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The presence of KRAS mutations in colorectal cancer tissue indicates that the patient may not benefit from treatment with Erbitux. If the test result indicates that the KRAS mutations are absent in the colorectal cancer cells, then the patient may be considered for treatment with Erbitux. [41]
Selumetinib, had a phase 2 clinical trial for non-small cell lung cancer (NSCLC) which demonstrated an improvement in PFS, [5] and is now in phase III development in KRAS mutation positive NSCLC (SELECT-1, NCT01933932). Other ph 3 clinical trials underway include uveal melanoma (failed), and differentiated thyroid carcinoma.
Accordingly, genetic testing to confirm the absence of KRAS mutations (and so the presence of the KRAS wild-type gene), is now clinically routine before the start of treatment with EGFR inhibitors. mCRC patients with wild-type KRAS tumors have been shown to benefit from a response rate of over 60% and a decreased risk for progression of over 40 ...
Panitumumab was approved by the European Medicines Agency (EMEA) in 2007, and by Health Canada in 2008, for "the treatment of refractory EGFR-expressing metastatic colorectal cancer in patients with non-mutated (wild-type) KRAS". Panitumumab was the first monoclonal antibody to demonstrate the use of KRAS as a predictive biomarker.
In June 2024, the US FDA granted accelerated approval to adagrasib plus cetuximab for adults with KRAS G12C-mutated locally advanced or metastatic colorectal cancer, as determined by an FDA-approved test, who have received prior treatment with fluoropyrimidine-, oxaliplatin-, and irinotecan-based chemotherapy. [10] [11]
Sotorasib, sold under the brand names Lumakras and Lumykras, is an anti-cancer medication used to treat non-small-cell lung cancer. [4] [5] It targets a specific mutation, G12C, in the protein K-Ras encoded by gene KRAS which is responsible for various forms of cancer. [7] [8] Sotorasib is an inhibitor of the RAS GTPase family. [4]
mRNA-5671 also known as V941 is a cancer vaccine candidate developed by Moderna. [1] It is a tetravalent vaccine that targets G12D, G12V, G13D or G12C driver mutations in the KRAS gene. [ 2 ] It is currently being evaluated for the treatment of either non-small cell lung cancer , colorectal cancers with microsatellite instability , or ...
HCT116 cells have a mutation in codon 13 of the KRAS proto-oncogene, and are suitable transfection targets for gene therapy research. [2] The cells have an epithelial morphology and can metastasize in xenograft models. [1] When transducted with viral vectors carrying the p53 gene, HCT116 cells remain arrested in the G1 phase. [3]