IRCT20190722044303N1 IRCT 2019-12-25 Iran University of Medical Sciences The Effects of Coenzyme Q10 Supplementation in Pediatrics with Chronic Kideny Disease : A Randomized, Paralleled, Double blind, Controlled clinical trial co Q10 The Effects of Coenzyme Q10 Supplementation in Pediatrics with Chronic Kideny Disease stage 2 - 4 : A Randomized, Paralleled, Double blind, Controlled clinical trial 2019-08-22 anticipated 60 Complete https://irct.ir/trial/41020 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Patients will be randomly divided into control and intervention groups using Blocked Randomization method. In this method, computer generated block sizes of 4 with equal probability will be used to enter eligible patients into one of the groups, intervention (Group B) and control (Group A). Initially one of the blocks will be randomly selected and the blocks will be repeatedly used to enter all eligible patients into one of the two groups. Patients in the intervention group (Group B) will be treated with the usual treatment regimen, plus Co Q10, 3 mg / kg and up to 100 mg daily for 3 months. In the control group, patients will receive only the usual treatment regimen, Blinding description: In this study, the physician and participants are blind. After the diagnosis of the disease, the physician will give the patients the envelopes on which A or B are written. The patient will deliver the envelope to the investigator, and after checking the inclusion and exclusion criteria of the study, the patient will be assigned to either the control (A) or intervention (B) groups based on the envelopes. Only the investigator knows which group is intervention and which group is control. N/A Chronic Kidney Disease. Intervention 1: Intervention group: After entering the trial, patients will be prescribed to take co enzyme Q10 supplement from Nutri Century Corporation 3 mg per kg up to 100 mg daily adjuvant to their routine medication. Intervention 2: Control group: After entering the trial, patients will only receive their routine medications without Q10. Blood and urine tests will be taken at time 0 and three months after taking Q10. No - There is not a plan to make this available Justification or reason for not sharing IPD is No more information