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CARMEDAS: Cost-Effectiveness Analysis of Imaging Strategies in Symptomatic Carotid Stenosis

The recruitment status of this study is unknown because the information has not been verified recently.
Verified April 2007 by Hospices Civils de Lyon.
Recruitment status was  Active, not recruiting
Sponsor:
Information provided by:
Hospices Civils de Lyon
ClinicalTrials.gov Identifier:
NCT00131001
First received: August 16, 2005
Last updated: October 17, 2008
Last verified: April 2007

August 16, 2005
October 17, 2008
April 2001
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To study the cost-effectiveness ratios of diagnostic strategies for the imaging assessment of symptomatic carotid stenosis
Same as current
Complete list of historical versions of study NCT00131001 on ClinicalTrials.gov Archive Site
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CARMEDAS: Cost-Effectiveness Analysis of Imaging Strategies in Symptomatic Carotid Stenosis
Cost-Effectiveness Analysis of Imaging Strategies in Symptomatic Carotid Stenosis

PURPOSE: The purpose of this clinical trial is to study the cost-effectiveness ratios of diagnostic strategies for the imaging assessment of symptomatic carotid stenosis.

MATERIALS AND METHODS: The diagnostic accuracies of Doppler ultrasound (DUS), contrast-enhanced magnetic resonance angiography (CEMRA) and computed tomography angiography (CTA) were compared with digital subtraction angiography (DSA) in a multicenter study (CARMEDAS; 206 patients assessable) and in a meta-analysis (for CEMRA and CTA). The direct costs of each imaging method were calculated in 2 university medical centers. Eight hypothetical models were studied with DUS considered as the first-line imaging method and either CEMRA or CTA or DSA as the second or third line method. The effectiveness criterion was the number of potential avoided strokes for each strategy and for 1000 patients.

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Interventional
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Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Diagnostic
Carotid Stenosis
Procedure: contrast-enhanced magnetic resonance angiography
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*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Active, not recruiting
300
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Inclusion Criteria:

Carotid artery stenosis > 50%

Both
18 Years to 90 Years
No
Contact information is only displayed when the study is recruiting subjects
France
 
NCT00131001
99.203
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Hospices Civils de Lyon
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Principal Investigator: Philippe DOUEK, MD Hospices Civils de Lyon
Hospices Civils de Lyon
April 2007

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP