Wechselwirkungen · Tracleer
Tracleer 32 mg dispersible tablets · Abschnitt 4.5 · PDF-Seite 32
HOS-109984 · Präparat HOS-093279
Warfarin: Co-administration of bosentan 500 mg twice daily for 6 days decreased the plasma concentrations of both S-warfarin (a CYP2C9 substrate) and R-warfarin (a CYP3A4 substrate) by 29% and 38%, respectively. Clinical experience with concomitant administration of bosentan with warfarin in patients with PAH did not result in clinically relevant changes in International Normalised Ratio (INR) or warfarin dose (baseline versus end of the clinical studies). In addition, the frequency of changes in warfarin dose during the studies due to changes in INR or due to adverse events was similar among bosentan- and placebo-treated patients. No dose adjustment is needed for warfarin and similar oral anticoagulant agents when bosentan is initiated, but intensified monitoring of INR is recommended, especially during bosentan initiation and the up-titration period.
Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.
RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): bosentan (HOS-086291) warfarin (HOS-085950)
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Version 2024-10-25T15:01:00Z · SHA-256 eddfcd40df26bd01c2c7847da53c544c94e0bafb8bcc62374b5c7788669470bc · Passage c25937fdf119bb21dc65e12ea7a2215145f0b3b92731f3e621377dd84fa9e785 · Zeichen 6150–7014 im Abschnitt