Quality by Design for Orally Inhaled Drug Products - PQRI
Quality by Design for Orally Inhaled Drug Products - PQRI
Quality by Design for Orally Inhaled Drug Products - PQRI
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Dry Powder Inhalers• Contain micronized drug attached to largercarrier particles (i.e., lactose) or micronized drugparticles agglomerated into soft pellets• Employ the patient’s inspiratory ef<strong>for</strong>t to provideenergy <strong>for</strong> drug delivery (passive DPI system)Pre-metered SingleDose UnitPre-meteredMultiple Dose Unit<strong>Drug</strong> ReservoirHandihaler Diskus Twisthaler7