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- W2321043971 abstract "Cop 1 is a random polymer (molecular weight, 14,000 to 23,000) simulating myelin basic protein. It is synthesized by polymerizing L-alanine, L-glutamic acid, L-lysine, and L-tyrosine. It suppresses but does not induce experimental allergic encepnalomyelitis, an animal model of multiple sclerosis. It is not toxic in animals. In a double-blind, randomized, placebo-controlled pilot trial, we studied 50 patients with the exacerbating–remitting form of multiple sclerosis, who self-injected either 20 mg of Cop 1 dissolved in 1 ml of saline or saline alone daily for two years. Six of 23 patients in the placebo group (26 percent) and 14 of 25 patients in the Cop 1 group (56 percent) had no exacerbations (P = 0.045). There were 62 exacerbations in the placebo group and 16 in the Cop 1 group, yielding two-year averages of 2.7 and 0.6 per patient, respectively. Among patients who were less disabled on entry (Kurtzke disability score, 0 to 2), there were 2.7 exacerbations in the placebo group and 0.3 in the Cop 1 group over two years. Among patients who were more affected (Kurtzke disability score, 3 to 6), there was an average of 2.7 exacerbations in the placebo group and 1.0 in the Cop 1 group. Over two years, less disabled patients taking Cop 1 improved an average of 0.5 Kurtzke units; those taking placebo worsened an average of 1.2 Kurtzke units. More disabled patients worsened by 0.3 (Cop 1 group) and 0.4 (placebo group) unit. Irritation at injection sites and rare, transient vasomotor responses were observed as side effects. These results suggest that Cop 1 may be beneficial in patients with the exacerbating–remitting form of multiple sclerosis, but we emphasize that the study is a preliminary one and our data require confirmation by a more extensive clinical trial. (N Engl J Med 1987; 317:408–14.)" @default.
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- W2321043971 date "1987-08-13" @default.
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- W2321043971 title "A Pilot Trial of Cop 1 in Exacerbating–Remitting Multiple Sclerosis" @default.
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- W2321043971 doi "https://doi.org/10.1056/nejm198708133170703" @default.
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