Feasibility of highly branched cyclic dextrin as an excipient matrix in dry powder inhalers - Abstract

We investigated the feasibility of highly branched cyclic dextrin (HBCD) as an excipient matrix in dry powder inhalers (DPIs). The fine particles of HBCD and HBCD/active pharmaceutical ingredients (API) were prepared by spray-drying an ethanol-aqueous solution containing HBCD.

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