A Phase 3 Study to Assess the Efficacy, Safety, and Tolerability of Itepekimab (Anti-IL-33 mAb) in Adult Japanese Participants With Inadequately-controlled Chronic Rhinosinusitis With Nasal Polyps

Inclusion Criteria: * Participants must be 18 years of age or older. * Participants with a history of CRSwNP for at least 1 year. * Participants must have at least one of the following features: * Prior sinonasal surgery for NP. * Worsening symptoms of CRS requiring treatment with SCS within the prior 1 year. * An endoscopic bilateral NPS of at least 5 out of maximum score of 8 (with a minimum score of 2 in each nasal cavity). * Ongoing symptoms (for at least 12 weeks before Visit 1) of: * Nasal congestion/blockade/obstruction with moderate or severe symptom (score of 2 or 3), AND * At least one of the following two symptoms: loss of smell or rhinorrhea (anterior/posterior). * Not currently on and have not been receiving INCS for at least one month. * A female participant is eligible to participate if she is not pregnant or breastfeeding, and at least 1 of the following conditions applies: * Is not a women of childbearing potential (WOCBP), OR * Is a WOCBP and agrees to use a contraceptive method that is highly effective, with a failure rate of \<1% during the study (at a minimum until 20 weeks after the last dose of study intervention). Exclusion Criteria: Participants are excluded from the study if any of the following criteria apply: * Participants with a history of clinically significant renal, hepatic, metabolic, neurologic, hematologic, ophthalmologic, respiratory (excluding those with asthma and AERD which may be included in the study), gastrointesti…