A total of 125 outpatients with moderate to severe pain after surgical removal of one impacted third molar were randomly assigned to receive dexketoprofen trometamol 12.5 or 25 mg or dipyrone 575 mg. For first-dose assessments, patients rated their pain intensity and its relief at regular intervals. From 60 min post dose to the end of the 6-h observation period, both doses of dexketoprofen trometamol had higher pain relief scores than dipyrone: Between 3 and 6 h the differences were statistically significant. In addition, peak measures (PID and PAR ) were statistically superior after both doses of dexketoprofen trometamol compared to dipyrone. The overall efficacy assessed at the end of the first-dose phase was rated as good or excellent by 90%, 83.3%, and 70% of patients receiving dexketoprofen trometamol 25 mg, dexketoprofen trometamol 12.5 mg, and dipyrone, respectively. The number of patients who required remedication during the 6-h period was significantly lower in both dexketoprofen groups. Repeated-dose data were also obtained. No significant differences were found in the efficacy after repeated doses, the number of doses taken, or the mean time elapsed between doses. The overall efficacy at the end of the repeated-dose phase was rated as good or excellent by 84.2%, 66.7%, and 70% of patients receiving dexketoprofen trometamol 25 mg, dexketoprofen trometamol 12.5 mg, and dipyrone, respectively. The frequency of adverse events was similar for all treatments and no serious adverse events were reported during the study.
Hypertension is an important cardiovascular risk factor and the goal of its pharmacologic treatment is to reduce morbidity and mortality. Treatment is usually initiated with a low dose of a single agent and titrated to a higher dose as required. As many as 50% of patients require the addition of a second agent to achieve satisfactory blood pressure control. The aim of this study was to assess the dose-response relationship of nitrendipine and enalapril alone or in fixed combination in the treatment of mild to moderate hypertension. A total of 496 patients were enrolled in a multicenter, randomized, double-blind, factorial-design, parallel-group clinical trial comparing placebo, nitrendipine (5, 10, and 20 mg) and enalapril (5, 10, and 20 mg) alone or in combination. After a single-blind, 2-week placebo run-in period, 414 patients whose diastolic blood pressure ranged between 90-109 mm Hg were randomly assigned to a treatment group. The combination of nitrendipine and enalapril, particularly regimens including nitrendipine 20 mg and enalapril 5 or 10 mg, were significantly superior to both monotherapies; mean diastolic blood pressure reductions from baseline to last visit were -12.5 and -14.3 mm Hg, respectively. Response surface analysis provided further evidence that these combinations were optimal in terms of anti-hypertensive efficacy. All treatments were well tolerated and the incidence of adverse events did not differ significantly between groups. In summary, the anti-hypertensive efficacy of the combination was found to be superior to both monotherapies at any doses. The dose combination achieving the greatest blood pressure reduction was nitrendipine 20 mg and enalapril 10 mg.
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