CFD Models to aid the development of generic inhalation products — Food and Drug Administration funding opportunity
Food and Drug Administration · Federal agency

CFD Models to aid the development of generic inhalation products

Current US Food and Drug Administration product specific guidance (PSG) bioequivalence (BE) recommendations for orally inhaled drug products such as metered dose inhalers (MDIs) and dry powder inhalers (DPIs) typically u...

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Deadline Fixed Location Alabama Type grant Level Federal Open posted May 25, 2021
✦ AI Summary
  • Who can apply: Federal-level applicants (see eligibility for details).
  • Issued by: Food and Drug Administration.
  • About: Current US Food and Drug Administration product specific guidance (PSG) bioequivalence (BE) recommendations for orally inhaled drug products such as metered dose inhalers (MDIs) and dry powder inhalers (DPIs) typically use a…
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About this opportunity

Current US Food and Drug Administration product specific guidance (PSG) bioequivalence (BE) recommendations for orally inhaled drug products such as metered dose inhalers (MDIs) and dry powder inhalers (DPIs) typically use a weight-of-evidence approach that includes in vitro studies, an in vivo pharmacokinetics (PK) study, and either an in vivo pharmacodynamics (PD) or comparative clinical endpoint (CCEP) study. To produce a generic MDI or DPI that is capable of passing all of these recommended studies, it would be useful to have an enhanced understanding of the relationships between in vitro study metrics and the rate and extent of drug delivery to the targeted lung tissue. Computational fluid dynamics (CFD) is a technique capable of predicting these relationships between in vitro study metrics and regional lung deposition. The purpose of this grant announcement is to use CFD to produce verified and validated predictions of regional lung deposition for at least one currently marketed MDI or DPI in human upper and lower airways. Once predictions are appropriately verified and validated using either in vitro or in vivo data, a parameter sensitivity analysis will be conducted to assess the biopredictive capabilities of relevant in vitro studies. For DPIs, discrete element modeling (DEM) may be considered as a means for predicting the effects of agglomeration and deagglomeration of carrier-active pharmaceutical ingredient combination particles on regional deposition and the relationships of those phenomena with APSD. For MDIs, it is preferred that formulations considered include at least three components.

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Citation details

Source systemgrants.gov
Source ID328700
PostedMay 25, 2021

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