Actively Recruiting

Age: 6Weeks - 13Months
All Genders
NCT03396562

The eXtroardinarY Babies Study: Natural History of Health and Neurodevelopment in Infants and Young Children With Sex Chromosome Trisomy

Led by University of Colorado, Denver · Updated on 2024-05-09

300

Participants Needed

2

Research Sites

543 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This study is designed to research the natural history of neurodevelopment, health and early hormonal function in infants with XXY/Klinefelter syndrome, XYY, XXX and other sex chromosome variations in an effort to identify early predictors of developmental and health outcomes. The Investigators will also evaluate different developmental screening tools in infants with sex chromosome variations so the investigators can develop recommendations for pediatrician caring for infants and young children with XXY/Klinefelter syndrome, XYY, XXX, and other sex chromosome variations.

CONDITIONS

Official Title

The eXtroardinarY Babies Study: Natural History of Health and Neurodevelopment in Infants and Young Children With Sex Chromosome Trisomy

Who Can Participate

Age: 6Weeks - 13Months
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Prenatal diagnosis of sex chromosome aneuploidy by cfDNA, chorionic villi sampling, or amniocentesis
  • Postnatal confirmatory karyotype showing XXY, XYY, XXX, XXYY, XYYY, XXXY, XXXX, XXXXX, XXXXY, XXXYY, XXYYY, or XYYYY, including mosaicism with less than 80% 46,XX or 46,XY cell line
  • English or Spanish speaking
  • Age between 6 weeks and 12 months 30 days at enrollment
Not Eligible

You will not qualify if you...

  • Previous diagnosis of a different genetic or metabolic disorder affecting neurodevelopment or endocrine function
  • Prematurity less than 34 weeks gestational age
  • Complex congenital malformations not associated with sex chromosome aneuploidy
  • History of serious neonatal complications such as intraventricular hemorrhage, meningitis, or hypoxic-ischemic encephalopathy
  • Known complex central nervous system malformations identified by neuroimaging

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 2 locations

1

Children's Hospital Colorado

Aurora, Colorado, United States, 80045

Actively Recruiting

2

Nemours at Thomas Jefferson University

Philadelphia, Pennsylvania, United States, 19107

Actively Recruiting

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Research Team

N

Nicole Tartaglia, MD, MS

CONTACT

S

Susan Howell, MS, CGC, MBA

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

1

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