Fecha de publicación: 22/07/2010 Fuente: WIPO "apis" The present disclosure describe inhalation particles where each discrete unagglomerated inhalation particle comprising 2 or more active pharmaceutical ingredients. In one embodiment, the inhalation particles comprise a first and a second API where the second API covers, at least partially, and protects the first API from degradation or instability. Inhalation particles comprising a first and a second API as described herein have many advantages over present means of delivering two or more APIs. Formulations comprising such inhalation particles are also described.