Drug-containing particle

Abstract

The present invention provides a method of efficiently manufacturing drug-containing particle which has a sharp peak in the particle size distribution, is highly spherical, and good in fluidity. The present invention relates to a manufacturing method of a drug-containing particle, the drug-containing particle comprising a raw material particle and a coating layer on the outside of the raw material particle, the raw material particle and/or the coating layer comprising at least one drug, wherein the manufacturing method comprises a granulation process that agitates a mixture comprising a core particle for powder coating formed by coating the raw material particle with a polymer and a drug and/or pharmaceutically acceptable additive while spraying a solvent which can dissolve the polymer on the mixture.

Dependencies are inferred from the claim text.