Efficacy and safety of ramipril (HOE 498) in the treatment of hypertension: dose finding study.
An open-label, prospective multicenter trial of ramipril was performed. The agent was administered once daily at an initial dosage of 1.25 mg and this was increased, when necessary, up to 10 mg with intervals of 2 weeks for 8 weeks. Effectiveness in 46 patients with mild to moderate essential hypertension was 28.1% at a dosage of 1.25 mg, 52.2% at 2.5 mg, 69.6% at 5 mg and 78.3% at 10 mg of ramipril alone. In 27 patients receiving baseline therapy with a thiazide diuretic, a subsequent administration of ramipril showed effectiveness in 11.1% for 1.25 mg, 48.1% for 2.5 mg and 70.4% for 5 mg. Adverse effects occurred in 11.7% of patients overall and were not serious. One patient was withdrawn because of severe headache; the other patients tolerated the treatment well. A dosage of 2.5 to 10 mg of ramipril will probably be appropriate for further evaluation of the effectiveness of this agent in a double-blind study.
D000328:Adult; D000368:Aged; D000806:Angiotensin-Converting Enzyme Inhibitors; D000959:Antihypertensive Agents / Q000008:administration & dosage*; D001794:Blood Pressure / Q000187:drug effects; D001643:Bridged Bicyclo Compounds / Q000008:administration & dosage*; D001952:Bridged-Ring Compounds / Q000008:administration & dosage*; D004334:Drug Administration Schedule; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D017257:Ramipril
D000806:Angiotensin-Converting Enzyme Inhibitors; D000959:Antihypertensive Agents; D001643:Bridged Bicyclo Compounds; D001952:Bridged-Ring Compounds; D017257:Ramipril