Salih, I.S.M., Thanacoody, R.H.K., McKay, G.A. and Thomas, S.H.L. (2007) Comparison of the effects of thioridazine and mesoridazine on the QT interval in healthy adults after single oral doses. Clinical Pharmacology and Therapeutics, 82(5), pp. 548-554. (doi: 10.1038/sj.clpt.6100194) (PMID:17410120)
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Abstract
We compared the effects of single doses of thioridazine and mesoridazine on the heart rate-corrected QT (QTc) interval in healthy adult volunteers. QTc intervals and plasma concentrations of thioridazine, mesoridazine, and metabolites were measured after single oral doses of thioridazine hydrochloride 50 mg, mesoridazine besylate 50 mg, or placebo in a double-blind, crossover study. Mean maximum increases in the QTc interval following thioridazine (37.3±4.1 ms, P=0.023) and mesoridazine (46.6±7.4 ms, P=0.021) were similar and significantly greater than following placebo (12.9±8.1 ms). The area under the effect–time curve over 8 h following drug administration was similar between the two drugs (129.3±22.1 vs 148.3±43.0 ms h). In conclusion, thioridazine and mesoridazine are associated with similar effects on the QTc interval.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | McKay, Dr Gerard |
| Authors: | Salih, I.S.M., Thanacoody, R.H.K., McKay, G.A., and Thomas, S.H.L. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing |
| Journal Name: | Clinical Pharmacology and Therapeutics |
| Publisher: | John Wiley & Sons Ltd. |
| ISSN: | 0009-9236 |
| ISSN (Online): | 1532-6535 |
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