Dissemin is shutting down on January 1st, 2025

Published in

MDPI, Journal of Personalized Medicine, 3(12), p. 484, 2022

DOI: 10.3390/jpm12030484

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Daratumumab in AL Amyloidosis: A Real-Life Experience of the “RTM” (Regional Tuscan Myeloma Network)

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

Abstract

Systemic amyloidosis arises from monoclonal CD38+ plasma cells that produce misfolded immunoglobulin light chains, which form amyloid fibrils that are deposited into different tissues, leading to organ damage. Daratumumab is a human IgG/k monoclonal antibody that targets CD38, a glycoprotein uniformly expressed on human plasma cells. Daratumumab has been utilized in recent years with unprecedented responses in multiple myeloma. In patients with relapsed or refractory AL amyloidosis, daratumumab has shown promising efficacy in terms of hematologic responses and improvement in organ function. Here, we report real-life treatment with Daratumumab in 33 AL amyloidosis patients treated within the Regional Tuscan Myeloma network at 5 centers with associated MGUS or SMM (n = 15) or symptomatic MM (n = 18). Patients were treated at relapsed/refractory disease stages (n = 29) with a median of one previous line of therapy or at diagnosis (n = 4). Daratumumab showed good efficacy, representing 60% of good hematological responses and 50% of organ responses in a real-life population of patients with an acceptable toxicity profile.