Bivalirudin

Bivalirudin
Clinical data
Trade names Angiomax
AHFS/Drugs.com Monograph
Pregnancy
category
  • US: B (No risk in non-human studies)
Routes of
administration
Intravenous injection/infusion only
ATC code B01AE06 (WHO)
Legal status
Legal status
  • Rx-only. Not a controlled substance.
Pharmacokinetic data
Bioavailability N/A (IV application only)
Metabolism Angiomax is cleared from plasma by a combination of renal mechanisms and proteolytic cleavage
Biological half-life ~25 minutes in patients with normal renal function
Identifiers
Synonyms d-Phenylalanyl-l-prolyl-l-arginyl
-l-prolylglycylglycylglycylglycyl-l-asparaginylglycyl
-l-alpha-aspartyl-l-phenylalanyl
-l-alpha-glutamyl-l-alpha-glutamyl-l-isoleucyl
-l-prolyl-l-alpha-glutamyl-l-alpha-glutamyl
-l-tyrosyl-l-leucine
CAS Number 128270-60-0 YesY
PubChem (CID) 16129704
IUPHAR/BPS 6470
DrugBank DB00006 YesY
ChemSpider 10482069 YesY
UNII TN9BEX005G YesY
ChEBI CHEBI:59173 YesY
ChEMBL CHEMBL1201455 N
Chemical and physical data
Formula C98H138N24O33
Molar mass 2180.29 g/mol
3D model (Jmol) Interactive image
 NYesY (what is this?)  (verify)

Bivalirudin (Angiomax or Angiox, manufactured by The Medicines Company) is a specific and reversible direct thrombin inhibitor (DTI).[1]

Chemically, it is a synthetic congener of the naturally occurring drug hirudin (found in the saliva of the medicinal leech Hirudo medicinalis).

Bivalirudin is a DTI that overcomes many limitations seen with indirect thrombin inhibitors, such as heparin. Bivalirudin is a short, synthetic peptide that is potent, highly specific, and a reversible inhibitor of thrombin.[1][2][3] It inhibits both circulating and clot-bound thrombin,[3] while also inhibiting thrombin-mediated platelet activation and aggregation.[4] Bivalirudin has a quick onset of action and a short half-life.[1] It does not bind to plasma proteins (other than thrombin) or to red blood cells. Therefore, it has a predictable antithrombotic response. There is no risk for Heparin Induced Thrombocytopenia/Heparin Induced Thrombosis-Thrombocytopenia Syndrome (HIT/HITTS).[1] It does not require a binding cofactor such as antithrombin and does not activate platelets.[2][5] These characteristics make bivalirudin an ideal alternative to heparin.

Bivalirudin clinical studies demonstrated consistent positive outcomes in patients with stable angina, unstable angina (UA), non-ST segment elevation myocardial infarction (NSTEMI), and ST-segment elevation myocardial infarction (STEMI) undergoing PCI in 7 major randomized trials.[1][3][4][6][7] Patients receiving bivalirudin had fewer adverse events compared to patients that received heparin.[8][9]

Indications

US (United States) Indications:[1]

EU (European) indications:[10]

Basic chemical and pharmacological properties

Mechanism of action[1]

Bivalirudin directly inhibits thrombin by specifically binding both to the catalytic site and to the anion-binding exosite of circulating and clot-bound thrombin. Thrombin is a serine proteinase that plays a central role in the thrombotic process. It cleaves fibrinogen into fibrin monomers, activates Factor V, VIII, and XIII, allowing fibrin to develop a covalently cross-linked framework that stabilizes the thrombus. Thrombin also promotes further thrombin generation, and activates platelets, stimulating aggregation and granule release. The binding of bivalirudin to thrombin is reversible as thrombin slowly cleaves the bivalirudin-Arg3-Pro4 bond, resulting in recovery of thrombin active site functions.[11]

Pharmacokinetics[1]

-Normal renal function (≥ 90 mL/min) = 25 minutes

-Mild renal dysfunction (60–89 mL/min) = 22 minutes

-Moderate renal dysfunction (30-59 mL/min) = 34 minutes

-Severe renal dysfunction (≤ 29 mL/min) = 57 minutes

-Dialysis-dependent = 3.5 hours

Pharmacodynamics[1]

Coagulation times return to baseline approximately 1 hour following cessation of bivalirudin administration.

