Dose Escalation Study of Gleevec and Chlorambucil in Previously Treated Chronic Lymphocytic Leukemia Patients

The first cohort will receive Gleevec at 300 mg daily on days 1-10 and chlorambucil 8mg/m2/d from day 3-7. This will be repeated every 28 days. Cohort 2 will receive 400 mg Gleevec and Cohort 3 will receive 600 mg Gleevec. Each dose level may be expanded up to 6 patients if 1 of 3 patients experiences any dose limiting toxicities.