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Hirvensalo P, Tornio A, Launiainen T, Paile‐Hyvärinen M, Tapaninen T, Neuvonen M, Backman JT, Niemi M. UGT1A3 and Sex Are Major Determinants of Telmisartan Pharmacokinetics—A Comprehensive Pharmacogenomic Study. Clin Pharmacol Ther 2020; 108:885-895. [DOI: 10.1002/cpt.1928] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 05/19/2020] [Indexed: 12/16/2022]
Affiliation(s)
- Päivi Hirvensalo
- Department of Clinical Pharmacology University of Helsinki and HUS Diagnostic Center, Helsinki University Hospital Helsinki Finland
- Individualized Drug Therapy Research Program Faculty of Medicine University of Helsinki Helsinki Finland
| | - Aleksi Tornio
- Department of Clinical Pharmacology University of Helsinki and HUS Diagnostic Center, Helsinki University Hospital Helsinki Finland
- Individualized Drug Therapy Research Program Faculty of Medicine University of Helsinki Helsinki Finland
| | - Terhi Launiainen
- Department of Clinical Pharmacology University of Helsinki and HUS Diagnostic Center, Helsinki University Hospital Helsinki Finland
- Individualized Drug Therapy Research Program Faculty of Medicine University of Helsinki Helsinki Finland
| | - Maria Paile‐Hyvärinen
- Department of Clinical Pharmacology University of Helsinki and HUS Diagnostic Center, Helsinki University Hospital Helsinki Finland
- Individualized Drug Therapy Research Program Faculty of Medicine University of Helsinki Helsinki Finland
| | - Tuija Tapaninen
- Department of Clinical Pharmacology University of Helsinki and HUS Diagnostic Center, Helsinki University Hospital Helsinki Finland
- Individualized Drug Therapy Research Program Faculty of Medicine University of Helsinki Helsinki Finland
| | - Mikko Neuvonen
- Department of Clinical Pharmacology University of Helsinki and HUS Diagnostic Center, Helsinki University Hospital Helsinki Finland
- Individualized Drug Therapy Research Program Faculty of Medicine University of Helsinki Helsinki Finland
| | - Janne T. Backman
- Department of Clinical Pharmacology University of Helsinki and HUS Diagnostic Center, Helsinki University Hospital Helsinki Finland
- Individualized Drug Therapy Research Program Faculty of Medicine University of Helsinki Helsinki Finland
| | - Mikko Niemi
- Department of Clinical Pharmacology University of Helsinki and HUS Diagnostic Center, Helsinki University Hospital Helsinki Finland
- Individualized Drug Therapy Research Program Faculty of Medicine University of Helsinki Helsinki Finland
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Ghadimi M, Dashti-Khavidaki S, Shahali M, Gohari M, Khatami MR, Alamdari A. Tacrolimus interaction with oral oestrogen in kidney transplant recipients: A case-control study. J Clin Pharm Ther 2018; 43:513-518. [DOI: 10.1111/jcpt.12672] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Accepted: 01/18/2018] [Indexed: 12/16/2022]
Affiliation(s)
- M. Ghadimi
- Faculty of Pharmacy, Resident of Clinical Pharmacy; Tehran University of Medical Sciences; Tehran Iran
- Resident of Clinical Pharmacy; Liver Transplantation Research Center; Imam Khomeini Hospital Complex; Tehran University of Medical Sciences; Tehran Iran
| | - S. Dashti-Khavidaki
- Nephrology Research Center; Tehran University of Medical Sciences; Tehran Iran
- Faculty of Pharmacy; Tehran University of Medical Sciences; Tehran Iran
| | - M. Shahali
- Faculty of Pharmacy; Tehran University of Medical Sciences; Tehran Iran
| | - M. Gohari
- Faculty of Pharmacy; Tehran University of Medical Sciences; Tehran Iran
| | - M.-R. Khatami
- Nephrology Research Center; Tehran University of Medical Sciences; Tehran Iran
| | - A. Alamdari
- Nephrology Research Center; Tehran University of Medical Sciences; Tehran Iran
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Ginecomastia por tacrolimus en un paciente con polimiositis. Med Clin (Barc) 2016; 146:284-5. [DOI: 10.1016/j.medcli.2015.10.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 09/17/2015] [Accepted: 10/01/2015] [Indexed: 11/18/2022]
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Tanaka Y, Katoh M, Fujioka M, Onishi K, Sakakibara Y, Hasegawa T, Nadai M. [Effect of tacrolimus on the pharmacokinetics and glucuronidation of SN-38, an active metabolite of irinotecan]. YAKUGAKU ZASSHI 2013; 133:463-71. [PMID: 23328499 DOI: 10.1248/yakushi.12-00276] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The present study has investigated the effect of tacrolimus on the pharmacokinetics of an active metabolite of irinotecan (CPT-11), 7-ethyl-10-hydroxy-camptothecin (SN-38) and SN-38 glucuronide (SN-38G) in rats. The effect of tacrolimus on SN-38 glucuronidation was also investigated in human and rat liver microsomes. When tacrolimus (0.5 mg/kg) was intravenously injected in rats 15 min before intravenous injection of CPT-11 (5 mg/kg), tacrolimus decreased the plasma concentration of SN-38G. Tacrolimus significantly decreased the area under plasma concentration-time curve (AUC) of SN-38G without change in the mean residence time. On the contrary, significant changes in the pharmacokinetic parameters of SN-38 were not observed. SN-38 glucuronidation in human and rat liver microsomes was inhibited dose-dependently by the presence of tacrolimus and the 50% inhibition concentration (IC50) values of tacrolimus in rat and human liver microsomes were 10.33 μM and 3.58 μM, respectively. When the inhibition type was determined by Lineweaver-Burk and Dixon plots, the inhibition was noncompetitive and the calculated inhibition constant (Ki) values for rat and human liver microsomes were 12.57 μM and 3.88 μM, respectively. These findings suggest that tacrolimus inhibits UGT1A1-mediated SN-38 glucuronidation. Considering the IC50 and Ki values for tacrolimus, it is likely that tacrolimus does not alter the pharmacokinetics of SN-38 and SN-38G at the clinically used dosages, suggesting the possibility that tacrolimus can use safely for cancer patients with irinotecan chemotherapy.
