Dasatinib With Fludarabine and Rituximab in Relapsed and Refractory CLL and SLL

Taken orally once a day on days 1-14 of each 28-day cycle

Given intravenously, 375 mg/m2 each cycle (dose split, given on Days 3+4 of cycle 1, variable after that).

Given intravenously, 25 mg/m2/day, for 3 doses per cycle (Days 3-5 in cycle 1, Days 1-3 after that)