Dosing and administration

Bivalirudin is intended for IV use only and is supplied as a sterile, lyophilized product in single-use, glass vials. After reconstitution, each vial delivers 250 mg of bivalirudin.

US dosing:[1]

EU dosing:[10]

-Bolus: 0.1 mg/kg

-Infusion: 0.25 mg/kg/h for up to 72 hours for medical management

-If patient proceeds to PCI, an additional bolus of 0.5 mg/kg of bivalirudin should be administered before the procedure and the infusion increased to 1.75 mg/kg/h for the duration of the procedure.

-Bolus: 0.75 mg/kg

-Infusion: 1.75 mg/kg/h

-Patients proceeding to CABG surgery off-pump:

The IV infusion of bivalirudin should be continued until the time of surgery. Just prior to surgery, a 0.5 mg/kg bolus dose should be administered followed by a 1.75 mg/kg/h infusion for the duration of the surgery.

-Patients proceeding to CABG surgery on-pump:

The IV infusion of bivalirudin should be continued until 1 hour prior to surgery after which the infusion should be discontinued

Five minutes after the bolus dose has been administered, an activating clotting time (ACT) should be performed and an additional bolus of 0.3 mg/kg should be given if needed.[1]

Continuation of the bivalirudin infusion following PCI for up to 4 hours post-procedure is optional, at the discretion of the treating physician. After 4 hours, an additional IV infusion of bivalirudin may be initiated at a rate of 0.2 or 0.25 mg/kg/h for up to 20 hours, if needed.[1][10]

Bivalirudin should be administered with optimal antiplatelet therapy (aspirin plus clopidogrel).[1][10]

Renal impairment

A reduction in the infusion dose of bivalirudin should be considered in patients with moderate or severe renal impairment. If a patient is on hemodialysis, the infusion should be reduced to 0.25 mg/kg/h. No reduction in the bolus dose is needed.[1][10]

Safety information

Bivalirudin is contraindicated in patients with active major bleeding and hypersensitivity to bivalirudin or its components. (In the EU bivalirudin is also contraindicated in patients with an increased risk of bleeding due to hemostasis disorders and/or irreversible coagulation disorders, severe uncontrolled hypertension, subacute bacterial endocarditis, and severe renal impairment [GFR<30 ml/min] and in dialysis-dependent patients).[1][10]

Bivalirudin is an anticoagulant. Therefore, bleeding is an expected adverse event. In clinical trials, bivalirudin treated patients exhibited statistically significantly lower rates of bleeding than patients treated with heparin plus a GP IIb/IIIa inhibitor. The most common (≥10%) adverse events of bivalirudin are back pain, pain, nausea, headache, and hypotension.[1][10]

Bivalirudin is classified as Pregnancy Category B.[1][10]

Pediatric experience

The U.S. Food and Drug Administration (FDA) granted pediatric exclusivity for bivalirudin, based on studies submitted in response to a written request by the FDA to investigate the use of bivalirudin in pediatric patients aged birth to 16-years old.

The submission was based on a prospective, open-label, multi-center, single arm study evaluating bivalirudin as a procedural anticoagulant in the pediatric population undergoing intravascular procedures for congenital heart disease.

