IRCT20230417057946N1 IRCT 2023-04-24 Esfahan University of Medical Sciences selenium in tinnitus Investigating the effect of using selenium in the treatment of tinnitus 2023-05-22 anticipated 60 Complete https://irct.ir/trial/69678 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Based on the sample size of the research, a number of letter envelopes with aluminum wrappers (in order to make the content of the envelopes unclear), preparation and each of the random sequences created with the help of a random number table are recorded on a card and the cards inside the letter envelopes are They are placed 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 starting the registration of the participants, based on the order of entry into the study, one of the envelopes will be opened and the allocated group of that participant will be revealed in such a way that if the created number is odd, the patient will be in the first group and If the number is even, the patient is placed in the second group. 3 tinnitus. Intervention 1: Intervention group: treatment with selenium. In this group, patients are treated with 200 mg of selenium daily for up to 30 days. Selenium is prescribed in the form of a supplemental tablet made in Iran, under the license of Arnet Pharmaceutical Corp of the United States, after meals once a day for up to 30 days. Intervention 2: Control group: no treatment. No - There is not a plan to make this available Justification or reason for not sharing IPD is no more information