Evaluating the Efficacy of Pulsating Electromagnetic Field Therapy by CRAD ULCER X-01 for Diabetic Foot Ulcers

Summary

Background: Diabetic foot ulcer (DFU) is a frequent complication of chronic, uncontrolled diabetes mellitus (DM). Treatment with antibiotics, daily dressing, wound debridement, and wound off-loading is often prescribed. However, many DFU patients still progress into severe outcomes, including non-healing of wounds, infections, necrosis, and osteomyelitis. Prior research has shown that the application of pulsating electromagnetic field (PEMF) could accelerate wound healing, including in those afflicted with DFUs. Therefore, this study aimed to evaluate the efficacy of a locally developed CRAD ULCER X-01 device that uses the principles of PEMF in promoting DFU healing. Methods: A total of 32 patients with chronic, non-healing DFUs will be recruited from the Orthopaedic Clinic of Hospital Angkatan Tentera Tuanku Mizan and divided into control (C) (n=8) and treatment (T) (n=24) groups. All patients will receive a standard daily dressing. The PEMF will be supplemented for 1 hour/day, 2 hours/day, and 3 hours/day for T1, T2, and T3 subgroups, respectively (n=8 per group); whereas the C group will be controlled for placebo effect (device in-place but switched off). The therapy duration will be until the wound is closed or for a maximum period of three months. All patients will undergo wound assessment, wound edge tissue histology by haematoxylin and eosin (H\&E) staining, and immunohistology (for vascular endothelial growth factor \[VEGF\] and fibroblast growth factor 2 \[FGF-2\] expression), as well as serum superoxide dismutase (SOD) and C-reactive protein (CRP) at preand post-treatment, along with glycated haemoglobin (HbA1c) measurement only at post-treatment to control for confounder (i.e., glucose control for the past three months). This study hypothesizes that PEMF therapy by CRAD ULCER X-01 device will accelerate DFU healing and improve tissue integrity, with minimal systemic effects assessed via oxidative stress and inflammatory markers. Conclusion: The results from this study will validate PEMF's effectiveness in promoting DFU healing and establish the potential use of locally developed CRAD ULCER X-01 devices as supplementary therapy to standard DFU care.

Eligibility

Inclusion Criteria:

* Provision of written consent by subjects.
* Subject of either sex.
* At least 18 years of age.
* Known diabetes mellitus.
* Diagnosed with chronic DFU Grade I-III and Stage A according to the University of Texas Classification as recommended in the Malaysian Clinical Practice Guidelines for the Management of Diabetic Foot (2nd Edition).

Exclusion Criteria:

* Inability or unwillingness to provide written consent.
* Inability or unwillingness to comply with the requirements of the protocol as determined by the investigator.
* Other medical conditions which, in the investigator's judgement, may be associated with increased risk to the subject or may interfere with study assessments or outcomes.
* Participation in another clinical trial and/or recipient of investigational therapy within 4 weeks prior to screening visit.
* Patients who have metal implants in any part of the body.
* Patients with a pacemaker.
* History of malignancies.
* Presence of chronic kidney disease co-morbidity.
* Presence of severe peripheral artery disease, assessed when the ankle-brachial index (ABI) is \<0.40.

Conditions3

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