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Mansell H, Shoker A, Alcorn J, Fenton ME, Tam JS, Semchuk W, Bashir B, Kraft WK, Yao S, Douketis JD. Pharmacokinetics of Apixaban and Tacrolimus or Cyclosporine in Kidney and Lung Transplant Recipients. Clin Transl Sci 2022; 15:1687-1697. [PMID: 35439353 PMCID: PMC9283751 DOI: 10.1111/cts.13284] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 03/18/2022] [Accepted: 03/31/2022] [Indexed: 11/29/2022] Open
Abstract
Apixaban is frequently used off‐label in transplant recipients. However, a potential drug interaction exists with the calcineurin inhibitors. We conducted an open‐label drug–drug interaction study to determine the pharmacokinetics of apixaban in lung and kidney transplant recipients who were taking a calcineurin inhibitor. A single dose of apixaban 10 mg was administered orally to kidney and lung transplant recipients maintained on either tacrolimus or cyclosporine, and pharmacokinetic parameters were compared to a reference cohort of 12 healthy subjects who used the same apixaban dose and pharmacokinetic blood sampling. Fourteen participants were enrolled (n = 6 kidney, n = 8 lung), with 10 maintained on tacrolimus and four on cyclosporine. Data from 13 participants was usable. Participants were taking triple therapy immunosuppression and had a mean (SD) of 12 (3) medications. Participants receiving tacrolimus and cyclosporine had area under the plasma concentration–time curve from time zero to infinity (AUC0‐inf) geometric least square means (90% confidence interval [CI]) of 4312 (95% CI 3682, 5049) and 5388 (95% CI 3277, 8858), respectively. Compared to healthy subjects, the associated geometric mean ratios (GMRs) for apixaban maximum plasma concentration (Cmax), AUC from time zero to the last quantifiable concentration (AUC0‐tlast) and AUC0‐inf were 197% (95% CI 153, 295), 244% (95% CI 184, 323), and 224% (95% CI 170, 295) for transplant recipients on tacrolimus. The GMR (90% CI) Cmax, AUC0‐tlast, and AUC0‐inf of apixaban for patients on cyclosporine were 256% (95% CI 184, 358), 287% (95% CI 198, 415), and 280% (95% CI 195, 401). Kidney and lung transplant recipients receiving tacrolimus had higher apixaban exposure. A similar trend was noted for patients receiving cyclosporine, but additional patients are needed to confirm this interaction. Future studies are needed before apixaban can be safely recommended in this population, and the impact of dose staggering should be investigated. This study highlights the importance of pharmacokinetic studies in actual patient populations.
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Affiliation(s)
- Holly Mansell
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK, Canada
| | - Ahmed Shoker
- Divison of Medicine, Department of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Jane Alcorn
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK, Canada
| | - Mark E Fenton
- Division of Respirology, Critical Care and Sleep Medicine, Department of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Julian S Tam
- Division of Respirology, Critical Care and Sleep Medicine, Department of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - William Semchuk
- Pharmacy Services, Saskatchewan Health Authority, Regina, SK, Canada
| | - Babar Bashir
- Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Walter K Kraft
- Dept. of Pharmacology and Experimental Therapeutics, Thomas Jefferson University, Philadelphia, PA, USA
| | - Shenzhen Yao
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK, Canada
| | - James D Douketis
- Dept. of Medicine, St. Joseph's Healthcare Hamilton and McMaster University, Hamilton, ON, Canada
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Peterson BE, Bhatt DL. Looking into the next decade of antithrombotic therapy for patients with atrial fibrillation and percutaneous coronary intervention. J Thromb Thrombolysis 2020; 49:522-526. [PMID: 32166541 DOI: 10.1007/s11239-020-02081-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Patients with atrial fibrillation who undergo percutaneous coronary intervention are at increased risk for both coronary and cerebral thrombotic events. As a result, antithrombotic therapy for this patient population continues to pose a significant challenge. In this review, we discuss the development of warfarin triple therapy as the standard of care in the last century, the transition to dual therapy with warfarin and a P2Y12 inhibitor, the advent of NOACs, recent clinical trials, and new regimens with a NOAC and a P2Y12 inhibitor. We also discuss our current clinical practice, based on the available data.
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Affiliation(s)
- Benjamin E Peterson
- Brigham and Women's Hospital Heart & Vascular Center, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA
| | - Deepak L Bhatt
- Brigham and Women's Hospital Heart & Vascular Center, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA.
