Lung penetration and patient adherence considerations in the management of asthma: role of extra-fine formulations

Nicola Scichilone, Mario Spatafora, Salvatore Battaglia, Rita Arrigo, Alida Benfante, Vincenzo BelliaDipartimento di Biomedicina e Medicina Interna e Specialistica, Sezione di Pneumologia, University of Palermo, Palermo, ItalyAbstract: The mainstay of management in asthma is inhalation therapy at the target site, with direct delivery of the aerosolized drug into the airways to treat inflammation and relieve obstruction. Abundant evidence is available to support the concept that inflammatory and functional changes at the level of the most peripheral airways strongly contribute to the complexity and heterogeneous manifestations of asthma. It is now largely accepted that there is a wide range …