Bayer today announced that the Phase III study CHRONOS-3 evaluating copanlisib in combination with rituximab in patients with relapsed indolent non-Hodgkin's Lymphoma (iNHL), which included patients with follicular lymphoma, marginal zone lymphoma, small lymphocytic lymphoma and lymphoplasmacytoid lymphoma/Waldenström macroglobulinemia, has met its primary endpoint of significantly prolonging progression-free survival (PFS).