Overview Phase I Clinical Study of HY01 in Patients Status: Recruiting Trial end date: 2022-06-30 Target enrollment: Participant gender: Summary Phase I clinical study on the safety, tolerance, efficacy and pharmacokinetics of repeated intratympanic HY01 in patients with sudden sensorineural hearing loss. In this study, low-dose group and high-dose group were designed, 6 cases in each group. Phase: Phase 1 Details Lead Sponsor: Heyu (Suzhou) Pharmaceutical Technology Co., Ltd