Zykadia

Monitor for severe or intolerable GI toxicity; if occurs, withhold until improved; resume at reduced dose. Monitor ALT/AST and total bilirubin once monthly, and more frequently if elevated transaminases develop; withhold then reduce dose, or permanently discontinue based on severity. Congenital long QT syndrome; avoid. Patients with CHF, bradyarrhythmias, electrolyte abnormalities, or those who are taking drugs known to prolong the QTc interval; monitor ECG, electrolytes periodically. Permanently discontinue if QTc prolongation in combination with Torsade de pointes or polymorphic ventricular tachycardia or serious arrhythmia develop. Monitor HR and BP regularly; fasting serum glucose, lipase, amylase prior to initiation and periodically thereafter. Monitor for pulmonary symptoms as clinically indicated. Permanently discontinue if treatment-related interstitial lung disease (ILD)/pneumonitis, uncontrolled hyperglycemia, or life-threatening bradycardia occur. Severe hepatic impairment. Embryo-fetal toxicity. Advise to use effective contraception during and for 6 months (females of reproductive potential) or 3 months (males w. female partners; use condoms) after completion. Pregnancy: exclude status prior to initiation. Nursing mothers: not recommended (during and for 2 weeks after completion).