Cytomegalovirus and Epstein-Barr virus infection during daratumumab treatment in patients with multiple myeloma

Shuchan Li1,2, Gaofeng Zheng1,2, Jingsong He1,2

  • 1Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.

Leukemia & Lymphoma
|February 3, 2023
PubMed

Insights

Daratumumab treatment in multiple myeloma patients significantly increases the risk of cytomegalovirus (CMV) and Epstein-Barr virus (EBV) infections. These infections are linked to lower albumin, lymphocyte levels, and reduced NK and T cell counts post-treatment.

Area of Science:

  • Infectious Diseases
  • Hematology
  • Immunology

Background:

  • Multiple myeloma (MM) is a hematologic malignancy.
  • Daratumumab (Dara) is an effective treatment for relapsed/refractory MM (RRMM).
  • The impact of Dara on opportunistic infections like CMV and EBV is not fully understood.

Purpose of the Study:

  • To investigate the incidence of Epstein-Barr virus (EBV) and cytomegalovirus (CMV) infections in multiple myeloma patients receiving daratumumab.
  • To identify risk factors and clinical characteristics associated with these infections during daratumumab treatment.

Main Methods:

  • Retrospective analysis of 131 multiple myeloma patients.
  • Comparison of infection rates between patients treated with and without daratumumab.
  • Analysis of peripheral blood parameters including albumin, lymphocytes, NK cells, and T cell subsets.

Main Results:

  • CMV infection was significantly more common in the daratumumab group (16.98%) compared to the non-daratumumab group (2.56%).
  • Overall, 24.53% of patients developed CMV and/or EBV infections during daratumumab treatment.
  • Infections were associated with lower albumin and lymphocyte levels, and decreased NK and T cell counts post-treatment.

Conclusions:

  • Daratumumab treatment is associated with a higher incidence of CMV and EBV infections in multiple myeloma patients.
  • Monitoring for these viral infections and immune cell recovery is crucial during daratumumab therapy.
  • Further research is needed to elucidate the mechanisms underlying increased infection risk and immune modulation.