-Chain Polyunsaturated Fatty Acid Supplementation on Toddler Cognition

NCT00982462
View directory record Official record
Conditions
Infant Development
Interventions
Docosahexaenoic acid (DHA) and arachidonic acid (ARA), Corn oil placebo
Dietary Supplement
Lead sponsor
Retina Foundation of the Southwest
Other
Eligibility
351 Days to 379 Days
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2017 · Synced Sep 23, 2026, 2:22 AM EDT
Completed Phase 2 Interventional Results available

Historically Controlled Trial of Corticosteroids in Young Boys With Duchenne Muscular Dystrophy

NCT02167217
View directory record Official record
Conditions
Duchenne Muscular Dystrophy
Interventions
Prednisolone
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Month to 30 Months · Male only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
6
States / cities
Sacramento, California • Orlando, Florida • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2018 · Synced Sep 23, 2026, 2:22 AM EDT
Completed Not applicable Interventional Results available

Stage I Randomized Trial of Mentalization-Based Therapy for Substance Using Mothers of Infants and Toddlers

NCT00319436
View directory record Official record
Conditions
Maternal Substance Use, Child Abuse and Neglect
Interventions
Mentalizing Therapy for Substance Using Mothers, Standard Parent Education for Substance Using Mothers
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 8, 2020 · Synced Sep 23, 2026, 2:22 AM 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 Sep 23, 2026, 2:22 AM EDT
Completed Not applicable Interventional

A Randomized Clinical Trial for Toddlers With ASD

NCT01008800
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Social communication
Behavioral
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
22 Months to 33 Months
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Sep 23, 2026, 2:22 AM EDT
Terminated Phase 2 Interventional

Safety and Tolerability of a Novel Malathion Formulation in Infants and Toddlers With Head Lice

NCT00291057
View directory record Official record
Conditions
Lice Infestations
Interventions
MALG
Drug
Lead sponsor
Sun Pharmaceutical Industries, Inc.
Industry
Eligibility
6 Months to 24 Months
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
5
States / cities
Scottsdale, Arizona • St. Petersburg, Florida • West Palm Beach, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2013 · Synced Sep 23, 2026, 2:22 AM EDT
Completed Phase 1 Interventional

Pharmacokinetics (PK) Study of a Fluconazole Loading Dose in Infants and Toddlers

NCT00797420
View directory record Official record
Conditions
Candidiasis
Interventions
Fluconazole Loading Dose, Fluconazole Loading Dose & High Dose
Drug
Lead sponsor
Daniel Benjamin
Other
Eligibility
48 Hours to 2 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 4, 2018 · Synced Sep 23, 2026, 2:22 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers

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

NCT06397768
View directory record Official record
Conditions
RSV Immunization
Interventions
RSVt vaccine, Diphtheria, tetanus, pertussis, poliomyelitis , Haemophilus influenzae type b, and hepatitis B vaccine, Diphtheria, tetanus, pertussis, Haemophilus influenzae type b and poliomyelitis vaccine, Hepatitis B vaccine, Streptococcus pneumoniae vaccine, Rotavirus vaccine, Measles, mumps, and rubella vaccine, Varicella virus vaccine, Placebo
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 12 Months
Enrollment
2,226 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
66
States / cities
Birmingham, Alabama • Grand Bay, Alabama • Mobile, Alabama + 55 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Sep 23, 2026, 2:22 AM EDT
Completed Phase 4 Interventional Results available

Omega Tots: A Randomized, Controlled Trial of Long-chain Polyunsaturated Fatty Acid Supplementation of Toddler Diets and Developmental Outcomes

NCT01576783
View directory record Official record
Conditions
Preterm Birth, Child Development
Interventions
Docosahexaenoic Acid + Arachidonic Acid (DHA+AA), Placebo
Drug · Dietary Supplement
Lead sponsor
Sarah Keim
Other
Eligibility
10 Months to 16 Months
Enrollment
377 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Sep 23, 2026, 2:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Intervention Nurses Start Infants Growing on Healthy Trajectories (INSIGHT) Study

NCT01167270
View directory record Official record
Conditions
Infant, Obesity
Interventions
Child Safety Insights, Parenting Insights
Behavioral
Lead sponsor
Ian M. Paul, MD
Other
Eligibility
1 Day and older
Enrollment
316 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2023
U.S. locations
2
States / cities
Hershey, Pennsylvania • State College, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 30, 2024 · Synced Sep 23, 2026, 2:22 AM EDT
Completed Not applicable Interventional

