Video: Higher Initial Dose of Gleevec Achieved Better Early Responses than Standard Dose for Patients with Chronic Myeloi... (ades 3/4) lab abnormalities-including ne...)

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Video: Higher Initial Dose of Gleevec Achieved Better Early Responses than Standard Dose for Patients with Chronic Myeloid Leukemia

Date:6/13/2008

ades 3/4) lab abnormalities-including neutropenia (3.6%-48%), anemia (1%-42%), thrombocytopenia ( < 1%-33%), and hepatotoxicity (approx 5%) -- and severe adverse experiences (NCI Grades 3/4), including severe fluid retention (eg, pleural effusion, pulmonary edema, and ascites) and superficial edema (1.3%-11%), hemorrhage (1.8%-19%), and musculoskeletal pain (2%-9%) were reported among patients receiving Gleevec*. Severe fluid retention appears to be dose-related, was more common in the advanced phase studies (where the dosage was 600 mg/day), and is more common in the elderly.

Severe congestive heart failure and left ventricular dysfunction have occasionally been reported. Most of the patients with reported cardiac events have had other comorbidities and risk factors, including advanced age and previous medical history of cardiac disease. Patients with cardiac disease or risk factors for cardiac failure should be monitored carefully, and any patient with signs or symptoms consistent with cardiac failure should be evaluated and treated.

Dose adjustments may be necessary due to hepatotoxicity, other nonhematologic adverse reactions, or hematologic adverse reactions. Therapy with Gleevec was discontinued for drug-related adverse reactions in 2.4% to 5% of patients. Complete blood counts should be performed weekly for the first month, biweekly for the second month, and periodically thereafter as clinically indicated (for example, every 2-3 months).

A 25% decrease in the recommended dose should be used for patients with severe hepatic impairment.

Patients should be weighed and monitored regularly for signs and symptoms of edema, which can be serious or life-threatening. There have also been reports, including fatalities, of cardiac tamponade, cerebral edema, increased intracranial pressure, papilledema, and gastrointestinal (GI) perforation.

Bullous dermatologic reactions (e.g., erythema multiforme and Stevens- Johnson syndrome) have al
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Video: Higher Initial Dose of Gleevec Achieved Better Early Responses than Standard Dose for Patients with Chronic Myeloi...(ades 3/4) lab abnormalities-including ne...)