| Automated actuation of nasal spray products: determination and comparison of adult and pediatric settings. | |
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MedLine Citation:
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PMID: 20923391 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Objective: To determine and compare patient-relevant settings for automated nasal spray actuation stations from adult and pediatric hand data. Methods: Twenty adults and 20 pediatric participants were asked to spray Flonase® Nasal Spray six times in a Hand Actuation Monitor, which records force and displacement data in 5-ms increments. Settings for force- and velocity-controlled actuation stations were determined from the data using a predefined set of calculations. Results: For force-controlled settings, hand spraying by children resulted in lower actuation forces, and longer force rise, hold and fall times. Pediatric velocity-controlled actuator settings were lower for travel, compression velocity, and release velocity compared with adults. The pediatric spray weight recorded during hand spraying was significantly lower than the spray weight generated by adult participants. Adult participants were able to generate full sprays with each attempt, whereas 11 out of 120 actuations performed by pediatric participants resulted in partial and 'no spray' events. No differences in spray weight were detected in participants who chose to actuate the nasal spray using both hands. Conclusions: A predefined set of calculations was used to determine patient-relevant settings from force and displacement hand data for force- and velocity-controlled automated actuation stations. This study determined and quantified, for the first time, the differences in hand spraying between adults and children. |
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Authors:
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Diane V Doughty; Carrie Vibbert; Anupama Kewalramani; Mary E Bollinger; Richard N Dalby |
Publication Detail:
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Type: Journal Article Date: 2010-10-06 |
Journal Detail:
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Title: Drug development and industrial pharmacy Volume: 37 ISSN: 1520-5762 ISO Abbreviation: Drug Dev Ind Pharm Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-01-19 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7802620 Medline TA: Drug Dev Ind Pharm Country: England |
Other Details:
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Languages: eng Pagination: 359-66 Citation Subset: IM |
Affiliation:
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Department of Pharmaceutical Sciences, University of Maryland, Baltimore, MD, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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