A Phase 3, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study to Evaluate the Efficacy and Safety of Lebrikizumab/LY3650150 in Participants With Chronic Rhinosinusitis With Nasal Polyps on Background Intranasal Corticosteroids

Inclusion Criteria: * Physician-diagnosed chronic rhinosinusitis (CRS) with bilateral nasal polyps (NP). * Prior treatment with systemic corticosteroids (SCS) within the last 2 years (or a medical contraindication or intolerance to SCS), prior surgery for NP, or both. * Endoscopic bilateral NPS score of at least 5 out of 8, with a minimum score of 2 in each nasal cavity performed at screening and baseline. * Ongoing symptoms for at least 8 weeks prior to study entry (screening), including: 1. Nasal congestion with moderate or severe symptom severity (score 2 or 3) at screening and a weekly…