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Aspirin Effectiveness Study

Aspirin Effectiveness in Coronary Artery Disease Patients in Ireland

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT01113060
Enrollment
500
Registered
2010-04-29
Start date
2010-04-30
Completion date
2017-04-30
Last updated
2016-12-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Coronary Artery Disease

Keywords

Coronary Artery Disease, Aspirin, Secondary Prevention

Brief summary

Aspirin is an effective medicine for prevention of heart attacks in patients with coronary artery disease and works by preventing clots from forming. In previous studies aspirin has been found to be ineffective in between 2% and 65% of patients but none of these studies have looked specifically at coronary artery disease patients in Ireland. This study is being done to identify the percentage of patients in Ireland whose aspirin is not working effectively and help identify factors that could be used to target interventions to increase aspirin's effectiveness in Irish patients.

Interventions

None listed

Sponsors

Royal College of Surgeons, Ireland
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Age 18 years or older * Patients with documented coronary artery disease * Current treatment with any dose of aspirin daily for a minimum of 3 months * Able to provide written informed consent based on competent mental status

Exclusion criteria

* Myocardial infarction, unstable angina or stroke during the preceding three months * Platelet count \<125,000/mm * Known haematological disorders * Active malignancy on current chemotherapy or a recent diagnosis of cancer

Design outcomes

Primary

MeasureTime frameDescription
Percentage of patients with non-response to aspirinFollowing a minimum of 3 months of daily aspirin usePrevalence of non-response to aspirin in coronary artery disease patients in Ireland by measurement of serum thromboxane B2

Countries

Ireland

Contacts

Primary ContactMary C De Voe, RN
m.devoe@ucc.ie+353-21 4901442

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026