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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00174759
Other study ID # C_9253
Secondary ID EudraCT #: 2004-
Status Completed
Phase Phase 3
First received September 9, 2005
Last updated January 10, 2011
Start date September 2004

Study information

Verified date January 2011
Source Sanofi
Contact n/a
Is FDA regulated No
Health authority Scotland: Scottish Executive Health Department
Study type Interventional

Clinical Trial Summary

Primary objective:

To evaluate whether clopidogrel 75 mg o.d. versus placebo (on a background of ASA 75-100 mg/d) will lead to an increased rate of primary patency, limb salvage and survival, in patients receiving a below knee bypass graft for the treatment of PAD.

Secondary objectives:

Comparison, between the two treatment groups, of :

- Primary patency,

- Assisted primary patency,

- Cardiovascular death / myocardial infarction / stroke / any amputation above the ankle.

- Ankle Brachial Pressure Index (ABPI) changes from baseline


Recruitment information / eligibility

Status Completed
Enrollment 1460
Est. completion date
Est. primary completion date
Accepts healthy volunteers No
Gender Both
Age group 40 Years to 80 Years
Eligibility Inclusion Criteria: A patient is eligible for inclusion in the study 2-4 days after surgery if all the following criteria are fulfilled:

- Informed consent obtained;

- Chronic background treatment with daily ASA, whatever the dose, started at least 4 weeks before surgery. A window of a few days without ASA before surgery is acceptable, according to local practice. Post-randomization use of ASA must be between 75 and 100 mg/day.

- Unilateral below knee bypass graft (i.e. the distal anastomosis is below the level of the knee joint) for atherosclerotic PAD within the previous 4 days;

- Demonstration of initial patency of the index graft by an objective measurement (e.g. intra-operative Doppler scanning, flow measurement, angiography, Duplex scanning) during bypass surgery, or between surgery and the time of randomization;

- No clinical evidence of graft occlusion at time of randomization.

Exclusion criteria :

PAD medical/surgical history

- Onset of PAD symptoms before the age of 40 years

- Non-atherosclerotic vascular disease (e.g. Buerger's disease, popliteal entrapment syndrome)

- Patient receiving aorto-bifemoral, iliac-femoral or crossover (femoral-femoral) grafts, or undergoing peripheral transcutaneous angioplasty (PTA), with or without stenting, during the same surgery.

Medical history related to bleeding risk

- Current active bleeding at surgical site

- Withdrawal of an epidural catheter less than 12 hours before randomization

- Current active bleeding or increased risk of bleeding, such as severe hepatic insufficiency, proliferative diabetic retinopathy, peptic ulceration, bleeding diathesis or coagulopathy

- Peptic ulceration within 12 months of randomization

- Previous or current intracranial hemorrhage or hemorrhagic stroke, or any previous stroke for which the diagnosis of hemorrhagic stroke cannot be excluded

- Any history of severe spontaneous bleeding such as gastrointestinal bleeding, gross hematuria, intraocular bleeding

Other medical conditions

- Previous disabling stroke (severe cerebral deficit such that the patient is bedridden or demented)

- NYHA Class IV heart failure

- Uncontrolled hypertension: Systolic Blood Pressure (SBP) > 180 mm Hg, or Diastolic Blood Pressure (DBP) > 100 mm Hg

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment


Intervention

Drug:
Clopidogrel


Locations

Country Name City State
Australia Sanofi-Aventis North Ryde
Austria Sanofi-Aventis Vienna
Belgium Sanofi-Aventis Brussels
Finland Sanofi-Aventis Helsinki
France Sanofi-Aventis Paris
Germany Sanofi-Aventis Berlin
Hungary Sanofi-Aventis Budapest
Italy Sanofi-Aventis Milan
Netherlands Sanofi-Aventis Gouda
Poland Sanofi-Aventis Warsaw
Spain Sanofi-Aventis Barcelona
Sweden Sanofi-Aventis Stockholm
Switzerland Sanofi-Aventis Meyrin
United Kingdom Sanofi-Aventis Guildford

Sponsors (2)

Lead Sponsor Collaborator
Sanofi Bristol-Myers Squibb

Countries where clinical trial is conducted

Australia,  Austria,  Belgium,  Finland,  France,  Germany,  Hungary,  Italy,  Netherlands,  Poland,  Spain,  Sweden,  Switzerland,  United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary 1st occurrence over the duration of follow-up of : index bypass graft occlusion based on imaging procedure, or graft replacement or endovascular intervention, or amputation above the ankle of the affected limb or death
Secondary 1st occurrence of any component of following cluster of events : index bypass graft occlusion,any revascularization procedure or amputation. Change in ABPI.
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