• Wound Repair Regen · Mar 2007

    Comparative Study

    A silicone-based controlled-release device for accelerated proteolytic debridement of wounds.

    • Richard Bott, James Crissman, Csilla Kollar, Mae Saldajeno, Grant Ganshaw, Xavier Thomas, Thomas H Lane, Paal Klykken, Jeffrey M Davidson, and Lillian B Nanney.
    • Danisco, Palo Alto, California, USA. rick.bott@danisco.com
    • Wound Repair Regen. 2007 Mar 1; 15 (2): 227-35.

    AbstractA new device for rapid enzymatic debridement of cutaneous wounds has been developed using a controlled-release, silicone-based, dried emulsion. A dehydrated serine protease of the subtilisin family, previously untested for wound debridement, was incorporated into the emulsion. This device exhibited excellent storage stability. Moisture from the wound triggered an even, reproducible, and complete release of the enzyme within the first 8 hours. The device maintains a moist wound environment that allows the enzyme to achieve nearly complete digestion of the hardened eschar of full-thickness burns in a porcine model after an exposure period of 24 hours. Debridement was faster than in untreated wounds or wounds treated with a currently available enzyme ointment. Following rapid enzymatic debridement, healing appeared to progress normally, with no histological evidence of damage to adjacent healthy tissue.

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