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U.S. Department of Health and Human Services

Safety

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Xeloda (capecitabine)

Audience: Oncologists, Pharmacists, and other healthcare professionals

FDA and Roche have added a BLACK BOX WARNING and strengthened the PRECAUTIONS section in the label for Xeloda, indicated for the treatment of colorectal and breast cancer. A clinically important XELODA-Warfarin drug interaction was demonstrated in a clinical pharmacology trial. Postmarketing reports have shown clinically significant increases in prothrombin time and INR in patients who were stabilized on anticoagulants at the time XELODA was introduced. Patients receiving concomitant capecitabine and oral coumarin-derivative anticoagulant therapy should have their anticoagulant response (INR or prothrombin time) monitored frequently in order to adjust the anticoagulant dose accordingly. The Patient Package Insert was also revised to reflect this new safety information.