NCT00718471

Brief Summary

Randomized evaluation of enoxaparin (0.5mg/kg IV) versus UFH (50-70IU/kg with GPIIb/IIIa inhibitors; 70-100IU without GPIIb/IIIa inhibitors). Anticoagulation can be continued after the procedure using the same agents as those allocated per randomization (enoxaparin SC, UHF IV or SC)

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
910

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Aug 2008

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 16, 2008

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 18, 2008

Completed
14 days until next milestone

Study Start

First participant enrolled

August 1, 2008

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2010

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2010

Completed
Last Updated

December 18, 2012

Status Verified

December 1, 2012

Enrollment Period

1.6 years

First QC Date

July 16, 2008

Last Update Submit

December 17, 2012

Conditions

Keywords

STEMIPrimary PCIAnticoagulation

Outcome Measures

Primary Outcomes (1)

  • All-cause mortality or Complications of MI or Procedure failure or Non-CABG major bleeding during hospitalization

    administration

Secondary Outcomes (4)

  • major bleeding during hospitalization

    during hospitalization and at 6 months

  • the ischemic end-point of death, reinfarction, refractory ischemia and/or urgent revascularization

    day30 and 6 months

  • efficacy objectives are each individual ischemic endpoint of the primary objective as well as the composite ischemic end-point of death, complications of MI or procedure failure.

    day 30 and 6 months

  • the composite of major and minor bleeding during hospitalization

    during hospitalization and months 6

Study Arms (2)

1

EXPERIMENTAL

Enoxaparin

Drug: Enoxaparin

2

ACTIVE COMPARATOR

UFH

Drug: UFH (unfractionated heparin)

Interventions

ENOXAPARIN IV 0.5 mg.kg

1

UFH IV 50-70 IU if GP IIbIIIa or 70-100IU if no GP IIbIIIa

2

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Be at least 18 years of age.
  • Has experienced continuous ischemic (cardiac) symptoms for at least 20 minutes.
  • Has onset of symptoms of qualifying acute MI within the past 24 hours, and planned for primary PCI. Patients presenting between 12 and 24 hours of symptom onset should still have an indication for primary PCI, i.e. persistent ischemic symptom and/or persistent or recurrent ST elevation
  • Has an ECG indicative of an acute STEMI showing:
  • ≥ 2 mm ST elevation in 2 or more contiguous precordial ECG leads (anterior infarction); or
  • ≥ 1 mm ST elevation in 2 or more contiguous limb ECG leads (other infarction); or
  • New or presumably new left bundle branch block (LBBB)
  • Shock patients are eligible (but not patients with prolonged cardiac arrest)
  • Be willing to provide informed consent (informed consent may be provided by a legally authorized representative if the patient is not able to provide it).
  • Agree to comply with all protocol-specified procedures, including protocol-mandated follow-up

You may not qualify if:

  • Use of UFH or LMWH or any other anticoagulant agent (Vit K antagonists, fondaparinux, bivalirudin) within 48 hours prior to randomization
  • Thrombolytic therapy within the previous 48 hours
  • Known or suspected pregnancy in women of childbearing potential
  • History of hypersensitivity or contraindication to heparin or LMWH
  • Contraindication to primary PCI or any excessive bleeding risk (e.g. recent surgery) or suspected active internal bleeding
  • Coexistent condition associated with a limited life expectancy at short term (e.g. advanced cancer)
  • Prolonged (\> 10 minutes) cardiopulmonary resuscitation (CPR)
  • Treatment with other investigational agents or devices within the previous 30 days, planned use of investigational drugs or devices, or previous enrolment in this trial

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

La Pitié-Salpétrière Hospital - Cardiology department

Paris, 75013, France

Location

Related Publications (2)

  • Montalescot G, Zeymer U, Silvain J, Boulanger B, Cohen M, Goldstein P, Ecollan P, Combes X, Huber K, Pollack C Jr, Benezet JF, Stibbe O, Filippi E, Teiger E, Cayla G, Elhadad S, Adnet F, Chouihed T, Gallula S, Greffet A, Aout M, Collet JP, Vicaut E; ATOLL Investigators. Intravenous enoxaparin or unfractionated heparin in primary percutaneous coronary intervention for ST-elevation myocardial infarction: the international randomised open-label ATOLL trial. Lancet. 2011 Aug 20;378(9792):693-703. doi: 10.1016/S0140-6736(11)60876-3.

  • Silvain J, O'Connor SA, Yan Y, Kerneis M, Hauguel-Moreau M, Zeitouni M, Overtchouk P, Ankri A, Brugier D, Vicaut E, Ecollan P, Galier S, Collet JP, Montalescot G; ATOLL Investigators. Biomarkers of Thrombosis in ST-Segment Elevation Myocardial Infarction: A Substudy of the ATOLL Trial Comparing Enoxaparin Versus Unfractionated Heparin. Am J Cardiovasc Drugs. 2018 Dec;18(6):503-511. doi: 10.1007/s40256-018-0294-z.

MeSH Terms

Conditions

ST Elevation Myocardial Infarction

Interventions

EnoxaparinHeparin

Condition Hierarchy (Ancestors)

Myocardial InfarctionMyocardial IschemiaHeart DiseasesCardiovascular DiseasesVascular DiseasesInfarctionIschemiaPathologic ProcessesPathological Conditions, Signs and SymptomsNecrosis

Intervention Hierarchy (Ancestors)

Heparin, Low-Molecular-WeightGlycosaminoglycansPolysaccharidesCarbohydrates

Study Officials

  • Gilles MONTALESCOT, MD, PhD

    Assistance Publique - Hôpitaux de Paris

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 16, 2008

First Posted

July 18, 2008

Study Start

August 1, 2008

Primary Completion

March 1, 2010

Study Completion

August 1, 2010

Last Updated

December 18, 2012

Record last verified: 2012-12

Locations