Reduced Dose of Unfractionated Heparin in Patients Undergoing PCI

NCT00735280 | Completed Phase 4

• 1 other identifier: GE IDE No. A01408
• Study Type: interventional
• Target: 2,505
• Locations: 1 country
• Sites: 3

Brief Summary

The aim of this trial is to evaluate whether a reduction in the heparin dose from 140 to 100 U/kg is associated with a better net clinical outcome in patients undergoing PCI after pretreatment with 600mg clopidogrel

Conditions

Coronary Artery Disease

Keywords

Coronary artery disease, stent, heparin

Outcome Measures

Primary Outcomes (1)

• The primary outcome measure will be a composite of death, MI, urgent TVR after 30 days or in hospital bleeding (quadruple endpoint, "net clinical benefit").

  30 days

Secondary Outcomes (2)

• Composite of death, MI or urgent TVR (Triple endpoint to assess ischemic complications)

  30 days

• Composite of death, MI or TVR

  1 year after the index procedure

Study Arms (1)

Reduced dose of unfractionated heparin

EXPERIMENTAL

Drug: unfractionated heparin

Interventions

unfractionated heparin DRUG

bolus of 100 U/kg of unfractionated heparin

Reduced dose of unfractionated heparin

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Patients older than 18 years undergoing a PCI procedure
• Pretreatment with 600mg clopidogrel at least 2 hours before the intervention
• Informed, written consent by the patient or her/his legally-authorized representative for participation in the study.

You may not qualify if:

• Recent ST-elevation myocardial infarction within the last 48 hours
• Acute coronary syndromes with positive biomarkers (Troponin T \> 0.03 μg/L or CK-MB \> ULN)
• Cardiogenic shock
• Malignancies or other comorbid conditions (for example severe liver, renal and pancreatic disease) with life expectancy less than one year or that may result in protocol non-compliance
• Active bleeding; bleeding diathesis
• History of gastrointestinal or genitourinary bleeding within the last 6 weeks
• Presence of diseases which have a high probability of vascular lesions and subsequent bleeding such as active gastric ulcer or active ulcerous colitis
• Recent trauma or major surgery in the last month
• Ophthalmic surgery or brain surgery in the last month
• Retinopathies or vitreous body bleeding in the last month
• History of intracranial bleeding or structural abnormalities (for example aneurysm of cerebral arteries)
• Suspected aortic dissection; pericarditis and subacute bacterial endocarditis
• Patient's refusal to blood transfusion.
• Oral anticoagulation therapy with coumarin derivative within the last 7 days
• Treatment with UFH within 6 hours unless an ACT is less than 150 sec or low-molecular weight heparin within 8 hours before enrollment

Sponsors & Collaborators

• Deutsches Herzzentrum Muenchen: lead

Study Sites (3)

Herz-Zentrum

Bad Krozingen, 79189, Germany

Location

Deutsches Herzzentrum München

München, 81541, Germany

Location

Klinikum rechts der Isar der Technischen Universität München

München, 81675, Germany

Location

Related Publications (17)

• Schomig A, Neumann FJ, Kastrati A, Schuhlen H, Blasini R, Hadamitzky M, Walter H, Zitzmann-Roth EM, Richardt G, Alt E, Schmitt C, Ulm K. A randomized comparison of antiplatelet and anticoagulant therapy after the placement of coronary-artery stents. N Engl J Med. 1996 Apr 25;334(17):1084-9. doi: 10.1056/NEJM199604253341702.

  PMID: 8598866 BACKGROUND

• Bertrand ME, Rupprecht HJ, Urban P, Gershlick AH; CLASSICS Investigators. Double-blind study of the safety of clopidogrel with and without a loading dose in combination with aspirin compared with ticlopidine in combination with aspirin after coronary stenting : the clopidogrel aspirin stent international cooperative study (CLASSICS). Circulation. 2000 Aug 8;102(6):624-9. doi: 10.1161/01.cir.102.6.624.

  PMID: 10931801 BACKGROUND

• Thebault JJ, Kieffer G, Cariou R. Single-dose pharmacodynamics of clopidogrel. Semin Thromb Hemost. 1999;25 Suppl 2:3-8.

  PMID: 10440415 BACKGROUND

• Gawaz M, Seyfarth M, Muller I, Rudiger S, Pogatsa-Murray G, Wolf B, Schomig A. Comparison of effects of clopidogrel versus ticlopidine on platelet function in patients undergoing coronary stent placement. Am J Cardiol. 2001 Feb 1;87(3):332-6, A9. doi: 10.1016/s0002-9149(00)01369-2.