Study outcomes suggest that the pharmacokinetic (PK) and pharmacodynamic (PD) response of bivalirudin in the pediatric population is predictable and behaves in a manner similar to that in adults.[12]

Comparative results

Bivalirudin is supported by 7 major randomized trials. These trials include REPLACE-2 (Randomized Evaluation of PCI Linking Angiomax to Reduced Clinical Events-2), BAT (Bivalirudin Angioplasty Trial), ACUITY (Acute Catheterization and Urgent Intervention Triage Strategy Trial), and HORIZONS AMI (Harmonizing Outcomes With Revascularization and Stents in AMI). A total of 25,000 patients with a low to high risk for ischemic complications undergoing PCI were evaluated. Bivalirudin with or without provisional GPIIb/IIIa demonstrated similar angiographic and procedural outcomes and improved clinical outcomes when compared with heparin plus GPIIb/IIIa.[1][4][6][7][13]

HORIZONS-AMI[13][14][15]

HORIZONS AMI was a prospective, randomized, open-label, double-arm multicenter trial in STEMI patients undergoing primary PCI.

30 Day Results

1-Year Results

2-Year Results

ACUITY[4]

ACUITY was a large multicenter, prospective, open-label, 3-arm trial designed to establish the optimal antithrombotic treatment regimens in patients with UA/NSTEMI undergoing early invasive management.

30-Day Results

1-Year Results

REPLACE-2[7]

REPLACE-2 was a multicenter, double-blind, triple dummy randomized clinical trial in patients with low to moderate risk for ischemic complications undergoing PCI.

30 Days

1-Year Results

BAT[6]

The Phase III Bivalirudin Angioplasty Trial (BAT) was a randomized, prospective, double blind, multicenter study in patients with unstable angina undergoing PTCA.

Guidelines

Bivalirudin has Class I recommendations in multiple national guidelines.

US guidelines[16][17][18]

Patient Type Guidelines Recommendations
STEMI and primary PCI ACC/AHA/SCAI 2009 Joint STEMI/PCI Focused Update Class I-B, IIa-B
UA/NSTEMI ACC/AHA 2007 guidelines for UA/NSTEMI patients Class I-B, IIa-B
NSTE-ACS patients ACCP 2008 clinical practice guidelines for patients with NSTE-ACS Grade 1A, 2B
PCI ACCP 2008 clinical practice guidelines for patients with NSTE-ACS Grade 1B

EU guidelines[19][20][21]

Patient Type Guidelines Recommendations
STEMI European Society of Cardiology 2008 Class IIa – B
NSTE-ACS European Society of Cardiology 2007 Class IIa-B, IB
PCI European Society of Cardiology 2005 Class IIa C, IC

