Study findings to be presented at the 2024 ASCO Annual Meeting find hereditary risk for gastric and lung cancers, among others, underscoring the need for broader genetic testing
SAN FRANCISCO, May 23, 2024 /PRNewswire/ -- Invitae (OTC:NVTAQ), a leading medical genetics company, today announced eight studies to be presented at the 2024 American Society of Clinical Oncology (ASCO) Annual Meeting held in Chicago from May 31-June 4, 2024. The clinical data being presented demonstrate the importance of genetic testing for patients with various different types of cancers, including breast, gastric, prostate and lung, to better inform management and treatment decisions.
Genetic testing guidelines need to be inclusive of more cancer types, with new data finding gastric, lung and prostate cancer patients with inherited genes linked to increased cancer risk
Gastric cancer is the fourth leading cause of cancer-related deaths worldwide, and the role of pathogenic (disease causing) variants in cancer predisposition genes is not well understood for this disease. One study looked at genetic testing results in 3,706 gastric cancer patients the largest study of its kind to better understand the prevalence of disease causing variants in cancer associated genes. The results found the percentage of patients with disease causing variants to be 13.4%, about 1 in 8 patients. This shows the value of genetic testing in all gastric cancer patients, as the prevalence of pathogenic variants is similar to other cancer types for which guidelines recommend universal genetic testing.
"Current guidelines haven't met the needs for patients across cancer types, gastric cancer included," said Dr. Ophir Gilad, University of Chicago and a co-author of this study. "The prevalence of actionable gene variants found in this study of gastric cancer patients is on par with other cancer types for which guidelines recommend universal genetic testing. We're increasingly seeing evidence for germline genetic testing to help guide treatment plans and familial testing for various cancer types."
Additionally, in a study of 14,317 patients with lung cancer, 12.6% had pathogenic germline variants -- regardless of smoking history. The study results suggest these inherited genes are not only independently associated with lung cancer, but also additive to smoking risk for lung cancer. These data reinforce prior studies supporting consideration of germline genetic testing for all patients with lung cancer, independent of age or reported smoking history.
Genetic testing is similarly underutilized for prostate cancer. In a large study of 15,000 prostate cancer patients that received genetic testing, results showed that of the patients with genetic variants that increase risk of prostate cancer, 3 in 4 patients had no reported family history of prostate cancer and more than 1 in 3 patients had no reported family history of any cancer. The findings underscore the importance of genetic testing for all prostate cancer patients, regardless of age, stage or family history.
Breast cancer data in Rwanda demonstrates need for more genetic testing in underrepresented populations
Despite the observation that cancers are often diagnosed at young ages and take an aggressive course in Sub-Saharan Africa (SSA), genetic data that could inform treatment are limited for this population group.
In a recent study, patients undergoing cancer treatment in hospitals in Rwanda for female breast, male breast and prostate cancer underwent multigene panel testing (Invitae), and the results found a large proportion of the patients had inherited pathogenic variants that could help inform their treatment (18.3% of female breast cancer, 16.7% of male breast cancer, and 4.3% of prostate cancer patients). The findings suggest that genetic testing should be more routinely implemented into cancer care and prevention strategies in this population.
Underrepresented race, ethnicity, and ancestry (REA) groups face these challenges across geographies. In another recent study being presented at ASCO that included more than one million people over an eight-year period who underwent genetic testing for hereditary cancer syndromes, it was found that underrepresented REA groups are disproportionately impacted by variants of uncertain significance (VUS) in genetic testing, which are uncertain results that are not clinically actionable. With more representation of these groups in clinical studies, there will be more data that could uncover life-saving discoveries. Clinical evidence was the most significant source of information leading to VUS resolution, underscoring the importance of the clinician-lab partnership and communication.
"Germline genetic testing should be the standard of cancer care across many types of cancers. In underrepresented populations, this is especially crucial as more information needs to be collected to better inform care and improve population health overall," said Dr. Michael Korn, chief medical officer at Invitae. "Each year, ASCO presents us with an opportunity to share compelling research to help propel cancer treatment forward, and we're proud of the clinical insights our tests are able to provide across cancer types."
Study offers reassurance that variants of uncertain significance in genetic testing results among patients with breast cancer do not lead to overuse of treatment or surveillance interventions, such as mastectomies
It's common for patients with breast cancer undergoing germline genetic testing to have uncertain results, but it's previously been unclear if these results impact clinical management. However, a recent study being presented at ASCO presents new evidence indicating that variants of uncertain significance (VUS) identified through germline genetic testing do not result in guideline-discordant management in real-world settings. Specifically, patients with breast cancer and VUS results demonstrated similar rates of treatment, prevention and surveillance interventions compared to those with negative results. This offers reassurance that VUS results do not lead to overuse of mastectomies or other interventions for patients with breast cancer.
2024 ASCO presentations and posters:
About InvitaeInvitae (OTC: NVTAQ) is a leading medical genetics company trusted by millions of patients and their providers to deliver timely genetic information using digital technology. We aim to provide accurate and actionable answers to strengthen medical decision-making for individuals and their families. Invitae's genetics experts apply a rigorous approach to data and research, serving as the foundation of their mission to bring comprehensive genetic information into mainstream medicine to improve healthcare for billions of people.
To learn more, visit invitae.comand follow for updates on LinkedIn, X, Instagram, and Facebook@Invitae.
Safe Harbor StatementThis press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including statements relating to the company's beliefs regarding its new research; the company's belief that its new research demonstrates the importance of genetic testing for many cancers not currently covered by clinical guidelines; the company's belief that its new research demonstrates the need for more research in underrepresented populations; and the company's belief that its research helps move cancer treatment forward.. Forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially, and reported results should not be considered as an indication of future performance. These risks and uncertainties include, but are not limited to: the applicability of clinical results to actual outcomes; the company's ability to use rapidly changing genetic data to interpret test results accurately and consistently; risks and uncertainties regarding the company's ability to successfully consummate and complete a plan under chapter 11 or any strategic or financial alternative as well as the company's ability to implement and realize any anticipated benefits associated with its sale of assets to Labcorp and the any alternative that may be pursued, including the asset sales and wind down of operations; the company's public securities' potential liquidity and trading; and any impact resulting from the delisting of the company's common stock from the New York Stock Exchange and trading instead on the OTC Pink Marketplace; and the other risks set forth in the company's filings with the Securities and Exchange Commission, including the risks set forth in the company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2023. These forward-looking statements speak only as of the date hereof, and Invitae Corporation disclaims any obligation to update these forward-looking statements.
Invitae PR contact: Renee Kelley [emailprotected]
SOURCE Invitae Corporation
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