IRCT20230721058871N1 IRCT 2023-07-27 Esfahan University of Medical Sciences systemic and intratympanic corticosteroid treatment in sensorineural hearing loss A comparative study of the effect of systemic and intratympanic corticosteroid treatment in improving vestibular tests in patients with sudden sensorineural hearing loss SSNHL with vestibular disorders 2023-08-23 anticipated 40 Complete https://irct.ir/trial/71608 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Randomization was done with the help of a table of random numbers and in a simple way. In this way, according to the number of participants in the study, the researcher puts his finger on a table number and moves up and left and generates random numbers. Then, based on the sample size of the research, a number of envelopes with aluminum wrappers, preparation and each of the random sequences created are recorded on a card and the cards are placed inside the envelopes in order. In order to maintain a random sequence, the outer surface of the envelopes is numbered in the same order. Finally, the lid of the letter envelopes is glued and placed in a box. At the time of registration of the participants, based on the order of entry of eligible participants into the study, one of the envelopes will be opened and the assigned group of that participant will be revealed. If the number is odd, the person is placed in the first group, and if the number is even, the person is placed in the second group. 2-3 sudden sensorineural hearing loss. Intervention 1: Intervention group: Systemic treatment. Oral treatment with prednisolone is at a dose of 1 mg per kilogram of body weight per day and with a maximum of 60 mg, which is done for 7 days and then stopped. Intervention 2: Intervention group: Intertympanic group. Intratympanic treatment is in the form of injecting one ampoule of methylprednisolone once every other day up to 3 times. No - There is not a plan to make this available Justification or reason for not sharing IPD is no more information