SAMMPRIS (Stenting vs. Aggressive Medical Management for Preventing
SAMMPRIS(支架置入术与积极的医疗管理预防
基本信息
- 批准号:7696264
- 负责人:
- 金额:$ 397.83万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2008
- 资助国家:美国
- 起止时间:2008-05-01 至 2011-04-30
- 项目状态:已结题
- 来源:
- 关键词:AccountingAddressAlternative TherapiesArteriesAsiansAspirinBlood PressureBlood VesselsBypassCerebrovascular DisordersCessation of lifeCholesterolClinicalClinical TrialsDeveloped CountriesDeveloping CountriesDiseaseEconomicsEnd PointEnrollmentFemaleFundingGenderHispanicsInternistIschemic StrokeLeadLifeMedicalMyocardial InfarctionNeurologistPatientsPhasePopulationProcessRandomizedRandomized Clinical TrialsRateRecurrenceResearch DesignResearch PersonnelRiskRisk FactorsSafetySample SizeSecondary PreventionStenosisStentsStrokeStroke preventionSubgroupTestingTherapeuticTimeUnited States National Institutes of HealthUpper armWarfarinbasebasilar arteryblood pressure regulationclopidogrelcostdaydensityfollow-upintracranial arterymiddle cerebral arterynitinoloutcome forecastpreventracial and ethnicspine bone structuretrial comparingvertebral artery
项目摘要
Atherosclerotic stenosis of the major intracranial arteries is an important cause of stroke, accounting for
approximately 50,000 strokes per year in the USA at a cost of $750,000,000 in year 1 and $4.5 billion over the
life time of these patients. A previous NIH funded clinical trial (WASID) performed by our study group showed
that aspirin was as effective and safer than warfarin for preventing stroke in patients with intracranial stenosis,
and that patients with 70%-99% intracranial stenosis had a high risk of stroke despite antithrombotic therapy
and usual management of vascular risk factors. The high risk of stroke in these patients suggests the need for
alternative therapies such as intensive management of vascular risk factors and intracranial stenting. In this
application we are proposing a randomized clinical trial to address the following primary aim: To determine
whether intracranial stenting (using the Wingspan self-expanding nitinol stent) and intensive medical therapy is
superior to intensive medical therapy alone for preventing the primary endpoint (any stroke or death within 30
days after enrollment or stroke in the territory of the symptomatic intracranial artery beyond 30 days) during a
mean follow-up of two years in high-risk patients with symptomatic stenosis of a major intracranial artery.
Intensive medical therapy in both arms of the study will consist of aspirin 325 mg / day for entire follow-up,
clopidogrel 75mg per day for 90 days after enrollment, and aggressive risk factor management primarily
targeting blood pressure < 130 / 80 mm Hg and low density cholesterol < 70 mg / dl. The Primary Hypothesis
is that compared with intensive medical therapy alone, intracranial stenting combined with intensive medical
therapy will decrease the risk of the primary endpoint by 35% over a mean follow-up of two years in high-risk
patients with symptomatic stenosis of a major intracranial artery. The sample size required to detect a 35%
reduction in the rate of the primary endpoint from stenting based on the logrank test with an alpha of 0.05, 80%
power, and adjusting for a 2% loss to follow-up and a 5% crossover from the medical to the stenting arm is 382
patients per group. Patients will be evaluated by study neurologists every 4 months to determine the
occurrence of endpoints and by study internists who will manage the vascular risk factors of all study patients.
It is expected that the results of this study, which is the first secondary prevention stroke trial to incorporate
intensive management of multiple risk factors in the study design, and is also the first Phase III intracranial
stenting trial, will lead to more effective therapies for this common cerebrovascular disorder that is associated
with a poor prognosis.
颅内大动脉粥样硬化性狭窄是引起脑卒中的重要原因,占
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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MARC IVOR CHIMOWITZ其他文献
MARC IVOR CHIMOWITZ的其他文献
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{{ truncateString('MARC IVOR CHIMOWITZ', 18)}}的其他基金
Comparison of Anti-coagulation and anti-Platelet Therapies for Intracranial Vascular Atherostenosis
抗凝与抗血小板治疗颅内血管粥样硬化的比较
- 批准号:
10211763 - 财政年份:2021
- 资助金额:
$ 397.83万 - 项目类别:
Comparison of Anti-coagulation and anti-Platelet Therapies for Intracranial Vascular Atherostenosis
抗凝与抗血小板治疗颅内血管粥样硬化的比较
- 批准号:
10478009 - 财政年份:2021
- 资助金额:
$ 397.83万 - 项目类别:
South Carolina Clinical & Translational Research Institute (SCTR)
南卡罗来纳州临床
- 批准号:
9251334 - 财政年份:2015
- 资助金额:
$ 397.83万 - 项目类别:
SAMMPRIS (Stenting vs. Aggressive Medical Management for Preventing . . .
SAMMPRIS(支架置入术与积极的医疗管理预防......
- 批准号:
7858317 - 财政年份:2008
- 资助金额:
$ 397.83万 - 项目类别:
SAMMPRIS (Stenting vs. Aggressive Medical Management for Preventing . . .
SAMMPRIS(支架置入术与积极的医疗管理预防......
- 批准号:
8064697 - 财政年份:2008
- 资助金额:
$ 397.83万 - 项目类别:
SAMMPRIS (Stenting vs. Aggressive Medical Management for Preventing . . .
SAMMPRIS(支架置入术与积极的医疗管理预防......
- 批准号:
7617204 - 财政年份:2008
- 资助金额:
$ 397.83万 - 项目类别:
SAMMPRIS (Stenting vs. Aggressive Medical Management for Preventing . . .
SAMMPRIS(支架置入术与积极的医疗管理预防......
- 批准号:
7382822 - 财政年份:2008
- 资助金额:
$ 397.83万 - 项目类别:
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