Chromosome X disorder
MONDO:0700027Chromosomal disorder in which chromosome X is affected.
14 clinical trials for this condition and its sub-types, 0 tagged with Chromosome X disorder itself.
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Sub-types of Chromosome X disorder
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Klinefelter syndrome 9 trials
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Trisomy X 3 trials
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Partial duplication of chromosome X 0 trials · 3 incl. sub-types
2 sub-types
- Partial duplication of the long arm of chromosome X 0 trials · 3 incl. sub-types Sub-types →
- Partial duplication of the short arm of chromosome X 0 trials Sub-types →
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48,XXXY syndrome 0 trials
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49,XXXXY syndrome 0 trials
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49,XXXYY syndrome 0 trials
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X small rings 0 trials
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Monosomy X 0 trials
1 sub-type
- Mosaic monosomy X 0 trials
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Partial deletion of chromosome X 0 trials
2 sub-types
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Pentasomy X 0 trials
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Tetrasomy X 0 trials
Most studied deeper sub-types
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Can early parent coaching help infants with rare genetic disorders thrive?
Disease control By invitation onlyThis study tests a program called PIXI that coaches parents of infants diagnosed with rare neurogenetic disorders (such as Fragile X, Angelman, or Down syndrome) during the first year of life. The program combines education about the disorder, guided parent-child interaction acti…
Sponsor: RTI International • Aim: Disease control
Last updated Jul 15, 2026 00:00 UTC
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New study aims to unlock mysteries of sex chromosome disorders in children
Knowledge-focused By invitation onlyThis study follows 300 fetuses and children with sex chromosome disorders to track their growth, organ development, and overall health. Researchers will also look at genetic and gut microbiome factors. The goal is to better understand how these conditions affect children over tim…
Sponsor: University of Aarhus • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:11 UTC
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Scientists probe genetic secrets of lost fetuses to unravel sex chromosome mysteries
Knowledge-focused By invitation onlyThis study looks at fetuses with sex chromosome disorders (like extra or missing X or Y chromosomes) that were either miscarried or electively aborted. Researchers will analyze the placenta and fetal tissues to see how the chromosome changes affect gene activity and development. …
Sponsor: University of Aarhus • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:09 UTC
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300 men with klinefelter syndrome to be tracked for decades in landmark study
Knowledge-focused By invitation onlyThis study will follow 300 men with Klinefelter syndrome (an extra X chromosome) who are treated at a Danish hospital. Researchers will collect medical records, scans, and blood samples to map how the condition affects growth, hormones, fertility, heart health, and mental well-be…
Sponsor: Rigshospitalet, Denmark • Aim: Knowledge-focused
Last updated Jun 26, 2026 15:49 UTC