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Evolving Frontline Immunochemotherapy for Mantle Cell Lymphoma and the Impact on Survival Outcomes
Journal article   Open access   Peer reviewed

Evolving Frontline Immunochemotherapy for Mantle Cell Lymphoma and the Impact on Survival Outcomes

Alessia Castellino, Yucai Wang, Melissa C Larson, Matthew J Maurer, Brian K Link, Umar Farooq, Andrew Feldman, Sergei I Syrbu, Thomas M Habermann, Jonas Paludo, …
Blood advances, Vol.6(4), pp.1350-1360
10/18/2021
DOI: 10.1182/bloodadvances.2021005715
PMCID: PMC8864651
PMID: 34662895
url
https://doi.org/10.1182/bloodadvances.2021005715View
Published (Version of record) Open Access

Abstract

With the advances in mantle cell lymphoma (MCL) frontline treatment over the last two decades, we sought to characterize the frontline treatment pattern change and its association with outcomes. Patients with newly diagnosed MCL from September 2002 through June 2015 were enrolled in a prospective cohort study, and clinical characteristics, treatment, and clinical outcomes were compared between patients diagnosed in 2002-2009 (Era 1) vs 2010-2015 (Era 2). Patient age, sex and simplified MIPI score were similar between the two groups. In patients with an age ≤65, there were less use of R-Hyper-CVAD (16.1% vs 8.8%) but more Nordic and R-CHOP/R-DHAP regimens (1.1% vs 26.4%), and less use of R-CHOP/R-CHOP-like regimen (64.5% vs 35.2%) but more R-Bendamustine (0% vs 12.1%) in Era 2 (p<0.001). These changes were associated with improved EFS (5-year 34.3% vs 50.0%, p=0.010) and OS (5-year 68.8% vs 81.6%, p=0.017) in Era 2. In patients with an age >65, there were less use of R-CHOP/R-CHOP-like (39.0% vs 14.3%) and non-standard systemic therapy (36.6% vs 13.0%) but more R-Bendamustine (0% vs 49.4%). These changes were associated with a trend for improved EFS (5-year 25.4% vs 37.5%, p=0.051) in Era 2. The shift from R-CHOP/R-CHOP-like regimen to R-Bendamustine was associated with improved EFS (5-year 25.0% vs 44.6%, p=0.008) in Era 2. Results from this prospective cohort study provide critical real-world evidence for improved outcomes with evolving frontline pattern of care in patients with MCL.

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