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  • Title: The effects on gastroduodenal mucosa of a new nonsteroidal anti-inflammatory drug, amtolmetin-guacyl, versus piroxicam in healthy volunteers: a short-term, double-blind, endoscopically controlled study.
    Author: Lazzaroni M, Anderloni A, Bianchi Porro G.
    Journal: Eur J Gastroenterol Hepatol; 2001 Jul; 13(7):833-9. PubMed ID: 11474314.
    Abstract:
    AIM: Amtolmetin-guacyl (AMG) (2-[2[1-methyl-5-(4-methylbenzoyl) pyrrol-2-yl] acetamido] acetic acid 2-methoxyphenyl ester) is a recent drug that, in preliminary studies, has shown effective anti-inflammatory properties with improved gastrointestinal safety. Our study was designed to investigate the effects of AMG and piroxicam on gastroduodenal mucosa in healthy volunteers. MATERIALS AND METHODS: Forty-two healthy volunteers aged 18--45 years were randomized in a double-blind manner to AMG 1200 mg for 2 days and 600 mg for 12 days, or piroxicam 40 mg for 2 days and 20 mg for 12 days. Endoscopic evaluation and laboratory tests were performed at baseline and at the end of the treatment. The mucosa was evaluated by endoscopy using a predefined scale: the score could range from 0 to 4. Only volunteers with endoscopy grade 0-1 entered the trial. RESULTS: The median post-treatment endoscopy gastric injury scores were 1 (range 0--4) in the AMG-treated volunteers and 3 (range 0--4) in the piroxicam-treated volunteers (P = 0.04). There were two cases with an endoscopic gastric score of 4 in the AMG group, and seven in the piroxicam group (P = 0.1). The corresponding values in the duodenum were 1/21 volunteers in the AMG group and 1/21 in the piroxicam group. Eight out of 11 subjects with an endoscopic score of 4 were Helicobacter pylori negative, and 3/11 were infected by the micro-organism. Different adverse reactions were reported by 15/21 volunteers (71%) in the AMG group and by 12/21 (57%) in the piroxicam group. None of these events resulted in interruption of the study. CONCLUSIONS: AMG is a new anti-inflammatory drug with limited gastric toxicity. If these findings are confirmed on a wider scale in long-term trials, then the drug might become a valid alternative to current treatments, especially for patients such as those with rheumatoid arthritis who need steroids and second-line drugs simultaneously.
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