公开(公告)号：US11872320B2

公开(公告)日：2024-01-16

申请号：US17184797

申请日：2021-02-25

Applicant: HISAMITSU PHARMACEUTICAL CO., INC.

Inventor： Hiroyuki Sato ,  Hirochika Takano

IPC: A61K47/12 ,  A61K31/196 ,  A61K9/70 ,  A61K9/00

CPC classification number: A61K9/7053 ,  A61K9/0014 ,  A61K9/7076 ,  A61K31/196 ,  A61K47/12

Abstract: Disclosed is a method for treating osteoarthritis comprising a step of administering a patch to a patient. The patch comprises a backing layer and an adhesive layer laminated on the backing layer, the adhesive layer comprises an adhesive base, diclofenac sodium, dimethyl sulfoxide, and an organic acid, and a content of the organic acid is 6 mass % to 8 mass % with respect to a total mass of the adhesive layer. The patch is applied to an affected part once a day, and a dose of diclofenac sodium per administration is 70 mg to 150 mg.