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dc.contributor.author
Yazdani Brojeni, Parvaneh
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García Bournissen, Facundo
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Fujii, Hisaki
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Tanoshima, Reo
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Ito, Shinya
dc.date.available
2018-01-12T20:24:39Z
dc.date.issued
2014-03
dc.identifier.citation
Fujii, Hisaki; García Bournissen, Facundo; Yazdani Brojeni, Parvaneh; Ito, Shinya; Tanoshima, Reo; Relative bioequivalence of amoxicillin dissolved in breast milk; B M J Publishing Group; Archives of Disease in Childhood; 99; 3; 3-2014; 258-261
dc.identifier.issn
0003-9888
dc.identifier.uri
http://hdl.handle.net/11336/33178
dc.description.abstract
BACKGROUND: Oral antibiotics use in infants in developing countries is challenging because liquid formulations are often unavailable. However, dissolving solid formulation of drugs in water poses a risk of gastrointestinal infection. Although mother's milk may be a potential vehicle, no evidence exists to indicate that antibiotics dissolved in human milk are bioequivalent to those dissolved in water. Therefore, we compared pharmacokinetic parameters of an orally administered antibiotic, amoxicillin, dissolved in human milk, to those of water-dissolved amoxicillin.
METHODS: A pharmacokinetic study was conducted in 16 healthy adult volunteers in a randomised crossover design. Marketed amoxicillin powder for suspension was dissolved in either human milk or water at a final concentration of 50 mg/mL, and 10 mL was given orally in a fasting state. Timed blood samples were obtained and plasma amoxicillin was quantified using liquid chromatography-mass spectrometry.
FINDINGS: Results showed that pharmacokinetic parameters, including area-under-the-curve, Cmax and half-life of the water-based and milk-based amoxicillin administration were not significantly different. 90% CIs of the ratios of these parameters in concomitant breast milk administration to those of water were within 89% and 116%, suggesting they are bioequivalent (defined as a range between 80% and 125%).
INTERPRETATION: We conclude that oral administration of amoxicillin dissolved in human milk at 50 mg/mL results in pharmacokinetics profiles comparable to amoxicillin dissolved in water. Pharmaceutical interactions between amoxicillin and breast milk are unlikely, suggesting no need to modify dosing schedules.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
B M J Publishing Group
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Amoxicillin
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Breastmilk
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Bioequivalence
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Pediatric Clinical Pharmacology
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Inmunología
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Medicina Básica
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CIENCIAS MÉDICAS Y DE LA SALUD
dc.title
Relative bioequivalence of amoxicillin dissolved in breast milk
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-01-11T13:46:42Z
dc.journal.volume
99
dc.journal.number
3
dc.journal.pagination
258-261
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Yazdani Brojeni, Parvaneh. University Of Toronto. Hospital For Sick Children; Canadá
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Fil: García Bournissen, Facundo. University Of Toronto. Hospital For Sick Children; Canadá. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
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Fil: Fujii, Hisaki. University Of Toronto. Hospital For Sick Children; Canadá
dc.description.fil
Fil: Tanoshima, Reo. University Of Toronto. Hospital For Sick Children; Canadá
dc.description.fil
Fil: Ito, Shinya. University Of Toronto. Hospital For Sick Children; Canadá
dc.journal.title
Archives of Disease in Childhood
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://adc.bmj.com/content/99/3/258
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1136/archdischild-2013-305151
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