ABT-263
Drug150 mg of ABT-263 is taken orally once daily on Days 1-5 or Days 1-3 of each 21 day cycle. 150 mg of ABT-263 on Days 1-3, 8-10 and 15-17 of each 28-day cycle. This is a dose escalation study, therefore the dose of ABT-263 will change throughout the study.