{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,1,28]],"date-time":"2025-01-28T05:46:47Z","timestamp":1738043207790,"version":"3.33.0"},"reference-count":41,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[1999,3,1]],"date-time":"1999-03-01T00:00:00Z","timestamp":920246400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Psychopharmacol"],"published-print":{"date-parts":[[1999,3]]},"abstract":"<jats:p> Phenothiazines are widely used in older patients, but little experimental work has been carried out in this age group. Two groups of healthy volunteers, a younger group (Y: six males and six females, aged 20-42 years) and an older group (0: six males and eight females, aged 65-77 years) took part in a randomized double-blind threeperiod crossover study in which they received by mouth single doses of thioridazine (Y: 50mg; 0: 25mg) remoxipride (Y: 100mg; 0: 50mg) or placebo. Measures of central nervous system (CNS) and haemodynamic function were carried out before drug administration and at 1.5-h intervals up to 9h post-dose, and blood samples were collected over a 24-h period. No significant differences in dose-corrected pharmacokinetic variables were found between the two groups. There was evidence of marked CNS depressant effects of thioridazine from both objective and subjective measures. The effects for remoxipride were similar, though generally less marked. After allowance was made for dose, there was little indication of any difference in degree of CNS depression between the two age groups. Haemodynamic measures showed orthostatic reductions in blood pressure with thioridazine which were particularly marked in the older group, who also showed lower compensatory increases in pulse rate. These results indicate potential problems with orthostatic hypotension with thioridazine in older patients. CNS depression may also be a problem, especially in patients with compromised cholinergic function. <\/jats:p>","DOI":"10.1177\/026988119901300208","type":"journal-article","created":{"date-parts":[[2009,4,1]],"date-time":"2009-04-01T23:04:54Z","timestamp":1238627094000},"page":"159-165","source":"Crossref","is-referenced-by-count":7,"title":["Single dose pharmacodynamics of thioridazine and remoxipride in healthy younger and older volunteers"],"prefix":"10.1177","volume":"13","author":[{"given":"C. G.","family":"Swift","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D. 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