β-blocker effects on 24-h activity in normotensive and renovascular hypertensive baboons

Jaylan S. Turkkan, Robert D Hienz, Richard Allen, H. Joseph Bezold

Research output: Contribution to journalArticle

Abstract

Spontaneous motor activity of normotensive and renovascular hypertensive baboons was measured during oral dosing with the β-adrenergic antagonists atenolol HCl (2.6 mg/kg/day) and d,l-propranolol HCl (6.8 mg/kg twice daily) in separate studies. Each study administered active drug for 21 consecutive days. Piezoelectric monitors sensitive to movement were worn continuously by the baboons. Propranolol decreased overall 24-h average activity during the third week of dosing in normotensive baboons but not in renovascular hypertensive baboons. The greatest reductions in activity averaged 20% at those times of day corresponding to the second daily drug dose both in normotensive baboons and, at this time of day only, in the majority of hypertensive baboons. Activity decreases reversed to baseline levels when propranolol was discontinued. For atenolol, most normotensive but no hypertensive baboons showed decreases in activity at the time of day corresponding to the daily drug dose.

Original languageEnglish (US)
Pages (from-to)465-471
Number of pages7
JournalPharmacology Biochemistry and Behavior
Volume42
Issue number3
DOIs
StatePublished - 1992

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Papio
Propranolol
Atenolol
Pharmaceutical Preparations
Adrenergic Antagonists
Motor Activity

Keywords

  • Adverse side effects
  • Antihypertensive agents
  • Atenolol
  • Baboons
  • Blood pressure
  • Motor behavior
  • Nonhuman primates
  • Propranolol
  • Renovascular hypertension
  • β-Adrenergic blocking agents

ASJC Scopus subject areas

  • Biochemistry
  • Behavioral Neuroscience
  • Pharmacology

Cite this

β-blocker effects on 24-h activity in normotensive and renovascular hypertensive baboons. / Turkkan, Jaylan S.; Hienz, Robert D; Allen, Richard; Joseph Bezold, H.

In: Pharmacology Biochemistry and Behavior, Vol. 42, No. 3, 1992, p. 465-471.

Research output: Contribution to journalArticle

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