RecruitingPhase 3Drug trialTRITON-PN: A Study to Evaluate the Efficacy and Safety of Nucresiran in Patients With Hereditary Transthyretin Amyloidosis With PolyneuropathyThe purpose of this study is to: * Determine the efficacy of nucresiran in patients with hATTR-PN by evaluating the effect on neurologic impairment, quality of life, nutritional status, disability, and gait speed * Demonstrate superiority of nucresiran compared to in-study vutrisiran with respect to serum transthyretin (TTR) levels