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  • Title: [A clinical study of the verapamil and captopril combination in hypertensive patients uncontrolled by monotherapy. An evaluation by recording the 24-hour ambulatory blood pressure].
    Author: Mora-Macià J, Ocón Pujadas J, Fernández Vidal P, Garrido García J, Velasco Quintana J, del Río Pérez G.
    Journal: Med Clin (Barc); 1993 Apr 10; 100(14):526-30. PubMed ID: 8469038.
    Abstract:
    BACKGROUND: By measuring ambulatory blood pressure monitoring (ABPM), the pharmacologic association of verapamil plus captopril in essential hypertensive patients not responding to isolated monotherapy of these drugs was studied since a synergism has been described between these two drugs. METHODS: A lineal clinical trial with a previous period of selection (PeSe) in which verapamil and captopril were administered in two consecutive phases was carried out in 57 essential hypertensive patients of 52 +/- 19 years of age with those controlling their blood pressure (BP) being excluded. Following a lavage phase the remaining subjects were included in the experimental period (ExPe) in wash out the association of verapamil 120 mg+captopril 25 mg was administered and if the BP was not controlled this was increased to 240 mg + 50 mg, respectively. ABPM was performed prior to and at the end of the ExPe. RESULTS: Of the 57 patients 21 were excluded in the SePe due to control or adverse effects. Of the 26 individuals who passed into the ExPe 20 presented mild-moderate HTA (M-HTA) and 6 severe HTA (S-HTA). In the M-HTA group, the reduction of BP (in mmHg) was 157 +/- 15/106 +/- 5 to 147 +/- 12/97 +/- 7 (p < 0.05/p < 0.001), five controlled BP, in the remaining subjects the reduction in the following phase was 150 +/- 11/100 +/- 6 at 136 +/- 11/93 +/- 6 (p < 0.01/p < 0.01). In the S-HTA group the BP descended in the ExPe from 184 +/- 15/121 +/- 6 to 167 +/- 24/107 +/- 10 (p < 0.05/p < 0.05). The 24 hour measurement of BP in the ExPe decreased from 140 +/- 13/96 +/- 8 to 124 +/- 10/86 +/- 7 (p < 0.001/p < 0.001). BP descended significantly in all the hours with the exception of the hours 24, 1, 6, 7, and 5. CONCLUSIONS: The association of verapamil-captopril demonstrates efficacy and synergism in hypertensive patients previously uncontrolled by monotherapy of these drugs.
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