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https://doi.org/10.1002/phar.4639
Copy DOIJournal: Pharmacotherapy | Publication Date: Dec 23, 2024 |
License type: CC BY-NC-ND 4.0 |
Transthyretin amyloidosis (ATTR) is a rare disease that results in amyloid fibril misfolding and deposition in multiple organs, including the heart, leading to the development of ATTR cardiomyopathy (ATTR-CM), which is associated with poor outcomes. In the last decade, several disease-modifying medications are in advanced stages of clinical development or have been approved to treat ATTR-CM. The purpose of this review is to critically evaluate clinical trial data investigating the use of approved and investigational medications for the treatment of ATTR-CM. We performed a comprehensive literature search via PubMed and EMBASE to identify randomized controlled trials evaluating medications for the treatment of ATTR-CM published through August 2024. This narrative review describes the pathophysiology of ATTR-CM, highlights important screening and diagnostic work-up, and summarizes the existing clinical evidence resulting from our literature search. Several classes of disease-modifying medications are in development for ATTR-CM. The tetramer stabilizers and transthyretin silencers have proven to be the most effective therapies to date. Tafamidis and acoramidis are currently approved for ATTR-CM while vutrisiran approval for ATTR-CM may be forthcoming. Other disease-modifying medication classes in development include antisense oligonucleotides, gene editing therapies, and monoclonal antibodies. However, several unmet needs exist including the lack of cost-effectiveness due to the extremely high acquisition costs of these medications. Disease-modifying medications approved and in development to treat ATTR-CM offer hope for patients with this disease, but their lack of affordability is the biggest barrier to their use.
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