Title:
METHOD FOR PRODUCING MEDICINE-CONTAINING PARTICLES
Document Type and Number:
Japanese Patent JP2023151957
Kind Code:
A
Abstract:
To provide a method for preventing electrification of medicine-containing particles having polyvinyl alcohol as a base agent, which occurs when producing the particles by a spraying freeze-drying method.SOLUTION: A method for producing medicine-containing particles includes the following steps 1, 2 and 3. Step 1: a step of dissolving and/or dispersing (A) polyvinyl alcohol, (B) polyethylene glycol and/or gum arabic, and (C) a medicine into an aqueous component (D) to obtain a liquid composition. Step 2: a step of spraying, cooling and solidifying the liquid composition obtained in the step 1 to obtain frozen particles. Step 3: a step of drying the frozen particles obtained in the step 2.SELECTED DRAWING: None
Inventors:
TAKEDA MIYUKI
Application Number:
JP2022061844A
Publication Date:
October 16, 2023
Filing Date:
April 01, 2022
Export Citation:
Assignee:
RIKEN VITAMIN CO
International Classes:
A61K31/167; A61K9/19; A61K47/10; A61K47/32; A61K47/36; A61P29/00
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