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Clinical Trial Summary

The aim of our study is to investigate the efficacy of high energy density pulse electromagnetic field for patients with frozen shoulder


Clinical Trial Description

Frozen shoulder causes shoulder pain and limited range of motion(ROM). It is thought to afflict between 2 and 5% of the general population. Individuals of middle age are most often affected, typically during the 5th to 7th decades of life. Typical symptoms include gradual onset of shoulder pain, limited shoulder ROM at least in two or more directions (especially in external rotation). In the case of primary adhesive capsulitis, the disease is usually self-limiting, and typically lasts 18-24 months. However, persistent symptoms and movement restriction beyond 3 years have been reported in up to 40% of patients, with up to 15% of patients suffering permanent disability. Therefore, an effective treatment is necessary to treat the shoulder pain and disability caused by frozen shoulder. High energy density pulse electromagnetic field (High-PEMF), different from traditional PEMF, includes characteristics as following: 1. The short pulse duration (50μs) with a damped oscillation 2. The broad bandwidth(200kHz~300MHz) with a basic frequency 240kHz 3. High voltages (up to 40 kV) and peak currents (up to 10 kA) arise in the applicator spool 4. Delivery of energy per pulse of about 96Ws (Joule) with a magnetic flux density of 50~100mT 5. Depth penetration for tissue and organ up to 20 cm It has been applied in chronic tendinopathy with positive outcomes. However, few studies support its application in the setting of frozen shoulder. Hence, the aim of our study is to investigate the efficacy and the underlying possible mechanism of High-PEMF for patients with frozen shoulder. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05979974
Study type Interventional
Source Tri-Service General Hospital
Contact Liang cheng Chen, MD, MS
Phone 886-2-87923311
Email clctsgh@yahoo.com.tw
Status Recruiting
Phase N/A
Start date October 31, 2023
Completion date July 31, 2024

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