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Triple antiplatelet therapy for secondary prevention of recurrent ischemic stroke

Mark Willmot1, Lian Zhao, Stan Heptinstall

  • 1University of Nottingham, Institute of Neurosciences, Nottingham, United Kingdom.

Insights

Triple antiplatelet therapy, combining aspirin, dipyridamole, and clopidogrel, shows promise for preventing recurrent ischemic strokes. This approach may be superior to single or dual antiplatelet agents in select patients, though further safety and efficacy trials are needed.

Area of Science:

  • Neurology
  • Cardiology
  • Pharmacology

Background:

  • Antiplatelet agents are crucial for secondary stroke prevention.
  • Recurrent ischemic strokes can occur despite standard single or dual antiplatelet therapy.
  • Laboratory studies suggest triple antiplatelet therapy enhances inhibition of platelet and leucocyte function.

Purpose of the Study:

  • To evaluate the efficacy of triple antiplatelet therapy in patients experiencing recurrent ischemic strokes.
  • To assess the response to a combination of aspirin, dipyridamole, and clopidogrel.

Main Methods:

  • Case report of a 69-year-old male patient with recurrent strokes.
  • Retrospective analysis of 8 additional patients treated with triple antiplatelet therapy.
  • Follow-up period of 28 months for the patient series.

Main Results:

  • The index patient responded to triple antiplatelet therapy (aspirin, dipyridamole, clopidogrel) after failure of single/dual therapy.
  • Triple antiplatelet therapy was effective in 8 additional patients over 28 months.
  • Laboratory studies indicate superior platelet and leucocyte inhibition with triple therapy.

Conclusions:

  • Triple antiplatelet therapy may offer a viable option for secondary stroke prevention in specific patient populations.
  • Clinical trials are necessary to establish the safety and efficacy of this combination therapy.
  • Risk of major bleeding must be carefully considered and evaluated in future studies.

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