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Bluebird prices gene therapy at 1.575 mln euros over five years

Deena Beasley and Tamara Mathias

June 14 (Reuters) - Bluebird bio Inc on Friday set a price for its gene therapy, Zynteglo, at 1.575 million euros ($1.78 million) over five years, after winning conditional approval in Europe this month to treat a rare genetic blood disorder.

The company proposed a five-year installment plan, with 315,000 euros paid up front and additional annual payments due only if the treatment continues to be effective.

Zynteglo was approved in Europe for patients age 12 and older with beta thalassemia who require regular blood transfusions to manage their disease and have no matching donor for a stem cell transplant.

Bluebird, which is also testing Zynteglo for sickle cell disease, said it expects the therapy to be approved for beta thalassemia in the United States in 2020. Wall Street analysts forecast Zynteglo beta thalassemia sales of about $828 million by 2024, according to data from Refinitiv.

Pharmaceutical companies have been investing heavily in potentially life-changing gene therapies over the past few years, but they come with hefty price tags. As a result, some are experimenting with so-called value-based pricing, which in some cases calls for refunds if a therapy fails to deliver on its promise.

Bluebird said it believes the "intrinsic value" of its one-time infusion is about $2.1 million per patient, and the price reflects the ability to avoid costly blood transfusions, improve quality of life and potentially cure patients.

Patients with beta thalassemia typically receive lifelong blood transfusions every few weeks.

Bluebird said it aims to price Zynteglo in developed nations, including the United States, within a "reasonably close" range. The company said patient access talks are underway with health authorities in Germany, Italy, France, and Britain.

"The one-time potentially curative nature of what we have on our hands here sort of warrants this type of a (pricing) model in a more aggressive way," bluebird Chief Executive Officer Nick Leschly told Reuters in a phone interview.

Gene therapies use engineered viruses to carry healthy genetic material into a persons cells to replace faulty or mutated genes that cause a disease or condition.

Whether these high priced new therapies can succeed in Europe, where countries have stringent price controls, remains to be seen.

The first two gene therapies were approved in Europe - UniQure NV's Glybera in 2012 for a very rare blood disorder and GlaxoSmithKline's Strimvelis in 2016 for "bubble boy" disease - and both were eventually abandoned by the companies.

But drugmakers are forging ahead with promising new gene therapies that will continue to test pricing limits.

In May, Swiss drugmaker Novartis won U.S. approval for its gene therapy for spinal muscular atrophy and priced it at $2.125 million, making it the world's most expensive drug. Novartis defended the price by saying that a one-time treatment was more valuable than expensive long-term treatments.

Spark Therapeutics Inc, which is being acquired by Roche Holding AG, won U.S. approval for its gene therapy to treat a rare form of blindness in 2017, pricing it at $850,000. ($1 = 0.8869 euros) (Reporting by Deena Beasley, Tamara Mathias and Aakash Jagadeesh Babu; editing by Bill Berkrot)