Morbidity burden in survivors of multiple myeloma who underwent autologous transplantation: A Bone Marrow Transplantation Survivor Study

Mukta Arora, Yanjun Chen, Lindsey Hageman, Jessica Wu, Wendy Landier, Liton Francisco, Michelle Kung, Emily Ness, Alysia Bosworth, Merve Pamukcuoglu, Daniel J. Weisdorf, Stephen J. Forman, Saro H. Armenian, Smita Bhatia

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Autologous blood or bone marrow transplantation (aBMT) is considered the standard of care for patients with multiple myeloma (MM). Significantly improved survival necessitates an understanding of the morbidity burden borne by the growing survivor population. Methods: The authors evaluated severe and/or life-threatening chronic health conditions (CHCs) and subsequent neoplasms (SNs) in patients with MM who were treated with aBMT using the Bone Marrow Transplant Survivor Study. A total of 630 study participants had undergone aBMT for MM at 1 of 3 BMT centers, had survived ≥2 years after aBMT, and were aged ≥18 years at the time of survey completion. Survivors of aBMT identified 289 nearest-age siblings to constitute an unaffected comparison group. Scoring of CHCs was based on version 5 of the National Cancer Institute Common Terminology Criteria for Adverse Events to determine severity (with grade 3 indicating serious and grade 4 indicating life-threatening). Results: The 10-year cumulative incidence of any grade 3 to 4 CHC among survivors of aBMT was 57.6 ± 3.2%. Survivors of MM were found to be at 40% higher odds of developing grade 3 to 4 CHCs when compared with siblings (95% confidence interval [95% CI], 1.0-1.9). Among SNs, 96% were solid tumors, yielding a 10-year cumulative incidence of 13.6% ± 2.5%. Pre-aBMT exposure to cyclophosphamide (hazard ratio [HR], 3.5; 95% CI, 1.5-8.1) and immunomodulatory drugs (HR, 3.9; 95% CI, 1.5-10.1) were associated with an increased risk of solid tumors. Melanoma (10-year cumulative incidence: 3.3% ± 1.2%) and squamous cell carcinoma (10-year cumulative incidence: 5.1% ± 1.8%), were the most common SNs. Pre-aBMT exposure to cyclophosphamide (HR, 6.02; 95% CI, 1.4-26.1) and immunomodulatory drugs (HR, 7.9; 95% CI, 0.9-68.5) was associated with an increased risk of melanoma. Conclusions: The 10-year cumulative incidence of severe and/or life-threatening CHCs was found to approach 60% in long-term survivors of MM, with solid SNs constituting a large morbidity burden. The current study has provided evidence supporting the close monitoring of survivors to manage morbidity.

Original languageEnglish (US)
Pages (from-to)3322-3329
Number of pages8
JournalCancer
Volume126
Issue number14
DOIs
StatePublished - Jul 15 2020

Bibliographical note

Funding Information:
Supported by grants from the National Cancer Institute (R01 CA078938) and the Leukemia and Lymphoma Society (R6502‐16) (to Smita Bhatia).

Publisher Copyright:
© 2020 American Cancer Society

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

  • autografts
  • hematopoietic stem cell transplantation
  • long-term survivors
  • multiple myeloma
  • second neoplasms

PubMed: MeSH publication types

  • Journal Article
  • Multicenter Study
  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

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