Publicatie: Carry-over of antineoplastic drug contamination in Dutch hospital pharmacies

Carry-over of antineoplastic drug contamination in Dutch hospital pharmacies.
Crul M(1), Simons-Sanders K(2).
J Oncol Pharm Pract. 2017 Jan 1:1078155217704990. doi: 10.1177/1078155217704990. [Epub ahead of print]

Author information:
(1)1 Department of Clinical Pharmacy, OLVG, Amsterdam, The Netherlands. (2)2
Department of Hospital Pharmacy Midden Brabant, TweeSteden Hospital, Tilburg, The

Background: To prevent occupational exposure of hospital staff to cytostatics, a mandatory national guideline describing a set of safety measures was issued in the Netherlands in 2004. The guideline includes, among other directives, obligatory annual wipe testing to assess the efficacy of the local cleaning protocol. Full implementation of this guideline was executed in all Dutch hospital pharmacies over the next couple of years.
Objective: We aimed to investigate the effect of the national guideline on contamination levels, and specifically on the phenomenon of carry-over of traces of antineoplastic drugs through contact with surfaces, since this is a potential route of exposure.
Methods: From a database including wipe sample results of 9 hospitals over 10 years, we extracted all sampled locations in the compounding areas as well as in adjacent or bypass rooms and locks. We considered only the locations outside safety cabinets or isolators, to examine the containment of contamination and to address possible routes of how a contamination can migrate through the preparation and distribution areas. The dataset consisted of 2647 wipe samples.
Results: In adjacent rooms, 18 out of 275 wipe samples were contaminated (6%). Inside the compounding room, the extracted locations away from the safety workbench showed a positive percentage for contamination of 13% (39 out of 297). When stratifying the data to sample year, it was shown that contaminations outside the preparation room were no longer detectable after 2008.
Conclusion: With this study, we show that implementation of a set of guidelines on safety measures can prevent spreading of cytostatic traces from the compounding area in hospital pharmacies.


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