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12.12.2018 | Original Article | Ausgabe 6/2019

Heart and Vessels 6/2019

A pharmacodynamics comparison of prasugrel and clopidogrel in patients undergoing hemodialysis

Zeitschrift:
Heart and Vessels > Ausgabe 6/2019
Autoren:
Taro Kamada, Masamichi Iwasaki, Akihide Konishi, Toshiro Shinke, Hiroshi Okamoto, Takatoshi Hayashi, Ken-ichi Hirata

Abstract

Platelet reactivity in the presence of clopidogrel is deteriorated in patients undergoing hemodialysis (HD). However, the impact of residual platelet reactivity with prasugrel use in Japanese patients on HD remains unclear. This was a prospective, multi-center, single-arm study conducted to compare platelet reactivity of prasugrel 3.75 mg per day vs. clopidogrel 75 mg per day in patients on chronic HD. We assessed P2Y12 reaction units (PRU) using the VerifyNow® P2Y12 test for all enrolled patients at baseline (clopidogrel treatment) and at 14 days (prasugrel treatment) pre- and post-HD. Clinical outcomes data were obtained on day 14. A total of 38 patients on HD were included in this study. The PRU were significantly higher in patients on clopidogrel than in patients on prasugrel in both phases (pre-HD: clopidogrel 226 ± 80 vs. prasugrel 175 ± 82, p < 0.001) (post-HD: clopidogrel 256 ± 67 vs. prasugrel 210 ± 63, p < 0.001). There were no patients with bleeding or adverse events during the two weeks of prasugrel treatment. Prasugrel 3.75 mg per day, adjusted for Japanese patients, inhibited platelet aggregation better than clopidogrel, even after hemodialysis, which might contribute to the reduced incidence of major adverse event in patients undergoing HD.

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