  PMID: 11165971 BACKGROUND

• Steinhubl SR, Berger PB, Mann JT 3rd, Fry ET, DeLago A, Wilmer C, Topol EJ; CREDO Investigators. Clopidogrel for the Reduction of Events During Observation. Early and sustained dual oral antiplatelet therapy following percutaneous coronary intervention: a randomized controlled trial. JAMA. 2002 Nov 20;288(19):2411-20. doi: 10.1001/jama.288.19.2411.

  PMID: 12435254 BACKGROUND

• Chan AW, Moliterno DJ, Berger PB, Stone GW, DiBattiste PM, Yakubov SL, Sapp SK, Wolski K, Bhatt DL, Topol EJ; TARGET Investigators. Triple antiplatelet therapy during percutaneous coronary intervention is associated with improved outcomes including one-year survival: results from the Do Tirofiban and ReoProGive Similar Efficacy Outcome Trial (TARGET). J Am Coll Cardiol. 2003 Oct 1;42(7):1188-95. doi: 10.1016/s0735-1097(03)00944-6.

  PMID: 14522478 BACKGROUND

• Assali AR, Salloum J, Sdringola S, Moustapha A, Ghani M, Hale S, Schroth G, Fujise K, Anderson HV, Smalling RW, Rosales OR. Effects of clopidogrel pretreatment before percutaneous coronary intervention in patients treated with glycoprotein IIb/IIIa inhibitors (abciximab or tirofiban). Am J Cardiol. 2001 Oct 15;88(8):884-6, A6. doi: 10.1016/s0002-9149(01)01897-5. No abstract available.

  PMID: 11676953 BACKGROUND

• Smith SC Jr, Feldman TE, Hirshfeld JW Jr, Jacobs AK, Kern MJ, King SB 3rd, Morrison DA, O'Neil WW, Schaff HV, Whitlow PL, Williams DO, Antman EM, Adams CD, Anderson JL, Faxon DP, Fuster V, Halperin JL, Hiratzka LF, Hunt SA, Nishimura R, Ornato JP, Page RL, Riegel B; American College of Cardiology/American Heart Association Task Force on Practice Guidelines; ACC/AHA/SCAI Writing Committee to Update 2001 Guidelines for Percutaneous Coronary Intervention. ACC/AHA/SCAI 2005 guideline update for percutaneous coronary intervention: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (ACC/AHA/SCAI Writing Committee to Update 2001 Guidelines for Percutaneous Coronary Intervention). Circulation. 2006 Feb 21;113(7):e166-286. doi: 10.1161/CIRCULATIONAHA.106.173220. No abstract available.

  PMID: 16490830 BACKGROUND

• Montalescot G, Sideris G, Meuleman C, Bal-dit-Sollier C, Lellouche N, Steg PG, Slama M, Milleron O, Collet JP, Henry P, Beygui F, Drouet L; ALBION Trial Investigators. A randomized comparison of high clopidogrel loading doses in patients with non-ST-segment elevation acute coronary syndromes: the ALBION (Assessment of the Best Loading Dose of Clopidogrel to Blunt Platelet Activation, Inflammation and Ongoing Necrosis) trial. J Am Coll Cardiol. 2006 Sep 5;48(5):931-8. doi: 10.1016/j.jacc.2006.04.090. Epub 2006 Aug 17.

  PMID: 16949482 BACKGROUND

• Price MJ, Coleman JL, Steinhubl SR, Wong GB, Cannon CP, Teirstein PS. Onset and offset of platelet inhibition after high-dose clopidogrel loading and standard daily therapy measured by a point-of-care assay in healthy volunteers. Am J Cardiol. 2006 Sep 1;98(5):681-4. doi: 10.1016/j.amjcard.2006.03.054. Epub 2006 Jul 7.

  PMID: 16923461 BACKGROUND

• von Beckerath N, Taubert D, Pogatsa-Murray G, Schomig E, Kastrati A, Schomig A. Absorption, metabolization, and antiplatelet effects of 300-, 600-, and 900-mg loading doses of clopidogrel: results of the ISAR-CHOICE (Intracoronary Stenting and Antithrombotic Regimen: Choose Between 3 High Oral Doses for Immediate Clopidogrel Effect) Trial. Circulation. 2005 Nov 8;112(19):2946-50. doi: 10.1161/CIRCULATIONAHA.105.559088. Epub 2005 Oct 31.

  PMID: 16260639 BACKGROUND

• Kastrati A, Mehilli J, Schuhlen H, Dirschinger J, Dotzer F, ten Berg JM, Neumann FJ, Bollwein H, Volmer C, Gawaz M, Berger PB, Schomig A; Intracoronary Stenting and Antithrombotic Regimen-Rapid Early Action for Coronary Treatment Study Investigators. A clinical trial of abciximab in elective percutaneous coronary intervention after pretreatment with clopidogrel. N Engl J Med. 2004 Jan 15;350(3):232-8. doi: 10.1056/NEJMoa031859.

