| Predispensing of antivirals to high-risk individuals in an influenza pandemic. | |
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MedLine Citation:
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PMID: 20029604 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We consider the net benefits of predispensing antivirals to high-risk individuals during an influenza pandemic, where the measure of the benefit is the number of severe outcomes (such as deaths or hospitalizations) prevented by antivirals in the whole population. One potential benefit of predispensing is that individuals to whom antivirals have been predispensed may be able to initiate treatment earlier than if they had to wait to obtain and fill a prescription, reducing their risk of progression to severe disease. If this benefit exceeds the side effects of misuse for the category of individuals to whom antivirals were predispensed, and if antiviral supply exceeds overall population demand (which appears relevant for several countries including US in the current H1N1 pandemic), predispensing a quantity of antivirals not exceeding the difference between supply and demand is always beneficial. In this paper we consider the net benefits of predispensing antivirals under various scenarios, including demand exceeding supply, and derive mathematical conditions under which antiviral predispensing is advantageous on balance. For individuals whose relative risk of severe outcome is high enough, such as immunosuppressed individuals (particularly children) and possibly individuals with neurological disorders, predispensing is always beneficial at a given level of antiviral stockpile with modest assumptions on the relative benefit of early treatment by a predispensed course, regardless of the overall population demand for antivirals during the course of an epidemic. Making additional assumptions on either the overall population demand for antivirals (which appear relevant in the current situation) or on the relative benefit of predispensing would make predispensing net beneficial with inclusion of a larger number of persons such as pregnant women and morbidly obese adults. |
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Authors:
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Edward Goldstein; Joel C Miller; Justin O'Hagan; Marc Lipsitch |
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Publication Detail:
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Type: Duplicate Publication; Journal Article Date: 2009-08-21 |
Journal Detail:
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Title: PLoS currents Volume: 1 ISSN: 2157-3999 ISO Abbreviation: PLoS Curr Publication Date: 2009 |
Date Detail:
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Created Date: 2009-12-23 Completed Date: 2010-02-12 Revised Date: 2013-03-11 |
Medline Journal Info:
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Nlm Unique ID: 101515638 Medline TA: PLoS Curr Country: United States |
Other Details:
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Languages: eng Pagination: RRN1007 Citation Subset: - |
Affiliation:
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Harvard School of Public Health, Boston, MA, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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| Grant Support | |
ID/Acronym/Agency:
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U54 GM088558-01/GM/NIGMS NIH HHS |
| Comments/Corrections | |
Update In:
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Influenza Other Respi Viruses. 2010 Mar;4(2):101-12
[PMID:
20167050
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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