Angiotensin receptor blockade in acute stroke. The Scandinavian Candesartan Acute Stroke Trial: rationale, methods and design of a multicentre, randomised- and placebo-controlled clinical trial (NCT00120003)

SCAST Study Grp, Else Charlotte Sandset, Gordon Murray, Gudrun Boysen, Dalius Jatuzis, Janika Korv, Stephan Lueders, Przemyslaw S. Richter, Risto O. Roine, Andreas Terent, Vincent Thijs, Eivind Berge

Research output: Contribution to journalArticlepeer-review

Abstract

Background

Elevated blood pressure following acute stroke is common, and yet early antihypertensive treatment is controversial. ACCESS suggested a beneficial effect of the angiotensin receptor blocker candesartan in the acute phase of stroke, but these findings need to be confirmed in new, large trials.

Aims and design

The Scandinavian Candesartan Acute Stroke Trial is an international randomised, placebo-controlled, double-blind trial of candesartan in acute stroke. We plan to recruit 2500 patients presenting within 30 h of stroke (ischaemic or haemorrhagic) and with systolic blood pressure >= 140 mmHg. The recruited patients are randomly assigned to candesartan or placebo for 7-days (doses increasing from 4 to 16 mg once daily). Randomisation is performed centrally via a secure web interface. The follow-up period is 6-months. Patients are included from the following nine North-European countries: Norway, Sweden, Denmark, Belgium, Germany, Poland, Lithuania, Estonia and Finland.

Study outcomes

There are two co-primary effect variables:center dot Functional status at 6-months, measured by the modified Rankin Scale, and center dot vascular death, myocardial infarction or stroke during the first 6-months.Secondary outcome variables:Secondary effect variables include center dot the Barthel index (functional status)center dot EuroQol (quality of life) and center dot Mini-mental state examination (cognition) at 6-months center dot Health economic costs during the first 6-months

Funding

The Scandinavian Candesartan Acute Stroke Trial receives basic funding from Norwegian health authorities. AstraZeneca supplies the trial drugs, and AstraZeneca and Takeda support the trial with limited, unrestricted grants.

Summary

The Scandinavian Candesartan Acute Stroke Trial is the first large trial of angiotensin receptor blockers in patients with elevated blood pressure and acute stroke, and aims to answer whether treatment with angiotensin receptor blockers is beneficial for this indication.

Original languageEnglish
Pages (from-to)423-427
Number of pages5
JournalInternational Journal of Stroke
Volume5
Issue number5
DOIs
Publication statusPublished - Oct 2010

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