IRCT20100126003181N2 IRCT 2017-11-24 Vice-chancellor for research,Tehran University of Medical Sciences Study of the effect of Riluzole on tinnitus treatment The Effect of Riluzole on Tinnitus in Patients Referring to Amir Alam Hospital during 2017-18: A randomized, placebo-controlled clinical trial 2017-12-22 anticipated 48 Complete https://irct.ir/trial/3222 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Randomization will be done by 4 block size, Blinding description: Since the placebo is exactly the same as the original medicine, and when informed consent is informed, the patient is randomly assigned to one of the drug or placebo groups, so the patient is not aware of the type of medication. Also, the main investigator who examined the initial outcome will be blind to patient's drug type, because the allocation is done by another researcher. 3 Tinnitus. Intervention 1: Intervention group: Riluzole 50 mg oral tablet twice daily for three months. Intervention 2: Control group: Placebo (similar to the original drug) oral twice daily for three months. Undecided - It is not yet known if there will be a plan to make this available