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. 1997 Jun 9;26(1):51-58.
doi: 10.1016/s0169-409x(97)00510-3.

Review of dry powder inhalers

B Sumby  1 , A Slater, PJ Atkins, D Prime
Affiliations

Review of dry powder inhalers

B Sumby et al. Adv Drug Deliv Rev. .

Abstract

The search for alternatives to metered-dose inhalers has accelerated recently in a bid to find effective products that do not use chlorofluorocarbon (CFC) propellants. This paper reviews the factors to be considered in developing dry powder inhalers (DPIs), particularly the formulation, metering design and flow path in the device. The advantages and disadvantages of current DPIs are discussed and possible future approaches outlined.

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