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Study aim
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Determining the effect of using tarragon oil on the amount of pain, joint dryness and physical function of the knee in patients with chronic osteoarthritis.
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Design
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In this one-blind study, 90 people will be randomly divided into three groups including: tarragon oil group, sesame oil group and control group.
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Settings and conduct
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90 people who referred to the rheumatologist's office in Shafa doctors building , who met the conditions to enter the study, were selected and randomly assigned to three groups: the first group used tarragon oil made by the Faculty of Pharmacy of Birjand University of Medical Sciences, and the second group used sesame oil. Barij company will use essential oil and the third group will continue their daily life. One-sided blind: the participants will be unaware of the intervention groups and the type of interventions in the other groups.
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Participants/Inclusion and exclusion criteria
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Entry conditions: age 30-70 years, pain score ≥ 4 in the last 3 months, diagnosis of knee osteoarthritis by a rheumatologist, written and informed consent, no cancer, pregnancy and blood coagulation disease such as hemophilia, no wound above the knee joint and symptoms of acute infection in the knee joint, no skin lesion in the knee area, no surgery for knee joint replacement or steroid injection, no history of allergic reaction to sesame oil or tarragon, no lower limb abnormalities; Conditions of non-entry: consumption of oral and topical steroids within 14 days, alcohol addiction and narcotic drugs, suffering from radiculopathy and neuropathy, patients with musculoskeletal diseases, allergic reaction to sesame oil or products derived from tarragon.
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Intervention groups
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3 groups: 1- Use of tarragon oil, 2- Use of sesame oil, 3- Control group that will not perform any of the above interventions.
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Main outcome variables
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Changes in pain score, joint stiffness and knee physical function