iScience (Sep 2024)

Low booster uptake in cancer patients despite health benefits

  • Jane C. Figueiredo,
  • Julia Levy,
  • So Yung Choi,
  • Alexander M. Xu,
  • Noah M. Merin,
  • Omid Hamid,
  • Tucker Lemos,
  • Nathalie Nguyen,
  • Maimoona Nadri,
  • Alma Gonzalez,
  • Simeon Mahov,
  • Justin M. Darrah,
  • Jun Gong,
  • Ronald L. Paquette,
  • Alain C. Mita,
  • Robert A. Vescio,
  • Sarah J. Salvy,
  • Inderjit Mehmi,
  • Andrew E. Hendifar,
  • Ronald Natale,
  • Warren G. Tourtellotte,
  • V. Krishnan Ramanujan,
  • Carissa A. Huynh,
  • Kimia Sobhani,
  • Karen L. Reckamp,
  • Akil A. Merchant

Journal volume & issue
Vol. 27, no. 9
p. 110596

Abstract

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Summary: Patients with cancer are at increased risk of death from COVID-19 and have reduced immune responses to SARS-CoV2 vaccines, necessitating regular boosters. We performed comprehensive chart reviews, surveys of patients attitudes, serology for SARS-CoV-2 antibodies and T cell receptor (TCR) β sequencing for cellular responses on a cohort of 982 cancer patients receiving active cancer therapy accrued between November-3-2020 and Mar-31-2023. We found that 92 · 3% of patients received the primer vaccine, 70 · 8% received one monovalent booster, but only 30 · 1% received a bivalent booster. Booster uptake was lower under age 50, and among African American or Hispanic patients. Nearly all patients seroconverted after 2+ booster vaccinations (>99%) and improved cellular responses, demonstrating that repeated boosters could overcome poor response to vaccination. Receipt of booster vaccinations was associated with a lower risk of all-cause mortality (HR = 0 · 61, p = 0 · 024). Booster uptake in high-risk cancer patients remains low and strategies to encourage booster uptake are needed.

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