Twenty years after its launch as a nanomedicines company, Nanobiotix SA of France has secured a major licensing deal enabling it to complete development and commercialise a radioenhancer for use with radiotherapy to treat patients with multiple, difficult cancers. The agreement with Janssen Pharmaceutica NV, part of Johnson & Johnson Inc, was announced on 10 July. It carries potential payments of up to $1.8 billion in development, regulatory and sales milestones as well as royalties on net sales of the product NBTXR3.