This phase II trial compares the combination of selinexor, daratumumab and hyaluronidase-fihj (daratumumab), velcade (bortezomib), and dexamethasone (Dara-SVD) to the usual treatment of daratumumab, lenalidomide, bortezomib, and dexamethasone (Dara-RVD) in treating patients with high-risk newly diagnosed multiple myeloma. Selinexor is in a class of medications called selective inhibitors of nuclear export (SINE). It works by blocking a protein called CRM1, which may keep cancer cells from growing and may kill them. Daratumumab is in a class of medications called monoclonal antibodies. It binds to a protein called CD38, which is found on some types of immune cells and cancer cells, including myeloma cells. Daratumumab may block CD38 and help the immune system kill cancer cells. Bortezomib blocks several molecular pathways in a cell and may cause cancer cells to die. It is a type of proteasome inhibitor and a type of dipeptidyl boronic acid. Dexamethasone is in a class of medications called corticosteroids. It is used to reduce inflammation and lower the body's immune response to help lessen the side effects of chemotherapy drugs. Lenalidomide is in a class of medications called immunomodulatory agents. It works by helping the bone marrow to produce normal blood cells and by killing abnormal cells in the bone marrow. The drugs daratumumab, lenalidomide, bortezomib, dexamethasone and selinexor are already approved by the Food and Drug Administration for use in myeloma. But selinexor is not used until myeloma comes back (relapses) after initial treatment. Giving selinexor in the initial treatment may be a superior type of treatment for patients with high-risk newly diagnosed multiple myeloma.
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Deep clinical response
Timeframe: Up to the end of cycle 4 (each cycle = 28 days)