Ethyl eicosapentaenoic acid

Ethyl eicosapentaenoic acid
Names
Trade namesVascepa, Vazkepa, others
Other namesEicosapentaenoic acid ethyl ester; Ethyl eicosapentaenoate; Eicosapent; EPA ethyl ester; E-EPA, Icosapent ethyl (USAN US)
IUPAC name
  • Ethyl (5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoate
Clinical data
Drug classOmega-3 fatty acid[1]
Main usesHigh triglycerides[2][3]
Side effectsMuscle pain, swelling, constipation, gout, atrial fibrillation[3]
WHO AWaReUnlinkedWikibase error: ⧼unlinkedwikibase-error-statements-entity-not-set⧽
Routes of
use		By mouth
External links
AHFS/Drugs.comMonograph
MedlinePlusa613024
Legal
License data
Legal status
Chemical and physical data
FormulaC22H34O2
Molar mass330.512 g·mol−1
3D model (JSmol)
SMILES
  • CCC=CCC=CCC=CCC=CCC=CCCCC(=O)OCC
InChI
  • InChI=1S/C22H34O2/c1-3-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22(23)24-4-2/h5-6,8-9,11-12,14-15,17-18H,3-4,7,10,13,16,19-21H2,1-2H3/b6-5-,9-8-,12-11-,15-14-,18-17- ☒N
  • Key:SSQPWTVBQMWLSZ-AAQCHOMXSA-N ☒N

Ethyl eicosapentaenoic acid (E-EPA), also known as icosapent ethyl, is a medication used to treat high triglycerides.[2][3] It is used with diet and statins when triglycerides are greater than 500 mg/dL; or greater than 150 mg/dL in those at high risk.[3] It is taken by mouth.[4]

Common side effects include muscle pain, swelling, constipation, gout, and atrial fibrillation.[3] Other side effects may include allergic reactions and bleeding.[3] It is made from the omega-3 fatty acid eicosapentaenoic acid (EPA) from fish oil.[1] How it works is not exactly clear.[2]

Ethyl eicosapentaenoic acid was approved for medical use in the United States in 2012 and Europe in 2021.[4][2] A generic version has been approved.[5] In the United States it costs about 84 USD per month as of 2021.[6] As of 2021 it was not commercially available in the United Kingdom or Europe.[7]

Medical uses

In the European Union, icosapent ethyl is indicated to reduce cardiovascular risk as an adjunct to statin therapy.[2]

In the United States, icosapent ethyl is indicated as an adjunct to statin therapy to reduce the risk of myocardial infarction, stroke, coronary revascularization, and unstable angina requiring hospitalization in adults with elevated triglyceride levels (≥ 150 mg/dL) and established cardiovascular disease or diabetes and two or more additional risk factors for cardiovascular disease.[3] It is also indicated as an adjunct to diet to reduce triglyceride levels in adults with severe (≥ 500 mg/dL) hypertriglyceridemia.[3]

Intake of large doses (2.0 to 4.0 g/day) of long-chain omega-3 fatty acids as prescription drugs or dietary supplements are generally required to achieve significant (> 15%) lowering of triglycerides, and at those doses the effects can be significant (from 20% to 35% and even up to 45% in individuals with levels greater that 500 mg/dL). It appears that both eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) lower triglycerides, however, DHA alone appears to raise low-density lipoprotein (the variant which drives atherosclerosis; sometimes very inaccurately called: "bad cholesterol") and LDL-C values (always only a calculated estimate; not measured by labs from person's blood sample for technical and cost reasons), whilst eicosapentaenoic acid (EPA) alone does not and instead lowers the parameters aforementioned.[8]

Dosage

It is taken as 2 gram twice per day.[3]

Other fish-oil based drugs

There are other omega-3 fish-oil based drugs on the market that have similar uses and mechanisms of action:[9][10][11]

Dietary supplements

There are many fish oil dietary supplements on the market.[10] Evidence does not support a beneficial role for ω-3 dietary supplements to reduce cardiovascular disease as an addition to contemporary medical therapy including statin therapy.[19][20][21] The ingredients of dietary supplements are not as carefully controlled as prescription products and have not been fixed and tested in clinical trials, as prescription drugs have,[22] and the prescription forms are more concentrated, requiring fewer capsules to be taken and increasing the likelihood of compliance.[10]

