Adagrasib
生产企业：Bristol Myers Squibb
Adagrasib is a KRAS inhibitor indicated for the treatment of locally advanced or metastatic KRAS G12C-mutated non-small cell lung cancer in patients who have received at least one prior systemic therapy.
Adagrasib is a KRAS inhibitor indicated for the treatment of locally advanced or metastatic KRAS G12C-mutated non-small cell lung cancer in patients who have received at least one prior systemic therapy.
In normal cells, KRAS is activated by binding to guanosine triphosphate (GTP), and this promotes the activation of the MAP kinase pathway and intracellular signal transduction. When GTP is hydrolyzed to guanosine diphosphate (GDP), KRAS is inactivated. This mechanism works as an "on"/"off" system that regulates cell growth. The substitution of Gly12 by cysteine in KRAS (KRAS) impairs GTP hydrolysis, and maintains KRAS in its active form. Therefore, the presence of this mutation leads to uncontrolled cellular proliferation and growth, as well as malignant transformation. Adagrasib is a covalent inhibitor of KRAS that irreversibly and selectively binds and locks KRAS in its inactive, guanosine diphosphate–bound state. Therefore, the use of adagrasib inhibits tumor cell growth and viability in cancers with KRAS mutations with minimal off-target activity.
Adagrasib is indicated for the treatment of adult patients with KRAS G12C-mutated locally advanced or metastatic non-small cell lung cancer (NSCLC), as determined by an FDA-approved test, who have received at least one prior systemic therapy. This indication is approved under accelerated approval based on objective response rate (ORR) and duration of response (DOR). Continued approval for this indication may be contingent upon verification and description of a clinical benefit in a confirmatory trial(s). Adagrasib in combination with cetuximab is indicated for the treatment of adult patients with KRAS G12C-mutated locally advanced or metastatic colorectal cancer (CRC), as determined by an FDA-approved test, who have received prior treatment with fluoropyrimidine-, oxaliplatin-, and irinotecan-based chemotherapy. This indication is approved under accelerated approval based on objective response rate (ORR) and duration of response (DOR). Continued approval for this indication may be contingent upon verification and description of a clinical benefit in a confirmatory trial.
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