-
Study aim
-
The effectiveness of the combination of Memantine and Betahistine on the severity of insomnia, quality of life and severity of symptoms in people with primary tinnitus
-
Design
-
Phase 3 randomized clinical trial with parallel groups, with a control group, single-blind, will be conducted on 60 patients. For randomization, 15 blocks will be selected using the random number table (blocks of 4) so that the sample size reaches 60 people.
-
Settings and conduct
-
The research setting includes the neurology clinic of Vali Asr Medical Training Center in Zanjan and the research community includes all people with primary tinnitus who refer to the center. Individuals will be selected by the available method and then randomly assigned to the intervention group, Betahistine plus Memantine, and the control group, Betahistine plus placebo. In this study, only patients will be blinded.
-
Participants/Inclusion and exclusion criteria
-
Inclusion criteria: suffering from tinnitus disease for more than 3 months, age 18 to 60 years, having moderate intensity of insomnia.
Exclusion criteria: Tinnitus due to anatomical disorder, tumor, previous use of Memantine, history of high blood pressure, suffering from chronic and debilitating diseases, recognized mental illness, concurrent use of drugs that interfere with Memantine, contraindication to use of Memantine
-
Intervention groups
-
The intervention group will receive Betahistine tablets (8 mg daily) plus Memantine for up to three months. The schedule for receiving Memantine is as follows: Day 1 to 7: 5 mg; 8th to 14th day: 5 mg twice a day; 15th to 21st day: 5 mg in the morning and 10 mg in the evening; From the 22nd day to the 90th day, 10 mg twice a day
The control group will receive Betahistine tablets (8 mg daily) and placebo.
-
Main outcome variables
-
Severity of insomnia, quality of life and severity of tinnitus symptoms