	US 12,447,191 B2
	Topical application of polypeptide in the treatment of skin damage
Xianmin Xia, Wuhan (CN); Xiang Sun, Wuhan (CN); Chaoxing Li, Wuhan (CN); Jie Gao, Wuhan (CN); and Xiuli Kuang, Wuhan (CN)
Assigned to WUHAN YICHENG BIOTECHNOLOGY CO., LTD., Wuhan (CN)
Filed by WUHAN YICHENG BIOTECHNOLOGY CO., LTD., Wuhan (CN)
Filed on Jan. 18, 2023, as Appl. No. 18/155,747.
Application 18/155,747 is a continuation of application No. PCT/CN2021/108508, filed on Jul. 26, 2021.
Claims priority of application No. 202010726801.1 (CN), filed on Jul. 26, 2020.
Prior Publication US 2023/0218712 A1, Jul. 13, 2023
Int. Cl. A61K 38/00 (2006.01); A61K 9/06 (2006.01); A61K 38/10 (2006.01); A61K 47/10 (2017.01); A61K 47/12 (2006.01); A61K 47/32 (2006.01); A61K 47/44 (2017.01); A61P 17/02 (2006.01)

CPC A61K 38/10 (2013.01) [A61K 9/06 (2013.01); A61K 47/10 (2013.01); A61K 47/12 (2013.01); A61K 47/32 (2013.01); A61K 47/44 (2013.01); A61P 17/02 (2018.01)]

2 Claims

1. A method for treating skin damage, comprising: administering an effective amount of a polypeptide drug for daubing; the polypeptide drug comprises a polypeptide with an amino acid sequence as shown in SEQ ID No:1; the skin damage is a full-thickness skin defect; or the skin damage caused by a superficial second degree burn, deep second degree burn or third degree burn.