IRESSA 250 mg Tablet

IRESSA 250 mg Tablet

Uses of  IRESSA 250 mg Tablet

IRESSA; for the treatment of breast and lung cancer.

How it Work

Gefitinib is an EGFR inhibitor, like erlotinib, which interrupts signaling through the epidermal growth factor receptor (EGFR) in target cells. Therefore, it is only effective in cancers with mutated and overactive EGFR.Gefitinib is the first selective inhibitor of epidermal growth factor receptor’s (EGFR) tyrosine kinase domain. Thus gefitinib is an EGFR inhibitor. The target protein (EGFR) is a member of a family of receptors (ErbB). Gefitinib inhibits EGFR tyrosine kinase by binding to the adenosine triphosphate (ATP)-binding site of the enzyme. Thus the function of the EGFR tyrosine kinase in activating the anti-apoptotic Ras signal transduction cascade is inhibited, and malignant cells are inhibited.

Common Side Effects

Common side effects include; Acne-like rash is reported very commonly. Other common adverse effects (≥1% of patients) include: diarrhoea, nausea, vomiting, anorexia, stomatitis, dehydration, skin reactions, paronychia, asymptomatic elevations of liver enzymes, asthenia, conjunctivitis, blepharitis.

Moreover,
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*Follow your doctor’s advice.

*Always take medicine after food.

*Take the medicine with water.

Fast Fact

As gefitinib is a selective chemotherapeutic agent, its tolerability profile is better than previous cytotoxic agents. Adverse drug reactions (ADRs) are acceptable for a potentially fatal disease.

Common combination chemotherapy regimens