Biotechnology M&A activity continued to feature in last week’s news, with US healthcare giant Johnson & Johnson announcing a $2 billion acquisition of antibody-conjugate (ADC) developer Ambrx Biopharma and its candidate ARX517. Also, pharma giant Merck & Co revealed a $680 million bid for fellow USA-based Harpoon Therapeutics to expand its oncology pipeline with HPN328. In other news, US pharma major AbbVie announced the launch in Europe of its new Parkinson’s disease treatment Produodopa. USA-based Xeris Biopharma entered into a technology licensing deal with biotech giant Amgen related to the development of Tepezza. 14 January 2024