Ticagrelor: A Novel Oral Antiplatelet Agent
Abstract:Objective: To review the pharmacology, clinical efficacy, and tolerability of ticagrelor and to discuss implications for use in the elderly.
Data Source: A literature search was conducted in MEDLINE from 1966 to July 2010 using the MESH terms and key words AZD6140, ticagrelor, P2Y12 receptor antagonist. The search was limited to studies in English language with human subjects.
Study Selection and Data Extraction: Randomized controlled clinical trials were reviewed. References that were deemed relevant to pharmacodynamic/pharmacokinetic studies of P2Y12 antagonists and their historical background were also included.
Data Synthesis: Ticagrelor is the first reversible oral P2Y12 antagonist currently undergoing Food and Drug Administration review for approval. The advantages of ticagrelor over clopidogrel are a more rapid onset of action, offset, and reversibility at the platelet P2Y12 receptor site. In the Study of Platelet Inhibition and Patient Outcomes trial, ticagrelor reduced the incidence of death as a result of cardiovascular causes, with no increase in major bleeding or bleeding related to coronary artery bypass graft (CABG) compared with clopidogrel. Subgroup analyses suggested that elderly patients may benefit more from ticagrelor than from clopidogrel. However, the increase in non-CABG-related bleeding and unique adverse events may limit ticagrelor's use in the elderly.
Conclusion: The use of ticagrelor in the elderly should be determined on a case-by-case basis. More studies need to be conducted prior to establishing a role in therapy for the elderly.
Document Type: Research Article
Publication date: 2010-11-01
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- The Consultant Pharmacist® is the official peer-reviewed journal of the American Society of Consultant Pharmacists. It is dedicated exclusively to the medication needs of the elderly in all settings, including adult day care, ambulatory care, assisted living, community, hospice, and nursing facilities. This award-winning journal is a member benefit of ASCP. Individuals who are not members and wish to receive The Consultant Pharmacist® will want to consider joining ASCP.
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