Clinical trials: Sex Chromosome Abnormalities
Turner Syndrome, Hypogonadism; Ovarian
Long Term Effects of Oral Versus Transdermal Estrogen Replacement Therapy in Turner Syndrome
This 14-month, phase IV, randomized controlled crossover trial aims to compare the effects of oral versus transdermal estrogen replacement therapy (ERT) in women with Turner syndrome (TS).
- Conditions
- Turner Syndrome, Hypogonadism; Ovarian, Hormone Replacement Therapy, Estrogen Replacement Therapy
- Trial name
- NCT06570460
- Testing
- 17-beta estradiol
- Where
- Denmark
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Aarhus University Hospital
Turner Syndrome, Klinefelter Syndrome
X-chromosome Inactivation, Epigenetics and the Transcriptome
The human genetic material consists of 46 chromosomes of which two are sex chromosomes. The sex-chromosome from the mother is the X and from the father the Y-chromosome.
- Conditions
- Turner Syndrome, Klinefelter Syndrome, Triple X Syndrome, 47 XYY Syndrome
- Trial name
- NCT01678261
- Where
- Denmark
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Marfan Syndrome, Loeys-Dietz Syndrome
Micro RNAs as a Marker of Aortic Aneurysm in Hereditary Aortopathy Syndromes
The primary objective of this study is to determine whether specific patterns of circulating micro-ribonucleic acids (miRNAs) are associated with aortic aneurysm and dissection in patients with hereditary aortopathy syndromes.
- Conditions
- Marfan Syndrome, Loeys-Dietz Syndrome, Thoracic Aortic Aneurysm and Dissection Syndromes, Ehlers-Danlos Type IV Syndrome
- Trial name
- NCT02213484
- Where
- 2 sites in United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International
Fragile X Syndrome
Effect of CBD on the Brain
This proposal focuses on the therapeutic relevance of the endocannabinoid (eCB) system for the treatment of Fragile-X syndrome (FXS), the primary hereditary cause of autism spectrum disorder (ASD).
- Trial name
- NCT06261450
- Testing
- CBD Oral Solution (eCBD system Target)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
Turner Syndrome
Aortic Dimensions in Turner Syndrome
An observational study of 102 women with Turner syndrome followed for 6 years with a two-yearly examination including ECHO, MRI of the heart and 24 ambulatory blood pressure.
- Trial name
- NCT00624949
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Fragile X Syndrome
Optical Imaging as a Tool for Monitoring Brain Function in Fragile X Syndrome
The objective of this project is to explore the potential of functional near- infrared spectroscopy (fNIRS) as innovative functional biomarker for clinical trial readiness in Fragile X Syndrome (FXS) that is still without cure.
- Trial name
- NCT06293027
- Where
- Italy
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- IRCCS Fondazione Stella Maris
WAGR Syndrome, Wilm's Tumor
Characterization of WAGR Syndrome and Other Chromosome 11 Gene Deletions
This study will explore conditions caused by the absence of certain genes on chromosome 11. These conditions include WAGR syndrome, which is characterized by a kidney tumor called Wilm s tumor, aniridia (absence of the iris of…
- Conditions
- WAGR Syndrome, Wilm's Tumor, Aniridia, Urogenital Abnormalities
- Trial name
- NCT00758108
- Where
- United States
- Volunteers
- 197 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Fragile X Syndrome
Add-on Pilot Trial of Minocycline to Treat Fragile X Syndrome
Fragile X Syndrome (FXS) is the most common known inherited form of mental impairment, developmental disability and autism. Minocycline is an antibiotic that has recently been used to treat the mouse model for Fragile X, and was…
- Trial name
- NCT00858689
- Testing
- Minocycline
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- FRAXA Research Foundation
Klinefelter Syndrome, Hypogonadism
Epigenetics and Metabolic Disorders in Men With the Klinefelter Syndrome
This study will elucidate how the parental origin of the X-chromosome influences health status as well as metabolic fate in Klinefelter patients.
- Trial name
- IZKF-CRA03-09 (NCT01703676)
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- University Hospital Muenster
Klinefelter Syndrome
Neuropsychologic, Neuroradiologic, Endocrinologic, and Genetic Aspects of Klinefelter Syndrome
The purpose of this study is to investigate the following: 1. Whether Klinefelter Syndrome is associated with altered total and regional brain volumes and altered brain activity. 2.
- Trial name
- NCT00999310
- Where
- Denmark
- Volunteers
- 146 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Turner Syndrome
Effect of Turner Syndrome on Number Sense
This study evaluates approximate number sense (ANS) in children, adolescents, and adult women with Turner syndrome compared to age-matched healthy peers.
