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The arthritis drug Humira eased symptoms of psoriasis of patients in two clinical trials and drug maker Abbott Laboratories says it will apply for U.S. and European approval to market the drug to treat the skin disease.
One study found that Humira cleared up all symptoms of psoriasis while the other study found the drug led to an 80 percent improvement in patients, Bloomberg News reported.
Symptoms of psoriasis include inflamed, scaly skin lesions that can crack and bleed. The disease affects about 125 million people worldwide.
Currently, Humira is approved to treat the immune system disorders rheumatoid arthritis, psoriatic arthritis, spinal arthritis, and Crohn's disease. The drug works by blocking the activity of a protein called TNF. Too much TNF can cause the immune system to attack healthy tissue, Bloomberg News reported.