May 24, 2019

Effect of Recorded Inhalation Waveforms on the In Vitro Aerodynamic Performance of a Passive Dry Powder Inhaler

Presented at ISAM Congress 2019:

  • The widely differing inspiratory flow profiles in response to training is indicative that use of this particular DPI may not be easy to master for all users after video instruction.
  • Coarse or ‘non-respirable’ particles may, in real use, result in local or systemic delivery with the potential for adverse effects.
  • Further studies are warranted with a larger number of volunteers and with other passive DPIs having different resistances.

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