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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Age matters: study hopes to boost fertility in klinefelter syndrome
Disease control CompletedThis study looked at 141 men with Klinefelter syndrome (47,XXY) to see if younger men (ages 15–22) have a better chance of finding sperm through testicular biopsy compared to older men (ages 23–55). Participants provided two semen samples, and if no sperm were found, they underwe…
Sponsor: Hospices Civils de Lyon • Aim: Disease control
Last updated Jun 27, 2026 08:05 UTC
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Scientists dig into the mysteries of x and y chromosomes
Knowledge-focused CompletedThis study looked at 112 people with known differences in their sex chromosomes (X and Y) to better understand how these variations affect health, especially infertility. Participants underwent physical exams, blood and urine tests, imaging, and sensory checks over about 5 days. …
Sponsor: National Human Genome Research Institute (NHGRI) • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:07 UTC