IRCT20150706023084N6 IRCT 2020-08-17 Islamic Azad University Comparison of the effect of 2% Atorvastatin gel on clinical symptoms of knee osteoarthritis A comparative evaluation of the effect of 2% Atorvastatin gel versus Diclofenac gel on clinical symptoms of patients with knee osteoarthritis 2017-12-20 anticipated 40 Complete https://irct.ir/trial/42132 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Sampling was done randomly so that 40 people were selected using the numbers table. These people were randomly assigned through "Random Sequence Generation" method by random numbers table in Excel software and were divided into two Atorvastatin and Diclofenac groups, Blinding description: All patient who had the necessary condition to enter the study were assigned randomly into tow groups of drugs and drug-control. Patients and doctors were unaware of the medication or drug-control interventio, and patients and medication were coded by someone who did not intervene in the study. N/A Knee Osteoarthritis. Intervention 1: Intervention group: Atorvastatin Gel prepared by researcher, Knee local use, 2 times a day for 3 months. Intervention 2: Control group: diclofenac gel 1 % (Razak) ,2 times daily, for 3 months. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is Not having teachers available for consultation