Episodes of inflammation and pain are predominant features of arthritic joint diseases. Drug delivery systems (DDS) could reduce inflammation and pain long-term without chances of infection upon multiple injections. To allow for long-term evaluation of DDS. we modified a previously published acute arthritis model by extending follow-up periods between flare-ups. https://www.roneverhart.com/Double-Kick-48-Dancer-Longboard-Cross-Stepping-DECK/