Overview

Pharmacogenomics of Antiplatelet Response - II (PARes-II)

Status:
Completed
Trial end date:
2014-08-01
Target enrollment:
0
Participant gender:
All
Summary
This clinical trial is examining the effect of 4-week aspirin therapy on platelet transcriptome in persons at high-risk for myocardial infarction or stroke due to family history of early-onset coronary artery disease.
Phase:
Phase 4
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Johns Hopkins University
Treatments:
Aspirin
Criteria
Inclusion Criteria:

- Participants from the GeneSTAR cohort

- Unaffected with no overt coronary artery disease or serious vascular event (stroke or
peripheral vascular disease diagnosis

- Women who are postmenopausal.

- Women who use a reliable contraceptive method; a reliable contraceptive method will be
defined as personal history of tubal ligation, ongoing use of intra-uterine device, or
ongoing use of oral contraceptive pills.

Exclusion Criteria:

- Presence of any CAD or stroke, transient ischemic attacks, peripheral arterial disease

- Persons taking aspirin, NSAIDS, or any anti-coagulants who are medically unable to
stop them for a two week pre-trial

- A history of allergy to aspirin or clopidogrel

- Weight < 60kg

- Age < 45 and > 75 years of age

- A history of recent or any active bleeding

- Serious or current co-morbidity (AIDS, cancer)

- Pregnant women as determined by urine dipstick pregnancy test

- Any aneurysms on cranial magnetic resonance imaging/magnetic resonance angiography
(obtained recently in the GeneSTAR participants)

- Blood pressure above >=159/95mmHg

- History of a gastric or duodenal ulcer, or significant gastrointestinal disease, like
regional enteritis

- Mental incompetence to make a decision to participate (developmentally disabled, and
persons with diagnosed psychiatric disorders-documented in primary care records).