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Published on: May 15, 2019
Contamination of lenalidomide on blister packages after administration and its exposure countermeasures
Masato Komuro1, Takahito Furuya1, Yasukata Ohashi2
1Department of Pharmacy, National Center for Global Health and Medicine, Tokyo, Japan.
Background:
Reliable exposure control measures are needed to avoid occupational exposures from hazardous drugs. However, there is little information on blister packages concerning exposure. We investigated the contamination and exposure control methods of lenalidomide.
Materials And Methods:
Nine facilities involved with the RevMate program (the Japanese REMS program) participated in this study. Blister packages (10 capsules/ sheet, no cuts) were collected from each institution after the administration of 5-mg Revlimid capsules. Additionally, the safety performance of different gloves was tested.
Results:
A total of 18 samples were analyzed and the results revealed that all samples were contaminated with lenalidomide. Our questionnaire revealed that all pharmacists handled the blister packages with their bare hands when they were checking the remaining capsules of lenalidomide. We analyzed gloves made from four different materials (nitrile, polyvinyl chloride, latex, and polyethylene) and found no permeability in any glove type.
Conclusion:
We conclude that the spent blister package is a potential source of exposure to lenalidomide. All medical staff and caregivers should wear gloves when they handle lenalidomide.
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