Sprycel (dasatinib) tablets
Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) –
- In the newly diagnosed chronic phase CML trial with a minimum of 36 months follow up and median duration of therapy of 37 months, the median average daily dose was 99 mg.
- In the imatinib resistant or intolerant CML or Ph+ ALL clinical trials, 1520 patients had a minimum of 2 years follow up and 662 patients with chronic phase CML had a minimum of 60 months follow up (starting dosage 100 mg once daily, 140 mg once daily, 50 mg twice daily, or 70 mg twice daily). Among patients with chronic phase CML and resistance or intolerance to prior imatinib therapy, the median duration of treatment with Sprycel 100 mg once daily was 37 months (range 1–65 months). The median duration of treatment with...
- pulmonary arterial hypertension
WARNINGS and PRECAUTIONS
Congestive Heart Failure, Left Ventricular Dysfunction, and Myocardial Infarction
- Cardiac adverse reactions were reported in 5.8% of 258 patients taking Sprycel, including 1.6% of patients with cardiomyopathy, heart failure congestive, diastolic dysfunction, fatal myocardial infarction, and left ventricular dysfunction. Monitor patients for signs or symptoms consistent with cardiac dysfunction and treat appropriately.
Dose Adjustment for Adverse Reactions
- In clinical studies, myelosuppression was managed by dose interruption, dose reduction, or discontinuation of study therapy. Hematopoietic growth factor has been used in patients with resistant myelosuppression. Guidelines for dose modifications are summarized in Table 1.
(revision of the Adverse Reactions section of the package insert to include discontinuation rate due to myelosuppression to 5%)