- Trial name
- NCT03459651
- Testing
- ANS training
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Stanford University
DSD, 46,XY, DSD, Ovotesticular
Gonadal Tissue Cryopreservation for Fertility Preservation in Children With a Disorder of Sex Development
The purpose of this study is to offer gonadal tissue freezing and storage to children who are diagnosed with a disorder of sex development (DSD), who are at increased risk of infertility and certain malignancies (cancer).
- Conditions
- DSD, 46,XY, DSD, Ovotesticular, DSD, Sex Chromosome, Disorders of Sex Development
- Trial name
- DSD (NCT06692049)
- Testing
- Gonadectomy
- Where
- United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Erin Rowell
Sex Chromosome Abnormality, Klinefelter Syndrome
Endocrine, Metabolic, Cardiovascular and Immunological Aspects of Sex Chromosome Abnormalities in Relation to Genotype
Observational study of 160 patients with sex-chromosome abnormalities and 160 matched controls. Blood, fat, muscle, skin, buccal swaps, urine will be collected and analyzed for DNA, RNA and methylation patterns.
- Conditions
- Sex Chromosome Abnormality, Klinefelter Syndrome, Turner Syndrome, Metabolic Disease
- Trial name
- EMKISCA (NCT05425953)
- Testing
- No intervention other than obtaining biopsies
- Where
- Denmark
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Turner Syndrome
Risk of Diabetes in Young Turner Syndrome Patients
Turner Syndrome is a common genetic disorder. Seventy percent of adults with Turner Syndrome have abnormalities in glucose metabolism which can lead to diabetes.
- Trial name
- NCT02160717
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Sex Chromosome Aneuploidy
Generating Advancements Through Longitudinal Analysis in X and Y Variations (GALAXY)
GALAXY is a registry research study that plans to learn more about individuals with X\&Y variations (also called sex chromosome aneuploidies) through collecting information from medical records.This includes genetic tests…
- Trial name
- GALAXY (NCT06373861)
- Testing
- no intervention
- Where
- United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Fragile X Syndrome, Angelman Syndrome
Parent and Infant Inter(X)Action Intervention (PIXI)
The objective is to develop and test, through an iterative process, an intervention to address and support the development of infants with a confirmed diagnosis of a neurogenetic disorder with associated developmental delays or…
- Conditions
- Fragile X Syndrome, Angelman Syndrome, Prader-Willi Syndrome, Dup15Q Syndrome
- Trial name
- NCT03836300
- Testing
- Parent-Infant Inter(X)action Intervention (PIXI)
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- RTI International
Turner Syndrome, Hypogonadism
Estrogen Dosing in Turner Syndrome: Pharmacology and Metabolism
Estrogen is necessary for feminization during puberty and to decrease bone resorption, the latter critical for the achievement of peak bone mass and normal bone health in the female.
- Conditions
- Turner Syndrome, Hypogonadism, Premature Ovarian Failure
- Trial name
- NCT00837616
- Testing
- 17 B estradiol orally, 17 B estradiol
- Where
- 3 sites in United States, Chile
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Nemours Children's Clinic
Cardiovascular Phenotype, Metabolic Phenotype
Implications of Maternal 45,X Mosaicism as a Secondary Genomic Finding Following Cell-Free DNA Sequencing During Pregnancy: A Deep Phenotype Study
Background: Mosaicism is a condition in which cells within the same person have a different genetic makeup. Sometimes, a type of mosaicism called 45,X may not be discovered in a woman until she undergoes routine tests during…
- Conditions
- Cardiovascular Phenotype, Metabolic Phenotype, Hypertensive Disease, Psychological Phenotype
- Trial name
- NCT05548881
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Chromosome 13 Aneuploidy, Chromosome 18 Aneuploidy
Non-invasive Prenatal Diagnostic Validation Study
The primary purpose of this study is to collect maternal blood samples from pregnant women to develop a non-invasive prenatal diagnostic test based on fetal DNA isolated from maternal blood.
- Conditions
- Chromosome 13 Aneuploidy, Chromosome 18 Aneuploidy, Chromosome 21 Aneuploidy, Sex Chromosome Aberrations
- Trial name
- NIPD (NCT01574781)
- Testing
- Blood draw, Cheek swab/Saliva Sampling
- Where
- United States
- Volunteers
- 1,781 people, healthy volunteers welcome
- Sponsor
- Natera, Inc.