A Double Blind Control Study of Antihypertensive Agents: I. Comparative Effectiveness of Reserpine, Reserpine and Hydralazine, and Three Ganglionic Blocking Agents, Chlorisondamine, Mecamyamine, and Pentolinium Tartrate
Contributor(s):
Veterans Administration Cooperative Study Group on Antihypertensive Agents
Archives of Internal Medicine
In 1956, Freis and a group of physicians in several Veterans Administration hospitals organized a cooperative study group to evaluate antihypertensive agents under well-controlled conditions. In this first of three articles, they reported that various therapeutic regimens were compared in a double-blind control study on 326 hypertensive patients, 232 of whom completed a full year of treatment. The group found that a combination of reserpine (a ganglionic-blocking agent) and hydralazine (a vasodilator) was far more effective than placebos or reserpine alone.
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