A medical article, such as a connector fitting or extension set, is stabilized on a patient with a retainer and a dressing integrally attached to an anchor pad supporting the retainer. The connector fitting or extension set may be integrally formed with the retainer. The connector fitting or extension set may comprise a spin nut configured to secure to a catheter hub having a catheter connected thereto. One or more of the anchor pad, dressing, and catheter may comprise an antibacterial or antimicrobial agent.