Trisomy
MONDO:0700065A chromosomal abnormality consisting of the presence of one chromosome in addition to the normal diploid number.
Also known as: chromosomal triplication
18 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
Broader categories
-
New program aims to ease burden on families of kids with rare diseases
Symptom relief ENROLLING_BY_INVITATIONThis study tests a program called FACE-Rare, designed to support family caregivers of children with rare, life-limiting diseases. The program includes three sessions to help families prepare for future medical decisions and improve their quality of life. Researchers will compare …
Phase: NA • Sponsor: Children's National Research Institute • Aim: Symptom relief
Last updated Jun 27, 2026 09:00 UTC
-
New study maps normal heart function in newborns
Knowledge-focused OngoingThis study observes heart function in 216 newborns born at 35 weeks or later. Researchers will use ultrasound to measure how the heart relaxes and fills with blood, creating normal reference values. They will also check if factors like mother's health or birth conditions affect h…
Sponsor: University College Cork • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:10 UTC
-
New study aims to unlock mysteries of sex chromosome disorders in children
Knowledge-focused ENROLLING_BY_INVITATIONThis 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
-
Scientists probe genetic secrets of lost fetuses to unravel sex chromosome mysteries
Knowledge-focused ENROLLING_BY_INVITATIONThis 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
-
300 men with klinefelter syndrome to be tracked for decades in landmark study
Knowledge-focused ENROLLING_BY_INVITATIONThis 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
-
10,000 genomes scoured for clues to rare brain diseases
Knowledge-focused ENROLLING_BY_INVITATIONThis study will analyze DNA from 10,000 people with suspected rare genetic disorders affecting the brain. Researchers will map structural changes in chromosomes to find which genes cause disease. The goal is to improve genetic diagnosis and lay groundwork for future treatments.
Sponsor: Karolinska Institutet • Aim: Knowledge-focused
Last updated Jun 26, 2026 13:56 UTC