Efficacy of Disease-Modifying Treatments in Transthyretin Amyloid Cardiomyopathy: A Systematic Review and Meta-Analysis of Five Phase III Randomized Controlled Trials

Background Several disease-modifying agents for transthyretin amyloid cardiomyopathy (ATTR-CM) have been investigated, but differences in trial design and background stabilizer use complicate interpretation of their efficacy. This meta-analysis assessed their efficacy overall and by background stabilizer use. Methods PubMed, Embase, and the Cochrane Library were searched through September 2026 for phase III randomized, placebo-controlled trials of disease-modifying therapy in ATTR-CM. Primary endpoints were all-cause mortality, 6-minute walk distance (6MWD), Kansas City Cardiomyopathy Question

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