Does increased movement predict how well biologic therapy works for arthritis?

This study is trying to understand whether how much you move in the first few weeks after starting a biologic medication can predict how well that treatment will work for your rheumatoid arthritis. Researchers will give you a device to wear that tracks your daily physical activity, and they'll follow you over time to see if people who become more active early on also experience better long-term results from the medication.

Many people with rheumatoid arthritis still struggle with pain, fatigue, and reduced ability to do daily activities even after starting strong anti-inflammatory treatments. This study hopes to find an early warning sign—improved movement—that could help doctors predict which patients will benefit most from the medication, so they can better tailor treatment plans and help people get back to their normal lives.