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Deng F, Sjöstedt N, Santo M, Neuvonen M, Niemi M, Kidron H. Novel inhibitors of breast cancer resistance protein (BCRP, ABCG2) among marketed drugs. Eur J Pharm Sci 2023; 181:106362. [PMID: 36529162 DOI: 10.1016/j.ejps.2022.106362] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 11/11/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
Drug-drug interactions (DDIs) are a major concern for the safe use of medications. Breast cancer resistance protein (BCRP) is a clinically relevant ATP-binding cassette (ABC) transporter for drug disposition. Inhibition of BCRP increases the plasma concentrations of BCRP substrate drugs, which potentially could lead to adverse drug reactions. The aim of the present study was to identify BCRP inhibitors amongst a library of 232 commonly used drugs and anticancer drugs approved by the United States Food and Drug Administration (FDA). BCRP inhibition studies were carried out using the vesicular transport assay. We found 75 drugs that reduced the relative transport activity of BCRP to less than 25% of the vehicle control and were categorized as strong inhibitors. The concentration required for 50% inhibition (IC50) was determined for 13 strong inhibitors that were previously poorly characterized for BCRP inhibition. The IC50 ranged from 1.1 to 11 µM, with vemurafenib, dabigatran etexilate and everolimus being the strongest inhibitors. According to the drug interaction guidance documents from the FDA and the European Medicines Agency (EMA), in vivo DDI studies are warranted if the theoretical intestinal luminal concentration of a drug exceeds its IC50 by tenfold. Here, the IC50 values for eight of the drugs were 100-fold lower than their theoretical intestinal luminal concentration. Moreover, a mechanistic static model suggested that vemurafenib, bexarotene, dabigatran etexilate, rifapentine, aprepitant, and ivacaftor could almost fully inhibit intestinal BCRP, increasing the exposure of concomitantly administered rosuvastatin over 90%. Therefore, clinical studies are warranted to investigate whether these drugs cause BCRP-mediated DDIs in humans.
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Affiliation(s)
- Feng Deng
- Department of Clinical Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland. Tukholmankatu 8 C, P.O. Box 20, 00014, Finland; Individualized Drug Therapy Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland. Haartmaninkatu 8, P.O. Box 63, 00014, Finland
| | - Noora Sjöstedt
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland. Viikinkaari 5 E, P.O. Box 56, 00014, Finland
| | - Mariangela Santo
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland. Viikinkaari 5 E, P.O. Box 56, 00014, Finland
| | - Mikko Neuvonen
- Department of Clinical Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland. Tukholmankatu 8 C, P.O. Box 20, 00014, Finland; Individualized Drug Therapy Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland. Haartmaninkatu 8, P.O. Box 63, 00014, Finland
| | - Mikko Niemi
- Department of Clinical Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland. Tukholmankatu 8 C, P.O. Box 20, 00014, Finland; Individualized Drug Therapy Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland. Haartmaninkatu 8, P.O. Box 63, 00014, Finland; Department of Clinical Pharmacology, HUS Diagnostic Center, Helsinki University Hospital, Helsinki, Finland
| | - Heidi Kidron
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland. Viikinkaari 5 E, P.O. Box 56, 00014, Finland.
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Te Brake LHM, Russel FGM, van den Heuvel JJMW, de Knegt GJ, de Steenwinkel JE, Burger DM, Aarnoutse RE, Koenderink JB. Inhibitory potential of tuberculosis drugs on ATP-binding cassette drug transporters. Tuberculosis (Edinb) 2015; 96:150-7. [PMID: 26682943 DOI: 10.1016/j.tube.2015.08.004] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Revised: 08/05/2015] [Accepted: 08/10/2015] [Indexed: 12/17/2022]
Abstract
BACKGROUND Multiple-drug therapy for tuberculosis (TB) and TB-associated co-morbidity increase the likelihood of drug-drug interactions (DDIs). Inhibition of membrane transporters is an important mechanism underlying DDIs. In this study, we assessed the in vitro inhibitory potential of currently used first and second-line TB drugs and of proposed mycobacterial efflux pump inhibitors (EPIs) on the major ABC transporters relevant to drug transport, namely P-gp, BCRP, BSEP and MRP1-5. METHODS Membrane vesicles isolated from transporter-overexpressing HEK293 cells were used to study the inhibitory action of TB drugs and EPIs on the transport of model substrates [(3)H]-NMQ (P-gp); [(3)H]-E1S (BCRP); [(3)H]-TCA (BSEP); [(3)H]-E217βG (MRP1, 3 and 4) and [(3)H]-MTX (MRP2 and 5). RESULTS A strong inhibition (IC50 value <15 μM) was observed for clofazimine (P-gp, BCRP and MRP1), thioridazine (BCRP), timcodar (P-gp, BSEP and MRP1) and SQ109 (P-gp and BCRP). Rifampicin inhibited all transporters, but less potently. CONCLUSIONS Co-administration of clofazimine, thioridazine, timcodar, SQ109 and possibly rifampicin with drugs that are substrates for the inhibited transporters may lead to DDIs. The mycobacterial EPIs potently inhibited a wider range of human ABC transporters than previously reported. These vesicular transport data are especially valuable considering the current emphasis on development of TB drug regimens.
