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Drug: Clopidogrel
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Total 1183 results found since Jan 2013.

When a Single Antiplatelet Agent for Stroke Prevention Is Not Enough: Current Evidence and Future Applications of Dual Antiplatelet Therapy
Opinion statement For secondary stroke prevention, long-term dual antiplatelet therapy is not recommended due to increased bleeding risks. There is no specific evidence for using dual antiplatelet therapy for cervical artery dissection or for adding a second antiplatelet agent after a stroke while taking aspirin monotherapy. For patients with atrial fibrillation and stroke/TIA unable to tolerate warfarin, aspirin monotherapy is reasonable. Dual antiplatelet therapy carries a similar risk of major b...
Source: Current Treatment Options in Cardiovascular Medicine - February 24, 2016 Category: Cardiology Source Type: research

Clopidogrel and Smoking Status Among Ischemic Stroke Patients: Smokers Paradox? (P1.122)
Conclusions: We found that ischemic stroke patients who actively smoked derived a slight yet non statistically significant benefit from clopidogrel compared to aspirin for vascular risk reduction. This issue needs to be further evaluated in additional studies of larger size.Disclosure: Dr. Zhang has nothing to disclose. Dr. Wang has nothing to disclose. Dr. Song has nothing to disclose. Dr. Ji has nothing to disclose. Dr. Hou has nothing to disclose. Dr. Cao has nothing to disclose. Dr. Dong has nothing to disclose. Dr. Huang has nothing to disclose. Dr. Feng has nothing to disclose. Dr. Ovbiagele has nothing to disclose. ...
Source: Neurology - April 3, 2016 Category: Neurology Authors: Zhang, Q., Wang, Y., Song, H., Ji, X., Hou, C., Cao, Q., Dong, K., Huang, X., Feng, W., Ovbiagele, B., Wang, M. Tags: Cerebrovascular Disease: Epidemiology Source Type: research

Antiplatelet drug resistance is associated with early neurological deterioration in acute minor ischemic stroke in the Chinese population
Abstract To evaluate the prevalence and risk factors of antiplatelet drug resistance and its association with early neurological deterioration (END) and recurrent ischemic stroke (RIS) in patients with acute minor stroke. Antiplatelet drug resistance was assessed by platelet aggregation assay in 426 patients with minor stroke who were receiving combined treatment of aspirin and clopidogrel. All patients were followed up for 90 days. The primary endpoint of the study was END within 10 days after admission. The secondary endpoints included RIS, myocardial infarction and death during 90 days of treatment. The safe...
Source: Journal of Neurology - June 2, 2016 Category: Neurology Source Type: research

The Efficacy and Safety of 3 Types of Interventions for Stroke Prevention in Patients With Cardiovascular and Cerebrovascular Diseases: A Network Meta-analysis.
Abstract PURPOSE: The goal of this study was to compare the relative efficacy and safety of different types of interventions for stroke prevention in patients with cardiovascular and cerebrovascular diseases. METHODS: This network meta-analysis (NMA) was conducted with a random effects model of Bayesian framework using Stata version 12.0. Odds ratios (ORs) and their credible intervals (CrIs) were applied for the efficacy and safety evaluation of various medical interventions, including aspirin, dipyridamole, ticlopidine, warfarin, and apixaban. In addition, the ranking of probability of every clinical outcome...
Source: Clinical Therapeutics - June 10, 2017 Category: Drugs & Pharmacology Authors: Sun Q, Chang S, Lu S, Zhang Y, Chang Y Tags: Clin Ther Source Type: research

Investigating Real-World Clopidogrel Pharmacogenetics in Stroke Using a Bioresource Linked to Electronic Medical Records.
In conclusion, we have demonstrated the clinical impact of CYP2C19*2 on clopidogrel efficacy using a purely EMR approach. This suggests that the risk in the ischemic stroke population may be particularly high. This article is protected by copyright. All rights reserved. PMID: 28653333 [PubMed - as supplied by publisher]
Source: Clinical Pharmacology and Therapeutics - June 27, 2017 Category: Drugs & Pharmacology Authors: Tornio A, Flynn R, Morant S, Velten E, Palmer CNA, MacDonald TM, Doney ASF Tags: Clin Pharmacol Ther Source Type: research

A noninferiority confirmatory trial of prasugrel versus clopidogrel in Japanese patients with non-cardioembolic stroke: rationale and study design for a randomized controlled trial - PRASTRO-I trial.
CONCLUSIONS: This article presents the study design and rationale for a trial investigating the noninferiority of prasugrel to clopidogrel sulfate with regards to the inhibitory effect on primary events in patients with non-cardioembolic stroke. PMID: 29463150 [PubMed - as supplied by publisher]
Source: Expert Opinion on Pharmacotherapy - February 25, 2018 Category: Drugs & Pharmacology Tags: Expert Opin Pharmacother Source Type: research

