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Clinical Trial
. 1986:8 Suppl 4:S102-4.
doi: 10.1097/00005344-198608004-00022.

A comparison of celiprolol and chlorthalidone in hypertensive patients with reversible bronchial obstruction

P Dorow, A M Clauzel, P Capone, R Mayol, M Mathieu
Clinical Trial

A comparison of celiprolol and chlorthalidone in hypertensive patients with reversible bronchial obstruction

P Dorow et al. J Cardiovasc Pharmacol. 1986.

Abstract

The objective of this study was to evaluate the effects of celiprolol, a new beta-blocking drug, on the clinical condition and pulmonary function of hypertensive patients with reversible bronchial obstruction. Celiprolol was compared with chlorthalidone, an antihypertensive drug without known effect on bronchial tone. The study consisted of a 4-week placebo run-in period and a 12-week titration period in which the dose of both drugs was increased at 4-week intervals if blood pressure was not reduced adequately. The doses of celiprolol were 200, 400, or 600 mg once daily; those for chlorthalidone 12.5, 25, or 37.5 mg once daily. Entry criteria were a diastolic blood pressure between 90 and 115 mg Hg, and FEV-1 between 40% and 80% of predicted value, increasing by 15% or more after salbutamol, and a need for occasional bronchodilator therapy. Prophylactic medication for asthma was given in constant dosage for a month before the study and throughout the study. Preliminary results on 66 patients demonstrate that neither drug had a clinically significant effect on FEV-1, FEF 25-75, or FVC. Clinical variables were not significantly changed by either drug: the average monthly asthma attacks fell from 18 to 13 with celiprolol and from 11 to 7 with chlorthalidone. FEF was reduced by more than 50% in two patients on celiprolol and three on chlorthalidone. Monthly asthma attacks increased by more than 100% in five patients on celiprolol and four on chlorthalidone. Thus, preliminary results are unable to demonstrate adverse effects from celiprolol in patients with asthma and hypertension.

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