View clinical trials related to Mutation.
Filter by:This study will investigate the utility of integrative sequencing of individuals and families at risk of hereditary cancer syndromes and will uncover novel contributors to tumourigenesis. Integrative sequencing refers to: 1. Whole genome sequencing (WGS) of the germline (inherited) genome 2. Whole exome sequencing (WES) or targeted/panel sequencing of tumour(s) (somatic, tumour-specific mutations) 3. DNA methylation (methylome) analysis of tumour(s) 4. RNA sequencing (transcriptome) of tumour(s) Eligible patients receiving genetic care at Princess Margaret Cancer Centre and the University Health Network may be approached by their genetic counsellor for participation in this study.
To determine the landscape of gene mutation before and after endocrine therapy, to search for molecular markers of endocrine therapy efficacy, and to explore the clinical value of using NGS detection of ctDNA to guide precise endocrine therapy in patients with advanced breast cancer. The primary endpoints were progression-free survival (PFS), and the secondary endpoints included overall survival time (OS), adverse events (AE), and severe adverse events (SAE).
The objective of this protocol is to develop an institution-wide liquid biopsy protocol that will establish a common process for collecting blood and corresponding archived tumor specimens for future research studies at the University Health Network's Princess Margaret Cancer Centre. Circulating cell-free nucleic acids (cfNA), including cell-free DNA (cfDNA) and cell-free RNA (cfRNA), are non-invasive, real-time biomarkers that can provide diagnostic and prognostic information before cancer diagnosis, during cancer treatment, and at disease progression. Cancer research scientists and clinicians at the Princess Margaret are interested in incorporating the collection of peripheral blood samples ("liquid biopsies") into research protocols as a means of non-invasively assessing tumor progression and response to treatment at multiple time points during a patient's course of disease.
TUMOSPEC is a national family study designed to measure the relative and absolute risk of cancer for carriers of deleterious mutations to these "new" breast cancer (BC) susceptibility genes. Index cases will be enrolled consecutively from patients attending an appointment at one of the Unicancer centres, with no other inclusion criteria, and offered a BRCA1/2 analysis as part of their care plan. A panel of 24 TUMOSPEC genes, chosen in advance by a steering committee, will be tested as the same time as the BRCA1/2 genes, at one of the usual BRCA1/2 analysis laboratories belonging to the same network and participating in the study. If a mutation is found, the index cases will be asked to invite their first and second degree family members and their cousins to take part in the study, regardless of whether they have cancer. Saliva samples will be then taken and used for a targeted analysis of the familial abnormality. Each participant will also complete an epidemiological questionnaire in order to gather information about his/her medical history and any exposure to various risk factors. All medical and genotype data will be centralised at the Genetic Epidemiology Research Platform (PIGE, INSERM). The cumulative mutation frequency for all genes is estimated at 10%. Penetrance will be analysed using methods designed to minimise selection bias. The expression spectrum of the mutations will also be described. For genes where the number of mutated families is too low, the data may be contributed to international consortia. The main project will be preceded by a two-year feasibility study, using the same inclusion criteria and logistic circuits. It is this pilot study to which the current funding application relates.
This observational study aims to research whether there is a relationship between omentin and ischemic stroke on the aspects of incidence, severity, and recovery etc.
In the way for developing and optimizing protocol to be used as non- invasive methodology used as routine testing for PGS. This protocol is to be adapted to replace the using of life embryo cells for genetic testing and aneuploidy study as well as for any type of genetic testing including single gene disorder or HLA typing or study.
Chinese male subjects will be invited to participate in a research study of brown fat, a special tissue in the body that is designed to burn energy to make heat. The objective is to learn the importance of a gene called "PRDM-16" for the function of brown fat. Subjects were selected as a possible subject in this study because they fulfil the age and weight criteria. 500 subjects from the Singhealth Investigational Medicine Unit healthy volunteer database will be recruited over a period of 2 years. All of the subjects will have their PRDM-16 gene sequenced. The objective is to identify subjects with mutations, or changes, in their PRDM-16 gene. About 12 subjects with PRDM-16 mutations are expected to be identified. Samples of blood obtained during the course of this study will be stored and analysed only for the purposes of this study for a period not exceeding 2 years, and will be destroyed after completion of the study, unless subject is agreeable to donate the samples to the National Heart Centre Singapore for continuous storage for future studies that are approved by the institutional review board..
Pathway Genomics Corporation (Pathway Genomics), a San Diego, California company, is involved in the development and validation of new molecular diagnostic assays for the analysis of circulating tumor deoxyribonucleic acid (DNA) (ctDNA) found in the plasma-derived DNA (cell-free DNA or cfDNA) in order to identify specific variants (mutations) in cancer driver genes. The purpose of testing for mutations in ctDNA is to detect and monitor cancer. All cells shed DNA into the bloodstream. Finding cancer-associated mutations in the cfDNA may lead to early detection of cancer in an otherwise apparently healthy (i.e. asymptomatic) individual or may allow the healthcare provider to more effectively monitor and treat a known cancer patient. The analysis is performed using a polymerase chain reaction (PCR)-based methodology where oligonucleotides are designed to target specific mutations in designated genes of interest followed by next generation deep sequencing of the amplified targets. Evaluation of the performance of these assays for screening for cancer in asymptomatic subjects is essential for the clinical validation of the use of these assays. The specific aim of this protocol is to obtain relevant human blood samples from individual subjects at higher than average risk for the development of cancer due to age, heredity, or environmental or toxic exposures for use in the statistical analysis of this method as an adjunct screening test for the potential presence of cancer.