Genetron Health Releases 22 New Research Results at American Association for Cancer Research Annual Meeting (AACR) 2021 - Seite 2

Nachrichtenquelle: Business Wire (engl.)
13.04.2021, 07:31  |  123   |   |   

“For hereditary cancers, the screening method used to detect Li-Fraumeni syndrome will also improve cancer detection rates in these patients and provide more intervention opportunities for them; for colorectal cancer, our analysis of KMT2C/2D inactivation mutations is also pointing to more possibilities for immunotherapy patients. And lastly, our work on rare cancer cases and the experimentation of new treatments is furthering the development of diagnosis and treatment research for these various types of patients," Hu added.

Exploring Ways to Optimize Conventional Technologies

To overcome the DNA-sequencing limitations involved with detecting gene fusion, Genetron Health optimized the use of conventional technologies in Study #2288. During this study, more accurate, efficient, and low-cost detection of gene fusion mutations was achieved at the RNA sequencing level. This was evaluated and verified in a STS cohort of 142 Chinese patients. Compared with DNA detection alone, integrated DNA and RNA sequencing improved the detection rate of STS fusion by 177%, which could provide clinical benefits for more STS patients.

Study #2080 optimized the algorithm that detects MSI through next generation sequencing (NGS). The study was conducted on a large cohort of 2,523 samples with various types of cancers. According to the study results, the optimized algorithm was 99.9% consistent with PCR (polymerase chain reaction) testing – the industry’s current gold standard. The positive predictive value of MSI-H was 98.73%, and the negative predictive value of MSS was 99.92%.

Focusing on Hereditary Cancers

Two studies (#1464, #2557) provided screening methods for Li-Fraumeni syndrome, an inherited condition that is characterized by an increased risk for certain types of cancer. These methods utilized in-depth analysis of germline mutations and investigated the distribution of genetic characteristics for pancreatic cancer in the Chinese population, providing evidence and additional ideas for the diagnosis and treatment of hereditary cancers.

Investigating Gene Mutation and Fusion Characteristics

Nine studies (#2217, #2163, #2223, #2216, #2215, #2313, #2252, #2183, #2182) examined the mutation and fusion characteristics of soft tissue sarcoma, melanoma, neuroendocrine tumors, non-small cell lung cancer, thymic carcinoma, small bowel adenocarcinoma, ampullary carcinoma, etc. The studies focused on finding potential targets for precise therapeutic treatment, drug-resistant targets and effective countermeasures.

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Genetron Health Releases 22 New Research Results at American Association for Cancer Research Annual Meeting (AACR) 2021 - Seite 2 Genetron Holdings Limited (“Genetron Health” or the “Company”, NASDAQ:GTH), a leading precision oncology platform company in China that specializes in molecular profiling tests, early cancer screening products and companion diagnostics development, …

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