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A PHARMACOKINETIC AND PHARMACODYNAMIC ASSESSMENT OF A COMBINED SLOW‐RELEASE METOPROLOL‐CHLORTHALIDONE PREPARATION
Author(s) -
Kendall M. J.,
Lambert L.,
Quarterman C. P.,
John V. A.
Publication year - 1981
Publication title -
journal of clinical pharmacy and therapeutics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.622
H-Index - 73
eISSN - 1365-2710
pISSN - 0269-4727
DOI - 10.1111/j.1365-2710.1981.tb01002.x
Subject(s) - metoprolol , chlorthalidone , pharmacology , pharmacokinetics , pharmacodynamics , drug , chemistry , medicine , diuretic
SUMMARY Beta adrenoceptor blocking drugs and diuretics are frequently given together to control hypertension and increasingly the two agents are being combined in a single preparation. Possible interactions between the two agents are therefore of interest. In this study the addition of chlorthalidone has been shown not to influence the plasma levels or beta‐blocking action of a sustained release form of metoprolol. In addition, when the combination product containing sustained release metoprolol and chlorthalidone is given over 21 days, the plasma levels of each drug are similar to those reported for each drug when given alone.