European journal of haematology
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Diffuse large B-cell lymphoma (DLBCL) can be classified as germinal center B cell-like (GCB) or activated B cell-like (ABC)/non-GCB based on cell-of-origin (COO) classification. This study evaluated the prognostic significance of COO classification in 250 patients diagnosed with de novo DLBCL who received R-CHOP therapy. We also assessed whether the genomic status of MYC, BCL2, or MYC/BCL2 double expression (DE) could provide additional prognostic information for DLBCL patients. ⋯ MYC-R and MYC/BCL2 DE are independent prognostic factors for DLBCL patients treated with R-CHOP. In this cohort, COO classification failed to stratify patient outcome.
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Randomized Controlled Trial Multicenter Study
Extending venous thromboembolism secondary prevention with apixaban in cancer patients: The EVE trial.
Cancer-associated venous thromboembolism (VTE) carries a high rate of recurrence and death. Guidelines recommend continued anticoagulation therapy as long as active cancer persists. Apixaban 2.5 mg twice daily is the FDA-approved dose for secondary prevention regardless of VTE causation. Whether this apixaban dose is appropriate for secondary VTE prevention in cancer patients is not clear. The rationale and design of this investigator initiated phase III, multicenter, randomized, double-blind, trial assessing apixaban 2.5 mg vs 5 mg twice daily for 12 months for the secondary VTE prevention in cancer patients (n = 370) who have completed 6 months (but no more than 12 months) of anticoagulation is provided (NCT03080883). ⋯ We anticipate these trial results to provide evidence supporting low-dose apixaban as a safe agent for secondary prevention of cancer-associated VTE for patients who have already completed 6-12 months of anticoagulation.
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Bortezomib with lenalidomide and dexamethasone (VRd) is a standard induction regimen for transplant-eligible patients with newly diagnosed multiple myeloma (NDMM). However, some patients discontinue VRd because of severe adverse events, despite its high efficacy. We aimed to study the efficacy of modified dose of VRd (VRd lite) in transplant-eligible patients with NDMM. ⋯ Our strategy consisting of VRd lite followed by ASCT is, thus, a highly effective and well-tolerated regimen resulting in durable responses in patients with NDMM.
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Pure red cell aplasia (PRCA) is an uncommon complication secondary to ABO mismatched allogeneic stem-cell transplantation (allo-HSCT). The best approach for PRCA after allo-HSCT remains unclear. We aim to report a single case with refractory PRCA post-ABO mismatched allo-HSCT resolved with daratumumab. ⋯ After receiving six doses of daratumumab, the patient had a marked reticulocyte response and consecutively become transfusion independent. In conclusion, Daratumumab is a human IgG1κ monoclonal antibody targeting CD38 and is used to treat multiple myeloma. The use of anti-CD38 therapy with daratumumab to target residual host plasma cells is safe and effective, and it can be considered in refractory recipients with PRCA after allo-HSCT secondary to ABO incompatibility.
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Inherited dysfibrinogenemia is a rare disorder, for which clinical studies related to the risk of bleeding or thrombosis and the type of causative mutation are scanty. ⋯ This study confirms the heterogeneity of clinical features in inherited dysfibrinogenemia, due to the wide spectrum of the causative mutations. Larger multicenter studies are needed to assess the definitive correlation of some mutations with bleeding or thrombosis.