	US 12,213,980 B2
	Application of PDE9A inhibitor in preparation of products having elevated Treg content, drugs for preventing and treating inflammatory bowel disease and health care products
Huifang Tang, Zhejiang (CN)
Assigned to ZHEJIANG UNIVERSITY, Zhejiang (CN)
Appl. No. 17/258,910
Filed by ZHEJIANG UNIVERSITY, Zhejiang (CN)
PCT Filed Jul. 9, 2019, PCT No. PCT/CN2019/095291 § 371(c)(1), (2) Date Jan. 8, 2021, PCT Pub. No. WO2020/011168, PCT Pub. Date Jan. 16, 2020.
Claims priority of application No. 201810751621.1 (CN), filed on Jul. 10, 2018.
Prior Publication US 2021/0322423 A1, Oct. 21, 2021
Int. Cl. A61K 31/51 (2006.01); A61K 31/519 (2006.01); A61P 1/16 (2006.01)

CPC A61K 31/519 (2013.01) [A61P 1/16 (2018.01)]

12 Claims

1. A method for increasing Treg amount, which comprises administering an effective amount of PDE9A inhibitor PF-04447943 or a product comprising PDE9A inhibitor PF-04447943 to a subject in need.