IRCT20200520047522N1 IRCT 2021-09-20 Yasouj University of Medical Sciences Evaluation of the effect of Teucrium Polium extract ointment in open wound healing of pilonidal sinus surgery Evaluation of the effect of Teucrium Polium extract ointment in open wound healing of pilonidal sinus surgery 2020-08-22 anticipated 132 Complete https://irct.ir/trial/48449 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Permuted block randomization, Blinding description: All samples are given a card with the group code and the date of re-referral in order to remind the patient and the contact number of the registered researcher, neither the researcher nor the surgeon is aware of how the samples are in the three groups. 3 Pilonidal sinus. Intervention 1: The first intervention group: Dressing with Teucrium polium.To prepare the ointment, the plant is dried according to standards and extracted with 70% ethanol and then evaporates in a rotary apparatus at 40° C and incubated at 37°C to dry extract and the extract is dissolved in distilled water. And then prepared at the base of osirine 10%.For two months the ointment will be applied daily after washing the wound, and then every seven or eight week until six months,it is evaluated in person by a doctor. Intervention 2: Second Intervention group: dressing with Osirin, which is prepared in the form of Osirine 10% by a pharmacist and it will be applied to the wound daily For two months and then and every seven to eight week until six months ,it is evaluated in person by a doctor. Intervention 3: Control group:Normal siline lovage. The wound is washed daily with Normal saline solution for up to two months and evaluated in person by a doctor every seven to eight week until six month in person by a doctor. 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