  PMID: 14724302 BACKGROUND

• Mehilli J, Kastrati A, Schuhlen H, Dibra A, Dotzer F, von Beckerath N, Bollwein H, Pache J, Dirschinger J, Berger PP, Schomig A; Intracoronary Stenting and Antithrombotic Regimen: Is Abciximab a Superior Way to Eliminate Elevated Thrombotic Risk in Diabetics (ISAR-SWEET) Study Investigators. Randomized clinical trial of abciximab in diabetic patients undergoing elective percutaneous coronary interventions after treatment with a high loading dose of clopidogrel. Circulation. 2004 Dec 14;110(24):3627-35. doi: 10.1161/01.CIR.0000148956.93631.4D. Epub 2004 Nov 7.

  PMID: 15531766 BACKGROUND

• Hausleiter J, Kastrati A, Mehilli J, Schuhlen H, Pache J, Dotzer F, Glatthor C, Siebert S, Dirschinger J, Schomig A; ISAR-SMART-2 Investigators. A randomized trial comparing phosphorylcholine-coated stenting with balloon angioplasty as well as abciximab with placebo for restenosis reduction in small coronary arteries. J Intern Med. 2004 Nov;256(5):388-97. doi: 10.1111/j.1365-2796.2004.01398.x.

  PMID: 15485474 BACKGROUND

• Kastrati A, Mehilli J, Neumann FJ, Dotzer F, ten Berg J, Bollwein H, Graf I, Ibrahim M, Pache J, Seyfarth M, Schuhlen H, Dirschinger J, Berger PB, Schomig A; Intracoronary Stenting and Antithrombotic: Regimen Rapid Early Action for Coronary Treatment 2 (ISAR-REACT 2) Trial Investigators. Abciximab in patients with acute coronary syndromes undergoing percutaneous coronary intervention after clopidogrel pretreatment: the ISAR-REACT 2 randomized trial. JAMA. 2006 Apr 5;295(13):1531-8. doi: 10.1001/jama.295.13.joc60034. Epub 2006 Mar 13.

  PMID: 16533938 BACKGROUND

• Kastrati A, Neumann FJ, Mehilli J, Byrne RA, Iijima R, Buttner HJ, Khattab AA, Schulz S, Blankenship JC, Pache J, Minners J, Seyfarth M, Graf I, Skelding KA, Dirschinger J, Richardt G, Berger PB, Schomig A; ISAR-REACT 3 Trial Investigators. Bivalirudin versus unfractionated heparin during percutaneous coronary intervention. N Engl J Med. 2008 Aug 14;359(7):688-96. doi: 10.1056/NEJMoa0802944.

  PMID: 18703471 BACKGROUND

• Schulz S, Mehilli J, Neumann FJ, Schuster T, Massberg S, Valina C, Seyfarth M, Pache J, Laugwitz KL, Buttner HJ, Ndrepepa G, Schomig A, Kastrati A; Intracoronary Stenting and Antithrombotic Regimen: Rapid Early Action for Coronary Treatment (ISAR-REACT) 3A Trial Investigators. ISAR-REACT 3A: a study of reduced dose of unfractionated heparin in biomarker negative patients undergoing percutaneous coronary intervention. Eur Heart J. 2010 Oct;31(20):2482-91. doi: 10.1093/eurheartj/ehq330. Epub 2010 Aug 30.

  PMID: 20805113 DERIVED

MeSH Terms

Conditions

Coronary Artery Disease

Interventions

Heparin

Condition Hierarchy (Ancestors)

Coronary Disease; Myocardial Ischemia; Heart Diseases; Cardiovascular Diseases; Arteriosclerosis; Arterial Occlusive Diseases; Vascular Diseases

Intervention Hierarchy (Ancestors)

Glycosaminoglycans; Polysaccharides; Carbohydrates

Study Officials

• Adnan Kastrati, MD

  Deutsches Herzzentrum München

  STUDY CHAIR

• Julinda Mehilli, MD

  Deutsches Herzzentrum München

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: interventional
• Phase: phase 4
• Allocation: NA
• Masking: NONE
• Purpose: TREATMENT
• Intervention Model: SINGLE GROUP
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: August 12, 2008
• First Posted: August 14, 2008
• Study Start: August 1, 2008
• Primary Completion: March 1, 2010
• Study Completion: March 1, 2011
• Last Updated: January 5, 2012

Record last verified: 2012-01

Locations

DE (3)