Pulsed Short Wave in Females With Knee Osteoarthritis

Status Completed

Clinical Trial Summary

Study design: Randomized clinical trial. Objective: To evaluate the effect of PSW treatment in different doses and to compare to the control and placebo group.

Background: Several forms of conservative treatment have been the focus of many recent studies in knee osteoarthritis (OA). Among these techniques, the application of pulsed short wave has been widely used, but the optimal dose and application time still have not been well established.

Clinical Trial Description

Methods: One hundred and twenty-one females (average ± sd age, 60 ± 9 years), with a diagnosis of knee OA were distributed randomly into 4 groups: 35 patients who did not receive any treatment (control), 23 patients in the placebo group, 32 patients in the low dose PSW group (14.5W, 19 minutes and 17KJ), and 31 patients in the high dose PSW group (14.5W, 38 minutes and 33KJ). An 11-point numerical pain rating scale (NPRS) and "Knee Osteoarthritis Outcome Score" (KOOS) were used to assess pain and function in 3 stages: initial evaluation (pre-treatment), immediately after post-treatment, and a 12-month follow up.

Results: The 4 groups were homogeneous prior to treatment with respect to demographics, pain, and functional scales data. We demonstrated the short-term effectiveness of the PSW at low or high doses in patients with knee OA. Both treatment groups showed significant improvement in pain and function when compared to the control and placebo groups (P<0.05). There were no differences between PSW doses, despite the fact that a low dose of PSW seems to be more effective in the long term.

Conclusion: The PSW is an effective method for pain relief, functionality, and quality of life improvement in females with knee osteoarthritis in the short-term. On the basis of our results, we recommend PSW application in the female population with knee OA. However, conclusions regarding the 12-month follow up should be analyzed carefully due to the high dropout rate. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01331174
Study type	Interventional
Source	Irmandade da Santa Casa de Misericordia de Sao Paulo
Contact
Status	Completed
Phase	N/A
Start date	August 2006
Completion date	December 2008

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Pulsed Short Wave in Females With Knee Osteoarthritis — PSW

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms