The present invention relates to inhalable particles comprisinga stabilized amorphous form of tiotropium with a stabilizing agent. Italso relates to inhalable particles comprising a stabilized amorphous formof tiotropium with a stabilizing agent mixed with one or more coarseexcipientshaving a mean particle size of 15 to 250 µm. It also relates to apharmaceutical composition comprising the inhalable particles of theinvention,to a process for their preparation, and to their use for the preparationof a medicament for the treatment of asthma or chronic obstructivepulmonary disease (COPD).
