Hematology and Oncology Book



Aka: Vorapaxar, Zontivity, Protease-Activated Receptor-1 Antagonist, PAR-1 Antagonist
  1. Mechanism
    1. Protease-Activated Receptor-1 Antagonist (PAR-1 Antagonist)
    2. Inhibits Platelet aggregation for 4 weeks after dose
  2. Indications
    1. Not intended to be used alone
    2. Limited to patients with very high cardiovascular risk
    3. Adjunctive therapy to low dose Aspirin or Clopidogrel (Plavix)
      1. Myocardial Infarction
      2. Peripheral Arterial Disease
  3. Contraindications
    1. Prior Cerebrovascular Accident (CVA) or Transient Ischemic Attack (TIA)
      1. Vorapaxar is associated with an increase risk of Hemorrhagic CVA in patients with prior cerebrovascular events
    2. Combination with other antiplatelet agents (other than Aspirin or Clopidogrel)
      1. Has not been studied with Prasugrel (Effient) or Ticagrelor (Brilinta)
    3. Avoid with strong CYP3A4 inhibitors or strong CYP3A4 inducers
  4. Drug Interactions
    1. Strong CYP3A4 inhibitors
    2. Strong CYP3A4 inducers
  5. Precautions
    1. Long Half-Life
    2. No antidote in the case of severe bleeding
  6. References
    1. Morrow (2012) N Engl J Med 366(15):1404-13 [PubMed]
Medication Costs
zontivity (on 8/17/2016 at Medicaid.Gov Pharmacy Drug pricing)
ZONTIVITY 2.08 MG TABLET $9.24 each
FPNotebook does not benefit financially from showing this medication data or their pharmacy links. This information is provided only to help medical providers and their patients see relative costs. Insurance plans negotiate lower medication prices with suppliers. Prices shown here are out of pocket, non-negotiated rates. See Needy Meds for financial assistance information.

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