did not achieve significanceP < 0.10
Per protocol set analyses demostrated improvements over placebo in the number of days per week with at least one stool having a BSS classification of 6 or 7 and mean weekly score of the worst abdominal pain experienced during the past 24 hours were observed with 60 mg ONO-2952 over the 4-week treatment period but did not achieve significance at a 5% level (P < 0.10).