Enhancement of an Auto-Injector Device for Self-Administration of Etanercept in Patients With Rheumatoid Arthritis Confers Emotional and Functional Benefits.

Introduction: Etanercept is effective in the management of rheumatoid arthritis (RA) and can be self-administered via an auto-injector. While these devices are generally well accepted, some patients are not comfortable with the process of self-administration; this has been cited as a reason for discontinuation of biologic treatment. Alternative routes of administration (e.