How effective are TNF inhibitors at treating psoriatic arthritis?

Donna Hill Howes, RN
Family Practitioner

TNF inhibitors are among the most effective treatments for psoriatic arthritis. Study results vary for specific drugs, but about 40% to 65% of people get at least a 20% improvement in symptoms and disease activity. These drugs are also very effective for plaque psoriasis and nail and pustular psoriasis that have not responded to other treatments. If one TNF inhibitor doesn't work well for a person, a different one might. 

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