This is a parallel group, Phase 3, 2-arm study for treatment. The purpose of this study is to evaluate dupilumab subcutaneous (SC) injections compared to placebo in Chinese adult participants with CRSwNP, on a background therapy with intranasal corticosteroids (budesonide nasal spray). Study details include: * The study duration will be up to 40 weeks. * The treatment duration will be up to 24 weeks. * The number of visits will be 7.
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Change From Baseline in Nasal Polyps Score at Week 24
Timeframe: Baseline (Day 1) and Week 24