期刊
JOURNAL OF CUTANEOUS MEDICINE AND SURGERY
卷 14, 期 5, 页码 223-232出版社
B C DECKER INC
DOI: 10.2310/7750.2010.09069
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Background: The pig is an accepted species for evaluating the safety of molecules in dermal wound healing indications, however, the sizes of wounds assessed have not always been comparable to large incisions encountered clinically Objective: To develop a clinically relevant model of incisional wounding in the Gottingen minipig for assessing the safety and tolerance of compounds in development to improve scarring. Methods: Intradermal avotermin (recombinant transforming growth factor beta(3) [TGF beta(3)]) up to 6,000 ng/100 mu L was administered twice to 20 cm full-thickness incisions. Results: Incisions were well tolerated in the minipig. Avotermin treatment was not associated with adverse changes in a range of clinical parameters, including wound healing and strength. Plasma TGF beta(3) levels were transient with approximate to 0.1% bioavailability Conclusion: A clinically relevant model of long, full-thickness, sutured surgical incisions in the minipig is achievable Avotermin is well tolerated in this model and does not adversely affect normal wound healing at levels that significantly exceed those doses to be used clinically in humans.
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