Abatacept er undersøgt hos patienter med aktiv reumatoid artritis i placebo- kontrollerede, kliniske forsøg (1. 955 patienter behandlet med abatacept, 989 behandlet med placebo).
Abatacept has been studied in patients with active rheumatoid arthritis in placebo-controlled clinical trials (1,955 patients with abatacept, 989 with placebo).