Overview
Comparison of the efficacy and safety of rituximab combined with fotemustine, pemetrexed, dexamethasone and rituximab in combination with methotrexate, cytarabine and dexamethasone as first-line regimens in the treatment of primary central nervous system lymphoma
Description
This is an open, randomized, prospective, multicenter clinical study designed to compare the efficacy and safety of R-FPD and R-MAD as first-line regimens in the treatment of primary central nervous system lymphoma. A total of 20 patients plan to participate in the study. The primary endpoints were objective response rate (ORR) and progression-free survival (PFS) and secondary endpoints including overall survival (OS), and adverse events.
Eligibility
Inclusion Criteria:
Age 14-75 years old; KPS score ≥ 60 points or ECOG score ≤ 2 points; expected survival period of more than 3 months; CD20 positive; PCNSL confirmed by tissue biopsy pathology (limited to brain, spinal cord, meninges and eyes, without lymphoma involving other parts of the body); no chemotherapy contraindications (blood and physiological examination results <7 days); At least one measurable lesion according to the RECIST criteria; There are no other serious diseases that conflict with this plan; There is a possibility of follow-up; When using other anti-tumor drugs at different times during this treatment, bisphosphonate anti-bone transfer therapy and other symptomatic treatments may be applied; Can understand the situation of this study and sign the informed consent form. *: Pathological histology is subject to consultation by pathologists at provincial hospitals. Exclusion Criteria: Currently receiving other chemotherapy, radiotherapy and targeted therapy (chemotherapy within 3 weeks, radiotherapy within 2 weeks, or recovery from acute toxicity of any previous treatment); Pregnant or lactating women; There are any uncontrollable medical diseases (including active infection, uncontrolled diabetes, severe heart, liver, kidney dysfunction and interstitial pneumonia); combined with chemotherapy and other contraindications for chemotherapy; Those who have had other malignant tumors in the past; There are uncontrolled infected patients; Those who have a history of mental illness that is difficult to control; The investigator believes that it is not appropriate to participate in this test.