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Liu ZP, Yang HL, Hou RG, Li ES, Liu XJ. Synthesis, crystal structure, anti-colon cancer activity of a new heterocycles compound. MAIN GROUP CHEMISTRY 2019. [DOI: 10.3233/mgc-190785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Zhi-Peng Liu
- Clinical Medical College, Shandong First Medical University, Tai’an, Shandong, China
| | - Hai-Lin Yang
- Department of Oncology, People’s Hospital of Linyi Economic and Technological Development, Linyi, Shandong, China
| | - Rui-Gang Hou
- Clinical Medical College, Shandong First Medical University, Tai’an, Shandong, China
| | - En-Shan Li
- Department of Surgery, Linyi Cancer Hospital, Linyi, Shandong, China
| | - Xue-Jian Liu
- Department of Oncology, People’s Hospital of Linyi Economic and Technological Development, Linyi, Shandong, China
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Huppertz A, Grond-Ginsbach C, Dumschat C, Foerster KI, Burhenne J, Weiss J, Czock D, Purrucker JC, Rizos T, Haefeli WE. Unexpected excessive apixaban exposure: case report of a patient with polymorphisms of multiple apixaban elimination pathways. BMC Pharmacol Toxicol 2019; 20:53. [PMID: 31464657 PMCID: PMC6716843 DOI: 10.1186/s40360-019-0331-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 08/23/2019] [Indexed: 12/22/2022] Open
Abstract
Background Apixaban effectively lowers the risk of ischemic stroke and systemic embolism in patients with non-valvular atrial fibrillation. Systemic exposure to a given apixaban dose depends on multiple clearance pathways. Though routine quantification of direct oral anticoagulants (DOACs) in neurological emergency situations has not been widely established, suspected associations of DOAC peak concentrations with bleeding events and DOAC trough concentrations with efficacy and safety suggest that such information might support clinical decision making. Case presentation We describe the case of a 75 year-old woman with atrial fibrillation maintained on apixaban who was admitted due to suspected acute stroke. Clinical work-up did not confirm ischemic or hemorrhagic stroke but routine quantification of apixaban revealed an excessively high apixaban plasma concentration (~ 3 h after the last drug intake: 1100 ng/ml (expected range: 91–321 ng/ml); ~ 12 h after drug intake: 900 ng/ml (expected range: 41–230 ng/ml)) and a substantially prolonged elimination half-life (~ 31 h). The corresponding apixaban concentration-to-dose ratio was 9900 (ng/ml)/(mg/kg/d) and 8100 (ng/ml)/(mg/kg/d), respectively (expected range: 249–463 (ng/ml)/(mg/kg/d)). Renal function was only moderately impaired (creatinine 1.36 mg/dl (0.5–1.1 mg/dl), creatinine clearance 40 ml/min). Genotype analyses revealed that the patient was a CYP3A5*3/*3 non-expressor, a heterozygous carrier of the ABCG2 c.421C/A alleles, and a homozygous carrier of ABCB1 c.2677 T/T and ABCB1 c.3435 T/T. In the absence of known drug interactions explaining apixaban clearance impairment, excessive apixaban concentrations were most probably caused by moderate renal impairment combined with multiple functional polymorphisms of apixaban clearance pathways. Conclusions This case suggests that concurrent genetic polymorphisms can impair multiple apixaban elimination pathways and thus substantially increase its exposure.
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Affiliation(s)
- Andrea Huppertz
- Department of Clinical Pharmacology and Pharmacoepidemiology, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany
| | - Caspar Grond-Ginsbach
- Department of Neurology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany.,Department of Vascular and Endovascular Surgery, University Hospital Heidelberg, Im Neuenheimer Feld 110, 69120, Heidelberg, Germany
| | - Chris Dumschat
- Department of Neurology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
| | - Kathrin I Foerster
- Department of Clinical Pharmacology and Pharmacoepidemiology, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany
| | - Jürgen Burhenne
- Department of Clinical Pharmacology and Pharmacoepidemiology, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany
| | - Johanna Weiss
- Department of Clinical Pharmacology and Pharmacoepidemiology, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany
| | - David Czock
- Department of Clinical Pharmacology and Pharmacoepidemiology, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany
| | - Jan C Purrucker
- Department of Neurology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
| | - Timolaos Rizos
- Department of Neurology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany.
| | - Walter E Haefeli
- Department of Clinical Pharmacology and Pharmacoepidemiology, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany
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Management of Anticoagulation in Patients with Atrial Fibrillation Undergoing PCI: Double or Triple Therapy? Curr Cardiol Rep 2018; 20:110. [PMID: 30259187 DOI: 10.1007/s11886-018-1045-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
PURPOSE OF REVIEW This review aims to discuss the use of antithrombotic therapy in patients with atrial fibrillation who undergo coronary stenting with emphasis on the use of double vs triple therapy. RECENT FINDINGS When combined with systemic anticoagulation, dual antiplatelet therapy results in an unacceptable increase in bleeding without any improvement in prevention of thrombotic events. Direct oral anticoagulants combined with single antiplatelet therapy have reduced bleeding compared with warfarin plus dual antiplatelet therapy. Triple anticoagulation therapy with warfarin or direct oral anticoagulants leads to an excess of bleeding and is not superior in preventing thrombotic events. Recent randomized, controlled trials have shown a significant reduction in major bleeding events in patients treated with dual antithrombotic therapy compared with triple therapy without any difference in efficacy. These findings call into question whether triple therapy should remain a part of standard practice.
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Abstract
Significant advances in our understanding of transient ischemic attack (TIA) have taken place since it was first recognized as a major risk factor for stroke during the late 1950's. Recently, numerous studies have consistently shown that patients who have experienced a TIA constitute a heterogeneous population, with multiple causative factors as well as an average 5–10% risk of suffering a stroke during the 30 days that follow the index event. These two attributes have driven the most important changes in the management of TIA patients over the last decade, with particular attention paid to effective stroke risk stratification, efficient and comprehensive diagnostic assessment, and a sound therapeutic approach, destined to reduce the risk of subsequent ischemic stroke. This review is an outline of these changes, including a discussion of their advantages and disadvantages, and references to how new trends are likely to influence the future care of these patients.
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Affiliation(s)
- Camilo R Gomez
- Department of Neurology, Loyola University Medical Center, Maywood, IL, USA
| | - Michael J Schneck
- Department of Neurology, Loyola University Medical Center, Maywood, IL, USA
| | - Jose Biller
- Department of Neurology, Loyola University Medical Center, Maywood, IL, USA
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