IRCT20210216050387N1 IRCT 2021-03-27 Fasa University of Medical Sciences Evaluation of the effect of Althaea officinalis ointment in chronic low back pain relief Comparison of the analgesic effects of Topical application Althaea officinalis ointment and Piroxicam gel in patients with chronic low back pain 2021-04-21 anticipated 110 Complete https://irct.ir/trial/54411 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: A 2 groups will be studied and each of the letters A and B will be assigned to an intervention group, 6 possible modes for placing the letters A and B in will be considered in blocks of 4. 28 blocks of 4 will be considered. For concealment, the type of intervention is written in a random allocation sequence, placed in opaque sealed envelopes and are encoded on the envelopes in order, Blinding description: patients randomly divided into 2 groups of 55 people.One group receives Althaea officinalis ointment and the other group receives Piroxicam gel.The drugs are given to patients in coded containers and without names.This is a double-blind clinical trial (outcome assessor-patients). 3 low back pain. Intervention 1: Intervention group: 2.5 gr of 20% Althaea officinalis ointment produced in the laboratory of medicinal plants of Fasa University of Medical Sciences used topically twice a day for each person and Acetaminophen 500 mg tablets (manufactured by Zagros darou) once a day for 14 days. Intervention 2: Intervention group: 2 gr of 0.5% Piroxicam gel(manufactured by Razk laboratories), which is used twice a day for each person topically, and Acetaminophen 500 mg tablets(manufactured by Zagros darou) once a day for 14 days. 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 No more information