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Documentation of study medication dispensing in a prospective large randomized clinical trial: Experiences from the ARISTOTLE Trial
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2013 (engelsk)Inngår i: American Heart Journal, ISSN 0002-8703, E-ISSN 1097-6744, Vol. 166, nr 3, s. 559-+Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background In ARISTOTLE, apixaban resulted in a 21% reduction in stroke, a 31% reduction in major bleeding, and an 11% reduction in death. However, approval of apixaban was delayed to investigate a statement in the clinical study report that "7.3% of subjects in the apixaban group and 1.2% of subjects in the warfarin group received, at some point during the study, a container of the wrong type." Methods Rates of study medication dispensing error were characterized through reviews of study medication container tear-off labels in 6,520 participants from randomly selected study sites. The potential effect of dispensing errors on study outcomes was statistically simulated in sensitivity analyses in the overall population. Results The rate of medication dispensing error resulting in treatment error was 0.04%. Rates of participants receiving at least 1 incorrect container were 1.04% (34/3,273) in the apixaban group and 0.77% (25/3,247) in the warfarin group. Most of the originally reported errors were data entry errors in which the correct medication container was dispensed but the wrong container number was entered into the case report form. Sensitivity simulations in the overall trial population showed no meaningful effect of medication dispensing error on the main efficacy and safety outcomes. Conclusions Rates of medication dispensing error were low and balanced between treatment groups. The initially reported dispensing error rate was the result of data recording and data management errors and not true medication dispensing errors. These analyses confirm the previously reported results of ARISTOTLE.

sted, utgiver, år, opplag, sider
2013. Vol. 166, nr 3, s. 559-+
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-209169DOI: 10.1016/j.ahj.2013.05.025ISI: 000324163600032OAI: oai:DiVA.org:uu-209169DiVA, id: diva2:656209
Tilgjengelig fra: 2013-10-15 Laget: 2013-10-15 Sist oppdatert: 2017-12-06bibliografisk kontrollert

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