Xq12-q13.3 duplication syndrome
MONDO:0017794Xq12-q13.3 duplication syndrome is a rare chromosomal anomaly syndrome, resulting from the partial duplication of the long arm of chromosome X, characterized by global developmental delay, autistic behavior, microcephaly and facial dysmorphism (including down-slanting palpebral fissures, depressed nasal bridge, anteverted nares, long philtrum, down-slanting corners of the mouth). Seizures have also been reported in some patients.
Also known as: dup(X)(q12-q13.3)
6 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
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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
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Could a simple questionnaire unlock the secrets of Kids' eating disorders?
Knowledge-focused CompletedThis study tested a new parent questionnaire called ORALQUEST to assess feeding and eating disorders in children aged 9 months to 6 years. Researchers included 338 children with chronic conditions like heart defects or autism, as well as those with picky eating. The goal was to s…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:04 UTC