VERFAHREN ZUR VORBEREITUNG VON MIKROPARTIKELN ZUR VERWENDUNG IN PHARMAZEUTISCHEN ZUSAMMENSETZUNGEN ZUR INHALATION

摘要

The invention provides microparticles for use in a pharmaceutical composition for pulmomary administration, each microparticle comprising a particle of an active substance having, on its surface, particles of a hydrophobic material suitable for delaying the dissolution of the active substance. The invention also provides a method for making the microparticles.