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Bosentan

Substrate Information
Inhibitor Information
Clinical Drug-drug Interactions

In Vitro Substrates

* denotes drugs that can potentially be used for in vivo (clinical) studies of the designated transporter
Transporter Synonyms Km (μM) Cell System Reference
SLCO1B1 OATP1B1, OATP-C, OATP2, LST-1 44 CHO-OATP1B1 Treiber, 2007
SLCO1B3 OATP1B3, OATP8 141 CHO-OATP1B3 Treiber, 2007
SLCO2B1 OATP2B1, OATP-B 202 CHO-OATP2B1 Treiber, 2007
SLCO1B1 OATP1B1, OATP-C, OATP2, LST-1 4.27 HEK-OATP1B1 Izumi, 2015

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In Vitro Inhibitors

* denotes drugs that can potentially be used for in vivo (clinical) studies of the designated transporter
Transporter Synonyms Inhibitor IC50 (μM) Ki (μM) Substrate used Cell System Reference
ABCC3 MRP3 Bosentan 42 Estradiol-17beta-glucuronide Sf9 cell membrane vesicles Morgan, 2013
ABCC4 MRP4 Bosentan 22 Estradiol-17beta-glucuronide Sf9 cell membrane vesicles Morgan, 2013
SLC10A1 NTCP Bosentan 18 Taurocholate HEK293-ASBT Leslie, 2007
ABCB11 BSEP Bosentan 23 Taurocholate Sf9 cell membrane vesicles Morgan, 2013

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Clinical Drug-Drug Interactions

DDI Implicated Transporter* Interacting Drug Affected Drug AUC Cmax CLR CL/F t1/2 Effect on PD Reference More Details
Clinical PK Impact(fold change)
1 OATP1B1, OATP1B3 Clarithromycin Bosentan 3.73 3.82 ND 0.27 NR Markert, 2014 DDI 1

PK = pharmacokinetic
The transporters are implicated by in vitro data and/or studies in humans with genetic polymorphisms of the transporter
DDI = Drug Drug Interaction
PD = pharmacodynamic
ND = not determined
NS = not significant
N/A = information not available
Calculation of Fold Change: fold change in the presence of the interacting drug = (value with interacting drug)/(value without interacting drug)
fold change > 1: increase in pharmacokinetic value
fold change < 1: decrease in pharmacokinetic value


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