COLAR: open-label clinical study of IL-6 blockade with tocilizumab for the treatment of immune checkpoint inhibitor-induced colitis and arthritis ================================================================================================================================================= * Rikke Boedker Holmstroem * Ole Haagen Nielsen * Søren Jacobsen * Lene Buhl Riis * Susann Theile * Jacob Tveiten Bjerrum * Peter Vilmann * Julia Sidenius Johansen * Mogens Karsbøl Boisen * Rikke Helene Løvendahl Eefsen * Inge Marie Svane * Dorte Lisbet Nielsen * Inna Markovna Chen