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Tracking Information | |||||
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First Received Date † | December 20, 2005 | ||||
Last Updated Date | February 6, 2006 | ||||
Start Date † | November 1999 | ||||
Current Primary Outcome Measures † | |||||
Original Primary Outcome Measures † | |||||
Change History | Complete list of historical versions of study NCT00269243 on ClinicalTrials.gov Archive Site | ||||
Current Secondary Outcome Measures † | |||||
Original Secondary Outcome Measures † | |||||
Descriptive Information | |||||
Brief Title † | Management With Accupril Post Bypass Graft | ||||
Official Title † | The Ischemia Management With Accupril Post Bypass Graft Via Inhibition of the coNverting Enzyme (IMAGINE) Trial | ||||
Brief Summary | Angiotensin converting enzyme (ACE) inhibitors have been shown to improve survival and to reduce the risk of cardiovascular events in some groups of patients following myocardial infarction. This study is designed to test whether early initiation (≤7 days) of an ACE inhibitor post-coronary artery bypass graft (CABG), would reduce cardiovascular events. The trial was a double-blind, placebo controlled study of 2,553 patients randomly assigned to quinapril, target dose 40 mg daily or placebo, followed up to 43 months. |
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Detailed Description | The IMAGINE study is a double-blind, placebo controlled, parallel group, randomized, multi-centre international study conducted in patients who have undergone CABG. The research protocol was approved by the ethics committee of all participating institutions, and all patients gave written informed consent. The data were collected and analysed by an independent clinical research organization. Patients were screened for eligibility and randomized in hospital within seven days post-CABG, except for France where randomization could occur within ten days post-CABG. Starting November 6, 2001, given the increasing evidence of benefit of ACE inhibitors in patients with diabetes and renal disease,14 all patients requiring insulin or with type II diabetes and micro-albuminuria were no longer eligible for the study. Those already in the trial were treated according to the clinical judgement of the treating physician. Of patients screened in 57 sites in Canada, the Netherlands, Belgium or France, 2 553 patients (approximately 5 percent of patients screened) were randomized post-operatively to quinapril either 10 or 20 mg, or to placebo. Randomization was done centrally, was un-stratified, block-based, and computer generated. If tolerated, patients were up-titrated to 40 mg of quinapril or its placebo equivalent within hospital, or if not tolerated, later post-hospital discharge. Patients were followed for twenty-four months at which time they were invited to continue until 43 months of follow-up, or withdrawn if they did not wish to extend their participation in the trial. The original primary endpoint consisted of time to first occurrence of any of the composite of cardiovascular death or resuscitated cardiac arrest, nonfatal myocardial infarction, coronary revascularization, unstable angina requiring hospitalization and documented angina not requiring hospitalization. On January 14, 2003, the Steering Committee concluded that the required number of endpoints would likely not be reached without modification of the primary endpoint. Stroke and congestive heart failure requiring hospitalization were thus added to the primary endpoint and sample-size was increased to 2 500 patients. The secondary endpoints included, 1) time to first occurrence of the following composite of cardiovascular death or resuscitated cardiac arrest, nonfatal myocardial infarction, coronary revascularization or stroke; 2) incidence of any of the above mentioned secondary endpoints; 3) time to first occurrence of the composite primary endpoint with the addition of the following: transient ischemic attack, and any cardiovascular event requiring hospitalization; 4) incidence of any secondary endpoints included in #3; and 5) time to occurrence of death from any cause. All endpoints were adjudicated in a blinded fashion by an endpoint committee, based on pre-defined definitions for each endpoint. |
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Study Phase | Phase IV | ||||
Study Type † | Interventional | ||||
Study Design † | Randomized, Double-Blind, Placebo Control, Parallel Assignment | ||||
Condition † | CABG | ||||
Intervention † | Drug: Quinapril | ||||
Study Arms / Comparison Groups | |||||
Publications * | |||||
* Includes publications given by the data provider as well as publications identified by National Clinical Trials Identifier (NCT ID) in Medline. |
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Recruitment Information | |||||
Recruitment Status † | Completed | ||||
Enrollment † | |||||
Completion Date | May 2005 | ||||
Primary Completion Date | |||||
Eligibility Criteria † | Inclusion Criteria:
Exclusion Criteria:
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Gender | Both | ||||
Ages | 18 Years and older | ||||
Accepts Healthy Volunteers | |||||
Contacts †† | |||||
Location Countries † | |||||
Expanded Access Status | |||||
Administrative Information | |||||
NCT ID † | NCT00269243 | ||||
Responsible Party | |||||
Secondary IDs †† | |||||
Study Sponsor † | Montreal Heart Institute | ||||
Collaborators †† | Pfizer | ||||
Investigators † |
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Information Provided By | Montreal Heart Institute | ||||
Verification Date | December 2005 | ||||
† Required WHO trial registration data element. †† WHO trial registration data element that is required only if it exists. |