The secondary prevention of stroke according to cytochrome P450 2C19 genotype in patients with acute large-artery atherosclerosis stroke.
Conclusions: Among IS patients treated with clopidogrel, carriers of a reduced-function CYP2C19 allele had a significantly higher rate of adverse vascular events than did noncarriers. It should avoid prescribing clopidogrel to these patients with known CYP2C19 polymorphisms. PMID: 29707143 [PubMed]
Source: Oncotarget - May 2, 2018 Category: Cancer & Oncology Tags: Oncotarget Source Type: research

Efficacy and safety of CYP2C19 genotype in stroke or transient ischemic attack patients treated with clopidogrel monotherapy or clopidogrel plus aspirin: Protocol for a systemic review and meta-analysis
Conclusions: The results will bring about vigorous evidence in this issue and guide both clinical decision-making and future research.
Source: Medicine - June 1, 2018 Category: Internal Medicine Tags: Research Article: Study Protocol Systematic Review Source Type: research

Aspirin and clopidogrel resistance in Indian patients with ischemic stroke and its associations with gene polymorphisms: A pilot study
Conclusion: Unlike aspirin, a high proportion of nonresponders to clopidogrel was identified. In an interim analysis on 65 Indian patients, a significant association was found between CYP2C19*2 and clopidogrel nonresponsiveness.
Source: Annals of Indian Academy of Neurology - April 8, 2019 Category: Neurology Authors: Samir Patel Vandana Arya Amrita Saraf Manorama Bhargava CS Agrawal Source Type: research

Association of CYP2C19 Polymorphisms With Clopidogrel Reactivity and Clinical Outcomes in Chronic Ischemic Stroke.
CONCLUSIONS: Despite associations betweenCYP2C19variants and on-clopidogrel platelet reactivity, there was no significant difference in rates of CVEs in the chronic stroke phase among the 3 clopidogrel-metabolizing groups ofCYP2C19variants. PMID: 31006731 [PubMed - as supplied by publisher]
Source: Circulation Journal - April 18, 2019 Category: Cardiology Authors: Tanaka T, Yamagami H, Ihara M, Miyata T, Miyata S, Hamasaki T, Amano S, Fukuma K, Yamamoto H, Nakagawara J, Furui E, Uchiyama S, Hyun B, Yamamoto Y, Manabe Y, Ito Y, Fukunaga R, Abumiya T, Yasaka M, Kitagawa K, Toyoda K, Nagatsuka K Tags: Circ J Source Type: research

Aspirin plus Clopidogrel versus Aspirin Mono-Therapy for Ischemic Stroke: A Meta-Analysis.
CONCLUSIONS: The addition of clopidogrel to aspirin for patients with TIA or IS appeared to significantly reduce the risk of IS recurrence with a possible increase in the risk of bleeding compared with aspirin alone. PMID: 31112048 [PubMed - as supplied by publisher]
Source: Scandinavian Cardiovascular Journal - May 23, 2019 Category: Cardiology Tags: Scand Cardiovasc J Source Type: research

Monitoring of biological response to clopidogrel after treatment for non-cardioembolic ischemic stroke or transient ischemic attack.
CONCLUSIONS: Platelet function results obtained using different assays for patients having experienced a non-cardioembolic ischemic stroke or TIA were discordant. Transmission electron microscopy could be useful in certain clinical contexts when platelet function assay results disagree. PMID: 31632514 [PubMed]
Source: American Journal of Translational Research - October 23, 2019 Category: Research Tags: Am J Transl Res Source Type: research

Age-dependent association of CYP2C19 polymorphisms with clinical outcome of clopidogrel therapy in minor stroke patients with large-artery atherosclerosis
ConclusionsCarriage of the CYP2C19 LOF allele may prevent expected clinical outcome during clopidogrel therapy in young LAA-associated minor stroke patients, whereas not in older patients.
Source: European Journal of Clinical Pharmacology - June 4, 2020 Category: Drugs & Pharmacology Source Type: research

Ticagrelor Is Superior to Clopidogrel in Inhibiting Platelet Reactivity in Patients With Minor Stroke or TIA
Conclusions: Ticagrelor is superior to clopidogrel in inhibiting platelet reactivity measured by the PL platelet function analyzer among patients with acute minor stroke or TIA. Our study confirmed the finding of the main analysis of PRINCE trial in a different assay. Large randomized controlled trials are needed to evaluate our findings.Clinical Trial Registration:Clinicaltrials.gov NCT02506140.
Source: Frontiers in Neurology - June 9, 2020 Category: Neurology Source Type: research

Left Atrial Appendage Closure for Patients with Cerebral Amyloid Angiopathy and Atrial Fibrillation: the LAA-CAA Cohort
AbstractAnticoagulation increases the risk of intracerebral hemorrhage (ICH) in patients with cerebral amyloid angiopathy (CAA), so the management of stroke-risk in patients with both atrial fibrillation (AF) and CAA is controversial. Advances in left atrial appendage closure (LAAC) techniques provide a stroke-risk-reduction option which avoids long-term oral anticoagulation (OAC). We aimed to evaluate the safety of this intervention in patients with CAA. This is an observational cohort study of patients with severe CAA (with or without ICH) and AF who were treated with LAA closure. The Watchman ™ and Amulet® LAAC devic...
Source: Translational Stroke Research - August 6, 2020 Category: Neurology Source Type: research