Pain Relief Effect of Low-intensity Continuous Ultrasound Stimulator for Knee Arthritis

Subject: 35 osteoarthritis patients Evaluation measure: Visual Analogue Scale (VAS), McMaster Universities Osteoarthritis Index (WOMAC) Method: A total of 35 subjects were selected in consideration of the dropout rate of 20%. Selected subjects were treated as a single group without randomization, and an appropriate amount of gel was applied to the knee OA pain area for 4 weeks. A blinded evaluation at baseline and after treat-ment was made. Primary outcome was pain on movement assessed by the VAS index. Secondary outcomes consisted of the WOMAC scores.

Inclusion criteria

• Patients aged 40 to 60 years with pain due to OA of the knee and able to walk voluntarily
• Those who have more than one osteophyte in the tibiofemoral joint on radiographic findings (Kellgren-Lawrence gradesⅡ,Ⅲ)
• At visit 1 (screening) and visit 2, the pain status during knee OA activity was 100 mm pain VAS, as a result, those who are over 40mm
• If the Kellgren & Lawrence Grades are the same, target the one with the higher 100mm pain VAS
• Patients who are willing or able to follow the doctor's instructions, including joint movements
• Persons who can comply with concomitantly permitted drugs, prohibited drugs, and relief drugs
• Persons who can maintain the same exercise and activity during the clinical trial period
• Fully understand the purpose and procedure of this clinical trial

Exclusion criteria

• Those who have a history of rheumatoid arthritis or gouty arthritis or who have peripheral pain other than the knee joint patient.
• Those with fractures or dislocations on simple radiological examination.
• Those who are identified, or those with a similar risk of neuromuscular disease
• Those who have participated in other clinical trials within 6 months of participating in clinical trials.
• Patients with severe pain in the knee joint other than angular deformity, instability, and index knee in the knee joint
• Patients with other tumors other than degenerative knee arthrosis
• Persons with systemic symptoms that may affect knee pain
• Pregnant and lactating women