公开(公告)号：US20250161229A1

公开(公告)日：2025-05-22

申请号：US18839843

申请日：2022-12-22

Applicant: HISAMITSU PHARMACEUTICAL CO., INC.

Inventor： Sho SATO ,  Keiichiro TSURUSHIMA ,  Shinji YAMASOTO ,  Tetsuro TATEISHI

IPC: A61K9/70 ,  A61K45/06 ,  A61K47/02 ,  A61K47/38

Abstract: The present invention relates to a poultice including: a backing layer; and an adhesive agent layer, wherein the adhesive agent layer comprises at least one selected from the group consisting of carboxymethyl cellulose and pharmaceutically acceptable salts thereof; a silicic anhydride; a drug; and a water-soluble polymer; and a particle diameter D50 at which a cumulative volume in a particle size distribution of the silicic anhydride becomes 50% is 0.2 to 9.0 μm.