Dextromethorphan, a clinically available N-methyl-D-aspartic acid (NMDA) receptor antagonist, has an analgesic effect in patients with diabetic neuropathy. The aim of this study was to evaluate the analgesic and adverse effects of a single high dose of dextromethorphan on spontaneous
Biopharmaceutics & drug disposition, 17(5), 421-433 (1996-07-01)
The plasma concentration and cumulative urinary excretion over 34 h of dextromethorphan, free and conjugated dextrorphan, and 3-hydroxymorphinan were determined in seven healthy Japanese subjects after oral administration of 30 mg dextromethorphan hydrobromide. Conjugated metabolites were extensively present, whereas no
British journal of clinical pharmacology, 27(2), 223-227 (1989-02-01)
1. The interindividual differences in serum concentrations of dextromethorphan (DM) and its metabolites were studied in 29 healthy subjects given 120 mg orally. They were also phenotyped according to the urinary ratio of debrisoquine and 4-hydroxy-debrisoquine. 2. Four (14%) subjects
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 19(3), 395-397 (2004-12-15)
The purpose of this study was to develop a novel therapy for Parkinson's disease (PD). We recently reported that dextromethorphan (DM), an active ingredient in a variety of widely used anticough remedies, protected dopaminergic neurons in rat primary mesencephalic neuron-glia
American journal of obstetrics and gynecology, 192(2), 633-639 (2005-02-08)
The purpose of this study was to determine whether drug metabolism (CYP1A2, CYP2D6 and CYP3A) activity varies in the pregnant state compared with the nonpregnant state. Subjects were studied at 14 to18 weeks of gestation, 24 to 28 weeks of
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