See also

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 "Angiomax (bivalirudin) Prescribing Information" (PDF). The Medicines Company. Archived from the original (PDF) on April 26, 2012. Retrieved 2 December 2011.
  2. 1 2 Anand, S. X.; Kim, M. C.; Kamran, M.; Sharma, S. K.; Kini, A. S.; Fareed, J.; Hoppensteadt, D. A.; Carbon, F.; Cavusoglu, E.; Varon, D.; Viles-Gonzalez, J. F.; Badimon, J. J.; Marmur, J. D. (2007). "Comparison of Platelet Function and Morphology in Patients Undergoing Percutaneous Coronary Intervention Receiving Bivalirudin Versus Unfractionated Heparin Versus Clopidogrel Pretreatment and Bivalirudin". The American Journal of Cardiology. 100 (3): 417–424. doi:10.1016/j.amjcard.2007.02.106. PMID 17659921.
  3. 1 2 3 Weitz, J. I.; Hudoba, M.; Massel, D.; Maraganore, J.; Hirsh, J. (1990). "Clot-bound thrombin is protected from inhibition by heparin-antithrombin III but is susceptible to inactivation by antithrombin III-independent inhibitors". Journal of Clinical Investigation. 86 (2): 385–391. doi:10.1172/JCI114723. PMC 296739Freely accessible. PMID 2384594.
  4. 1 2 3 4 Stone, G. W.; McLaurin, B. T.; Cox, D. A.; Bertrand, M. E.; Lincoff, A. M.; Moses, J. W.; White, H. D.; Pocock, S. J.; Ware, J. H.; Feit, F.; Colombo, A.; Aylward, P. E.; Cequier, A. R.; Darius, H.; Desmet, W.; Ebrahimi, R.; Hamon, M.; Rasmussen, L. H.; Rupprecht, H. J. R.; Hoekstra, J.; Mehran, R.; Ohman, E. M.; Acuity, I. (2006). "Bivalirudin for Patients with Acute Coronary Syndromes". New England Journal of Medicine. 355 (21): 2203–2216. doi:10.1056/NEJMoa062437. PMID 17124018.
  5. Weitz, J. I.; Bates, S. M. (2002). "Acute coronary syndromes: A focus on thrombin". The Journal of invasive cardiology. 14 Suppl B: 2B–7B. PMID 11967385.
  6. 1 2 3 Bittl, J. A.; Chaitman, B. R.; Feit, F.; Kimball, W.; Topol, E. J. (2001). "Bivalirudin versus heparin during coronary angioplasty for unstable or postinfarction angina: Final report reanalysis of the Bivalirudin Angioplasty Study". American Heart Journal. 142 (6): 952–959. doi:10.1067/mhj.2001.119374. PMID 11717596.
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  8. Brauser, Deborah (2015-04-13). "BRIGHT in Print: Bivalirudin Bests Heparin for Fewer Bleeding Events During PCI, but Dose Matters". Medscape. Retrieved 14 April 2015.
  9. Yaling, Han. "BivaliRudin in Acute Myocardial Infarction vs Glycoprotein IIb/IIIa and Heparin :a Randomised Controlled Trial. (BRIGHT)". Shenyang Northern Hospital.
  10. 1 2 3 4 5 6 7 8 "Annex 1 - Summary of Product Characteristics" (PDF). www.themedicinescompany.com. The Medicines Company UK Ltd. March 2010. Retrieved 2 December 2011.
  11. "Angiomax US PI June 2013" (PDF). Angiomax.com.
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  14. Mehran, R.; Lansky, A. J.; Witzenbichler, B.; Guagliumi, G.; Peruga, J. Z.; Brodie, B. R.; Dudek, D.; Kornowski, R.; Hartmann, F.; Gersh, B. J.; Pocock, S. J.; Wong, S. C.; Nikolsky, E.; Gambone, L.; Vandertie, L.; Parise, H.; Dangas, G. D.; Stone, G. W.; Horizons-Ami Trial, I. (2009). "Bivalirudin in patients undergoing primary angioplasty for acute myocardial infarction (HORIZONS-AMI): 1-year results of a randomised controlled trial". The Lancet. 374 (9696): 1149–1159. doi:10.1016/S0140-6736(09)61484-7. PMID 19717185.
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  16. Kushner, F. G.; Hand, M.; Smith Jr, S. C.; King Sb, S. B.; Anderson, J. L.; Antman, E. M.; Bailey, S. R.; Bates, E. R.; Blankenship, J. C.; Casey Jr, D. E.; Green, L. A.; Hochman, J. S.; Jacobs, A. K.; Krumholz, H. M.; Morrison, D. A.; Ornato, J. P.; Pearle, D. L.; Peterson, E. D.; Sloan, M. A.; Whitlow, P. L.; Williams, D. O. (2009). "2009 Focused Updates: ACC/AHA Guidelines for the Management of Patients with ST-Elevation Myocardial Infarction (Updating the 2004 Guideline and 2007 Focused Update) and ACC/AHA/SCAI Guidelines on Percutaneous Coronary Intervention (Updating the 2005 Guideline and 2007 Focused Update)". Journal of the American College of Cardiology. 54 (23): 2205–2241. doi:10.1016/j.jacc.2009.10.015. PMID 19942100.
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  18. Harrington, R. A.; Becker, R. C.; Cannon, C. P.; Gutterman, D.; Lincoff, A. M.; Popma, J. J.; Steg, G.; Guyatt, G. H.; Goodman, S. G.; American College of Chest Physicians (2008). "Antithrombotic Therapy for Non-ST-Segment Elevation Acute Coronary Syndromes: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition)". Chest. 133 (6 suppl): 670S–707S. doi:10.1378/chest.08-0691. PMID 18574276.
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