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Figure 1: Mean wound size at each assessment visit. Mean ± standard error of the mean (SEM)

Results

  • 21 patients were included in the investigation, from two centers.
  • All of the patients recruited (eligible for treatment with the test product) were Caucasian males, with an active DFU; the mean patient age was 59.9 years.

Peri-wound skin condition

  • The number of patients with healthy/intact periwound skin increased from 6 patients (28.6%) at baseline to 14 patients (66.7%) at the final visit.
  • The percentage of patients with a given sign of poor peri-wound skin status decreased or remained at zero for the majority of signs, from baseline to the final visit.
  • There were no occurrences of product degradation on the skin.

Wound exudate

  • There was a steady decrease in wound exudate volume throughout the study period; the percentage of patients without wound exudate increased from 0% at baseline to 33.3% at week 12.
  • Wound exudate was mostly serous throughout the study period.

Pain

  • Pain levels were very low throughout the study period (some patients were not eligible for inclusion in the pain assessment due to neuropathy or completion of ulcer healing).

Wound status

  • By week 12 the mean wound area had halved compared to baseline, with a mean area of 0.7cm2.
  • There was a significant reduction in wound area, p=.094 and wound volume, p=.0056 from baseline to the final visit.
  • There was a gradual increase in the mean percentage of epithelialisation tissue and a small decline in the mean percentage of granulation tissue throughout the study; the percentage of non-viable tissue remained low throughout the study.
  • The number of healed wounds increased from 1 (4.8%) at week 1 to 5 (23.8%) at week 12.

Clinical signs of infection

There was a low level of clinical signs of infection throughout the study period.

Investigator/nurse evaluation

The dressing under evaluation was rated highly in terms of ease of application, ease of removal, lack of adherence to the wound bed and healthy intact skin at removal, flexibility, conformability, ability to absorb exudate, ability to retain slough and blood and overall experience.

Patient evaluation

The dressing under evaluation was rated highly in terms of lack of anxiety during dressing change, ease of movement whilst wearing the dressing, ability of the dressing to remain in place during wear, lack of stinging or burning whilst wearing the dressing and comfort during wear.

There were no reported AEs/ADEs during the course of the study that were judged to be related to the investigational product.

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