Summary
The main purpose of this study is to learn about the safety of REGN5458 and to find out
what is the best dose of REGN5458 to give to patients with multiple myeloma. An
additional purpose is to look for any signs that REGN5458 can treat cancer.
The study is looking at several other research questions, including:
- Side effects that may be experienced by people receiving REGN5458
- How REGN5458 works in the body
- How much REGN5458 is present in the blood
- How REGN5458 may work to treat cancer