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Compatibility of injectable posaconazole with drugs commonly used in a hematology care unit

Authors
  • Polo, Caroline1
  • D’Huart, Elise1
  • Lesperlette, Gwendoline1
  • Vigneron, Jean1
  • Meyer, Florence1
  • Demoré, Béatrice1, 2
  • 1 Pharmacy Departement, Centre Hospitalier Régional Universitaire de Nancy, France , (France)
  • 2 Université de Lorraine, EA 4360 APEMAC, France , (France)
Type
Published Article
Journal
Pharmaceutical Technology in Hospital Pharmacy
Publisher
De Gruyter
Publication Date
May 26, 2020
Volume
5
Issue
1
Identifiers
DOI: 10.1515/pthp-2020-0011
Source
De Gruyter
Keywords
License
Green

Abstract

Objectives Concomitant administration of two incompatible drugs in the same infusion line can lead to a precipitation which could have clinical consequences for patients. The objective of this work was to study the physical compatibility of injectable posaconazole with other drugs commonly used in an adult hematology care unit. Methods The most widely used injectable drugs co-administered with posaconazole have been listed with a total of 19 drugs. For some drugs, different conditions have been tested. A total of 24 solutions were produced (not including the posaconazole). In the absence of compatibility data, the physical compatibility was tested for each pair including one of the 24 solutions and posaconazole. For each pair studied, three different ratios were prepared (9:1, 1:1, 1:9). Visual evaluations were performed after the mixture, after one and 4 h. Results Seventy two mixtures have been realised: 55.56% of pairs (n=40/72) resulted in a precipitation, against 44.44% (n=32/72) with no visual modification after a 4-h storage. On the 19 drugs tested, only filgrastim and tacrolimus showed no visual change with posaconazole during a 4-h storage. Conclusions In majority of cases, posaconazole was not compatible with drugs having alkaline pH, commonly used in a hematology unit.

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