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RATIONALE: Monoclonal antibodies, such as rituximab, can block cancer growth in different ways. Some find cancer cells and kill them or carry cancer-killing substances to them. Others interfere with the ability of cancer cells to grow and spread. Drugs used in chemotherapy, such as methotrexate, leucovorin, vincristine, procarbazine, dexamethasone, and cytarabine, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Giving rituximab together with combination chemotherapy may kill more cancer cells.
PURPOSE: This phase II trial is studying how well giving rituximab together with combination chemotherapy works in treating patients with primary central nervous system (CNS) lymphoma.
- Determine the complete response rate.
- Determine the progression-free survival of these patients.
- Determine the proportion of progression-free and overall survival in these patients.
- Determine rituximab cerebrospinal fluid pharmacokinetics (only in patients requiring intrathecal chemotherapy).
OUTLINE: This is a multicenter study.
Patients receive rituximab IV 3 times weekly in weeks 1-4; high-dose methotrexate IV over 2 hours in weeks 1, 3, 5, and 9; oral or IV leucovorin calcium every 6 hours for 12 doses beginning 24 hours after the start of methotrexate in weeks 1, 3, 5, and 9; vincristine IV in weeks 1, 3, 5, 7, and 9; oral procarbazine hydrochloride daily on days 1-7 in weeks 1, 5, and 9; oral dexamethasone daily in weeks 1-6; and cytarabine IV over 2 hours twice weekly in weeks 11 and 14.
Patients with positive cerebrospinal fluid also receive methotrexate intrathecally and oral leucovorin calcium every 12 hours for 8 doses beginning 24 hours after the start of methotrexate in weeks 2, 4, 6, 8, and 10.
After completion of study treatment, patients are followed periodically for 5 years.
PROJECTED ACCRUAL: A total of 43 patients will be accrued for this study.
Masking: Open Label, Primary Purpose: Treatment
rituximab, cytarabine, dexamethasone, leucovorin calcium, methotrexate, procarbazine hydrochloride, vincristine sulfate
Stanford Cancer Center
National Cancer Institute (NCI)
Published on BioPortfolio: 2014-08-27T03:44:14-0400
Dexamethasone Compared With Prednisone During Induction Therapy and Methotrexate With or Without Leucovorin During Maintenance Therapy in Treating Patients With Newly Diagnosed High-Risk Acute Lymphoblastic Leukemia
RATIONALE: Drugs used in chemotherapy, such as dexamethasone, prednisone, methotrexate, and leucovorin calcium, work in different ways to stop cancer cells from dividing so they stop growi...
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Clinical Analysis of Combination Chemotherapy Using High Dose Methotrexate, Rituximab, and Vincristine with or without Procarbazine for Elderly Patients with Diffuse Large B-Cell Lymphoma of the Central Nervous System.
We studied the clinical effects of high-dose methotrexate(HD-MTX)combined with rituximab and vincristine in 5 elderly patients, aged 65-83 years, with diffuse large B-cell lymphoma of the central nerv...
The purpose of this study was to evaluate the feasibility and safety of ambulatory high-dose methotrexate (HDMTX) administration with oral hydration, alkalinization, and leucovorin rescue. HDMTX (12 g...
Whole-brain radiotherapy or autologous stem-cell transplantation as consolidation strategies after high-dose methotrexate-based chemoimmunotherapy in patients with primary CNS lymphoma: results of the second randomisation of the International Extranodal Lymphoma Study Group-32 phase 2 trial.
The International Extranodal Lymphoma Study Group-32 (IELSG32) trial is an international randomised phase 2 study that addresses two key clinical questions in the treatment of patients with newly diag...
Methotrexate toxicity in mucocutaneous areas is usually not associated with tissue eosinophilia. We describe a case of acute methotrexate-induced mucocutaneous erosions with interface dermatitis and e...
Procarbazine is a primary component of antineoplastic combination chemotherapy often used for the treatment of Hodgkin's lymphoma. It is believed that cytostatic and cytotoxic properties of procarbazi...
The active metabolite of FOLIC ACID. Leucovorin is used principally as its calcium salt as an antidote to folic acid antagonists which block the conversion of folic acid to folinic acid.
Congener of CYTARABINE that is metabolized to cytarabine and thereby maintains a more constant antineoplastic action.
A naphthalene derivative and CALCIMIMETIC AGENT that increases the sensitivity of PARATHYROID GLAND calcium-sensing receptors to serum calcium. This action reduces parathyroid hormone secretion and decreases serum calcium in the treatment of PARATHYROID DISEASES.
A pyrimidine nucleoside analog that is used mainly in the treatment of leukemia, especially acute non-lymphoblastic leukemia. Cytarabine is an antimetabolite antineoplastic agent that inhibits the synthesis of DNA. Its actions are specific for the S phase of the cell cycle. It also has antiviral and immunosuppressant properties. (From Martindale, The Extra Pharmacopoeia, 30th ed, p472)
A phenylethylamine derivative that acts as a calcium antagonist showing hemodynamic effects in patients with acute myocardial infarction.
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Cancer is not just one disease but many diseases. There are more than 100 different types of cancer. Most cancers are named for the organ or type of cell in which they start - for example, cancer that begins in the colon is called colon cancer; cancer th...