Rituximab in Treating Patients With Refractory or Recurrent Hairy Cell Leukemia Following Cladribine Therapy
Leukemia
About this trial
This is an interventional treatment trial for Leukemia focused on measuring progressive hairy cell leukemia, initial treatment, refractory hairy cell leukemia
Eligibility Criteria
DISEASE CHARACTERISTICS: Histologically proven hairy cell leukemia (HCL) Classic HCL Hairy cells in the bone marrow and/or peripheral blood which co-express CD20/CD25 or CD20/CD11c, and/or which are positive for tartrate resistant acid phophatase (TRAP) Prolymphocytic HCL variant Lymphoid cells in the bone marrow and/or peripheral blood with morphology intermediate between typical hairy cells and prolymphocytes, which co-express CD20/CD11c but lack CD25 expression, and which are negative for TRAP Progressive or recurrent disease after prior treatment with cladribine Greater than 1 month since standard dose cladribine OR Greater than 3 months since low dose cladribine PATIENT CHARACTERISTICS: Age: 18 and over Performance status: WHO 0-2 Life expectancy: At least 3 months Hematopoietic: Not specified Hepatic: Bilirubin no greater than 2.0 mg/dL Renal: Creatinine no greater than 2.3 mg/dL Cardiovascular: No serious cardiac disease Other: No acute or chronic infection HIV negative No psychosis Not pregnant or nursing No other prior or concurrent malignancy except carcinoma in situ of the cervix or basal cell or squamous cell skin cancer PRIOR CONCURRENT THERAPY: Biologic therapy: Not specified Chemotherapy: See Disease Characteristics Recovered from prior chemotherapy Endocrine therapy: Not specified Radiotherapy: Not specified Surgery: Not specified Other: Recovered from prior therapy No concurrent cytoreductive therapy
Sites / Locations
- Klinik Hirslanden