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Comparative Study
Journal Article
Investigation on residual-related error and the effect of solution properties using protective devices for the reconstitution of cytotoxic agents in actual situations.
Journal of Oncology Pharmacy Practice 2011 March
PURPOSE: Three products can be used in Japan for the reconstitution of cytotoxic agents: PhaSeal, Chemo CLAVE and Chemo Mini Spike (CMS). The low preparation volume may be affected by residual-related volume in their devices. In this study, the residual-related error in their devices was examined and compared.
METHOD: The blank of each component of these devices was weighed using a precision electric balance. After ejecting distilled water (DW) for injection, each was weighed again with the balance. In addition, for etoposide in the cases of PhaSeal and Chemo CLAVE, the components of the devices were similarly weighed.
RESULT: The weight gains of each device after ejecting DW were as follows: CMS-V (440 mg) greater than the combined components of Chemo CLAVE (128-171 mg)/CMS-MT (123 mg) greater than the combined components of PhaSeal (13-56 mg). For etoposide, the weight gains of PhaSeal (208 mg) and Chemo CLAVE (223 mg) showed no significant difference. The priming volume of each device was calculated from the specific gravity of water. The residual-related volume was 'CMS-V > Chemo CLAVE, CMS-MT > PhaSeal', although this was very slight in actual situations.
CONCLUSION: The residual-related volume was marked in its low preparation volume. In water-soluble drugs, the residual volume of PhaSeal was lowest of the devices in this study, but in viscous drugs, such as etoposide, the residual volume of PhaSeal was almost identical to Chemo CLAVE; that is, the residual volume of these devices was affected by the solution property. The residual-related volume in the devices will lead to errors; therefore, residual-related errors need to be considered in the use of these devices.
METHOD: The blank of each component of these devices was weighed using a precision electric balance. After ejecting distilled water (DW) for injection, each was weighed again with the balance. In addition, for etoposide in the cases of PhaSeal and Chemo CLAVE, the components of the devices were similarly weighed.
RESULT: The weight gains of each device after ejecting DW were as follows: CMS-V (440 mg) greater than the combined components of Chemo CLAVE (128-171 mg)/CMS-MT (123 mg) greater than the combined components of PhaSeal (13-56 mg). For etoposide, the weight gains of PhaSeal (208 mg) and Chemo CLAVE (223 mg) showed no significant difference. The priming volume of each device was calculated from the specific gravity of water. The residual-related volume was 'CMS-V > Chemo CLAVE, CMS-MT > PhaSeal', although this was very slight in actual situations.
CONCLUSION: The residual-related volume was marked in its low preparation volume. In water-soluble drugs, the residual volume of PhaSeal was lowest of the devices in this study, but in viscous drugs, such as etoposide, the residual volume of PhaSeal was almost identical to Chemo CLAVE; that is, the residual volume of these devices was affected by the solution property. The residual-related volume in the devices will lead to errors; therefore, residual-related errors need to be considered in the use of these devices.
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