1 INDICATIONS AND USAGE Bortezomib for injection is a proteasome inhibitor indicated for: treatment of adult patients with multiple myeloma (1.1 ) treatment of adult patients with mantle cell lymphoma who have received at least 1 prior therapy (1.2) 1.1 Multiple Myeloma Bortezomib for injection is indicated for the treatment of adult patients with multiple myeloma. 1.2 Mantle Cell Lymphoma Bortezomib for injection is indicated for the treatment of adult patients with mantle cell lymphoma who have received at least 1 prior therapy.