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Aspirin Resistance and Prognosis of Patients With Critical Limb Ischaemia (Aspirine)

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified April 2010 by University Hospital, Limoges.
Recruitment status was:  Recruiting
Information provided by (Responsible Party):
University Hospital, Limoges Identifier:
First received: April 13, 2010
Last updated: December 4, 2012
Last verified: April 2010

Acetylsalicylic acid (Aspirin, ASA) is the most widely prescribed drug used in primary and secondary prevention of cardiovascular disease. However, aspirin resistance has been described, mostly in cardiac patients and is an independent predictive factor for a poor survival. Two frequent conditions in patients with cardiovascular diseases, diabetes and hypercholesterolemia, are also considered as risk factors for aspirin resistance. Among patients with peripheral arterial disease, those with critical limb ischemia have the worst cardiovascular prognosis. At one year, 23% are dead, 25% have a major cardiovascular event and 25% have a major amputation (which can be combined). Aspirin resistance is poorly studied in these patients, and to our knowledge no study has been made to assess the prognosis value of aspirin resistance on cardiovascular outcomes in critical limb ischaemia patients.

Hospitalized critical limb ischaemia patients will be tested for aspirin resistance using the bed-side point of care VerifyNow®, and will be followed during one year, including death, fatal and non-fatal acute coronary syndromes, cardiac decompensation, stroke, and major amputation.

Condition Phase
Aspirin Resistance
Phase 4

Study Type: Observational
Study Design: Observational Model: Case-Only
Time Perspective: Prospective
Official Title: Cardiovascular Events at One Year of Patients Hospitalized for Critical Limb Ischaemia and Aspirin Resistant Using the VerifyNow®. Aspirin Resistance and Prognosis of Patients With Critical Limb Ischaemia

Resource links provided by NLM:

Further study details as provided by University Hospital, Limoges:

Primary Outcome Measures:
  • major adverse cardiac events (MACE) including death, acute coronary syndromes, cardiac decompensation, stroke, major amputations. [ Time Frame: 2 years ]

Secondary Outcome Measures:
  • major amputations, death [ Time Frame: 2 years ]

Estimated Enrollment: 153
Study Start Date: April 2010
Estimated Study Completion Date: April 2014
Estimated Primary Completion Date: April 2013 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
patients hospitalized for critical limb ischaemia and aspirin resistant using the VerifyNow®.

Inclusion Criteria:

  • any adult patient hospitalized for critical limb ischaemia and already treated by aspirin for at least 4 days before the VerifyNow® test. Critical limb ischemia is defined by the TASC II criteria : chronic ischemic rest pain, ulcers or gangrene attributable to objectively proven arterial occlusive disease, confirmed by an ankle pressure subordinate or equal 50 mmHg and a toe pressure subordinate or equal 30 mmHg, or a transcutaneous oxygen tension subordinate or equal 30 mmHg

Exclusion Criteria:

  • non observance to aspirin treatment, other drugs that could interact with platelets (NSAIDs, other anti-platelet agents), other peripheral vascular disease status than critical limb ischemia, acute limb ischemia, platelet number lower than 100 000/mm3, hematocrit lower than 29%, known primary hemostasis disorder.
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Please refer to this study by its identifier: NCT01104441

Contact: Alexandre Le Guyader, Doctor (+33)(0)5 55 05 63 71

UH Bordeaux Recruiting
Bordeaux, France, 33 075
Contact: Joël Constans, Professor    (+33)(0)5 56 79 58 16   
UH Toulouse Recruiting
Toulouse, France, 31 059
Contact: Alessandra Bura-Riviere, Professor    (+33)(0)5 61 32 24 38   
Sponsors and Collaborators
University Hospital, Limoges
  More Information

Responsible Party: University Hospital, Limoges Identifier: NCT01104441     History of Changes
Other Study ID Numbers: I08022
Study First Received: April 13, 2010
Last Updated: December 4, 2012

Keywords provided by University Hospital, Limoges:
critical limb ischaemia
Aspirin resistance

Additional relevant MeSH terms:
Pathologic Processes
Anti-Inflammatory Agents, Non-Steroidal
Analgesics, Non-Narcotic
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Anti-Inflammatory Agents
Antirheumatic Agents
Fibrinolytic Agents
Fibrin Modulating Agents
Molecular Mechanisms of Pharmacological Action
Platelet Aggregation Inhibitors
Cyclooxygenase Inhibitors
Enzyme Inhibitors
Antipyretics processed this record on April 24, 2017