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Literatura
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Effects of Oral Enzymes in Collagen II Induced Arthritis in Mice Emancipator S. N.,1 Chintalacharuvu S. R.,1 Urankar Nagy N.,1 Petersilge C.,2 Stauder G.3 1Institute of Pathology, Case Western Reserve University, Cleveland, OH, USA, 2Departments of Pathology and Radiology, Case Western Reserve University, Cleveland, OH, USA, 3Clinical Research, MUCOS Pharma GmbH, Geretsried, Germany. Int. J. Immunotherapy XIII (3/4) 67-74 (1997) Summary Three groups of randomly selected mice were immunized and boosted with Type II collagen; age-matched nonimmunized controls were maintained. Beginning on day 28, groups were given 120 mg/kg oral Phlogenzym® twice daily, 40 mg/kg oral ibuprofen twice daily, or no therapy. Swelling of the footpads, measured with a tensioning caliper, generally appeared on day 21, and was identical in the three immunized groups until day 31; subsequently, mice given Phlogenzym® or ibuprofen had significantly less swelling than the untreated mice, with no difference between the two therapies. At sacrifice, there was severe joint degeneration in the untreated groups at 42 and 49 days, with ankylosis in 3 of 8 untreated mice examined at 49 days. Joint degeneration was moderate at day 42 and moderate to severe at day 49 in the ibuprofen-treated mice, but mild at day 42 and generally mild at day 49 in Phlogenzym®-treated mice (chi-squared = 5.8, p<0.05). Computer morphometry revealed an average cartilage thickness of 720 mm in normals, 630 mm in Phlogenzym®-treated diseased mice, 380 mm in ibuprofen-treated diseased mice, and 290 mm in untreated diseased mice (F = 9.8, p<0.01). Radiographic scores correlated with the pathologic scores. We conclude that Phlogenzym® protects articular cartilage significantly better than ibuprofen in this murine model of rheumatoid arthritis, despite equal antiinflammatory potency. |
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