Changing to dry powder inhalation systems.

Particulate Interactions in Dry Powder Formulations for Inhalation Particulate Interactions in Dry Powder Formulations for Inhalation

Dry powder inhalation: past, present and future.

INTRODUCTION Early dry powder inhalers (DPIs) were designed for low drug doses in asthma and COPD therapy. Nearly all concepts contained carrier-based formulations and lacked efficient dispersion principles. Therefore, particle engineering and powder processing are increasingly applied to achieve acceptable lung deposition with these poorly designed inhalers. Areas covered: The consequences of ...

Dry powder nitroimidazopyran antibiotic PA-824 aerosol for inhalation.

We formulated PA-824, a nitroimidazopyran with promise for the treatment of tuberculosis, for efficient aerosol delivery to the lungs in a dry powder porous particle form. The objectives of this study were to prepare and characterize a particulate form of PA-824, assess the stability of this aerosol formulation under different environmental conditions, and determine the pharmacokinetic paramete...

Inhalation of dry-powder mannitol increases mucociliary clearance.

Inhalation of hypertonic saline stimulates mucociliary clearance (MCC) in healthy subjects and those with obstructive lung disease. We investigated the effect of inhaling the osmotic agent mannitol on MCC. We used a dry-powder preparation of mannitol British Pharmacopea (BP) which was encapsulated and delivered using a Dinkihaler. MCC was measured for 75 min in six asthmatic and six healthy sub...

solid lipid microparticles of salbutamol sulfate for dry powder inhalation