Blood pressure response to labetalol in twice and three times daily administration during a 24‐hour period.

G. Mancia, G. Pomidossi, G. Parati, G. Bertinieri, G. Grassi, F. Navone, A. Ferrari, L. Gregorini, A. Zanchetti

Research output: Contribution to journalArticle

Abstract

1 The anti‐hypertensive effect of labetalol given twice or three times daily was evaluated in ambulant subjects with essential hypertension by recording blood pressure directly for 24 h before and after 15 d of labetalol administration (daily dose 600‐1800 mg). 2 Labetalol reduced 24 h systolic and diastolic blood pressures by about 20%. The reduction was evident throughout the whole 24 h period, although it was less marked during sleep. The hypotensive effect was similar when the drug was given twice or three times daily. 3 The 24 h heart rate was reduced during labetalol treatment. However, this effect was less marked than the hypotensive effect and was not present in all subjects. 4 There was a reduction in the standard deviations of blood pressure and heart rate values. However, in neither case was the coefficient of variation altered, indicating that labetalol did not have any significant effect on the shape of the 24 h blood pressure measurements. 1982 The British Pharmacological Society

Original languageEnglish
Pages (from-to)27S-35S
JournalBritish Journal of Clinical Pharmacology
Volume13
Issue number1 S
DOIs
Publication statusPublished - 1982

ASJC Scopus subject areas

  • Pharmacology (medical)
  • Pharmacology
  • Pharmacology, Toxicology and Pharmaceutics(all)

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