COVID-19 infection in chronic myeloid leukaemia after one year of the pandemic in Italy. A Campus CML report

Br J Haematol. 2022 Feb;196(3):559-565. doi: 10.1111/bjh.17890. Epub 2021 Oct 11.

Abstract

Limited information is available on the impact of the COVID-19 pandemic on the management of chronic myeloid leukaemia (CML). The Campus CML network collected retrospective information on 8 665 CML patients followed at 46 centres throughout Italy during the pandemic between February 2020 and January 2021. Within this cohort, we recorded 217 SARS-CoV-2-positive patients (2·5%). Most patients (57%) were diagnosed as having SARS-CoV-2 infection during the second peak of the pandemic (September 2020 to January 2021). The majority (35%) was aged between 50 and 65 years with a male prevalence (73%). Fifty-six percent of patients presented concomitant comorbidities. The median time from CML diagnosis to SARS-CoV-2 infection was six years (three months to 18 years). Twenty-one patients (9·6%) required hospitalization without the need of respiratory assistance, 18 (8·2%) were hospitalized for respiratory assistance, 8 (3·6%) were admitted to an intensive care unit, while 170 (78%) were only quarantined. Twenty-three percent of patients discontinued tyrosine kinase inhibitor (TKI) therapy during the infection. Twelve patients died due to COVID-19 with a mortality rate of 5·5% in the positive cohort and of 0·13% in the whole cohort. We could also document sequelae caused by the SARS-CoV-2 infection and an impact of the pandemic on the overall management of CML patients.

Keywords: Covid-19; chronic myeloid leukemia; mortality; prognosis.

MeSH terms

  • Aged
  • COVID-19* / diagnosis
  • COVID-19* / mortality
  • COVID-19* / therapy
  • Disease-Free Survival
  • Female
  • Humans
  • Italy / epidemiology
  • Leukemia, Myelogenous, Chronic, BCR-ABL Positive* / mortality
  • Leukemia, Myelogenous, Chronic, BCR-ABL Positive* / therapy
  • Male
  • Middle Aged
  • Pandemics*
  • Retrospective Studies
  • SARS-CoV-2*
  • Survival Rate