Development of a Rational Design Space for Optimizing Mixing Conditions for Formation of Adhesive Mixtures for Dry-Powder Inhaler Formulations.

Abstract:

:The purpose of the present study was to develop guidance toward rational choice of blenders and processing conditions to make robust and high performing adhesive mixtures for dry-powder inhalers and to develop quantitative experimental approaches for optimizing the process. Mixing behavior of carrier (LH100) and AstraZeneca fine lactose in high-shear and low-shear double cone blenders was systematically investigated. Process variables impacting the mixing performance were evaluated for both blenders. The performance of the blenders with respect to the mixing time, press-on forces, static charging, and abrasion of carrier fines was monitored, and for some of the parameters, distinct differences could be detected. A comparison table is presented, which can be used as a guidance to enable rational choice of blender and process parameters based on the user requirements. Segregation of adhesive mixtures during hopper discharge was also investigated.

journal_name

J Pharm Sci

authors

Sarkar S,Minatovicz B,Thalberg K,Chaudhuri B

doi

10.1016/j.xphs.2016.07.012

subject

Has Abstract

pub_date

2017-01-01 00:00:00

pages

129-139

issue

1

eissn

0022-3549

issn

1520-6017

pii

S0022-3549(16)41586-8

journal_volume

106

pub_type

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