Effectiveness of Early Intervention in an Underserved Population

NCT01250938
View directory record Official record
Conditions
Autism Spectrum Disorders
Interventions
ESI - Community Outreach
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
24 Months to 54 Months
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
2
States / cities
Tallahassee, Florida • White Plains, New York
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Sep 23, 2026, 2:22 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Breast Milk: Influence of the Micro-transcriptome Profile on Atopy in Children Over Time

NCT04017520
View directory record Official record
Conditions
Atopy, Atopic Dermatitis Eczema, Wheezing, Food Allergy in Infants
Interventions
Not listed
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
0 Days to 7 Days
Enrollment
221 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2028
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Sep 23, 2026, 2:22 AM 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 Sep 23, 2026, 2:22 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety of Meningococcal Vaccine GSK134612 Given as 1 or 2 Doses to Healthy 9-12 Months Old Toddlers.

NCT00471081
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Meningococcal vaccine GSK134612
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
9 Months to 9 Months
Enrollment
385 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
19
States / cities
Birmingham, Alabama • Benton, Arkansas • Little Rock, Arkansas + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced Sep 23, 2026, 2:22 AM EDT
Recruiting Not applicable Interventional

Pediatricians Building Resilience Through Early Identification for Toddler Well-Being

NCT07091240
View directory record Official record
Conditions
Mental Health
Interventions
Behavioral Parent Training
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
432 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 23, 2026, 2:22 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety of a Quadrivalent Meningococcal Conjugate Vaccine Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers

NCT03673462
View directory record Official record
Conditions
Healthy Volunteers (Meningococcal Infection)
Interventions
Meningococcal polysaccharide (serogroups A,C,Y and W) tetanus toxoid Conjugate vaccine (MenACYW Conjugate vaccine), Meningococcal (Groups A, C, Y and W 135) Oligosaccharide Diphtheria CRM197 Conjugate Vaccine (MENVEO®), Diphtheria, Tetanus, Acellular Pertussis, Poliovirus and Haemophilus b Vaccine, Pneumococcal 13-valent Conjugate Vaccine, Rotavirus Vaccine, Hepatitis B Vaccine, Measles, Mumps, and Rubella Virus Vaccine, Varicella Virus Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 89 Days
Enrollment
2,797 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
67
States / cities
Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 56 more
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Sep 23, 2026, 2:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Accuracy Evaluation of the Owlet OSS 3.0-M1 Sensor in Toddlers and Preschoolers

NCT07321938
View directory record Official record
Conditions
Healthy
Interventions
Application and monitoring with an Owlet OSS 3.0-M1 Sensor, Reference Pulse Oximeter
Device
Lead sponsor
Owlet Baby Care, Inc.
Industry
Eligibility
19 Months to 60 Months
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 23, 2026, 2:22 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Early Communication Intervention for Toddlers With Hearing Loss

NCT03803943
View directory record Official record
Conditions
Hearing Loss, Bilateral
Interventions
Parent-Implemented Communication Intervention (PICT), No Intervention - Business-as-usual control
Behavioral · Other
Lead sponsor
Northwestern University
Other
Eligibility
12 Months to 18 Months
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 23, 2026, 2:22 AM EDT
Completed Phase 2 Interventional Results available

Study of the Safety and Immune Response of a Meningococcal Vaccine Administered to Healthy Children

NCT00262028
View directory record Official record
Conditions
Prevention of Meningococcal Disease
Interventions
MenACWY-CRM Vaccine, MenACWY-PS Vaccine
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
12 Months to 10 Years
Enrollment
910 participants
Timeline
2005 – 2006
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2016 · Synced Sep 23, 2026, 2:22 AM 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 Sep 23, 2026, 2:22 AM EDT
Completed Not applicable Interventional

Effect of Agave Syrup, Placebo, and No Treatment on Nocturnal Cough and Sleep Quality for Coughing Infants/Toddlers and Their Parents

NCT01721395
View directory record Official record
Conditions
Cough
Interventions
Agave Syrup
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
2 Months to 48 Months
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 22, 2015 · Synced Sep 23, 2026, 2:22 AM EDT