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Novo Nordisk acquires Prothena’s ATTR amyloidosis programme

Marcus Schindler

The companies have entered into a definitive purchase agreement under which Novo Nordisk has acquired Prothena’s clinical stage antibody PRX004 and broader ATTR amyloidosis programme.

PRX004 is a phase 2 ready anti-amyloid immunotherapy designed to deplete the amyloid deposits that are associated with the disease pathology of ATTR amyloidosis. ATTR amyloidosis is a rare, progressive and fatal disease characterised by the abnormal build-up of amyloid deposits composed of misfolded transthyretin protein in organs and tissues, most commonly the heart and/or nervous system.

ATTR cardiomyopathy

Prothena has completed a phase 1 study with PRX004 in patients with hereditary forms of ATTR, in which PRX004 was found to be safe and well tolerated.

Novo Nordisk will initially focus on the clinical development of PRX004 in ATTR cardiomyopathy – an underdiagnosed and potentially fatal form of ATTR amyloidosis characterised by build-up of amyloid deposits in cardiac tissue, it states.

Development and sales milestone payments totalling up to 1.2 billion US dollars

Under the terms of the definitive purchase agreement, Novo Nordisk acquires Prothena’s wholly-owned subsidiary and gains full worldwide rights to the intellectual property and related rights of Prothena’s ATTR amyloidosis business and pipeline. Prothena is eligible to receive development and sales milestone payments totalling up to 1.2 billion US dollars including 100 million dollars in upfront and near-term clinical milestone payments.

“This acquisition is a testament to Prothena’s pioneering work in ATTR amyloidosis and Novo Nordisk’s dedication to advancing new disease-modifying therapies for the benefit of people with cardiovascular diseases which are the world’s leading cause of death,” says Marcus Schindler, chief scientific officer, EVP Research and Early Development at Novo Nordisk.

Photo of Marcus Schindler: Novo Nordisk