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Symptom score. Vertical bar is SD; After treatment means after 12 weeks of treatment. After treatment of ONO-2235, symptoms score was significantly improved (from 5.25 (1.57) to 3.50 (2.06); p=0.0002), but not of placebo (from 5.61 (1.38) to 4.89 (1.32); p=0.17).
