Clinical Evaluation of Ropinirole IR (Immediate Release) Tablets in Patients Who Are Diagnosed With Symptomatic Restless Legs Syndrome (RLS) Associated With Chronic Kidney Disease (CKD) Managed With Haemodialysis (Including Haemofiltration and Haemodiafiltration)

This is a multicenter, placebo controlled, parallel group, double-blind, randomized comparison study to evaluate the efficacy and safety of ropinirole IR tablets orally administered for 12 weeks in patients with symptomatic restless legs syndrome associated with Chronic kidney disease (CKD) managed with haemodialysis (including haemofiltration and haemodiafiltration) (hereinafter referred to as "uRLS"), to evaluate the efficacy and safety of long-term administration of ropinirole IR tablets, and assess the effect on the steady state pharmacokinetics in the long-term administration period of ropinirole IR tablets.