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[Different Prophylaxis Strategies for Central Nervous System Recurrence of Diffuse Large B-Cell Lymphoma]
Shuang Qu1, Li-Sheng Liao1, Yan-Bin Zheng2
1Department of Hematology, Shengli Clinical Medical College of Fujian Medical University Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, China.
Lenalidomide demonstrates a trend towards improved progression-free survival and overall survival compared to high-dose methotrexate (HD-MTX) for central nervous system (CNS) prophylaxis in diffuse large B-cell lymphoma (DLBCL) patients. Both strategies show comparable CNS relapse-free survival rates and are well-tolerated with no treatment-related deaths.
Area of Science:
- Hematology
- Oncology
- Clinical Pharmacology
Context:
- Diffuse large B-cell lymphoma (DLBCL) carries a significant risk of central nervous system (CNS) recurrence.
- Effective CNS prophylaxis is crucial for improving patient outcomes in DLBCL.
Purpose:
- To compare the efficacy and safety of lenalidomide versus high-dose methotrexate (HD-MTX) as CNS prophylaxis strategies in DLBCL patients.
- To evaluate the impact of these strategies on CNS relapse-free survival (CRFS), progression-free survival (PFS), and overall survival (OS).
Summary:
- A retrospective analysis of 200 DLBCL patients compared HD-MTX (n=120) and lenalidomide (n=80) for CNS prophylaxis.
- At median follow-up of 48 months, no significant differences in 4-year CRFS, PFS, or OS were observed between the groups (P > 0.05).
- Lenalidomide showed a trend towards improved PFS, particularly in high-risk subgroups, with comparable safety profiles and low rates of neutropenia with infection.
Impact:
- Lenalidomide represents a safe and well-tolerated alternative for CNS prophylaxis in DLBCL.
- This strategy may offer improved prognostic benefits, warranting further investigation in clinical practice.
- Findings contribute to optimizing treatment protocols for DLBCL patients at risk of CNS involvement.
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