Pain Research and Management (Jan 2000)
A 5-HT Antagonist (UP 26-91) versus Codeine and Placebo in a Human Experimental Pain Study
Abstract
BACKGROUND: This double-blind, randomized, crossover study compared the potential analgesic effect of the serotonin receptor antagonist UP 26-91 (50 mg, 150 mg and 300 mg) with that of codeine (100 mg) and placebo by use of different human experimental pain models.