Understanding the Importance of Capsules in Dry Powder Inhalers
Pressurized metered-dose inhalers (pMDIs), dry powder inhalers (DPIs) and nebulizers are the main categories of inhaled drug delivery systems, each class with its unique strengths and weaknesses . This classification is based on the physical state of the formulation as well as on the type of device used to meter, deliver and aerosolise the …