According to a study conducted by researchers from University of California, the Burnham Institute for Medical Research and the University of Copenhagen Hospital, anti-inflammatory drugs that are already in the market for the treatment of arthritis are also effective in treating a chemotherapy-resistant form of lymphoma. The research focused on a type of non-Hodgkin lymphoma called diffuse large B-cell lymphoma discovered that anti-inflammatory drugs, etanercept and infliximab, used for arthritis shrank lymphoma tumors in mice.