Arthritis drug may mask diabetes, study warns

NCT ID NCT07416656

First seen Feb 24, 2026 · Last updated May 14, 2026 · Updated 11 times

Summary

This study looks at whether the arthritis drug sulfasalazine makes the common diabetes blood test (HbA1c) unreliable. The drug can lower HbA1c levels, potentially hiding new diabetes cases or making existing diabetes seem better controlled than it is. Researchers will use continuous glucose monitors to get a true picture of blood sugar in 75 adults with inflammatory arthritis who take sulfasalazine.

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