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Article Abstract

Light chain amyloidosis and transthyretin amyloidosis are rare protein misfolding disorders characterized by amyloid deposition in organs, varied clinical manifestations, and poor outcomes. Amyloid fibrils trigger various signaling pathways that initiate cellular, metabolic, structural, and functional changes in the heart and other organs. Imaging modalities have advanced to enable detection of amyloid deposits in involved organs and to assess organ dysfunction, disease stage, prognosis, and treatment response. The Amyloidosis Forum hosted a hybrid meeting to focus on the use of imaging endpoints in clinical trials for systemic immunoglobulin light chain amyloidosis and transthyretin amyloidosis. Stakeholders from academia and industry, together with representatives from multiple regulatory agencies reviewed the use of imaging biomarkers with a focus on cardiac amyloidosis, described applications and limitations of imaging in clinical trials, and discussed qualification of imaging as a surrogate clinical outcome. Survey results provided important patient perspectives. This review summarizes the proceedings of the Amyloidosis Forum.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12161488PMC
http://dx.doi.org/10.1016/j.jcmg.2024.11.003DOI Listing

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