A phase I/II trial of brentuximab vedotin plus rituximab as frontline therapy for patients with immunosuppression-associated CD30+ and/or EBV + lymphomas

William B. Pearse*, Adam M. Petrich, Leo I Gordon, Reem Karmali, Jane Norma Winter, Shuo Ma, Jason B Kaplan, Amir Behdad, Andreas Klein, Borko Jovanovic, Irene Helenowski, Sonali M. Smith, Andrew M. Evens, Barbara Pro

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Treatment strategies for post-transplant lymphoproliferative disorders (PTLD) consist of response-adapted risk-stratified methods using immunosuppression reduction, immunotherapy, and chemotherapy. We investigated the efficacy of Brentuximab vedotin given concurrently with Rituximab (BV + R) once weekly for four weeks, followed by optional consolidation, and up to one year of maintenance. Among 20 assessable patients, BV + R therapy resulted in an overall response rate of 75% (95% CI 51 to 91, p = 0.044) with 60% achieving a complete response. Median time to best response was 28 days. Two-year progression-free survival and overall survival rates were 75 and 90%, respectively. Most common severe grade 3/4 treatment-related toxicities included neutropenia (40%), hypertension (30%), infection (25%), and peripheral neuropathy (15%). BV + R is a novel and effective therapeutic strategy that achieved rapid and durable remissions in previously untreated PTLD patients; however, this treatment platform requires further modification due to the high rates of treatment-related toxicity.Key points Brentuximab vedotin + Rituximab showed ORR and CR rates of 75 and 60% in patients with immunosuppression-associated lymphoid malignancies High rates of treatment delay were attributed to treatment-related toxicity; further dosing optimization of this regimen is required.

Original languageEnglish (US)
JournalLeukemia and Lymphoma
DOIs
StateAccepted/In press - 2021

Keywords

  • antibody-based immunotherapy
  • Chemotherapeutic approaches
  • lymphoma and Hodgkin disease

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Cancer Research

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