Two ways to treat shoulder pain from arthritis

This trial is testing two different injection approaches to treat shoulder pain caused by arthritis or rotator cuff damage. One approach uses methylprednisolone acetate, a corticosteroid injected directly into the shoulder joint. The other uses a nerve block with numbing medication and a steroid injected near a nerve that controls shoulder pain. The study wants to see which approach works better for people who want to avoid surgery.

Shoulder arthritis and rotator cuff damage can cause chronic pain, and many patients prefer to try non-surgical treatments first. While steroid injections into the joint are commonly used, nerve blocks are a less common option that might offer pain relief with different benefits—and researchers want to compare how well these two approaches actually work.