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Farmacia Hospitalaria

On-line version ISSN 2171-8695Print version ISSN 1130-6343


CABANAS POY, M.ª José et al. Microbiological quality of pediatric oral liquid formulations. Farm Hosp. [online]. 2016, vol.40, n.5, pp.427-435. ISSN 2171-8695.

The oral administration of drugs to the pediatric population involves the extemporaneous preparation of liquid formulations. These formulations have studies on their physicochemical stability, but they often lack microbiological studies. The objective of this study is to check the microbiological quality of five oral liquid formulations prepared with different excipients, which represent five major combinations, in two conditions: kept unopened until the day of the test, and in a multi-dose vial opened daily. The formulations were prepared according to standard operating procedures. Half of each batch was packaged in vials that remained closed until the day of testing, and the other half in a single container which was opened daily. Both the vials and the containers had been previously sterilized. Microbiological tests were performed weekly during the first month of the study, and then every two weeks, until the expiration date. The microbiological quality of oral liquid formulations is determined by the Royal Spanish Pharmacopoeia. The conclusion was that none of the formulations prepared that were packaged in sterilized containers became contaminated, either in unopened vials or in multi-dose containers when they were opened daily.

Keywords : Stability; Contamination; Sterility; Formulation; Paediatrics.

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