IRCT20221219056864N1 IRCT 2023-07-13 Shahid Beheshti University of Medical Sciences Investigating the effect of alpha lipoic acid on the amount of saliva in head and neck cancer patients undergoing radiotherapy Investigation The effect of alpha-lipoid acid on saliva rate of the patients underwent radiotherapy of head and neck cancers 2023-07-23 anticipated 30 Complete https://irct.ir/trial/71183 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Other, Purpose: Treatment, Randomization description: Patients are randomly divided into two groups of 15 person with intervention (alpha lipoid acid) and control group (placebo). This work was done using the six-person random block design and using Excel software, and it is done in such a way that each person examined in the research is assigned to one of the intervention and control groups, Blinding description: The drugs are divided into two groups A and B by the supervisor, and the person who is in charge of examining and delivering the drugs and following up the patients at the same time (resident of oral and maxillofacial diseases) will be unaware of the contents of A and B. 3 Cancer patients undergoing cervical radiotherapy. Intervention group: Patients using 300 mg alpha-phaliboic acid capsules under the name of Elbik by Raha Pharmaceutical Company twice a day for three months, and the control group of patients using placebo with the same form and the same way of administration as the original drug. No - There is not a plan to make this available Justification or reason for not sharing IPD is no more information