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319 results about "EGFR inhibitors" patented technology

Many therapeutic approaches are aimed at epidermal growth factor receptor. Cetuximab and panitumumab are examples of monoclonal antibody inhibitors. However the former is of the IgG1 type, the latter of the IgG2 type; consequences on antibody-dependent cellular cytotoxicity can be quite different. Other monoclonals in clinical development are zalutumumab, nimotuzumab, and matuzumab. The monoclonal antibodies block the extracellular ligand binding domain. With the binding site blocked, signal molecules can no longer attach there and activate the tyrosine kinase. Another method is using small molecules to inhibit the EGFR tyrosine kinase, which is on the cytoplasmic side of the receptor. Without kinase activity, EGFR is unable to activate itself, which is a prerequisite for binding of downstream adaptor proteins. Ostensibly by halting the signaling cascade in cells that rely on this pathway for growth, tumor proliferation and migration is diminished. Gefitinib, erlotinib, and lapatinib are examples of small molecule kinase inhibitors. There are several quantitative methods available that use protein phosphorylation detection to identify EGFR family inhibitors.

Biomarkers for response to tyrosine kinase pathway inhibitors in cancer

Copy number gains detected in tumors and associated with drug sensitivity and resistance in vivo and in vitro can be used as biomarkers to select, predict and monitor drug treatment outcomes in cancer patients treated with tyrosine kinase inhibitors. Methods to identify patients with NSCLC or other malignancies who are more likely to benefit from tyrosine kinase inhibitors such as VEGF or VEGFR inhibitors when used either as monotherapy or in combination with other therapies such as chemotherapy or EGFR inhibitors, and who are in the advanced stages of disease and / or who have undergone adjuvant therapy are also provided herein.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST

Pyrimidine compound, EGFR inhibitor and application of EGFR inhibitor

InactiveCN106083736AInhibitory activitySuppression of resistance mutationsOrganic active ingredientsNervous disorderDiseaseSide effect
The invention discloses a pyrimidine compound, an EGFR inhibitor and application of the EGFR inhibitor. The pyrimidine compound is prepared from a compound shown in the formula I or pharmaceutically acceptable salt thereof, a stereoisomer, and a solvate or prodrug. The EGFR inhibitor contains the pyrimidine compound. The pyrimidine compound can inhibit activated or resistant mutation of one or more kinds of EGFRs, can inhibit proliferation of the EGFR T790M / L858R double-mutant enzyme in the nanomolar concentration, but has a weak inhibiting effect on the wild EGFR enzyme; the pyrimidine compound is applicable to treatment of the EGFR-sensitive mutations cancer and also suitable for cases with secondary dug resistance in present EGFR-TKI treatment; meanwhile, toxic and side effects caused by inhibition on the wild EGFR are greatly reduced due to the mutation selectivity of the pyrimidine compound, and the pyrimidine compound is an ideal treatment drug for diseases caused by EGFR mutation.
Owner:TETRANOV PHARMA CO LTD
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