EUCTR2016-000920-25-GB进行中（未招募）1 期
A study of very low dose twice-daily compared to standard low dose once-daily aspirin following acute coronary syndromes - WILL lOWer dose aspirin be more effective following ACS? - WILLOW-ACS - Version 1
适应症
相关药物
试验速览
- 阶段
- 1 期
- 状态
- 进行中（未招募）
- 入组人数
- 20
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional clinical trial of medicinal product
入排标准
入选标准
- •For inclusion in the study, subjects should fulfil the following criteria:
- •1.Provision of informed consent prior to any study specific procedures
- •2.Male or female aged greater than 18 years
- •3.Previous diagnosis of acute coronary syndrome greater than 30 days and less than 10 months before enrolment
- •4.Receiving dual antiplatelet therapy with aspirin 75 mg once daily and ticagrelor 90 mg twice daily
- •Are the trial subjects under 18? no
- •Number of subjects for this age range: 0
- •F.1.2 Adults (18-64 years) yes
- •F.1.2.1 Number of subjects for this age range 6
- •F.1.3 Elderly (>=65 years) yes
- •F.1.3.1 Number of subjects for this age range 14
排除标准
- •1.Presence of an indication for dual antiplatelet therapy other than ischaemic heart disease
- •2.PCI with drug eluting or bare metal stent(s) within 30 days of randomization
- •3.Any history of stent implantation to the left main coronary artery
- •4.Any history of stent thrombosis during dual antiplatelet therapy
- •5.Planned procedure for coronary revascularization
- •6.Any planned surgery or other procedure that may require suspension or discontinuation of dual antiplatelet therapy expected to occur within 3 months of randomisation
- •7.Prior intention by patient or physician to discontinue aspirin and/or ticagrelor within the study period
- •8.Receiving doses of aspirin and ticagrelor other than 75 mg once daily and 90mg twice daily respectively
- •9.Treatment or planned treatment with antiplatelet medication apart from aspirin or ticagrelor (eg. clopidogrel, prasugrel, dipyridamole, ticlopidine).
- •10.Current use of a loop, thiazide or potassium sparing diuretic (affects prostanoid assays).
- •11.Any acute coronary syndrome event within 30 days prior to randomization.
- •12.Most recent acute coronary syndrome event greater than 10 months prior to randomization.
- •13.Current or planned use of an oral anticoagulant (e.g. warfarin, dabigatran, rivaroxaban, apixaban) or parenteral anticoagulant (eg. unfractionated heparin, low molecular weight heparin, bivalirudin).
- •14.Current or planned use of a GPIIb/IIIa inhibitor (eg. abciximab, tirofiban).
- •15.Current or planned use of a fibrinolytic agent (eg. tissue plasminogen activator).
- •16.Requiring or likely to require treatment with a non-steroidal anti-inflammatory drug (NSAID), including COX2 inhibitors, and including regular or intermittent/as required use.
- •17.Receiving a strong inhibitor of CYP3A4 (eg, ketoconazole, itraconazole, voriconazole, telithromycin, clarithromycin [but not erythromycin or azithromycin], nefazadone, ritonavir, saquinavir, nelfinavir, indinavir, atanazavir, or over 1 litre daily of grapefruit juice).
- •18.Receiving simvastatin or lovastatin at doses higher than 40 mg daily.
- •19.Receiving a CYP3A substrate with a narrow therapeutic index (e.g. cyclosporine or quinidine).
- •20.Receiving a strong inducer of CYP3A (e.g. rifampin/rifampicin, rifabutin, phenytoin, carbamazepine, phenobarbital).
- •21.History of acute or chronic liver disease (e.g. cirrhosis).
- •22.End-stage renal failure requiring dialysis.
- •23.History of alcohol or drug abuse in the last year.
- •24.Co-morbidity associated with life expectancy less than 1 year.
- •25.Any other condition deemed by the investigator to affect haemostasis, coagulation, bleeding risk or ability to comply with the study protocol.
- •26.Females of child-bearing potential unless negative pregnancy test at screening and willing to use effective contraception (i.e. established use of oral, injected or implanted hormonal methods of contraception or placement of an intrauterine device (IUD) or intrauterine system (IUS) or barrier methods of contraception with spermicide or sole male partner with prior vasectomy and confirme
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