Phase 3 Study of the Bruton’s Tyrosine Kinase (BTK) Inhibitor, Ibrutinib, in Combination With Rituximab Versus Placebo in Combination With Rituximab in Treatment Naïve Subjects With Follicular Lymphoma The purpose of this study is to evaluate whether the addition of ibrutinib will result in prolongation of progression-free survival (PFS) when compared with rituximab alone in treatment naïve subjects with follicular lymphoma. Learn More Study of Ibrutinib and Rituximab in Treatment Naïve Follicular Lymphoma The purpose of this study is to evaluate whether the addition of ibrutinib will result in prolongation of progression-free survival (PFS) when compared with rituximab alone in treatment naïve subjects with follicular lymphoma. Learn More