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Affiliation(s)
- Lindsey H M Te Brake
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein 26, 6525 GA, Internal Postal Code 149, Nijmegen, The Netherlands; Department of Pharmacy, Radboud Institute for Health Sciences, Radboud University Medical Center, Geert Grooteplein 10, 6525 GA, Internal Postal Code 864, Nijmegen, The Netherlands.
| | - Frans G M Russel
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein 26, 6525 GA, Internal Postal Code 149, Nijmegen, The Netherlands.
| | - Jeroen J M W van den Heuvel
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein 26, 6525 GA, Internal Postal Code 149, Nijmegen, The Netherlands.
| | - Gerjo J de Knegt
- Department of Medical Microbiology and Infectious Diseases, Erasmus Medical Center, 's-Gravendijkwal 230, 3015 CE, Rotterdam, The Netherlands.
| | - Jurriaan E de Steenwinkel
- Department of Medical Microbiology and Infectious Diseases, Erasmus Medical Center, 's-Gravendijkwal 230, 3015 CE, Rotterdam, The Netherlands.
| | - David M Burger
- Department of Pharmacy, Radboud Institute for Health Sciences, Radboud University Medical Center, Geert Grooteplein 10, 6525 GA, Internal Postal Code 864, Nijmegen, The Netherlands.
| | - Rob E Aarnoutse
- Department of Pharmacy, Radboud Institute for Health Sciences, Radboud University Medical Center, Geert Grooteplein 10, 6525 GA, Internal Postal Code 864, Nijmegen, The Netherlands.
| | - Jan B Koenderink
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein 26, 6525 GA, Internal Postal Code 149, Nijmegen, The Netherlands.
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Gozalpour E, Greupink R, Bilos A, Verweij V, van den Heuvel JJMW, Masereeuw R, Russel FGM, Koenderink JB. Convallatoxin: a new P-glycoprotein substrate. Eur J Pharmacol 2014; 744:18-27. [PMID: 25264938 DOI: 10.1016/j.ejphar.2014.09.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Revised: 09/18/2014] [Accepted: 09/19/2014] [Indexed: 02/08/2023]
Abstract
Digitalis-like compounds (DLCs), such as digoxin and digitoxin that are derived from digitalis species, are currently used to treat heart failure and atrial fibrillation, but have a narrow therapeutic index. Drug-drug interactions at the transporter level are frequent causes of DLCs toxicity. P-glycoprotein (P-gp, ABCB1) is the primary transporter of digoxin and its inhibitors influence pharmacokinetics and disposition of digoxin in the human body; however, the involvement of P-gp in the disposition of other DLCs is currently unknown. In present study, the transport of fourteen DLCs by human P-gp was studied using membrane vesicles originating from human embryonic kidney (HEK293) cells overexpressing P-gp. DLCs were quantified by liquid chromatography-mass spectrometry (LC-MS). The Lily of the Valley toxin, convallatoxin, was identified as a P-gp substrate (Km: 1.1±0.2 mM) in the vesicular assay. Transport of convallatoxin by P-gp was confirmed in rat in vivo, in which co-administration with the P-gp inhibitor elacridar, resulted in increased concentrations in brain and kidney cortex. To address the interaction of convallatoxin with P-gp on a molecular level, the effect of nine alanine mutations was compared with the substrate N-methyl quinidine (NMQ). Phe343 appeared to be more important for transport of NMQ than convallatoxin, while Val982 was particularly relevant for convallatoxin transport. We identified convallatoxin as a new P-gp substrate and recognized Val982 as an important amino acid involved in its transport. These results contribute to a better understanding of the interaction of DLCs with P-gp.
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Affiliation(s)
- Elnaz Gozalpour
- Department of Pharmacology and Toxicology 149, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences, PO Box 9101, 6500 HB Nijmegen, The Netherlands
| | - Rick Greupink
- Department of Pharmacology and Toxicology 149, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences, PO Box 9101, 6500 HB Nijmegen, The Netherlands
| | - Albert Bilos
- Department of Pharmacology and Toxicology 149, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences, PO Box 9101, 6500 HB Nijmegen, The Netherlands
| | - Vivienne Verweij
- Department of Pharmacology and Toxicology 149, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences, PO Box 9101, 6500 HB Nijmegen, The Netherlands
| | - Jeroen J M W van den Heuvel
- Department of Pharmacology and Toxicology 149, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences, PO Box 9101, 6500 HB Nijmegen, The Netherlands
| | - Rosalinde Masereeuw
- Department of Pharmacology and Toxicology 149, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences, PO Box 9101, 6500 HB Nijmegen, The Netherlands
| | - Frans G M Russel
- Department of Pharmacology and Toxicology 149, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences, PO Box 9101, 6500 HB Nijmegen, The Netherlands
| | - Jan B Koenderink
- Department of Pharmacology and Toxicology 149, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences, PO Box 9101, 6500 HB Nijmegen, The Netherlands.
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