Analyzing Gene Regions That May Interact With the Effectiveness of High Blood Pressure Drugs


Phase N/A Results N/A

Eligibility Criteria

Inclusion Criteria

- Experience of a first heart attack, stroke, or sudden death
- Member of the Group Health Center (GHC) treated for high blood pressure
- Enrolled at least 1 year in one of the three study populations
- Treated for high blood pressure with one of the four major classes of high blood pressure drugs (diuretics, beta-blockers, ACE inhibitors, or calcium antagonists)