Study Assessing the Safety and Efficacy of ABT-263 in Subjects With B-cell Chronic Lymphocytic Leukemia (CLL) Who Have Failed at Least One Prior Fludarabine-containing Regimen

"Continuous dosing until disease progression using one of the following formulations:~25 mg/mL oral solution OR 50 mg/mL oral solution OR 2.0 grams/bottle powder for oral solution of 25 mg/mL when mixed OR 2.0 grams/bottle powder for oral solution of 50 mg/mL when mixed"