Biotechnology SpringWorks Therapeutics has joined forces with UK major GlaxoSmithKline to evaluate SpringWorks’ investigational gamma secretase inhibitor (GSI), nirogacestat, in combination with GSK’s investigational anti-B-cell maturation antigen (BCMA) antibody-drug conjugate (ADC), belantamab mafodotin (formerly GSK2857916), in patients with relapsed or refractory multiple myeloma. 27 June 2019