Amyloid : the international journal of experimental and clinical investigation : the official journal of the International Society of Amyloidosis
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The investigational monoclonal antibody PRX004 is designed to specifically target and deplete TTR amyloid. Here, we report on the safety, tolerability, pharmacokinetics, pharmacodynamics and preliminary clinical activity of PRX004 in patients with ATTRv amyloidosis. ⋯ PRX004 was well tolerated in patients with ATTRv amyloidosis and demonstrated potential clinical activity. A phase 2 randomised controlled trial in ATTR cardiomyopathy is ongoing (NCT05442047).
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Although sudden death (SD) is a recognized complication of cardiac amyloidosis, there is scarce data about its incidence, mechanisms, and predictors. The aim of this study was to describe incidence of SD and to analyze possible risk factors. ⋯ SD is more frequent in AL than in ATTR cardiac amyloidosis. SD is associated with different risk factors in both entities.