IBCL-054 The Effects of an mRNA COVID-19 Vaccine Booster on Immune Responses in Cancer-Bearing Veterans

Arthur Frankel, Tazio Capozzola, Raiees Andrabi, Chul Ahn, Dennis Burton

Research output: Contribution to journalArticlepeer-review

Abstract

Serum antibodies to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein are surrogate markers of immune response. We evaluated antibody levels pre and post third vaccine (booster) and compared responses among different cancer-bearing and normal veterans. Both total and neutralizing antibody levels increased in most subjects after the booster, but the frequency and magnitude of responses were lower in patients with B-cell malignancies undergoing therapy. Neutralizing antibody responses to omicron variants were reduced relative to wild-type and other variants. Additional prevention and prophylactic measures are warranted for poor vaccine responders.

Original languageEnglish (US)
Pages (from-to)S383-S384
JournalClinical Lymphoma, Myeloma and Leukemia
Volume22
DOIs
StatePublished - Oct 2022

Keywords

  • B-cell malignancies
  • IBCL
  • antibodies
  • cancer
  • coronavirus
  • vaccine

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Cancer Research

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