Title : Characterization of lactose carrier for dry powder inhaler formulations
Abstract:
Most dry powder inhalers are formulated by mixing micronized drugs with lactose as a carrier. Lactose is the major element in terms of weights in a dry powder inhaler formulation therefore, any changes in its physicochemical properties can affect drug detachment from the surface of the carrier hence, affect the performance of the dry powder inhaler. The aim of this study was to characterize the carrier using various analytical techniques such as atomic force microscopy, differential scanning calorimetry, thermogravimetric analysis, scanning electron microscopy, freeze fracturing and laser diffraction. This was carried out to ascertain the suitability of lactose as a carrier for dry powder inhalers.
Audience take away:
• This work is novel.
• The use of interesting analytical techniques which can benefit scientists working within the pharmaceutical, biological and chemical sectors.
• Obtain an understanding of how aerosols are formulated.
• To give an insight into the therapeutic aerosol.