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Fexofenadine

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
SLCO1A2 OATP1A2, OATP-A 6.4 HeLa-OATP1A2 Cvetkovic, 1999
SLCO2B1 OATP2B1, OATP-B ND HEK293-OATP2B1 Nozawa, 2004
ABCB1 MDR1, P-gp 150 Caco-2 Petri, 2004
SLCO1B3 OATP1B3, OATP8 108 HEK293-OATP1B3 Shimizu, 2005
SLC22A8 OAT3 70.2 HEK293-OAT3 Tahara, 2006
ABCC3 MRP3 ND MRP3-expressing HEK293 vesicles Matsushima, 2008
SLCO1B1 OATP1B1, OATP-C, OATP2, LST-1 61.6 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
SLCO1B3 OATP1B3, OATP8 Fexofenadine 83.3 CCK-8 HEK293-OATP1B3 Shimizu, 2005
SLCO1B1 OATP1B1, OATP-C, OATP2, LST-1 Fexofenadine 257 Estrone sulfate HEK293-OATP1B1 Shimizu, 2005
SLCO1B3 OATP1B3, OATP8 Fexofenadine 205 Estrone sulfate HEK293-OATP1B3 Shimizu, 2005

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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 MDR1 Breviscapine Fexofenadine 0.86 0.98 1.03 0.99 ND Zhao, 2021 DDI 1
2 ABCB1/OATPs Indinavir / Ritonavir Fexofenadine 4.8 2.5 ND 0.2 0.7 ND Kharasch, 2009 DDI 2

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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