Efficacy of Lodotra®(Prednisone) in Reduction of Morning Stiffness Duration(K-IMPROvE)

Test Treatment, Dose, and Mode of Administration: Starting dose is 10mg, and depending on the clinical symptoms and the patient's response, the initial dose can quickly be reduced to a lower maintenance dose. When changing over from the standard regimen (glucocorticoid administration in the morning) to Lodotra® administered at bedtime (at about 10 pm), the same dose (in mg prednisone equivalent) should be maintained, if the subject has taken stable dose within 30 days. Lodotra® dose cannot exceed more than 10mg. Lodotra® should be taken at bedtime (at about 10 pm), with or after the evening meal and be swallowed whole with sufficient liquid. If more than 2 - 3 hours have passed since the evening meal, it is recommended to take Lodotra® with a light meal or snack. Modified-release tablets are not to be broken, divided or chewed. Treatment procedure:At Visit 1(week 0), subjects who qualify for entry into the study will medicated to Lodotra® starting dose of 10 mg daily. (Written informed consent has to be obtained, and subjects will undergo complete evaluation for study eligibility) No dose increase will be allowed for more than 10mg