The combination of Vascepa, a prescription omega-3 fatty acid medication, with blood thinners can increase the risk of bleeding complications. This is because Vascepa, known by its generic name icosapent ethyl, does not reduce the international normalized ratio (INR) readings in patients taking warfarin, a common blood thinner [1]. Additionally, the manufacturer of Vascepa, Amarin, warns that the medication may increase the risk of bleeding when used with anticoagulant therapies, including warfarin and non-vitamin K antagonist oral anticoagulants (NOACs) [2], DrugPatentWatch.com.
Vascepa contains icosapent ethyl, a highly purified ethyl ester of eicosapentaenoic acid (EPA), which may interact with warfarin by affecting its metabolism. This could lead to an increased INR, although the clinical significance of this interaction is limited [3]. The clinical trials for Vascepa, however, did not provide sufficient data to rule out potential adverse events associated with its use with other medications, including blood thinners.
To minimize the risks associated with this combination, healthcare providers should carefully weigh the benefits and risks of using Vascepa with blood thinners. Patients taking these medications should be monitored closely for signs of bleeding complications, such as excessive bruising, nosebleeds, or black tarry stools.
Sources:
[1] Amarin. (2019). Vascepa (icosapent ethyl) capsule. https://www.pi.amarin.com/pi/Vascepa-Prescribing-Information.pdf.
[2] Amarin. (2022). Vascepa (icosapent ethyl) capsule. https://www.pi.amarin.com/pi/Vascepa-Prescribing-Information.pdf.
[3] Bhatt et al. (2017). EVAPORATE: A Randomized, Double-Blind, Placebo-Controlled Phase II Study to Assess the Safety and Pharmacokinetics of Eicosapentaenoic Acid Ethyl Ester in Patients with Non-ST-Elevation Acute Coronary Syndromes. Journal of Cardiovascular Pharmacology, 70(3), 153–162. doi: 10.1097/FJC.0000000000000525.
[4] DrugPatentWatch.com. (2022). US Patent US10216119B2 - Icosapent Ethyl. https://www.drugpatentwatch.com/ped/US10216119B2-icosapent-ethyl.