QT time prolongation
Adverse drug events
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Explanations of the substances for patients
We have no additional warnings for the combination of abarelix and gilteritinib. Please also consult the relevant specialist information.
The reported changes in exposure correspond to the changes in the plasma concentration-time curve [ AUC ]. We do not expect any change in exposure for abarelix, when combined with gilteritinib (100%). We do not expect any change in exposure for gilteritinib, when combined with abarelix (100%).
The pharmacokinetic parameters of the average population are used as the starting point for calculating the individual changes in exposure due to the interactions.
The bioavailability of abarelix is unknown. The terminal half-life [ t12 ] is rather long at 316.8 hours and constant plasma levels [ Css ] are only reached after more than 1267.2 hours. The protein binding [ Pb ] is 97.5% strong. The metabolism via cytochromes is currently still being worked on.
Gilteritinib has a mean oral bioavailability [ F ] of 70%, which is why the maximum plasma levels [Cmax] tend to change with an interaction. The terminal half-life [ t12 ] is rather long at 113 hours and constant plasma levels [ Css ] are only reached after more than 452 hours. The protein binding [ Pb ] is moderately strong at 94%. Since the substance has a low hepatic extraction rate of 0.10, displacement from protein binding [Pb] in the context of an interaction can lead to increased exposure. The metabolism mainly takes place via CYP3A4 and the active transport takes place in particular via PGP.
|Serotonergic Effects a||0||Ø||Ø|
Rating: According to our knowledge, neither abarelix nor gilteritinib increase serotonergic activity.
|Kiesel & Durán b||0||Ø||Ø|
Rating: According to our knowledge, neither abarelix nor gilteritinib increase anticholinergic activity.
QT time prolongation
Rating: In combination, abarelix and gilteritinib can potentially trigger ventricular arrhythmias of the torsades de pointes type.
General adverse effects
|Side effects||∑ frequency||aba||gil|
|Peripheral edema||26.5 %||n.a.||26.5|
|Renal failure||21.0 %||n.a.||21.0|
Nausea (20%): gilteritinib
Cough (20%): gilteritinib
Headache (17.5%): gilteritinib
Dizziness (16.5%): gilteritinib
Hypersensitivity reaction (8%): gilteritinib
Heart failure (4%): gilteritinib
Cardiac arrest: gilteritinib
Elevated ALT: gilteritinib
Elevated AST: gilteritinib
Based on your answers and scientific information, we assess the individual risk of undesirable side effects. These recommendations are intended to advise professionals and are not a substitute for consultation with a doctor. In the restricted test version (alpha), the risk of all substances has not yet been conclusively assessed.
No literature information available.