Roche has announced that the U.S. Food and Drug Administration (FDA) has approved FoundationOne®Liquid CDx, Foundation Medicine’s comprehensive pan-tumour liquid biopsy test for patients with solid tumours. FoundationOne Liquid CDx is a comprehensive genomic profiling (CGP) test that analyses more than 300 cancer-related genes and multiple genomic signatures to optimise patient care. Cancer is a disease of the genome, driven by genetic mutations within a tumour’s DNA. CGP is used to identify these unique mutations to determine how a tumour behaves and grows, and these insights can help physicians to determine a personalised treatment plan for each individual patient based on the specific mutations identified.
As well as approving FoundationOne Liquid CDx as a CGP test for patients with any solid tumour, the FDA approved the test for use as a companion diagnostic to identify patients who may benefit from treatment with certain prostate and lung cancer therapies, including Rubraca® (rucaparib), a poly (ADP-ribose) polymerase (PARP) inhibitor for treatment in patients with BRCA 1/2-mutant metastatic castration-resistant prostate cancer, and three first-line tyrosine kinase (TKI) inhibitors for the treatment of patients with non-small cell lung cancer. By incorporating multiple genes, including several companion diagnostic biomarkers, the test can help save time versus sequential biomarker testing.
“Many cancer patients are unable to have a tissue biopsy. FoundationOne Liquid CDx may provide a minimally-invasive option for patients who otherwise might not have benefitted from comprehensive genomic profiling,” said Levi Garraway, M.D., Ph.D., Roche’s Executive Vice President, Chief Medical Officer, Head of Global Product Development and Co-Founder of Foundation Medicine Inc. “The convenience of testing a blood sample may also enable more rapid treatment decisions, so that patients can feel reassured they are not losing time to fight their disease.”
FoundationOne Liquid CDx analyses circulating cell-free DNA from a patient’s blood sample and uses massively parallel sequencing to detect the four main classes of genomic alterations. The test is FDA-approved to report short variants in 311 genes including rearrangements and copy number losses in BRCA1 and BRCA2 genes. The results are delivered in an integrated report that identifies alterations matched to FDA-approved therapies. The report also delivers information about genomic signatures, including microsatellite instability and blood tumour mutational burden, as well as single gene alterations, including all NTRK fusions, to help inform the use of other therapies including immunotherapies, and provides relevant clinical trial information.
“With the acceleration towards precision therapy approaches, it is important that physicians have the highest quality tools that can provide an accurate picture of their patients’ cancers in a timely manner,” said Fortunato Ciardiello, M.D., Ph.D, Professor of Medical Oncology, Director of the Division of Medical Oncology at the Università della Campania Luigi Vanvitelli, Italy. “With the approval of FoundationOne Liquid CDx physicians have the choice of two high-quality, FDA-approved comprehensive genomic profiling tests, enabling them to select the most optimal option for their patients.”
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