Calculus Capital, the award-winning Enterprise Investment Scheme (EIS) and Venture Capital Trust (VCT) specialist, has invested £2m in Oxford BioTherapeutics (OBT), a clinical-stage oncology company that is developing next-generation cancer treatments. OBT has a strong pipeline of ‘immune-oncology’ (IO) therapies that are intended to provide more targeted, specialised treatment strategies for patients by recruiting the body’s immune system to recognise and attack cancer cells.