Side effects

Special caution should be taken with people who have fish and shellfish allergies.[3] In addition, as with other omega-3 fatty acids, taking ethyl eicosapentaenoic acid (E-EPA) puts people who are on anticoagulants at risk for prolonged bleeding time.[3][8] The most commonly reported side effect in clinical trials has been joint pain; some people also reported pain in their mouth or throat.[3] E-EPA has not been tested in pregnant women;[23] it is excreted in breast milk and the effects on infants are not known.[3]

Pharmacology

After ingestion, ethyl eicosapentaenoic acid (E-EPA) is metabolized to eicosapentaenoic acid (EPA). EPA is absorbed in the small intestine and enters circulation. Peak plasma concentration occurs about five hours after ingestion and the half-life is about 89 hours. EPA is lipolyzed mostly in the liver.[3]

Mechanism of action

Eicosapentaenoic acid (EPA), the active metabolite of ethyl eicosapentaenoic acid (E-EPA), like other omega-3 fatty acid based drugs, appears to reduce production of triglycerides in the liver, and to enhance clearance of triglycerides from circulating very low-density lipoprotein (VLDL) particles; the way it does that is not clear, but potential mechanisms include increased breakdown of fatty acids; inhibition of diglyceride acyltransferase which is involved in biosynthesis of triglycerides in the liver; and increased activity of lipoprotein lipase in blood.[3][9]

Chemistry

Ethyl eicosapentaenoic acid (E-EPA) is an ethyl ester of eicosapentaenoic acid, which is an omega-3 fatty acid.[3]

History

In July 2012, the US Food and Drug Administration (FDA) approved ethyl eicosapentaenoic acid (E-EPA) for severe hypertriglyceridemia as an adjunct to dietary measures;[24] Amarin Corporation had developed the drug.[25] Amarin Corporation, challenged the FDA's authority to limit its ability to market the drug for off-label use and won its case on appeal in 2012, changing the way the FDA regulates the marketing of medication.

Ethyl eicosapentaenoic acid (E-EPA) was the second fish-oil drug to be approved, after omega-3 acid ethyl esters (GlaxoSmithKline's Lovaza which was approved in 2004[26][10][27]) and sales were not as robust as Amarin had hoped. The labels for the two drugs were similar, but doctors prescribed Lovaza for people who had triglycerides lower than 500 mg/dL based on some clinical evidence. Amarin wanted to actively market E-EPA for that population as well which would have greatly expanded its revenue, and applied to the FDA for permission to do so in 2013, which the FDA denied.[28] In response, in May 2015 Amarin sued the FDA for infringing its First Amendment rights,[29] and in August 2015, a judge ruled that the FDA could not "prohibit the truthful promotion of a drug for unapproved uses because doing so would violate the protection of free speech."[30] The ruling left open the question of what the FDA would allow Amarin to say about E-EPA, and in March 2016 the FDA and Amarin agreed that Amarin would submit specific marketing material to the FDA for the FDA to review, and if the parties disagreed on whether the material was truthful, they would seek a judge to mediate.[31]

In December 2019, the FDA approved the use of icosapent ethyl as an adjunctive (secondary) therapy to reduce the risk of cardiovascular events among adults with elevated triglyceride levels (a type of fat in the blood) of 150 milligrams per deciliter or higher.[1] People must also have either established cardiovascular disease or diabetes and two or more additional risk factors for cardiovascular disease.[1]

Icosapent ethyl is the first FDA approved drug to reduce cardiovascular risk among people with elevated triglyceride levels as an add-on to maximally tolerated statin therapy.[1]

The efficacy and safety of icosapent ethyl were established in a study with 8,179 participants who were either 45 years and older with a documented history of coronary artery, cerebrovascular, carotid artery and peripheral artery disease, or 50 years and older with diabetes and additional risk factors for cardiovascular disease.[1] Participants who received icosapent ethyl were significantly less likely to experience a cardiovascular event, such as a stroke or heart attack.[1]

In clinical trials, icosapent ethyl was associated with an increased risk of atrial fibrillation or atrial flutter (irregular heart rhythms) requiring hospitalization.[1] The incidence of atrial fibrillation was greater among participants with a history of atrial fibrillation or atrial flutter.[1] Icosapent ethyl was also associated with an increased risk of bleeding events.[1] The incidence of bleeding was higher among participants who were also taking other medications that increase the risk of bleeding, such as aspirin, clopidogrel or warfarin at the same time.[1]

On 13 December 2019, the FDA also approved it as the first drug specifically "to reduce cardiovascular risk among people with elevated triglyceride levels".[1]

Society and culture

On 28 January 2021, the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) adopted a positive opinion, recommending the granting of a marketing authorization for the medicinal product Vazkepa, intended to reduce the risk of cardiovascular events in people at high cardiovascular risk.[32] The applicant for this medicinal product is Amarin Pharmaceuticals Ireland Limited.[32] It was approved for medical use in the European Union in March 2021.[2]

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 "FDA approves use of drug to reduce risk of cardiovascular events in certain adult patient groups". U.S. Food and Drug Administration (FDA) (Press release). 13 December 2019. Archived from the original on 22 December 2019. Retrieved 21 December 2019. Public Domain This article incorporates text from this source, which is in the public domain.
  2. 1 2 3 4 5 6 7 "Vazkepa EPAR". European Medicines Agency (EMA). 25 January 2021. Archived from the original on 9 July 2021. Retrieved 7 July 2021.
  3. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 "Vascepa- icosapent ethyl capsule". DailyMed. 23 December 2019. Archived from the original on 5 February 2021. Retrieved 15 January 2020.
  4. 1 2 "Icosapent Ethyl Monograph for Professionals". Drugs.com. Archived from the original on 9 March 2021. Retrieved 25 November 2021.
  5. ↑ "Icosapent ethyl: FDA-Approved Drugs". U.S. Food and Drug Administration (FDA). Archived from the original on 19 October 2020. Retrieved 15 August 2020.
  6. ↑ "Icosapent Ethyl Prices, Coupons & Savings Tips - GoodRx". GoodRx. Retrieved 25 November 2021.
  7. ↑ "Icosapent ethyl". SPS - Specialist Pharmacy Service. 21 January 2016. Archived from the original on 11 December 2021. Retrieved 25 November 2021.
  8. 1 2 Jacobson TA, Maki KC, Orringer CE, Jones PH, Kris-Etherton P, Sikand G, et al. (2015). "National Lipid Association Recommendations for Patient-Centered Management of Dyslipidemia: Part 2". Journal of Clinical Lipidology. 9 (6 Suppl): S1–122.e1. doi:10.1016/j.jacl.2015.09.002. PMID 26699442.
  9. 1 2 Weintraub HS (November 2014). "Overview of prescription omega-3 fatty acid products for hypertriglyceridemia". Postgraduate Medicine. 126 (7): 7–18. doi:10.3810/pgm.2014.11.2828. PMID 25387209. S2CID 12524547.
  10. 1 2 3 4 Ito MK (December 2015). "A Comparative Overview of Prescription Omega-3 Fatty Acid Products". P T. 40 (12): 826–57. PMC 4671468. PMID 26681905. Archived from the original on 16 January 2020. Retrieved 11 July 2021.
  11. ↑ Brinton EA, Mason RP (January 2017). "Prescription omega-3 fatty acid products containing highly purified eicosapentaenoic acid (EPA)". Lipids Health Dis. 16 (1): 23. doi:10.1186/s12944-017-0415-8. PMC 5282870. PMID 28137294.
  12. ↑ "University of Utah Pharmacy Services (15 August 2007) "Omega-3-acid Ethyl Esters Brand Name Changed from Omacor to Lovaza"". Archived from the original on 3 March 2016. Retrieved 1 April 2016.
  13. ↑ "Omtryg- omega-3-acid ethyl esters capsule". DailyMed. 31 March 2016. Archived from the original on 11 January 2017. Retrieved 15 January 2020.
  14. ↑ FDA Omega-3 acid ethyl esters productsPage accessed 31 March 2016 Archived 5 September 2015 at the Wayback Machine
  15. ↑ "Omega-3-acid ethyl esters". DailyMed. Archived from the original on 2 February 2020. Retrieved 2 February 2020.
  16. ↑ "Epanova (omega-3-carboxylic acids)". CenterWatch. Archived from the original on 25 December 2014. Retrieved 15 December 2014.
  17. ↑ "Drug Approval Package: Epanova (Omega-3-carboxylic acids)". U.S. Food and Drug Administration (FDA). 28 March 2016. Archived from the original on 15 January 2020. Retrieved 15 January 2020.
  18. ↑ "Epanova (omega-3-carboxylic acids) FDA Approval History". Drugs.com. 5 May 2014. Archived from the original on 16 January 2020. Retrieved 15 January 2020.
  19. ↑ American Diabetes Association (20 December 2019). "Facilitating Behavior Change and Well-being to Improve Health Outcomes: Standards of Medical Care in Diabetes-2020". Diabetes Care. American Diabetes Association. 43 (Supplement 1): S53. doi:10.2337/dc20-S005. ISSN 1935-5548. PMID 31862748. Archived from the original on 12 May 2021. Retrieved 11 July 2021.
  20. ↑ Jellinger, Paul S.; Handelsman, Yehuda; Rosenblit, Paul D.; Bloomgarden, Zachary T.; Fonseca, Vivian A.; Garber, Alan J.; Grunberger, George; Guerin, Chris K.; Bell, David S. H.; Mechanick, Jeffrey I.; Pessah-Pollack, Rachel; Wyne, Kathleen; Smith, Donald; Brinton, Eliot A.; Fazio, Sergio; Davidson, Michael (13 June 2019). "American Association of Clinical Endocrinologists and American College of Endocrinology Guidelines for Management of Dyslipidemia and Prevention of Cardiovascular Disease". Endocrine Practice. AACECOR. 23 (Supplement 2): 14. doi:10.4158/EP171764.APPGL. ISSN 1934-2403. PMID 28437620.
  21. ↑ Skulas-Ray, Ann C.; Wilson, Peter W.F.; Harris, William S.; Brinton, Eliot A.; Kris-Etherton, Penny M.; Richter, Chesney K.; Jacobson, Terry A.; Engler, Mary B.; Miller, Michael; Robinson, Jennifer G.; Blum, Conrad B.; Rodriguez-Leyva, Delfin; de Ferranti, Sarah D.; Welty, Francine K. (17 September 2019). "Omega-3 Fatty Acids for the Management of Hypertriglyceridemia: A Science Advisory From the American Heart Association". Circulation. Lippincott Williams & Wilkins. 140 (12): e687. doi:10.1161/CIR.0000000000000709. ISSN 1524-4539. PMID 31422671.
  22. ↑ Sweeney ME (14 April 2015). Khardori R (ed.). "Hypertriglyceridemia Pharmacologic Therapy". Medscape Drugs & Diseases. Archived from the original on 8 April 2018. Retrieved 1 April 2016.
  23. ↑ "Icosapent (Vascepa) Use During Pregnancy". Drugs.com. 18 February 2019. Archived from the original on 22 December 2019. Retrieved 15 January 2020.
  24. ↑ "Drug Approval Package: Vascepa (icosapent ethyl) NDA #202057". U.S. Food and Drug Administration (FDA). 6 March 2013. Archived from the original on 15 January 2020. Retrieved 15 January 2020.
  25. ↑ CenterWatch Vascepa (icosapent ethyl) Archived 5 August 2019 at the Wayback Machine Page accessed 31 March 2016
  26. ↑ "Drug Approval Package: Omacor (Omega-3-Acid Ethyl Esters) NDA #021654". U.S. Food and Drug Administration (FDA). 24 December 1999. Archived from the original on 2 February 2020. Retrieved 15 January 2020.
  27. ↑ VHA Pharmacy Benefits Management Strategic Healthcare Group and the Medical Advisory Panel. October 2005 National PBM Drug Monograph Omega-3-acid ethyl esters (Lovaza, formerly Omacor) Archived 22 December 2016 at the Wayback Machine
  28. ↑ Herper M (17 October 2013). "Why The FDA Is Right To Block Amarin's Push To Market Fish Oil To Millions". Forbes. Archived from the original on 2 December 2020. Retrieved 11 July 2021.
  29. ↑ Thomas K (7 May 2015). "Drugmaker Sues F.D.A. Over Right to Discuss Off-Label Uses". The New York Times. Archived from the original on 22 December 2020. Retrieved 17 May 2017.
  30. ↑ Pollack A (7 August 2015). "Court Forbids F.D.A. From Blocking Truthful Promotion of Drug". The New York Times. Archived from the original on 22 December 2020. Retrieved 21 December 2019.
  31. ↑ Thomas K (9 March 2016). "F.D.A. Deal Allows Amarin to Promote Drug for Off-Label Use". The New York Times. Archived from the original on 8 November 2020. Retrieved 21 December 2019.
  32. 1 2 "Vazkepa: Pending EC decision". European Medicines Agency (EMA). 29 January 2021. Archived from the original on 1 February 2021. Retrieved 1 February 2021.
Identifiers:
  • "Icosapent ethyl". Drug Information Portal. U.S. National Library of Medicine. Archived from the original on 22 December 2019. Retrieved 11 July 2021.
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