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Rare Genetic Disease clinical trials

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NCT ID: NCT05236595 Enrolling by invitation - Clinical trials for Undiagnosed Diseases

Research for Individualized Therapeutics in Rare Genetic Disease

Start date: November 24, 2021
Phase:
Study type: Observational [Patient Registry]

The purpose of this research study is to identify individuals that have a rare genetic disease without an adequate therapeutic strategy that might be treatable with drug developed to target the disease-causing genetic alteration.

NCT ID: NCT04406480 Recruiting - Pregnancy Related Clinical Trials

Realization of Sequencing of All Known Human Genes in Case of Detection of Cerebral, Renal or Ophthalmological Fetal Malformations During Pregnancy in Order to Make an Etiological Diagnosis and to Precise the Fetal Prognosis

PRENATEX
Start date: August 5, 2020
Phase: N/A
Study type: Interventional

Congenital malformations concern 3% of pregnancies; most of them can be seen during pregnancy. For some malformations, an invasive sample (trophoblast biopsy or amniocentesis) is proposed to search a chromosomal abnormality by the technique of DNA chip. However, some strongly suggestive signs of a genetic (and not chromosomal) pathology have a very low diagnostic rate with this technique. In the absence of an etiological diagnosis, the prognosis for the unborn child is very difficult to assess, as we can't know if the fetal malformation is really isolated or associted to other unseen features as part of a syndromic condition. For some malformations strongly suggestive of a genetic condition, we propose to realize an exome (i.e. all coding parts of the genome) sequencing of the trio (child and the 2 parents) with a delivery time compatible with the emergency situation of a pregnancy (6 weeks maximum). We will apply bioinformatics filters to analyse only genes known to be involved in the malformation present in the unborn child and thus avoid the identification of variants in unrelated genes. These lists of genes have been previously validated by the Rare Disease Health Sectors and the affiliated diagnostic laboratories. The selected malformations are: 1) anomalies of the central nervous system (microcephaly (<- 2DS) with anomalies of gyration, anomalies of the posterior fossa, anomalies of the midline except agenesis of the corpus callosum), 2) ophthalmological anomalies (microphthalmia, hyperplasia vitreous) and 3) renal abnormalities (large hyperechoic kidneys).