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Reviews

Measurable residual disease in multiple myeloma and light chain amyloidosis: more than meets the eye

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Pages 1544-1553 | Received 22 Oct 2020, Accepted 04 Jan 2021, Published online: 28 Jan 2021
 

Abstract

The emergence of highly effective multiple myeloma (MM) treatments may bring cure within reach and highlights the need for highly sensitive measurable residual disease (MRD) techniques to replace conventional response assessments. MRD is being incorporated as an endpoint in an increasing number of studies and had been repeatedly shown to be both a predictive marker of response to treatment and a prognostic marker for future relapse. However, those results should be cautiously interpreted due to non-uniform reporting and the need for longer follow up to assess for sustained MRD negativity. This review aims to critically analyze the key MRD aspects including the current evidence supporting the use of MRD in clinical practice and the pitfalls of the various methods used to assess MRD. The utility of MRD for light chain (AL) amyloidosis will also be discussed.

Disclosure statement

Dr. Gertz reports personal fees from Ionis/Akcea, personal fees from Alnylam, personal fees from Prothena, personal fees from Janssen, grants and personal fees from Spectrum, personal fees from Annexon, personal fees from Appellis, personal fees from Amgen, personal fees from Medscape, personal fees from Physicians Education Resource, personal fees for Data Safety Monitoring board from Abbvie and Celgene, personal fees from Research to Practice, workforce training Sanofi, speaker fees from Teva, Speaker fees from Johnson and Johnson; Speaker fees from Medscape, Speaker fees DAVA oncology; Advisory Board for Pharmacyclics Advisory Board for Proclara; Development of educational materials for i3Health.Educational Program development i3Health. Royalties from Springer Publishing. Stock Options Aurora Bio.

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