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    Cystic Fibrosis Drug Seems OK for Preschoolers

    Finds treatment works and is well-tolerated in 2- to 5-year-olds

    WebMD News from HealthDay

    By Robert Preidt

    HealthDay Reporter

    MONDAY, Jan. 25, 2016 (HealthDay News) -- The cystic fibrosis drug ivacaftor appears safe and effective for young children, a drug company-funded study suggests.

    "This was a small trial, but we are thrilled to see these results," said study leader Jane Davies, from the National Heart and Lung Institute at Imperial College London in England. "Ivacaftor is a potential new treatment to offer children aged 2 years and older with cystic fibrosis and a [specific gene mutation linked to the disease]. This novel therapy could substantially impact these children's lives, potentially opening the way to even greater progress in years to come."

    Cystic fibrosis is a life-threatening genetic disease that destroys the lungs and digestive system. More than 70,000 people worldwide have cystic fibrosis, the researchers said.

    One expert explained that ivacaftor has been considered a big advance in the treatment of the disease.

    "Ivacaftor, approved in 2012, was the first groundbreaking drug of its kind in that it works to correct the genetic defect in cystic fibrosis patients," explained Dr. Joan Decelie-Germana, director of the Cystic Fibrosis Center at Cohen Children's Medical Center in New Hyde Park, N.Y.

    "For many older patients who have been taking it since 2012, they report feeling 'normal,' have no daily symptoms and lung function has stabilized or improved -- it has been a 'game changer,' " she said.

    Prior studies found that ivacaftor was safe and effective in children 6 and older, as well as in teens and adults, the researchers said. However, this is the first study to assess the pill's effects in younger children, they added.

    The clinical trial included 34 cystic fibrosis patients between the ages of 2 and 5. All of the youngsters had at least one copy of a mutation in a gene linked to cystic fibrosis called the CFTR gene. For six months, they took two daily doses -- 50 milligrams (mg) for children who weighed less than 14 kilograms (31 pounds) and 75 mg for those who weighed more.

    The children showed improvement in several areas, including weight gain, pancreatic function and sweat chloride levels, which suggests an improvement in the body's ability to restore the balance of salt in and out of cells. When this process is defective, it leads to cystic fibrosis complications, the researchers said.

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