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A phase III study of anti-B4-blocked ricin as adjuvant therapy post-autologous bone marrow transplant: CALGB 9254

  • Richard R. Furman
  • , Michael L. Grossbard
  • , Jeffrey L. Johnson
  • , Andrew L. Pecora
  • , Peter A. Cassileth
  • , Sin Ho Jung
  • , Bruce A. Peterson
  • , Lee M. Nadler
  • , Arnold Freedman
  • , Ruthee Lu Bayer
  • , Nancy L. Bartlett
  • , David D. Hurd
  • , Bruce D. Cheson

Research output: Contribution to journalArticlepeer-review

Abstract

Anti-B4-blocked ricin (anti-B4-bR) is a potent immunotoxin directed against the CD19 antigen. Previous phase I and II studies suggested a possible role for anti-B4-bR as consolidation after high-dose chemotherapy and autologous stem cell transplant. Cancer and Leukemia Group B (CALGB) 9254 is a phase III study which randomized 157 patients with B-cell lymphoma in complete remission following autologous transplant to treatment with anti-B4-bR or observation. With a median follow-up time for patients of 5.8 years, the median event-free survival for protocol treatment and observation are 2.1 and 2.9 years, respectively (p = 0.275). The median overall survival for treatment and observation are 6.1 years and not reached, respectively (p = 0.063). Therefore, no differences were found in event-free survival and overall survival between protocol treatment and observation, although there was a trend toward improved survival with observation. These data fail to support a role for anti-B4-bR as consolidative therapy after bone marrow transplant in patients with B-cell lymphoma.

Original languageEnglish
Pages (from-to)587-596
Number of pages10
JournalLeukemia and Lymphoma
Volume52
Issue number4
DOIs
StatePublished - Apr 2011

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Cancer Research

Keywords

  • Lymphoma
  • adjuvant therapy
  • anti-B4-blocked ricin
  • autologous transplant

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