Treatment of Primary CNS Lymphoma ( FTD )

Primary CNS lymphoma (PCNSL) is a rare B-cell variant of non-Hodgkin lymphoma that is confined to the brain, leptomeninges, spinal cord, and eyes. The optimum treatment for patients with PCNSL remains challenging and at present there is no universally accepted therapeutic approach for patients with newly diagnosed disease. The purpose of this study is to evaluate the efficacy and safety of FTD regiment(fotemustine, temozolomide and dexamethasone)contrast with HD-MTX-Ara-C program for patients with primary CNS lymphoma.

Inclusion criteria

Age range 14-69 years old;KPS performance status≥60 or ECOG performance status 0-2; Estimated survival time > 3 months; Histological confirmed PCNSL; None of chemotherapy contraindication;At least one measurable lesion according to RECIST;None of other serious diseases;Patients could be followed up;None of other relative treatments including the traditional Chinese medicine, immunotherapy,biotherapy except anti-bone metastasis therapy and other symptomatic treatments.

volunteers who signed informed consent.

Exclusion criteria

Currently undergoing chemotherapy, radiotherapy and targeted therapy (received chemotherapy within 3 weeks, received radiotherapy within 2 weeks, or has not recovered from any previous treatment of acute toxicity);Patients with uncontrolled medical problems (including active infection, uncontrolled diabetes, severe heart, liver, kidney dysfunction and interstitial pneumonia, etc.); Pregnant or lactating women;Serious medical illness likely to interfere with participation;Chemotherapy contraindication such as cachexia; patients with other malignancies previously;Serious infection;The evidence of peripheral nervous disorder or dysphrenia; patients estimated to be unsuitable by investigato