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In a randomized double-blind study patients with arthritis ( n = 99) received either 600 mg AMG on an empty stomach or 20 mg of piroxicam on a full stomach, once daily for 30 days. All clinical parameters improved significantly with both drugs; there were no significant differences between the two treatments. Tolerability, assessed by the patients, was significantly better in the AMG group. In the piroxicam group nine of 50 patients withdrew because of side-effects (gastrointestinal) compared with two of 49 (nausea and headache) in the AMG group. There were three cases of perforation, ulcer and bleeding in the piroxicam group but no serious side-effects with AMG. Total numbers of side-effects were similar in the two groups, but epigastric and abdominal pain were more frequent and more intense with piroxicam. AMG was as effective as piroxicam in controlling the symptoms of osteoarthritis, but showed better gastrointestinal tolerability.<\/jats:p>","DOI":"10.1177\/147323000002800204","type":"journal-article","created":{"date-parts":[[2013,2,27]],"date-time":"2013-02-27T14:22:28Z","timestamp":1361974948000},"page":"91-100","source":"Crossref","is-referenced-by-count":15,"title":["Amtolmetin Guacyl versus Piroxicam in Patients with Osteoarthritis"],"prefix":"10.1177","volume":"28","author":[{"given":"F","family":"Montrone","sequence":"first","affiliation":[{"name":"Rheumatology Unit, \u2018L. Sacco\u2019 University Hospital, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S","family":"Santandrea","sequence":"additional","affiliation":[{"name":"Rheumatology Unit, \u2018L. 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