Drug OKed in US to treat cystic fibrosis' root cause - Metro US

Drug OKed in US to treat cystic fibrosis’ root cause

WASHINGTON – The first drug that treats the root cause of cystic fibrosis won U.S. approval Tuesday, offering a life-changing treatment for a handful of patients with the deadly illness, and broader hope for thousands more patients suffering from the inherited disease.

The Food and Drug approved Vertex Pharmaceutical’s Kalydeco to improve lung function in patients with a rare variant of the disease. These patients have a protein defect that prevents their cells from properly absorbing and excreting salt and water.

Cystic fibrosis is a disease that causes sticky mucus buildup in the lungs and other organs, leading to infections, digestive problems and death in young adulthood.

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