Conditions: Urticaria
Keywords: hives rash pruritis
Allocation: NA | Intervention model: SINGLE_GROUP
Enrollment: 4
Healthy volunteers: no

Brief summary:
This study is being done to find out if a drug called Abatacept (Orencia ®) is safe and effective in treating people with chronic urticaria (persistent hives).

Detailed description:

Arms:
arm 1: 4 doses of abatacept administered intravenously at baseline, 2 weeks, 4 weeks, and 8 weeks.

Interventions: intervention 1: abatacept (Orencia ®)
Intervention descriptions: intervention 1: 4 doses of abatacept administered intravenously at baseline, 2 weeks, 4 week, and 8 weeks.

Protocol document: