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Vincent L, Bourneau-Martin D, Maurier A, Babin M, Delepine S, Helley D, Grandvuillemin A, Lagarce L, Lillo-Le Louët A, Briet M. Delayed thrombocytopenia following administration of abciximab: Pharmacovigilance survey and literature review. Therapie 2021; 76:687-693. [PMID: 33726948 DOI: 10.1016/j.therap.2021.02.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 01/15/2021] [Accepted: 02/16/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Abciximab (ABX) is used for acute coronary syndrome and unstable angina. Thrombocytopenia is a frequent adverse effect described as occurring in the first 24hours. The aim of this study was to evaluate, in a context of pharmacovigilance survey, the occurrence of delayed thrombocytopenia following ABX infusion in pharmacovigilance database reports and in the literature. METHODS Individual case safety reports (ICSRs) of delayed thrombocytopenia-between 3 and 30 days - with ABX presented as a single suspect were selected in VigiBase®, the WHO global database of ICSRs. The French cases were then extracted from the French national pharmacovigilance database. In addition, a literature review of published cases was performed using PubMed. RESULTS Among the 84 ICSRs selected from VigiBase®, 43 were also reported in the FPVD. Mean age was 60.1±12.3 years with a majority of male patients (77.4%). The average time to onset (TTO) was 8.9±5.2 days. Thrombocytopenia regressed in 5.1±2.7 days. Haemorrhagic complications were reported in 15% of ICSRs. In the French cases, the median nadir of platelet count was 28×109/L (range 1-110) with a majority of grade 4 thrombocytopenia (39.5%). The literature review identified 42 cases and provided additional information on administered therapies, which include platelet units, corticosteroids, and IV immunoglobulins. GPIIb/IIIa-ABX complex antibodies were described in 26 published cases. CONCLUSION Delayed thrombocytopenia, probably due to immune reaction, is a possible life-threatening adverse effect of ABX with a mean TTO of 9 days, supporting the recommendation of a platelet count monitoring during at least two weeks. This recommendation was added to the abcximab SmPC in 2019.
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Affiliation(s)
- Louis Vincent
- Department of Pharmacology, Toxicology and Pharmacovigilance, Angers University Hospital, 4, rue Larrey, 49933 Angers, France
| | - Delphine Bourneau-Martin
- Department of Pharmacology, Toxicology and Pharmacovigilance, Angers University Hospital, 4, rue Larrey, 49933 Angers, France.
| | - Anaïs Maurier
- Department of Pharmacology, Toxicology and Pharmacovigilance, Angers University Hospital, 4, rue Larrey, 49933 Angers, France
| | - Marina Babin
- Department of Pharmacology, Toxicology and Pharmacovigilance, Angers University Hospital, 4, rue Larrey, 49933 Angers, France
| | - Stéphane Delepine
- Cardiology Department, Angers University Hospital, 49933 Angers, France
| | - Dominique Helley
- Department of Biological Haematology, George Pompidou European Hospital, 75015 Paris, France
| | | | - Laurence Lagarce
- Department of Pharmacology, Toxicology and Pharmacovigilance, Angers University Hospital, 4, rue Larrey, 49933 Angers, France
| | - Agnès Lillo-Le Louët
- Regional Pharmacovigilance Centre, George Pompidou European Hospital, 75015 Paris, France
| | - Marie Briet
- Department of Pharmacology, Toxicology and Pharmacovigilance, Angers University Hospital, 4, rue Larrey, 49933 Angers, France; University of Angers, 49933 Angers, France; MitoVasc Laboratory, UMR CNRS 6214 Inserm 1083, 49933 Angers, France
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Kaluski E. The Role of Glycoprotein IIb/IIIa Inhibitors- A Promise Not Kept? Curr Cardiol Rev 2011; 4:84-91. [PMID: 19936282 PMCID: PMC2779356 DOI: 10.2174/157340308784245793] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2007] [Revised: 05/17/2007] [Accepted: 05/30/2007] [Indexed: 11/22/2022] Open
Abstract
For over one decade Glycoproteins IIb/IIIa inhibitors (GPI) have been administered to prevent coronary artery thrombosis. Initially these agents were used for acute coronary syndromes and subsequently as adjunctive pharmacotherapy for percutaneous coronary interventions (PCIs). Most benefit of GPI emerged from reduction of ischemic events: mostly non-q-wave myocardial infarctions (NQWMIs) during PCI. However, individual randomized clinical trials could not demonstrate that any of these agents could significantly reduce mortality in any clinical subset of patients. Studies of employing prolonged oral GPI administration resulted in excessive death. The non-homogenous statistically-significant reduction of ischemic endpoints was accompanied by an excess of bleeding, vascular complications, and thrombocytopenia. The clinical and ecomomic burden of major bleeding and thrombocytopenia is substantial. The ACUITY trial has initiate a new debate regarding the efficacy and safety of GPI. Selective “patient-tailored” use of GPI limited to moderate-high risk PCI patients with low bleeding propensity is suggested. Research of new algorithms emphasizing abbreviated GPI administration, careful access site and bleeding surveillance, in conjunction with lower doses of unfractionated heparin or new and safer anti-thrombins may further enhance patient safety.
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Affiliation(s)
- Edo Kaluski
- Department of Cardiology, University Medical Center, University of Medicine and Dentistry, Newark, NJ, USA
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Abstract
BACKGROUND Thrombocytopenia following percutaneous coronary intervention (PCI) is an underappreciated condition that is often clinically challenging. There are no guidelines on the management of patients with this condition. OBJECTIVE To review recent data in etiologies, risk factors, prevention, management, and prognostic implications of thrombocytopenia following PCI. EVIDENCE ACQUISITION Search of MEDLINE, EMBASE, the Cochrane Database, and Google Scholar using the term thrombocytopenia + PCI and other relevant keywords to identify systematic reviews, clinical trials, cohort studies, case series, and case reports. The review was limited to English-language articles published between January 1980 and June 2009. Articles on patients with baseline thrombocytopenia prior to PCI were excluded. EVIDENCE SYNTHESIS Thrombocytopenia is not infrequent following PCI. The typical patient with post-PCI thrombocytopenia is on multiple therapies that can potentially cause a decrease in the platelet count. Identification of the cause is critical because management of the condition varies significantly based on the etiology. The severity of the thrombocytopenia also determines the clinical management of the patient. Several observational studies have demonstrated the adverse prognostic impact of the complication on clinical outcomes and have identified risk factors. CONCLUSIONS Judicious use of therapies that can cause thrombocytopenia, efficient detection of the cause of the decrease in platelet count, and appropriate management of the condition can potentially improve the quality of care and outcomes following PCI. Further research into risk factors that predispose post-PCI patients to developing thrombocytopenia is warranted.
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Affiliation(s)
- Chetan Shenoy
- Guthrie Clinic, One Guthrie Square, Sayre, Pennsylvania, USA
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Patrono C, Baigent C, Hirsh J, Roth G. Antiplatelet drugs: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition). Chest 2008; 133:199S-233S. [PMID: 18574266 DOI: 10.1378/chest.08-0672] [Citation(s) in RCA: 346] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
This article about currently available antiplatelet drugs is part of the Antithrombotic and Thrombolytic Therapy: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition). It describes the mechanism of action, pharmacokinetics, and pharmacodynamics of aspirin, reversible cyclooxygenase inhibitors, thienopyridines, and integrin alphaIIbbeta3 receptor antagonists. The relationships among dose, efficacy, and safety are thoroughly discussed, with a mechanistic overview of randomized clinical trials. The article does not provide specific management recommendations; however, it does highlight important practical aspects related to antiplatelet therapy, including the optimal dose of aspirin, the variable balance of benefits and hazards in different clinical settings, and the issue of interindividual variability in response to antiplatelet drugs.
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Affiliation(s)
- Carlo Patrono
- From the Catholic University School of Medicine, Rome, Italy.
| | - Colin Baigent
- Clinical Trial Service Unit, University of Oxford, Oxford, UK
| | - Jack Hirsh
- Hamilton Civic Hospitals, Henderson Research Centre, Hamilton, ON, Canada
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Kaluski E, Haider B, Milo-Cotter O, Klapholz M. Glycoprotein IIb/IIIa inhibitors: questioning indications and treatment algorithms. CARDIOVASCULAR REVASCULARIZATION MEDICINE 2007; 8:281-8. [PMID: 18053951 DOI: 10.1016/j.carrev.2007.03.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2007] [Accepted: 03/30/2007] [Indexed: 11/27/2022]
Abstract
Glycoprotein inhibitors (GPI) are viewed as beneficial adjunctive pharmacotherapy agents for percutaneous coronary interventions (PCIs). The major benefit of GPI is derived from the reduction of ischemic events (mostly non-Q-wave myocardial infarctions) during PCI. There is no single randomized clinical trial demonstrating that any of these agents significantly reduces mortality in any clinical subset of patients. Studies of sustained oral GPI resulted in excessive death and myocardial infarctions. Reduction of ischemic end points was counteracted by excessive bleeding, vascular complications, and thrombocytopenia. These complications bear considerable medical and economic impact. The Acute Catheterization and Early Intervention Triage Strategy trial demonstrated that GPI, when added to heparin, enoxaparine, or bivalirudin, do not reduce mortality or ischemic events but significantly increase bleeding complications. Major bleeding resulted in threefold mortality at 1 year. In view of available data, the use of GPI should be limited to moderate-risk to high-risk PCI patients with low bleeding propensity. Protocols of abbreviated GPI administration and careful bleeding surveillance, in conjunction with lower doses of unfractionated heparin or new and possibly safer antithrombins, can potentially improve patient safety.