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Affiliation(s)
- Yoshiteru Tanaka
- Department of Pharmaceutics, Faculty of Pharmacy, Meijo University, Nagoya 468-8503, Japan
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Abstract
Drugs account for about 20% of gynecomastia cases in men. As a number of factors can alter the estrogen:androgen ratio, several pathophysiologic mechanisms are associated with drugs causing this disorder. Antiandrogens, protease inhibitors, and nucleoside reverse transcriptase inhibitors are the most common drug causes of gynecomastia, whereas first-generation antipsychotics, spironolactone, verapamil, and cimetidine are less common causes. Other drugs have been reported rarely as causes. Treatment may involve switching to an alternative agent or may require surgery or irradiation if the causative agent cannot be discontinued. We reviewed the literature on drug-induced gynecomastia and provided another perspective by reviewing data from the United States Food and Drug Administration's Adverse Event Reporting System. Epidemiologic studies are needed to provide a more accurate description of the frequency of drug-induced gynecomastia.
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Affiliation(s)
- John D Bowman
- Department of Pharmacy Practice, Rangel College of Pharmacy, Texas A&M Health Science Center, Kingsville, TX 78363-8202, USA.
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Yoshida K, Maeda K, Sugiyama Y. Transporter-mediated drug--drug interactions involving OATP substrates: predictions based on in vitro inhibition studies. Clin Pharmacol Ther 2012; 91:1053-64. [PMID: 22534868 DOI: 10.1038/clpt.2011.351] [Citation(s) in RCA: 127] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Transporter-mediated drug–drug interactions (DDIs) are among the most important of the clinically relevant pharmacokinetic DDIs. We investigated the validity of a static prediction of area under the plasma concentration-time curve (AUC) ratios (AUCRs; AUC(with inhibitor)/AUC(control) using in vitro inhibition profiles, and selected the types of assumptions that improved the prediction accuracy with minimizing false-negative predictions. We used data from 58 DDI studies involving 12 substrates of hepatic organic anion–transporting polypeptides (OATPs). With original assumptions regarding the maximal increase in intestinal availability, maximum unbound concentration at the inlet to the liver, and inhibition of only the hepatic uptake process, the predicted AUCRs were comparable to those reported within a two/threefold error margin in 44/52 studies, whereas in 16 studies, the predictions were judged to be falsenegatives. When the inhibitory effects on both hepatic uptake and efflux/metabolisms were considered, the overall prediction accuracy became worse, although the false-negative prediction decreased to 11 studies. This illustrates that if appropriate assumptions are selected, unnecessary clinical DDI studies can be reasonably avoided.
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Affiliation(s)
- K Yoshida
- Department of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
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Deepinder F, Braunstein GD. Drug-induced gynecomastia: an evidence-based review. Expert Opin Drug Saf 2012; 11:779-95. [PMID: 22862307 DOI: 10.1517/14740338.2012.712109] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Affiliation(s)
- W Krause
- Department of Dermatology, University Hospital, Marburg, Germany.
