Three Months. One Shot. Zero Daily Pills. Zoetis’ New Feline OA Therapy Just Changed the Game

Zoetis has received Health Canada approval for Portela™ (relfovetmab injection), a monoclonal antibody therapy designed to alleviate pain associated with osteoarthritis in cats with a single injection lasting up to three months. For veterinary professionals who have struggled with compliance, caregiver fatigue, and hard to medicate patients, this approval signals a meaningful shift in how feline OA pain can be managed.