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1.
EClinicalMedicine ; 66: 102318, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-38024477

RESUMO

Background: Replacement of carmustine (BCNU) in the BEAM regimen (BCNU, etoposide, cytarabine, melphalan) with bendamustine (BendaEAM) before autologous stem cell transplantation (ASCT) is feasible in lymphoma. However, randomised trials are lacking. Here, we present the first trial addressing this topic. Methods: This multicentre, randomised, phase 2 study (BEB-trial) conducted at four haematological centres in Austria and Switzerland compares BEAM with BendaEAM in patients with relapsed lymphoma. Both regimens were administered intravenously before ASCT, in BEAM according to the standard protocol (300 mg/m2 BCNU on day -6), in BendaEAM, BCNU was replaced by 200 mg/m2 bendamustine given on days -7 and -6. Eligible patients were aged 18-75 years and had mantle cell lymphoma, diffuse large B-cell lymphoma, or follicular lymphoma in first or second remission or chemosensitive relapse. The primary endpoint of the study was to evaluate whether replacement of BCNU by bendamustine reduces lung toxicity, defined as a decrease of the diffusion capacity of the lung for carbon monoxide by at least 20% at three months after ASCT. Data analyses were performed on an intention-to-treat basis. This study is registered with ClinicalTrials.gov, number NCT02278796, and is complete. Findings: Between April 20, 2015, and November 28, 2018, 108 patients were enrolled; of whom 53 were randomly assigned to receive BendaEAM (36 male, 17 female) and 55 to receive BEAM (39 male, 16 female). All patients engrafted rapidly. Lung toxicity did not differ between groups (BendaEAM: n = 8, 19.5%; BEAM: n = 11, 25.6%; risk difference = -6.1%: 95% confidence interval: -23.9% to 11.7%). Acute toxicities of at least grade 3 were comparable in both groups (BendaEAM: 35.8%, BEAM: 30.9%). Overall survival (BendaEAM: 92.5%, BEAM: 89.1%) and complete remission (BendaEAM: 76.7%, BEAM: 74.3%) after 1 year (median follow-up: 369 days) were similar. No difference in quality of life was observed. Interpretation: Results were similar for both regimens in terms of survival and response rates. A phase 3 non-inferiority study is required to investigate whether BendaEAM can be considered as an alternative to BEAM. Funding: Mundipharma.

2.
J Clin Med ; 11(18)2022 Sep 13.
Artigo em Inglês | MEDLINE | ID: mdl-36143025

RESUMO

The prognosis for patients with CD30+ lymphomas (Hodgkin lymphoma and various T-cell lymphomas) relapsing after autologous stem cell transplantation (ASCT) is critical. Brentuximab vedotin (BV), an ADC targeting CD30, is an obvious candidate for inclusion into high-dose chemotherapy (HDCT) regimens to improve outcomes. This single center phase I trial investigated 12 patients with CD30+ lymphoma (AITL: n = 5; relapsed HL: n = 7; median of two previous treatment lines) undergoing ASCT. In a 3 + 3 dose escalation design, 12 patients received a single BV dose at three dose levels (DL) (0.9/1.2/1.8 mg/kg b.w.) prior to standard BeEAM. All patients were treated as planned; no dose limiting toxicities (DLTs) occurred at DL 1 and 2. At DL 3, one DLT (paralytic ileus, fully recovering) occurred. Grade III febrile neutropenia occurred in one patient, and two others had septic complications, all fully recovering. Median hospitalization was 23 days. Hematologic recovery was normal. Six of twelve (50%) patients achieved CR. PFS and OS at 1 year were 67% (n = 8/12) and 83% (n = 10/12), respectively. The addition of brentuximab to standard BeEAM HDCT seems to be safe. We observed a CR rate of 75% post-ASCT in a highly pretreated population. The efficacy of this novel HDCT combination with BV at a 1.8 mg/kg dose level needs to be explored in larger studies.

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