Ligand Pharmaceuticals Inc. (NASDAQ: LGND) today announced Jazz Pharmaceuticals plc (NASDAQ: JAZZ) has launched Rylaze™ (asparaginase erwinia chrysanthemi (recombinant)-rywn), also known as JZP458. Rylaze, which was approved by the FDA on June 30, 2021, is a recombinant erwinia asparaginase used as a component of a multi-agent chemotherapeutic regimen for the treatment of acute lymphoblastic leukemia (ALL) or lymphoblastic lymphoma (LBL) in adult and pediatric patients 1 month or older who have developed hypersensitivity to E. coli-derived asparaginase.
Under the terms of the license agreement with Jazz Pharmaceuticals, Ligand received a $2 million payment upon FDA’s acceptance for review of the product BLA and is entitled to receive a $5 million payment upon the first commercial sale following launch. Ligand is eligible to receive up to an additional $155.5 million in milestone payments and tiered low to mid-single digit royalties based on worldwide net sales of any products resulting from this collaboration, including Rylaze.
“This partnership with Jazz Pharmaceuticals is one of the core scientific programs that catalyzed our acquisition of Pfenex last year. The Rylaze commercial launch really showcases our highly productive partnership with Jazz and the exceptional ability of our Pelican Expression Technology to enable life-saving therapeutics,” said John Higgins, CEO of Ligand. “The robust manufacturing afforded by Ligand’s Pelican Expression Technology combined with Jazz’s demonstrated success in development and commercialization has enabled the delivery of a high-quality recombinant asparaginase option for patients with hypersensitivity to E. coli-derived asparaginase with reliable supply.”
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