Conditions: Arthritis, Rheumatoid
Keywords: Rheumatoid Arthritis Japanese subjects
Allocation: NON_RANDOMIZED | Intervention model: PARALLEL
Enrollment: 53
Healthy volunteers: no

Brief summary:
This study consist of treatment phase (12 weeks) and extension phase (40 weeks). This study is a multicenter, open-label, uncontrolled, multiple ascending dose (MAD) study to evaluate mainly the safety and tolerability of 12-week repeated subcutaneous administration of E6011 in Japanese subjects with Rheumatoid Arthritis. First 12 subjects will enroll as 100 mg group, next 12 subjects will enroll as 200 mg group, and last 9 subjects will enroll as 400 mg group. A total of 33 subjects will receive repeated subcutaneous administration of E6011. Subjects who roll over onto the Extension phase will have continued monitoring until 52 weeks after the initial administration.

Detailed description:

Arms:
arm 1: E6011 will be administered repeatedly, subcutaneously at Week 0, 1, 2, followed by every 2 weeks upto 10 weeks (treatment phase).100 mg group will receive E6011 subcutaneously, 1 ml. If a subject intends to continue administrations; the subject will receive a total of 20 subsequent biweekly administrations (40 weeks) at stable dose (Extension phase). arm 2: E6011 will be administered repeatedly, subcutaneously at Week 0, 1, 2, followed by every 2 weeks upto 10 weeks (treatment phase). 200 mg group will receive E6011 subcutaneously, 1 ml each at two sites. If a subject intends to continue administrations; the subject will receive a total of 20 subsequent biweekly administrations (40 weeks) at stable dose (Extension phase). arm 3: E6011 will be administered repeatedly, subcutaneously at Week 0, 1, 2, followed by every 2 weeks up to 10 weeks (treatment phase). 400 mg group will receive E6011 subcutaneously, 1 ml each at four sites or 2 ml each at two sites. If a subject intends to continue administrations, the subject will receive a total of 20 subsequent biweekly administrations (40 weeks) at stable dose (Extension Phase).

Interventions: intervention 1: E6011
Intervention descriptions: intervention 1: None

Protocol document: