View clinical trials related to Genetic Diseases, Inborn.
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Due to the widespread use of NGS, TTN is emerging as a major causative gene in neuromuscular disorders, with high clinical heterogeneity. The mechanisms underlying the phenotypic variability and mode of inheritance (recessive or dominant) of titinopathies are poorly understood. They involve the primordial structural functions of titin on the formation and stability of the sarcomere, as well as its interactions with other proteins. We identified by NGS, in patients with skeletal myopathy (with or without cardiomyopathy), several potentially disease causing TTN variants. The specific aims of the present project are to implement functional studies (transcripts, protein analyses, in vitro protein-protein interaction studies) to evaluate the effect of TTN variants on the transcripts and protein in order to perform phenotype-genotype correlation studies. We participate to the national "titin network" and to international efforts for the understanding of the molecular bases of titinopathies. Genomic characterisation opens the way to develop cellular models of titinopathy, derived from patient biopsies. This is also a mandatory first step for the design of novel therapeutic approaches.
In China, birth defects can reach as high as 5.6%, about 900,000 new cases of birth defects are added each year, making it the second cause of death for infants, with a total death rate of 19.1%. At present, China implements the three-level prevention and control system for birth defects, which is performed before marriage, before birth, and during the neonatal period. Newborn screening is the last line of defense against birth defects. Early screening diagnosis and timely intervention are extremely important, especially for diseases which can be preventive and treatable. This study aims to evaluate the clinical application of high-throughput targeting sequencing in newborns, and investigate whether this new technology can significantly shorten the time of examination, improve the diagnosis rate, guide the intervention treatments and promote prognosis for these disease.
The advent of high throughput genomic DNA sequencing has led to major advances in the diagnosis of genetic diseases of heterogeneous origin. Thus, our hospital laboratory has developed in recent years several diagnostic tests based on the targeted sequencing of coding sequences of gene panels (from about twenty genes for DNA repair diseases to nearly five hundred genes for the intellectual disability). These targeted analyzes, carried out by capture, have thus solved 25 to 80% of the cases according to the indications, without allowing the diagnosis of the totality of the patients. For these negative cases, the search for mutations in the coding sequences was then extended to Whole Exome Sequencing, thus providing several additional diagnoses. Patients still remain without diagnosis after this exome study. These could be complex cases of genetic or even non-genetic origin, but also monogenic pathologies linked to mutations that are not identifiable by coding sequence analyzes, and especially affecting messenger RNAs.
The main objective of this study is to apply a well-established model of developmental surveillance (which evolved to characterize the outcomes of very low birth weight infants) to infants with genetic disorders. A novel clinical model for infants with rare genetic disorders has been created as a joint initiative between the Division of Newborn Medicine's NICU Growth and Developmental Support Programs (NICU GraDS) program and the Division of Genetics at Boston Children's Hospital (BCH). This study plans to enroll patients with genetic syndromes seen in this clinic into a prospective, longitudinal study in order to characterize their developmental profiles and needs.
This study aims to evaluate the electrophysiological properties of the heart conduction system in patients with unexplained polymorphic ventricular tachycardia (VT) and/or ventricular fibrillation (VF), in patients with specific genetic mutations regarding sudden cardiac death or sudden cardiac arrest, in their family members and in a control cohort. The electrophysiological properties will be measured with the relatively new technique ECG-Imaging (ECGI). Also a National Dutch registry for patients with unexplained polymorphic VT and/or VF and their family members will be created. By combining the data from the registry and the results of ECGI, The investigators hope to identity risk markers for patients at higher risk for apparently idiopathic ventricular fibrillation, and use these for an adapted flow chart for the 'general'population of patients at risk for unexplained polymorphic VT and/or VF. The investigators aim to be able to identify patients before the first arrhythmic event, and aim for better treatment strategies in the future.
The project will carry out the genetic testing of 100000 neonates in the next 5 years. The aim of the project is to construct the Chinese neonatal genome database, establish the genetic testing standard of neonatal genetic diseases, and promote the industrialization of neonatal genetic disease gene testing, improve the training system for genetic counseling.
Rare systemic auto inflammatory diseases are a group of diseases that can be inherited and have non specific symptoms (fevers, rashes, joint pain, etc.). These diseases can be divided into two groups: - Diseases for which genetic mutations have been identified - The so-called genetically undetermined diseases for which no genetic mutation has been identified and for which the diagnosis is based on the elimination of other causes of disease At present, the causes and mechanisms of these diseases are poorly understood and their diagnosis is difficult, often leading to misdiagnosis. The usual care integrates anti-inflammatory treatments (aspirin, colchicine, cortisone, biotherapies, etc.) and support for patients and their families by health professionals (doctors, nurses, physiotherapists, etc.). To date, a patient with one of these diseases can receive up to 5 inappropriate or ineffective treatments before the right diagnosis is made and the right therapy is put in place. The objective of this study is to develop rapid and effective diagnostic methods for these diseases by the identification of biological markers present in blood, urine or stool of patient in order to develop a rapid and efficient diagnostic method.
This is a pilot study involving a prospective group of 15 evaluable patients who will undergo rapid whole genome sequencing in addition to standard of care testing. Subjects will be drawn from children admitted to the NICU at OSF Health Care Children's Hospital of Illinois who meet inclusion criteria. The aims of this study are to evaluate the turn-around time and cost of performing rapid whole genome sequencing (rWGS) compared to standard of care in the diagnosis of genetic disorders among critically ill infants in a regional children's hospital and to describe management outcomes of utilizing rWGS in acutely ill patients less than four months of age.
The purpose of this double-masked, randomized, controlled, multiple-dose study is to evaluate the efficacy, safety, tolerability and systemic exposure of sepofarsen (QR-110) administered via intravitreal injection in subjects with Leber's Congenital Amaurosis (LCA) due to the CEP290 p.Cys998X mutation after 24 months of treatment