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Affiliation(s)
- Edo Kaluski
- Department of Cardiology, University Medical Center, University of Medicine and Dentistry, Newark, NJ 07101, USA.
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Abstract
Thrombocytopenia is a common problem in cardiovascular patients, but the etiology and management of this condition may be different than those in other populations. Around the time that percutaneous coronary interventions are performed, the drugs most commonly associated with thrombocytopenia are the glycoprotein (GP) IIb/IIIa receptor inhibitors and heparin. Thienopyridines only rarely cause thrombocytopenia. Patients with non-ST-elevation acute coronary syndromes may be exposed to prolonged heparin infusions, GPIIb/IIIa inhibitors, and thienopyridines. After open-heart surgery, as opposed to other surgical procedures, the platelet count falls, primarily due to platelet damage and destruction in the bypass circuit and hemodilution. Heparin is the most common drug to be implicated in thrombocytopenia in ICU patients. Determining the etiology for the low platelet count is important for the implementation of appropriate management. The use of a direct thrombin inhibitor in treatment should be considered early if a diagnosis of heparin-induced thrombocytopenia is possible.
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Affiliation(s)
- William H Matthai
- University of Pennsylvania Medical Center-Presbyterian, 39th and Market St, Philadelphia, PA 19104, USA.
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Patrono C, Coller B, FitzGerald GA, Hirsh J, Roth G. Platelet-Active Drugs: The Relationships Among Dose, Effectiveness, and Side Effects. Chest 2004; 126:234S-264S. [PMID: 15383474 DOI: 10.1378/chest.126.3_suppl.234s] [Citation(s) in RCA: 479] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
This article discusses platelet active drugs as part of the Seventh American College of Chest Physicians Conference on Antithrombotic and Thrombolytic Therapy: Evidence-Based Guidelines. New data on antiplatelet agents include the following: (1) the role of aspirin in primary prevention has been the subject of recommendations based on the assessment of cardiovascular risk; (2) an increasing number of reports suggest a substantial interindividual variability in the response to antiplatelet agents, and various phenomena of "resistance" to the antiplatelet effects of aspirin and clopidogrel; (3) the benefit/risk profile of currently available glycoprotein IIb/IIIa antagonists is substantially uncertain for patients with acute coronary syndromes who are not routinely scheduled for early revascularization; (4) there is an expanding role for the combination of aspirin and clopidogrel in the long-term management of high-risk patients; and (5) the cardiovascular effects of selective and nonselective cyclooxygenase-2 inhibitors have been the subject of increasing attention.
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Affiliation(s)
- Carlo Patrono
- University of Rome La Sapienza, Via di Grottarossa 1035, 00189 Rome, Italy.
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Curtis BR, Divgi A, Garritty M, Aster RH. Delayed thrombocytopenia after treatment with abciximab: a distinct clinical entity associated with the immune response to the drug. J Thromb Haemost 2004; 2:985-92. [PMID: 15140135 DOI: 10.1111/j.1538-7836.2004.00744.x] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Acute thrombocytopenia is a recognized side-effect of treatment with the fibrinogen receptor antagonist, abciximab, a chimeric (human/mouse) Fab fragment. The etiology of this complication is not fully understood. Generally, abciximab-induced thrombocytopenia occurs within a few hours of starting treatment with the drug. We have characterized a group of 13 patients who first developed thrombocytopenia 3-6 days after abciximab was discontinued. OBJECTIVE To characterize clinical and serological aspects of this newly recognized clinical entity. PATIENTS AND METHODS Clinical information was obtained from attending physicians and review of hospital records. Antibodies reactive with abciximab-coated platelets were characterized by flow cytometry. RESULTS In each patient, IgG and/or IgM antibodies reactive with abciximab-coated platelets were identified. These antibodies could be distinguished from similar antibodies present in many normal persons by two criteria-they were relatively resistant to inhibition by normal Fab fragments, and they reacted preferentially with platelets coated with 7E3, the murine monoclonal antibody from which peptide sequences in abciximab are derived. Antibodies with these characteristics were not found in pretreatment serum from three of the thrombocytopenic patients or in patients given abciximab who did not develop thrombocytopenia. CONCLUSIONS 'Delayed thrombocytopenia' after treatment with abciximab is caused by antibodies produced in response to the drug. These antibodies may be specific for murine peptide sequences in abciximab but could recognize other target epitopes on abciximab-coated platelets. Physicians administering abciximab should be aware of this potential complication of treatment, which usually occurs after discharge from hospital.
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Affiliation(s)
- B R Curtis
- Blood Research Institute, Blood Center of South-eastern Wisconsin, Milwaukee, WI 53201-2178, USA.
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