The Boston Globe

Ultragenyx opens gene therapy plant in Bedford

Facility will make treatments for rare diseases

- By Jonathan Saltzman GLOBE STAFF Jonathan Saltzman can be reached at jonathan.saltzman@globe.com.

Ultragenyx Pharmaceut­ical, the San Francisco Bay Area-based biopharmac­eutical company, on Wednesday officially opened a 110,000-square-foot plant in Bedford to manufactur­e gene therapies, one of the most innovative but expensive approaches to treat serious inherited diseases.

Ultragenyx, whose pipeline of experiment­al gene therapies include treatments for Duchenne muscular dystrophy and Wilson disease — a rare inherited disorder that causes copper to accumulate in the liver, brain, and other vital organs — opened the plant on a 10.7-acre site off Route 3.

“Through this facility, Ultragenyx will develop and produce gene therapy treatments at greater scale than previously possible, which we believe will make these rare disease medicines more accessible to the people who need them,” said Dennis Huang, executive vice president for gene therapy research and developmen­t at the Novato, Calif.-based firm.

The plant has about 120 fulltime employees and about 30 contractor­s, according to Sue Marrichi, vice president and site head. Ultragenyx has roughly 230 more employees in Woburn and Cambridge. It has a total of 1,350 worldwide in locations that include North America, Latin America, Europe, and Japan.

Marrichi declined to say how much the new plant cost. It employs workers with a wide range of educationa­l background­s, from high school diplomas to PhDs and MBAs, she said. Several are graduates of Middlesex Community College, which has a campus in Bedford.

Since 2017, Ultragenyx has won approval of four drugs for ultrarare and rare diseases, including a metabolic disorder and a bone disorder. The 13-year-old firm has yet to win approval of a gene therapy.

The Food and Drug Administra­tion has approved at least six gene therapies since 2017 that have transforme­d the outlook for diseases once considered hopeless. The therapies typically used viruses modified in a lab to deliver a functional gene to compensate for a defective one. They are also breathtaki­ngly expensive.

Among the biotechs that have gotten gene therapies cleared recently is Somerville’s Bluebird Bio. In August, it won approval of Zynteglo, a $2.8 million one-time treatment for a rare inherited blood disease called beta thalassemi­a. A month later, it won approval of Skysona, a $3 million one-time treatment for the fatal degenerati­ve brain disease cerebral adrenoleuk­odystrophy.

Another local biotech, Cambridge’s Sarepta Therapeuti­cs, hopes to win approval this week of a gene therapy for Duchenne muscular dystrophy even though experts debate how effective it was in a clinical trial.

Although some companies might hire a contract manufactur­ing organizati­on to make a gene therapy, Marrichi said Ultragenyx preferred to have its own plant to control the timing of production. “Otherwise, you’re at the mercy of the contract manufactur­ing facility,” she said.

 ?? JOSHUA SUDOCK/ULTRAGENYX ?? Since 2017, Ultragenyx has won approval of four drugs for ultrarare and rare diseases, including a metabolic disorder and a bone disorder. The 13-year-old firm has yet to win approval of a gene therapy.
JOSHUA SUDOCK/ULTRAGENYX Since 2017, Ultragenyx has won approval of four drugs for ultrarare and rare diseases, including a metabolic disorder and a bone disorder. The 13-year-old firm has yet to win approval of a gene therapy.

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