Knee Osteoarthritis Clinical Trial
Official title:
Electro-acupuncture of Different Treatment Frequency in Knee Osteoarthritis: a Pilot Randomized Clinical Trial
Knee osteoarthritis (KOA) is one of the most common musculoskeletal diseases in clinic. It usually occurs in middle-aged people, especially women. An estimated lifetime risk for KOA is approximately 40% in men and 47% in women. KOA is a chronic disease which can lead to obvious pain, joint stiffness, limitation of activity and even disability, with significant associated costs and effects on society, health systems, and individuals. The use of acupuncture as an approach for the management of chronic pain, is receiving increasing recognition from both the public and professionals. However, there are no universally accepted treatment frequency criteria in previous studies. The number of acupuncture treatments is no more than twice per week in most previous studies, while it is usually 3-5 sessions per week in clinical practice in China. The aim of this study is to compare the effects of different EA sessions (3 sessions per week versus once per week) in a pilot randomized controlled trial of KOA.
Status | Recruiting |
Enrollment | 60 |
Est. completion date | June 30, 2018 |
Est. primary completion date | April 30, 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 45 Years to 75 Years |
Eligibility |
Inclusion Criteria: 1. Age 45-75 years old, male or female; 2. Single / bilateral knee pain, duration of more than 6 months; 3. KL (Kellgren-Lawrence) grade ? or ? in recent 6 months; 4. NRS = 40mm; 5. Signed informed consent Exclusion Criteria: 1. Surgery history of knee or waiting for surgery (knee replacement or knee arthroscopy); 2. Knee pain caused by other diseases (such as joint bodies, severe effusion of joint cavity, infection, malignant tumors, autoimmune diseases, trauma, etc.); 3. History of arthroscopy within 1 year or intra-articular injection within 4 months; 4. History of receiving acupuncture treatment within 3 months; 5. Severe acute/chronic organic or mental diseases; 6. Pregnant women, pregnant and lactating women; 7. Coagulation disorders (such as hemophilia, etc.); 8. Participation in another clinical study in the past 3 months; 9. With a cardiac pacemaker, metal allergy or needle phobia. |
Country | Name | City | State |
---|---|---|---|
China | Beijing Hostipal of Traditional Chinese Medicine affiliated to Capital medical University | Beijing | Beijing |
Lead Sponsor | Collaborator |
---|---|
Ping Zhou |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Response rate | the percentage of patients with improvement in average pain (numerical rating scale, NRS) at least 2 units and in Western Ontario and Mcmaster Universities Osteoarthritis Index (WOMAC) function subscale score at least 6 units at 8 weeks. Pain NRS was a self-administered instrument, a number selected from 0-10 by participant. Intensity of pain range (over past week): 0 =no pain to 10 =worst possible pain. Higher score indicating severe pain. The WOMAC function subscale referred to the participant's ability to move around and perform usual activities of daily living. The WOMAC function subscale was comprised of 17 questions regarding the degree of difficulty experienced due to OA in the study knee. The WOMAC function subscale score for each question ranged from 0 (minimum) to 4 (maximum), higher scores signified worse physical function. An overall score range of 0 (minimum) to 68 (maximum), with higher scores indicating worse physical function. | baseline and 8 weeks | |
Secondary | Pain | using numerical rating scale (NRS) and WOMAC pain subscale. Pain NRS was a self-administered instrument, a number selected from 0-10 by participant. Intensity of pain range (over past week): 0 =no pain to 10 =worst possible pain. Higher score indicating severe pain. The WOMAC pain subscale referred to the patient's pain. It was comprised of 5 items, with each item scored from 0 (minimum) to 4 (maximum), where 4 indicated worst pain condition. An overall score range of 0 (minimum) to 20 (maximum), with higher scores indicating worse physical function. | baseline, 8 weeks and 16 weeks | |
Secondary | Knee-joint function | using WOMAC function subscale. The WOMAC function subscale referred to the participant's ability to move around and perform usual activities of daily living. The WOMAC function subscale was comprised of 17 questions regarding the degree of difficulty experienced due to OA in the study knee. The WOMAC function subscale score for each question ranged from 0 (minimum) to 4 (maximum), higher scores signified worse physical function. An overall score range of 0 (minimum) to 68 (maximum), with higher scores indicating worse physical function. | baseline, 8 weeks and 16 weeks | |
Secondary | Stiffness | using WOMAC stiffness subscale. The WOMAC stiffness subscale was comprised of 2 questions regarding the degree of stiffness experienced in the study knee. The WOMAC stiffness subscale score for each question ranged from 0 (minimum) to 4 (maximum), higher scores signified worse stiffness. An overall score range of 0 (minimum) to 8 (maximum), with higher scores indicating more stiffness. | baseline, 8 weeks and 16 weeks | |
Secondary | Overall effect | using the Overall Treatment Effect (OTE) | baseline, 8 weeks and 16 weeks | |
Secondary | Quality of life | using the 12-Item Short Form Health Survey (SF-12) | baseline, 8 weeks and 16 weeks | |
Secondary | Adverse events | using Adverse Event Form | up to 16 weeks | |
Secondary | Credibility score | using Credibility/expectancy questionnaire | 1 week(after the first treatment) | |
Secondary | Expectancy score | using Credibility/expectancy questionnaire | 1 week(after the first treatment) |
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