The Switching Antiplatelet-9 (SWAP-9) Study

Trial statusRecruiting
Trial phasePhase 4
Trial typeInterventional
Biological sexAll
Age18+
SponsorUniversity of Florida

About this trial

The purpose of this study is to compare the pharmacodynamic effects of ABCD-GENE guided vs. unguided de-escalation strategies among patients on dual antiplatelet therapy (DAPT) following percutaneous coronary intervention (PCI).

Eligibility criteria

Qualifiers

Patients who have undergone PCI and are on maintenance treatment with DAPT, composed of low-dose aspirin (81mg qd) with either prasugrel (10 mg qd) or ticagrelor (90 mg bid). In particular, patients who underwent PCI in the setting of an acute coronary syndrome will be eligible for randomization after ≥90 days post-PCI, while patients who underwent PCI in the setting of a chronic coronary syndrome ≥30 days post-PCI.

Age ≥18 years

Provide written informed consent.

Disqualifiers

Prior history of stent thrombosis

PCI within 30 days

On treatment with any oral anticoagulant (vitamin K antagonists, dabigatran, rivaroxaban, apixaban, edoxaban) or chronic low-molecular-weight heparin (at venous thrombosis treatment, not for prophylaxis)

Hemodynamic instability

Trial design

Treatments tested in this trial

  • Prasugrel/Ticagrelor monotherapy or aspirin plus clopidogrel
  • Aspirin plus clopidogrel

Treatment groups

90 Participants
are divided into 2 treatment groups

Sponsors and collaborators