Financial Data and Key Metrics Changes - In Q1 2024, Alnylam Pharmaceuticals reported total product revenues of 365million,reflectinga32264 million in global net product revenues, representing a 29% growth year-over-year [11][12] - The rare franchise delivered 101millionincombinedglobalnetproductrevenue,markinga402.4 billion, indicating a stable financial position [28] - The company reiterated its 2024 guidance for combined net product revenues between 1.4billionand1.5 billion, reflecting a growth rate of 13% to 21% [29] Q&A Session Summary Question: What is the relevant improvement over the control arm for HELIOS-B? - Management emphasized that delivering outcomes in the HELIOS-B study is crucial and that they are focused on demonstrating clinical significance in terms of mortality and hospitalization [34][36] Question: What would be the organizational changes if HELIOS-B succeeds or fails? - If HELIOS-B succeeds, no changes to spending guidance are anticipated. However, if it fails, prioritization across the business would be necessary [40][41] Question: How important is the ratio between hospitalization events and deaths in HELIOS-B? - Management indicated that both hospitalization and mortality events are clinically meaningful and should trend in the same direction [70][72] Question: What proportion of patients are mixed phenotype in ATTR? - It was noted that a significant proportion of patients with wild type ATTR may have concomitant polyneuropathy, highlighting the complexity of the disease [75][76] Question: Will subgroup information be shared in the top line release for HELIOS-B? - Management confirmed that they plan to provide information on primary and secondary endpoints, including subgroup analyses, during the top line results presentation [61][80]