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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/16114
Title: Comparative effects of quinine and quinidine on glucose metabolism in healthy volunteers.
Authors: TM Davis
J. Karbwang
S. Looareesuwan
RC Turner
NJ White
Mahidol University
Keywords: Medicine;Pharmacology, Toxicology and Pharmaceutics
Issue Date: 1-Jan-1990
Citation: British Journal of Clinical Pharmacology. Vol.30, No.3 (1990), 397-403
Abstract: 1. To investigate the relative effects of quinine and quinidine on glucose metabolism, 11 healthy males aged 17‐32 years were given three separate 1 h intravenous infusions; normal saline alone, quinine dihydrochloride 10 mg base kg‐1 body weight (BW) in normal saline, and quinidine dihydrochloride 10 mg base kg‐1 BW in normal saline. A constant infusion of 5 mg glucose kg‐1 ideal BW min‐1 was given for 1 h before and during each study. 2. Assessment of pancreatic beta cell function and tissue insulin sensitivity from plasma glucose and insulin concentrations at the end of the first hour using the Continuous Infusion of Glucose with Model Assessment (CIGMA) technique confirmed normal glucose tolerance for each subject on each test day. 3. Plasma glucose concentrations at 1 h were similar to those at 2 h. There was no significant difference between the plasma glucose profiles during the three infusion regimes (P greater than 0.05). Plasma insulin rose significantly during the second hour (P less than 0.0001); increments after quinine (geometric mean [‐1 s.d‐ +1 s.d.]; 47.0 [27.8‐79.4] mu l‐ 1) were significantly greater than those after quinidine (19.8 [6.1‐ 65.2] mu l‐1) and saline (7.5 [0‐21.5] mu l‐1; P less than 0.05). Plasma quinine concentrations at the end of the infusion (6.5 +/− 4.4 mg l‐1) correlated with insulin increments during the second hour (r = 0.662, P = 0.028) and were significantly greater than those of quinidine (3.0 +/− 0.8 mg l‐1; P less than 0.05).(ABSTRACT TRUNCATED AT 250 WORDS) 1990 The British Pharmacological Society
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0025150835&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/16114
ISSN: 13652125
03065251
Appears in Collections:Scopus 1969-1990

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