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Oswald S, Nassif A, Modess C, Keiser M, Ulrich A, Runge D, Hanke U, Lütjohann D, Engel A, Weitschies W, Siegmund W. Drug Interactions Between the Immunosuppressant Tacrolimus and the Cholesterol Absorption Inhibitor Ezetimibe in Healthy Volunteers. Clin Pharmacol Ther 2011; 89:524-8. [DOI: 10.1038/clpt.2011.4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Migali G, Tintillier M. Interaction between estradiol and tacrolimus in kidney-transplanted menopausal women. Clin Kidney J 2008; 1:277-8. [PMID: 25983910 PMCID: PMC4421203 DOI: 10.1093/ndtplus/sfn035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Affiliation(s)
- Gabriela Migali
- Department of Nephrology , Cliniques Universitaires Saint Luc , Brussels
| | - Michel Tintillier
- Department of Nephrology , Clinique et Maternité Sainte Elisabeth , Namur , Belgium
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Klieber S, Hugla S, Ngo R, Arabeyre-Fabre C, Meunier V, Sadoun F, Fedeli O, Rival M, Bourrie M, Guillou F, Maurel P, Fabre G. Contribution of theN-Glucuronidation Pathway to the Overall in Vitro Metabolic Clearance of Midazolam in Humans. Drug Metab Dispos 2008; 36:851-62. [DOI: 10.1124/dmd.107.019539] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Affiliation(s)
- Glenn D Braunstein
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA.
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Yong WP, Desai AA, Innocenti F, Ramirez J, Shepard D, Kobayashi K, House L, Fleming GF, Vogelzang NJ, Schilsky RL, Ratain MJ. Pharmacokinetic modulation of oral etoposide by ketoconazole in patients with advanced cancer. Cancer Chemother Pharmacol 2007; 60:811-9. [PMID: 17308893 DOI: 10.1007/s00280-007-0428-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2006] [Accepted: 01/15/2007] [Indexed: 11/28/2022]
Abstract
PURPOSE Etoposide is a widely used cytotoxic drug that is commercially available in both intravenous and oral formulations. High interpatient pharmacokinetic variability has been associated with oral etoposide administration. Various strategies used in the past to reduce such variability have not been successful. Hence, this study was designed to evaluate if pharmacokinetic modulation of oral etoposide with ketoconazole could lead to a favorable alteration of etoposide pharmacokinetics, and to assess the feasibility and safety of this approach. METHODS Thirty-two patients were treated with ketoconazole 200 mg daily with an escalating dose of oral etoposide starting at a dose of 50 mg every other day. Pharmacokinetic samples were obtained during the first treatment cycle after the administration of an oral etoposide and ketoconazole dose. Additional baseline pharmacokinetic studies of etoposide alone were performed 4 days prior to the first treatment cycle. RESULTS Dose limiting toxicities were neutropenia and fatigue. Ketoconazole increased the area under the plasma concentration-time curve (AUC) of oral etoposide by a median of 20% (p < 0.005). Ketoconazole did not reduce the interpatient variability in etoposide pharmacokinetics. Pretreatment bilirubin levels correlated with etoposide clearance (Spearman's r = -0.48, p = 0.008). The maximum tolerated dose was etoposide administered at 50 mg daily and ketoconazole 200 mg qd for 3 of 5 weeks. CONCLUSIONS Ketoconazole reduces the apparent clearance of oral etoposide, does not alter its toxicity profile and does not reduce interpatient pharmacokinetic variability. Other methods to reduce the pharmacokinetic variability of oral etoposide are needed.
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Affiliation(s)
- Wei Peng Yong
- Committee on Clinical Pharmacology and Pharmacogenomics, University of Chicago, 5841 S Maryland Ave, MC2115, Chicago, IL 60637, USA
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Yong WP, Ramirez J, Innocenti F, Ratain MJ. Effects of Ketoconazole on Glucuronidation by UDP-Glucuronosyltransferase Enzymes. Clin Cancer Res 2005; 11:6699-704. [PMID: 16166450 DOI: 10.1158/1078-0432.ccr-05-0703] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Ketoconazole has been shown to inhibit the glucuronidation of the UGT2B7 substrates zidovudine and lorazepam. Its effect on UGT1A substrates is unclear. A recent study found that coadministration of irinotecan and ketoconazole led to a significant increase in the formation of SN-38 (7-ethyl-10-hydroxycamptothecine), an UGT1A substrate. This study investigates whether ketoconazole contributes to the increase in SN-38 formation by inhibiting SN-38 glucuronidation. EXPERIMENTAL DESIGN SN-38 glucuronidation activities were determined by measuring the rate of SN-38 glucuronide (SN-38G) formation using pooled human liver microsomes and cDNA-expressed UGT1A isoforms (1A1, 1A7 and 1A9) in the presence of ketoconazole. Indinavir, a known UGT1A1 inhibitor, was used as a positive control. SN-38G formation was measured by high-performance liquid chromatograph. RESULTS Ketoconazole competitively inhibited SN-38 glucuronidation. Among the UGT1A isoforms screened, ketoconazole showed the highest inhibitory effect on UGT1A1 and UGT1A9. The K(i) values were 3.3 +/- 0.8 micromol/L for UGT1A1 and 31.9 +/- 3.3 micromol/L for UGT1A9. CONCLUSIONS These results show that ketoconazole is a potent UGT1A1 inhibitor, which seems the basis for increased exposure to SN-38 when coadministered with irinotecan.
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Affiliation(s)
- Wei Peng Yong
- Committee on Clinical Pharmacology and Pharmacogenomics, The University of Chicago, IL 60637, USA
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