Pilot Study of Continuing Aspirin Versus Switching to Clopidogrel After Stroke or Transient Ischemic Attack

Pilot Study of Continuing Aspirin Versus Switching to Clopidogrel After Stroke or Transient Ischemic Attack

Pilot study of continuing aspirin versus switching to clopidogrel after stroke or transient ischemic attack.

Pilot study of continuing aspirin versus switching to clopidogrel after stroke or transient ischemic attack.

Inclusion Criteria:

• Age 18 and older.
• Stroke or transient ischemic attack (TIA) while taking aspirin within one week of consent.
• Women of child-bearing potential will be included only if there is a negative pregnancy test and they agree to birth control during the treatment period.

Exclusion Criteria:

• Any medical indication for a specific antiplatelet agent (aspirin, clopidogrel, ticlopidine, aggrenox), or an indication for a combination of antiplatelet agents.
• Any medical indication for anticoagulation, except subcutaneous heparin for deep vein thrombosis prophylaxis.
• Allergy to aspirin or clopidogrel.