Assessment and Quantification of Collateral by ASL MRI


Phase N/A Results N/A

Summary of Purpose

Collateral circulation supports brain tissues to maintain blood perfusion in cerebral ischemic stroke and are of great benefit for a better outcome. A non-invasive approach relative to currently widely used digital subtraction angiography (DSA) is needed. ASL (arterial spin labeling) is a novel perfusion method without contrast agent injection and features both temporal and cerebral blood flow(CBF) information....

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Trial Milestones

The following dates are available for this trial. Trial information last updated on 23 June 2015.

1 Jan 2014 19 Jun 2015 1 Dec 2017 1 Dec 2017 1 Jun 2015 Unavailable
Start Date First Received 1st Completion Completion Verification Results

Trial Basics



Trial Design

  • Observation: Case Control
  • Perspective: Prospective
  • Sampling: Probability Sample