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Research Article: Clinical characteristics, treatment patterns, and survival in mantle cell lymphoma: a real-world cohort

Date Published: 2026-01-30

Abstract:
Mantle cell lymphoma is a rare, typically aggressive B-cell non-Hodgkin lymphoma that often presents at an advanced stage and carries substantial long-term mortality despite therapeutic advances. Multiple clinical, biological, and treatment-related factors may influence survival in these patients. To describe the clinical characteristics, treatment patterns, and overall survival of patients with mantle cell lymphoma at a high-complexity referral center in a middle-income country. This retrospective cohort included adult patients diagnosed and managed at a high-complexity referral center in Colombia between January 2016 and October 2025. Overall survival was the primary outcome. Survival estimates were obtained using Kaplan–Meier curves and compared with log-rank tests. A total of 41 patients were included, with 43.9% aged <65 years. Baseline clinical, laboratory, immunophenotypic, and cytological characteristics were similar across age groups, with most patients presenting with advanced disease, including Ann Arbor stage IV (66.7% vs. 72.3%) and high-risk MIPI classification (88.9% vs. 100%). First-line treatment differed by age, with younger patients more frequently receiving Nordic regimens and older patients receiving R-bendamustine; however, response rates were comparable. Overall survival did not differ significantly by sex, age group, Ann Arbor stage, or LDH levels. In contrast, MIPI category significantly predicted survival (log-rank p=0.017). This real-world cohort describes patients with mantle cell lymphoma presenting predominantly with advanced-stage, high-risk disease. Treatment approaches differed by age, with comparable overall responses across groups. The findings suggest that prognostic indices and functional status assessment may aid outcome evaluation in routine practice.

Introduction:
Mantle cell lymphoma is a rare, typically aggressive B-cell non-Hodgkin lymphoma that often presents at an advanced stage and carries substantial long-term mortality despite therapeutic advances. Multiple clinical, biological, and treatment-related factors may influence survival in these patients.

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