IRCT20201210049670N1 IRCT 2020-12-20 Shahid Beheshti University of Medical Sciences The effect of Olibanum (Boswellia serrata) gel on clinical symptoms in patients with Osteoarthritis of the knee The effect of Olibanum (Boswellia serrata) gel on clinical symptoms in patients with Osteoarthritis of the knee - a double-blind, placebo-controlled, randomized trials 2021-01-20 anticipated 86 Complete https://irct.ir/trial/52960 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Patients are divided into two groups of intervention and control using a simple randomization method prepared by Excel software (table of random numbers). Randomization unit: individual, Blinding description: The drugs will be packaged in such a way that the treating physician and patients will not be informed of its contents. (Double blind) Researchers will also be unaware of the type of ointment until the end of the study. 3 Knee osteoarthritis. Intervention 1: Intervention group: Olibanum (Boswellia serrata) gel gel; Prepared on the basis of 2%Olibanum. To prepare 100 g of gel, 2 g of frankincense is extracted using propylene glycol solvent: water in a ratio of 80 to 20 is extracted by massaging method. The gel is made using the prepared extract, carbomer 940 (1%), soda and distilled water. Physicochemical and microbial quality control tests are performed on the product. Intervention 2: Control group: placebo; Also, using carbomer 940, distilled water and titanium dioxide are prepared as dyes. 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 There is no more information