Study Status: RECRUITING
Recruit Status: RECRUITING
Study Type: INTERVENTIONAL
Official Title: Verification of the Efficacy / Safety of the Intratympanic Drug Delivery Vehicle for Treating Intractable Hearing Loss (Pilot Study)
Brief Summary: This study is a prospective, randomized pilot study.
To verify an efficacy and safety of the Intratympanic drug delivery vehicle, patients who have not responded to the existing standard treatment will be enrolled.
Hearing test, endoscopy of tympanic membrane and CT scans will be conducted after intratympanic treatment for evaluation.