Terazosin: an effective once-daily monotherapy for the treatment of hypertension.
The safety and efficacy of once-daily terazosin as monotherapy were evaluated in five randomized, double-blind, placebo-controlled studies in which 351 patients with mild to moderate hypertension participated. The five studies included two dose-titration studies and three fixed-dose studies. In the dose-titration studies, terazosin doses were titrated at weekly intervals until supine diastolic blood pressure was below 90 mm Hg. In the fixed-dose studies, titration continued until a predetermined dosage level of terazosin or corresponding placebo was reached. The dose of terazosin ranged from 1 to 40 mg once daily, and responses were assessed after a four-week course of therapy at a constant dosage level. Terazosin administration resulted in significantly greater mean decreases in supine diastolic blood pressure in comparison with placebo in four of the five studies. Similar decreases were observed for supine systolic and standing blood pressures in selected studies. In all five studies, terazosin caused a significant decrease in supine and standing blood pressures from baseline to the final visit. Adverse experiences occurring with a significantly greater prevalence rate in terazosin-treated versus placebo-treated patients and 7 percent of placebo-treated patients), asthenia (17 percent of the terazosin group and 4 percent of the placebo group), and peripheral edema (10 percent of the terazosin group and 3 percent of the placebo group). On the basis of these studies, it appears that terazosin, when administered once daily as monotherapy, is both safe and effective for the treatment of mild to moderate hypertension.[1]References
- Terazosin: an effective once-daily monotherapy for the treatment of hypertension. Dauer, A.D. Am. J. Med. (1986) [Pubmed]
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