Turner syndrome
MONDO:0019499Turner syndrome is a chromosomal disorder associated with the complete or partial absence of an X chromosome.
Also known as: gonadal dysgenesis, 45,X gonadal dysgenesis, 45,X syndrome, 45,X/46,XX syndrome, 45,X0 syndrome, 45X syndrome, karyotype 45, X, monosomy X
101 clinical trials for this condition and its sub-types.
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Broader categories
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Weekly shot could replace daily needles for kids with growth disorders
Disease control OngoingThis study tests if a new growth hormone medicine (somapacitan) given once a week works as well as the standard daily growth hormone (Norditropin) for children who are very short due to being born small, or having Turner syndrome, Noonan syndrome, or unknown causes. About 412 chi…
Phase: PHASE3 • Sponsor: Novo Nordisk A/S • Aim: Disease control
Last updated Jun 27, 2026 13:08 UTC
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Weekly shot may replace daily growth hormone for turner syndrome kids
Disease control OngoingThis study tests a new long-acting growth hormone (lonapegsomatropin) given once a week, compared to the standard daily growth hormone shot, in 48 prepubertal children with Turner syndrome who have not had growth hormone before. The goal is to see if the weekly shot is safe and h…
Phase: PHASE2 • Sponsor: Ascendis Pharma Endocrinology Division A/S • Aim: Disease control
Last updated Jun 27, 2026 12:33 UTC
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Can freezing ovarian tissue help girls have babies later?
Disease control OngoingThis study offers girls from birth to age 17 the chance to freeze their ovarian tissue before medical treatments that could harm their fertility, such as chemotherapy or radiation. The tissue is removed surgically and stored. Later, if they want to have children, the tissue can b…
Phase: NA • Sponsor: Mayo Clinic • Aim: Disease control
Last updated Jun 27, 2026 12:10 UTC
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New sperm-sorting chip could boost IVF success rates
Disease control OngoingThis study compares a new microfluidic device, SwimCount Harvester, to standard sperm preparation methods in couples undergoing IVF with genetic testing (PGT-A). About 1,600 couples will be randomly assigned to one of the two methods. The goal is to see if the device leads to mor…
Phase: NA • Sponsor: MotilityCount aps • Aim: Disease control
Last updated Jun 27, 2026 09:00 UTC
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Weekly shot may help short kids grow – new study underway
Disease control OngoingThis study tests a new growth hormone medicine called somapacitan, given once a week, in 47 children who are very short due to being born small for gestational age, or having Turner syndrome, Noonan syndrome, or idiopathic short stature. The main goal is to see if it is safe and …
Phase: PHASE3 • Sponsor: Novo Nordisk A/S • Aim: Disease control
Last updated Jun 27, 2026 07:58 UTC
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Fertility breakthrough? new additive may boost IVF success
Symptom relief OngoingThis study tests whether adding a substance called cpFT to the liquid used to grow eggs and embryos can increase the number of live births in women under 37 who are having a type of IVF called ICSI. About 366 couples took part. The goal is to see if this simple change can improve…
Phase: PHASE3 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Symptom relief
Last updated Jun 27, 2026 08:00 UTC
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AI watches embryo movies to predict IVF success
Knowledge-focused ENROLLING_BY_INVITATIONThis study records 30-second videos of embryos from 1,000 IVF patients and uses artificial intelligence to analyze their movement patterns. The goal is to see if these patterns can predict whether an embryo will lead to a successful pregnancy. Participants receive standard care a…
Sponsor: Viable Biosciences • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:39 UTC
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Can ovarian freezing help girls with turner syndrome have children later?
Knowledge-focused OngoingThis study looks at freezing ovarian tissue in girls with Turner syndrome, a condition that often causes early ovary failure and infertility. Researchers want to find out which patients are most likely to have healthy eggs in their tissue by checking their genes, hormones, and me…
Phase: NA • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:01 UTC
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Resident's journey to master scarless hysterectomy under the microscope
Knowledge-focused OngoingThis study watches a single gynecology resident as they learn to perform a hysterectomy through the vagina using a special camera, leaving no belly scars. The goal is to see how quickly the resident improves, measuring surgery time and any complications. Nineteen women with benig…
Sponsor: Cukurova University • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:02 UTC
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Scientists hunt for hidden genes behind aortic aneurysms
Knowledge-focused OngoingThis study aims to uncover the genetic roots of aortic aneurysms and valve disease by analyzing tissue and blood samples from 3,000 participants. Researchers will look for new disease-causing genes and factors that affect disease severity. The goal is to build a biorepository to …
Sponsor: Yale University • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:04 UTC
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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
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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
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New biobank aims to unlock secrets of infertility and pregnancy
Knowledge-focused ENROLLING_BY_INVITATIONThis study is creating a biobank—a collection of blood samples and health data—to help researchers better understand gynecological disorders, infertility in men and women, and pregnancy-related conditions. Up to 3,000 participants will provide samples at San Raffaele Hospital in …
Sponsor: IRCCS San Raffaele • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:01 UTC
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Brain scans reveal hidden links between body diseases and metabolism
Knowledge-focused OngoingThis study watches 200 people with lung, gut, or hormone diseases over time using special brain scans (PET). It aims to see how these diseases change brain activity and whether those changes can predict tumor return, spread, or survival. No new treatment is tested—just observatio…
Sponsor: The First Affiliated Hospital of Zhengzhou University • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC