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Betrixaban

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Betrixaban
Clinical data
Trade namesBevyxxa
Other namesPRT054021, PRT064445
AHFS/Drugs.combevyxxa
Routes of
administration		By mouth
ATC code
Legal status
Legal status
Pharmacokinetic data
Protein binding60%
Elimination half-life19–27 hrs
Duration of action≥72 hrs
Excretion85% feces, 11% urine
Identifiers
  • N-(5-Chloropyridin-2-yl)-2-([4-(N,N-dimethylcarbamimidoyl)benzoyl]amino)-5-methoxybenzamide
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.207.746 Edit this at Wikidata
Chemical and physical data
FormulaC23H22ClN5O3
Molar mass451.91 g·mol−1
3D model (JSmol)
  • CN(C)C(=N)C1=CC=C(C=C1)C(=O)NC2=C(C=C(C=C2)OC)C(=O)NC3=NC=C(C=C3)Cl
  • InChI=1S/C23H22ClN5O3/c1-29(2)21(25)14-4-6-15(7-5-14)22(30)27-19-10-9-17(32-3)12-18(19)23(31)28-20-11-8-16(24)13-26-20/h4-13,25H,1-3H3,(H,27,30)(H,26,28,31) checkY
  • Key:XHOLNRLADUSQLD-UHFFFAOYSA-N checkY
 ☒NcheckY (what is this?)  (verify)

Betrixaban (trade name Bevyxxa) is an oral anticoagulant drug which acts as a direct factor Xa inhibitor.[1] Betrixaban is FDA approved for venous thrombosis prevention in adults hospitalized for an acute illness who are at risk for thromboembolic complications.[2] Compared to other directly acting oral anticoagulants betrixaban has relatively low renal excretion and is not metabolized by CYP3A4.[3]

History

[edit]

Betrixaban was originally developed by Millennium Pharmaceuticals. Portola Pharmaceuticals acquired rights for betrixaban in 2004 and co-developed it with Merck. In 2011 Merck discontinued joint development.[4]

The drug has undergone clinical trials for prevention of embolism after knee surgery[5] and for prevention of stroke following non-valvular atrial fibrillation.[6][7] Betrixaban was also studied in a large phase III clinical trial for extended duration thromboprophylaxis in acute ill patients.[8] Previously apixaban and rivaroxaban have failed to show positive risk/benefit ratio in this indication compared to enoxaparin.[9][10][non-primary source needed] APEX trial compared betrixaban with enoxaparin and included 7513 patients. Lower rate of VTE events was found in betrixaban arm with no increase in major bleedings compared to enoxaparin.[11] Based on these results betrixaban was approved by FDA on June 23, 2017, becoming the first DOAC approved for extended prophylaxis in hospitalized patients.[12]

Betrixaban has been also reviewed by EMA but didn't receive marketing approval in EU mainly due to concerns of increased bleeding risk and absence of reversal agent.[13]

See also

[edit]

References

[edit]
  1. ^ Eriksson BI, Quinlan DJ, Weitz JI (2009). "Comparative pharmacodynamics and pharmacokinetics of oral direct thrombin and factor xa inhibitors in development". Clinical Pharmacokinetics. 48 (1): 1–22. doi:10.2165/0003088-200948010-00001. PMID 19071881. S2CID 35948814.
  2. ^ "Approved Drugs - FDA approved betrixaban (BEVYXXA, Portola) for the prophylaxis of venous thromboembolism (VTE) in adult patients". Center for Drug Evaluation and Research (CDER). U.S. Food and Drug Administration. Retrieved 2018-10-29.
  3. ^ Huisman MV, Klok FA (May 2018). "Pharmacological properties of betrixaban". European Heart Journal Supplements. 20 (Suppl E): E12–E15. doi:10.1093/eurheartj/suy016. PMC 6016700. PMID 29977164.
  4. ^ Husten H (24 March 2011). "Merck Abandons Development of Factor Xa Inhibitor Betrixaban". CardioBrief. Retrieved 11 April 2014.
  5. ^ Turpie AG, Bauer KA, Davidson BL, Fisher WD, Gent M, Huo MH, et al. (January 2009). "A randomized evaluation of betrixaban, an oral factor Xa inhibitor, for prevention of thromboembolic events after total knee replacement (EXPERT)". Thrombosis and Haemostasis. 101 (1): 68–76. doi:10.1160/th08-07-0460. PMID 19132191. S2CID 21670373.
  6. ^ Piccini JP, Lopes RD, Mahaffey KW (July 2010). "Oral factor Xa inhibitors for the prevention of stroke in atrial fibrillation". Current Opinion in Cardiology. 25 (4): 312–320. doi:10.1097/HCO.0b013e32833a524f. PMID 20520539. S2CID 25718628.
  7. ^ Sobieraj-Teague M, O'Donnell M, Eikelboom J (July 2009). "New anticoagulants for atrial fibrillation". Seminars in Thrombosis and Hemostasis. 35 (5): 515–524. doi:10.1055/s-0029-1234147. PMID 19739042.
  8. ^ Cohen AT, Harrington R, Goldhaber SZ, Hull R, Gibson CM, Hernandez AF, et al. (March 2014). "The design and rationale for the Acute Medically Ill Venous Thromboembolism Prevention with Extended Duration Betrixaban (APEX) study". American Heart Journal. 167 (3): 335–341. doi:10.1016/j.ahj.2013.11.006. PMID 24576517.
  9. ^ Cohen AT, Spiro TE, Büller HR, Haskell L, Hu D, Hull R, et al. (February 2013). "Rivaroxaban for thromboprophylaxis in acutely ill medical patients". The New England Journal of Medicine. 368 (6): 513–523. doi:10.1056/nejmoa1111096. hdl:10447/96593. PMID 23388003.
  10. ^ Goldhaber SZ, Leizorovicz A, Kakkar AK, Haas SK, Merli G, Knabb RM, Weitz JI (December 2011). "Apixaban versus enoxaparin for thromboprophylaxis in medically ill patients". The New England Journal of Medicine. 365 (23): 2167–2177. doi:10.1056/nejmoa1110899. hdl:2437/127244. PMID 22077144.
  11. ^ Cohen AT, Harrington RA, Goldhaber SZ, Hull RD, Wiens BL, Gold A, et al. (August 2016). "Extended Thromboprophylaxis with Betrixaban in Acutely Ill Medical Patients". The New England Journal of Medicine. 375 (6): 534–544. doi:10.1056/nejmoa1601747. hdl:11573/884978. PMID 27232649.
  12. ^ "FDA approved betrixaban (BEVYXXA, Portola) for the prophylaxis of venous thromboembolism (VTE) in adult patients". Food and Drug Administration. Retrieved 28 June 2017.
  13. ^ "Refusal of the marketing authorisation for Dexxience (betrixaban): Outcome of re-examination" (PDF). Committee for Medicinal Products for Human Use (CHMP). European Medicines Agency. 27 July 2018.


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