Using numbing injections to reduce inflammation during sickle cell pain crises

During a sickle cell vaso-occlusive crisis (a severe pain episode), doctors currently treat pain with medications like morphine. This study is exploring whether regional anesthesia—numbing injections that block pain in a specific area of the body—might have an extra benefit: reducing the inflammatory response (the body's harmful swelling and chemical reaction) that happens during these crises. Researchers will compare patients who choose this type of numbing injection with those who choose other pain treatments, measuring inflammation markers in their blood to see if the medication helps calm the body's inflammatory response.

Sickle cell vaso-occlusive crises involve severe pain and dangerous inflammation inside the body. Scientists have discovered in laboratory studies that regional anesthesia has natural anti-inflammatory properties, but no one has yet proven whether this benefit actually works in real sickle cell patients during a crisis.