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Pfizer Acquires Gene Therapy Portfolio in Deal that Could Total $636 Million

Tony Owusu

were falling slightly in trading after the drugmaker announced it has agreed to pay up to $636 million for the rights to a portfolio of gene therapies under development at French company Vivet Therapeutics. Pfizer acquired a 15% equity interest in Vivet up front for $51 million and secured an exclusive option to acquire all of the private company's outstanding shares. The two companies will collaborate on Vivet's propriety treatment for the chronic, life-threatening liver disorder Wilson disease.