The aim of this study was to compare the efficacy of famotidine with placebo in reducing the use of olanzapine induced weight gain in patients with psychiatric disorders.This is a double-blind randomised placebo controlled clinical trial.20 to 55-year-old patients with psychiatric disorders other drugs, the effects produced are obese, do not receive , if indications are treated with olanzapine.Before olanzapine, body mass index and weight will be recorded.By assistant psychiatry, history of psychiatric problems, physical problems and side effects of medicines taken and physical examination and mental status examination will be done.The total number of participants is 44 people.
Patients in both treatment and control groups of 22 individuals participated in the study. Then a group of patients, is given 40 mg famotidine at 8 am and the other group is given placebo at 8 am each day for 2 months.
Patients were treated for two months weight, body mass index measured in weeks 6,4,2,0 and 8.In the case of discharge in the middle of the project, patients are followed at home by telephone.It should be noted that placebo famotidine in order to accept the cost of the project will be made by the School of Pharmacy, University Jundishapur in shape, size and color used with the drug famotidine quite similar.