IRCT20220507054764N1 IRCT 2022-11-02 Ahvaz University of Medical Sciences Survey the effect of zinc gluconate on asthma Survey the effect of zinc gluconate supplementation on the serum levels of IL-35, oxidative stress, eosinophils and basophils status, spirometry test and clinical symptoms in patients with mild and moderate persistent allergic asthma. 2022-11-22 anticipated 62 Complete https://irct.ir/trial/65928 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: In this trial, random block method will be used to assign people to groups. In order to reduce the possibility of information bias, a double-blind method will be used. In this way, both the patients and researcher will be kept unaware of the type of treatment assigned to the patients. Also, in order to reduce the possibility of selection bias, Allocation Concealment method will be used after randomization and by using unit codes, Blinding description: In this study, the double-blind method will be used to reduce the possibility of information bias. In this way, both the patients and the researchers will be kept unaware of the type of treatment assigned to the subjects. For this purpose, zinc and placebo packages will be divided into A and B groups by someone outside the study. 3 allergic asthma. Intervention 1: Intervention group:. Intervention 2: Control group:. No - There is not a plan to make this available Justification or reason for not sharing IPD is The person's information will be confidential and the results will be as collective statistics