patients with resistant hypertension in a multicenter, randomized trial. Medical therapy
adherence was checked by pill counting. Patients with resistant hypertension (no office and
ambulatory blood pressure [BP] monitoring control, despite treatment with 3 drugs, including
a diuretic, for 12 weeks) were randomized to an additional 12-week treatment with
spironolactone (12.5–50 mg QD) or clonidine (0.1–0.3 mg BID). The primary end point was …