Ultragenyx Pharmaceuticals RARE announced that the FDA has issued a Complete Response Letter (CRL) for its biologics license ...

The FDA cited manufacturing issues but did not flag problems with Ultragenyx’s data package for UX111, with the biotech ...

Olivia had been showing symptoms since she was just 7 months old — including a belly that remained swollen, hard to the touch ...

Ultragenyx Pharmaceutical Inc. (NASDAQ:RARE) is one of the best oversold NASDAQ stocks to buy now. On July 14, William Blair ...

The effects of Sanfilippo syndrome in small children are so devastating that the rare disease is often known as "childhood dementia." About one in 70,000 newborns inherit this disorder.

Sanfilippo syndrome is a rare genetic disorder that affects the body's ability to break down complex sugars, causing symptoms of dementia in children. There is no cure, and the regression is ...

Ultragenyx Pharmaceuticals took another hit when the FDA rejected its gene therapy for patients with a rare, genetic disorder.

While the CRL derails a near-term clearance, one analyst described the rejection as more of “a speed bump to approval, rather ...