The present invention is directed toward respirable dry powders and particles for systemic delivery of pharmaceutically active agents or delivery to the respiratory tract. The dry powders contain one or more monovalent metal cations (such as Na+), are small and dispersible.
本发明针对的是用于全身给药或呼吸道给药的可吸入干粉和颗粒。干粉含有一种或多种单价
金属阳离子(如 Na+),体积小且可分散。