Pharmacokinetics of atenolol in hypertensive subjects with and without co-administration of chlorthalidone

The pharmacokinetics of atenolol with and without the co-administration of chlorthalidone were studied in five hypertensive subjects. Concomitant administration of chlorthalidone appears to have little if any effect on the pharmacokinetics of atenolol during treatment for 7 days. The atenolol elimin...

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Veröffentlicht in:European journal of clinical pharmacology 1980-05, Vol.17 (5), p.333-337
Hauptverfasser: Riva, E, Farina, P L, Sega, R, Tognoni, G, Bastain, W, McAinsh, J
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container_end_page 337
container_issue 5
container_start_page 333
container_title European journal of clinical pharmacology
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creator Riva, E
Farina, P L
Sega, R
Tognoni, G
Bastain, W
McAinsh, J
description The pharmacokinetics of atenolol with and without the co-administration of chlorthalidone were studied in five hypertensive subjects. Concomitant administration of chlorthalidone appears to have little if any effect on the pharmacokinetics of atenolol during treatment for 7 days. The atenolol elimination half-lives were 6.7 +/- 1.1 and 6.3 +/- 0.9 h, respectively, with and without chlorthalidone. Two healthy volunteers also received a single 50 mg oral dose of chlorthalidone. Their blood profiles and pharmacokinetics were similar to those observed in hypertensive subjects, but a statistically significant difference (p < 0.01) was found between the urinary excretion half-lives of chlorthalidone. This difference may be because chronic administration of the drug caused saturation of red cell binding.
doi_str_mv 10.1007/BF00558445
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Concomitant administration of chlorthalidone appears to have little if any effect on the pharmacokinetics of atenolol during treatment for 7 days. The atenolol elimination half-lives were 6.7 +/- 1.1 and 6.3 +/- 0.9 h, respectively, with and without chlorthalidone. Two healthy volunteers also received a single 50 mg oral dose of chlorthalidone. Their blood profiles and pharmacokinetics were similar to those observed in hypertensive subjects, but a statistically significant difference (p &lt; 0.01) was found between the urinary excretion half-lives of chlorthalidone. 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subjects Adult
Atenolol - administration & dosage
Atenolol - metabolism
Chlorthalidone - administration & dosage
Chlorthalidone - metabolism
Drug Therapy, Combination
Half-Life
Humans
Hypertension - blood
Hypertension - drug therapy
Hypertension - urine
Male
Propanolamines - metabolism
title Pharmacokinetics of atenolol in hypertensive subjects with and without co-administration of chlorthalidone
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