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Cilostazol for Prevention of Recurrent Stroke Trial

Cilostazol for Prevention of Recurrent Stroke Trial

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07174414
Acronym
Clarity
Enrollment
2000
Registered
2025-09-16
Start date
2026-08-31
Completion date
2031-07-31
Last updated
2025-09-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Stroke Recurrence, Myocardial Infarction, Vascular Death, Ischemic Stroke, TIA (Transient Ischemic Attack), Stroke (CVA) or Transient Ischemic Attack, Recurrent Stroke

Brief summary

The goal of this clinical trial is to learn whether adding cilostazol to aspirin or clopidogrel prevents stroke and heart attack in people who have had a stroke or mini-stroke.

Interventions

Cilostazol 100 mg tablet taken orally twice daily following an initial 2-week period during which cilostazol is dosed at 100 mg tablet taken orally once daily to maximize tolerability.

DRUGPlacebo

Placebo 100 mg tablet twice taken orally daily following an initial 2-week period during which placebo is dosed at 100 mg taken orally once daily to maximize tolerability.

Sponsors

National Institute of Neurological Disorders and Stroke (NINDS)
CollaboratorNIH
Yale University
CollaboratorOTHER
University of Cincinnati
CollaboratorOTHER
Medical University of South Carolina
CollaboratorOTHER
Stanford University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Masking description

Masked Statistician and Unmasked statistician.

Eligibility

Sex/Gender
ALL
Age
40 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Diagnosis of stroke or mini-stroke (also called TIA) within the last 180 days * Currently taking aspirin or clopidogrel (not both) to prevent another stroke

Exclusion criteria

* Had a spontaneous brain bleed within the last 2 years. * Moderate to severe heart failure. * Life expectancy is less than 6 months.

Design outcomes

Primary

MeasureTime frameDescription
Major adverse cardiovascular event (MACE)Up to 4 years after randomizationTime to stroke (ischemic and hemorrhagic), acute myocardial infarction, or vascular death

Secondary

MeasureTime frameDescription
Ischemic strokeUp to 4 years after randomizationTime to ischemic stroke
Major hemorrhageUp to 4 years after randomizationTime to major hemorrhage

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026