A case study reviewing inhalation devices. Capsule-based devices in particular, offer many benefits to patients in terms of precise dosing, ease of use and dose visibility. For manufacturers, capsule-based DPI technology provides greater freedom to innovate and differentiate their products.

Two fluticasone propionate nasal spray formulations were characterized using Raman Chemical Imaging, for drug particle size distribution comparison between innovator and generic brands.

Dissolution testing already underpins both the development and quality control of solids dosage forms and is now on the radar of those developing products for inhaled drug delivery. This paper examines recent innovations in this vital area of pharmaceutical analysis.