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Revista Colombiana de Cardiología
Print version ISSN 0120-5633
Abstract
LEAL, Ulises and RINCON, David. Comparison of two products containing bisoprolol - hydrochlorothiazide therapeutic equivalence in patients with arterial hypertension. Rev. Colomb. Cardiol. [online]. 2020, vol.27, n.4, pp.262-269. Epub June 21, 2021. ISSN 0120-5633. https://doi.org/10.1016/j.rccar.2019.08.002.
Objective:
To evaluate the therapeutic equivalence of two commercial brands of bisoprolol -hydrochlorothiazide as antihypertensive therapy.
Method:
A prospective, double blind, double placebo, randomised, parallel group study was conducted, in which the antihypertensive effect of the bisoprolol -hydrochlorothiazide 2.5 - 6.25 mg and 5 - 6.25 mg (tablets BHL, test formula) and bisoprolol -hydrochlorothiazide 2.5 - 6.25 mg and 5 - 6.25 mg tablets (BHM, reference formula), was compared by administering it to patients with arterial hypertension given to patients with arterial hypertension.
Effectivity variables:
blood pressures measured using a mercury sphygmomanometer at the beginning and after the placebo period, at 4 weeks and 8 weeks from the start of the treatment; blood pressure hours change during 24 hours using an ambulatory blood pressure monitoring device.
Results:
Control of the blood pressure values was achieved with both formulas, mainly from the fourth week of treatment. The patients of the test group were admitted with higher systolic blood pressures. After the treatment, there were no differences between the groups at any of the times. The V/P ratio of the test group was 0.5 - 1. The smoothness index in both groups was greater than 1.75 of fit of both was greater than 1.75.
Conclusions:
The test formula of the bisoprolol-hydrochlorothiazide demonstrated an antihypertensive action similar to that achieved with the reference formula.
Keywords : Therapeutic equivalence; Bisoprolol; Hydrochlorothiazide; Arterial Hypertension.