I. Sibum, P. Hagedoorn, C.O. Botterman, H.W. Frijlink and F. Grasmeijer In recent years there has been increasing interest in the pulmonary delivery of high dose dry powder drugs, such as antibiotics. Drugs in this class need to be dosed in doses far over 2.5 mg, and the use of excipients should therefore be minimized. […]