Sex chromosome disorder of sex development
MONDO:0017975Congenital conditions of atypical sexual development associated with abnormal sex chromosome constitutions including monosomy; trisomy; and mosaicism.
Also known as: Sex chromosome DSD
37 clinical trials for this condition and its sub-types, 2 tagged with Sex chromosome disorder of sex development itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Sex chromosome disorder of sex development
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Turner syndrome 29 trials
3 sub-types
- Turner syndrome due to structural X chromosome anomalies 0 trials
- Mixed gonadal dysgenesis 0 trials
- Monosomy X 0 trials Sub-types →
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Klinefelter syndrome 9 trials
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45,X/46,XY mixed gonadal dysgenesis 0 trials
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48,XXXY syndrome 0 trials
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48,XXYY syndrome 0 trials
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49,XXXXY syndrome 0 trials
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Tetragametic chimerism 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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Would families trade daily growth hormone shots for weekly ones?
Knowledge-focused CompletedChildren with growth hormone deficiency often need daily injections, which can be hard to keep up with. Researchers in Belgium and Luxembourg are asking families in the BELGROW registry to fill out a questionnaire about whether they would consider switching to long-acting growth …
Sponsor: Cliniques universitaires Saint-Luc- Université Catholique de Louvain • Aim: Knowledge-focused
Last updated Sep 21, 2026 20:00 UTC
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Can brain tests unlock the social struggles of turner syndrome?
Knowledge-focused CompletedThis study investigates why some girls with Turner syndrome find it hard to make friends, read emotions, and control their feelings. Researchers will compare 35 girls with Turner syndrome to 35 girls with isolated growth hormone deficiency, all aged 7 to 16. Through puzzles, memo…
Sponsor: University Hospital, Angers • Aim: Knowledge-focused
Last updated Aug 20, 2026 00:00 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