Overview Nasal Packing as a Drug Delivery System Postoperatively in Chronic Sinusitis With Polyposis Status: Completed Trial end date: 2012-06-01 Target enrollment: Participant gender: Summary That high-dose steroid applied to the nasal cavity immediately post-operatively will improve olfaction and healing following endoscopic sinus surgery. Phase: Phase 3 Details Lead Sponsor: University of MichiganCollaborator: American Rhinologic SocietyTreatments: Budesonide