Severe Immune Effector Cell-Associated Neurotoxicity Syndrome in a Patient With Multiple Myeloma Treated With Elranatamab
2024

Severe Neurotoxicity in Multiple Myeloma Patient Treated with Elranatamab

Sample size: 1 publication Evidence: low

Author Information

Author(s): Muacevic Alexander, Adler John R, Kikuchi Taku, Kunisada Kodai, Sato Kota, Tsukada Nobuhiro, Ishida Tadao

Primary Institution: Department of Hematology, Japanese Red Cross Medical Center, Tokyo, JPN

Hypothesis

What are the risk factors for severe immune effector cell-associated neurotoxicity syndrome (ICANS) in patients treated with elranatamab?

Conclusion

This case highlights the potential for severe neurotoxicity in patients treated with elranatamab, even in those without current neurological deficits.

Supporting Evidence

  • This is the first reported case of grade 4 ICANS in a patient treated with elranatamab.
  • The patient had a history of cerebral hemorrhage but no current neurological deficits.
  • High-dose methylprednisolone therapy was required to manage the severe neurotoxicity.

Takeaway

One patient with multiple myeloma experienced severe side effects from a new drug called elranatamab, showing that even people who seem healthy can have serious reactions.

Methodology

Case report detailing the clinical course and treatment of a patient with multiple myeloma who developed severe ICANS after elranatamab administration.

Potential Biases

Potential bias due to the lack of a control group and reliance on a single patient's experience.

Limitations

The findings are based on a single case report, limiting generalizability.

Participant Demographics

60-year-old woman with a history of multiple myeloma and cerebral hemorrhage.

Digital Object Identifier (DOI)

10.7759/cureus.74902

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