Primary objective:~- To assess the safe usability of the VIBEX MTX device for subcutaneous (SC) self-injection of methotrexate (MTX) in adult patients with rheumatoid arthritis (RA) after standardized training by site personnel and review of written instructions~Secondary objectives:~To evaluate the reliability and robustness of the VIBEX MTX device~To evaluate the safety and local tolerance of an SC self-injection of MTX using the VIBEX MTX device~To evaluate the effectiveness and ease of use of the VIBEX MTX device patient education tools for SC self-injection
The purpose of this study is to assess the usability of the VIBEX MTX device for SC self-injection of methotrexate.