Trial of Cilostazol in Symptomatic Intracranial Arterial Stenosis II "TOSS-2"


Phase 4 Results

Summary of Purpose

This study will recruit 480 acute stroke patients with symptomatic intracranial stenosis (M1 segment of Middle cerebral artery (MCA) or basilar artery). They will be randomly assigned into cilostazol group or clopidogrel group. Every patients will take 100mg of aspirin a day additionally. The primary outcome variable of this study is Progression rate of symptomatic intracranial stenosis on magnetic...

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Trial Milestones

The following dates are available for this trial. Trial information last updated on 4 January 2010.

1 Aug 2005 11 Aug 2005 1 Jan 2009 1 Jan 2009 1 Nov 2009 23 Oct 2009
Start Date First Received 1st Completion Completion Verification Results

Trial Design

  • Allocation: Randomized
  • Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
  • Purpose: Treatment
  • Endpoint: Efficacy Study
  • Intervention: Parallel Assignment


  • Dong W Kang, MD, PhD Phone: 82-2-3010-3968 Email: