Overview Hearing Preservation Using Dexamethasone and Hyaluronic Acid for Cochlear Implantation Status: Completed Trial end date: 2014-01-01 Target enrollment: Participant gender: Summary The objective of the present study is to investigate the effect dexamethasone and hyaluronic acid have on hearing preservation Phase: Phase 2 Details Lead Sponsor: University of Sao Paulo General HospitalTreatments: BB 1101DexamethasoneDexamethasone 21-phosphateDexamethasone acetateHyaluronic Acid