Addition of autologous stem-cell transplantation to an ibrutinib-containing first-line treatment in patients aged 18–65 years with mantle cell lymphoma (TRIANGLE): 4·5-year follow-up of a three-arm, randomised, open-label, phase 3 superiority trial of the European MCL Network

Background: Adding ibrutinib to standard, first-line immunochemotherapy improves failure-free survival in adult patients aged 18-65 years with mantle cell lymphoma, according to the first results from the TRIANGLE trial. With prolonged follow-up, we investigated whether the addition of autologous st