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  • Title: Long term experience of felodipine in combination with beta-blockade and diuretics in refractory hypertension.
    Author: Collste P, Danielsson M, Elmfeldt D, Feleke E, Gelin A, Hedner T, Rydén L.
    Journal: Drugs; 1985; 29 Suppl 2():124-30. PubMed ID: 2859184.
    Abstract:
    Felodipine, a new dihydropyridine, was given to 58 hypertensive patients in combination with an adrenergic beta-receptor antagonist and a diuretic agent. In all but 2 patients the blood pressure was unsatisfactorily controlled on standard triple therapy, i.e. alpha beta-blocker, a diuretic and a vasodilator. A 48-week follow-up was completed by 54 patients. After an initial dose titration period, the maintenance dose of felodipine was 5 mg twice daily in 14 patients and 10 mg twice daily in 34 patients. In the remaining 6 patients, the dose ranged from 5 mg every morning to 25 mg twice daily. The dosages of beta-blocking agent and diuretic were considerably reduced during the study period. Mean supine blood pressure was reduced from 170/101 mm Hg on triple therapy before felodipine to 145/86 mm Hg (p less than 0.001) after 2 weeks on felodipine. This improvement was sustained throughout the study and was measured at 144/86 mm Hg (p less than 0.001) after 48 weeks. There was no increase in resting heart rate and no orthostatic fall in blood pressure. Bodyweight was not increased and felodipine was generally well tolerated. Three patients were withdrawn owing to side effects and 1 was socially non-compliant. It is concluded that felodipine is a potent and well tolerated vasodilator, and will be useful in the long term combination treatment of previously refractory hypertension.
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