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July 19, 2026Annals of HematologyOpen Access

Acalabrutinib in patients with mantle cell lymphoma subjected to allogeneic hematopoietic cell transplantation. a phase 2 study by the Polish Lymphoma Research Group (PLRG12 trial)

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Authors

SGSebastian GiebelSilesian University of TechnologyACAnna CzyżWroclaw Medical UniversityIHIwona HusMinistry of Interior

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Implication

Phase 2 trial evaluates acalabrutinib's efficacy and safety in relapsed MCL before and after transplantation.

Key Points

  • This trial investigates the effectiveness of acalabrutinib in managing tumor burden before and after allo-HCT in patients with relapsed mantle cell lymphoma.
  • Phase 2 trial involving 28 patients treated with acalabrutinib 100 mg BID for 3-6 months.
  • Patients achieving CR or PR were referred for allo-HCT, followed by acalabrutinib maintenance.
  • Adverse events were monitored, with specific attention to severe complications.
  • Overall response rate was 57% with 50% achieving CR and 7% PR.
  • Two-year overall survival was 60% (95% CI, 40-79); progression-free survival was 41.5% (23-60).
  • 79% of patients experienced grade 3-4 adverse events, with infections being the most common.

Cite This Study

Giebel et al. (2026) studied this question.

synapsesocial.com/papers/6a5c6970118b92953e3edcbbhttps://doi.org/10.1007/s00277-026-07178-8
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Phase 1/2 multicenter trial of acalabrutinib in Chinese patients with relapsed/refractory mantle cell lymphoma2024 · 3 citations
  2. 2Acalabrutinib Plus Bendamustine-Rituximab in Untreated Mantle Cell Lymphoma2025 · 63 citations
  3. 3Safety and efficacy of acalabrutinib plus bendamustine and rituximab in patients with treatment-naïve or relapsed/refractory mantle cell lymphoma: phase Ib trial2024 · 8 citations
  4. 4Final phase 2 study results of acalabrutinib in treatment-naive and relapsed/refractory chronic lymphocytic leukemia2026 · 1 citations
  5. 5Efficacy of acalabrutinib in treatment-naive Mantle Cell Lymphoma: A systematic review and meta-analysis2025 · 1 citations