Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity (e.g. doxorubicin), biologic therapy, or immunotherapy within days prior to enrollment and/or daily or weekly chemotherapy (e.g. sunitinib, sorafenib and pazopanib) without the potential for delayed toxicity within days prior to enrollment Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to study day , or daily or weekly chemotherapy without the potential for delayed toxicity within days prior to study day Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to study enrollment and/or daily or weekly chemotherapy without the potential for delayed toxicity within days prior to study enrollment Has had any major surgery, extensive radiotherapy, or anti-cancer therapy (e.g., chemotherapy with delayed toxicity, biologic therapy, or immunotherapy) within days prior to enrolment and/or daily or weekly chemotherapy without the potential for delayed toxicity within days prior to enrolment. Prolonged immobilization must have resolved prior to enrolment. Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to enrollment and/or daily or weekly chemotherapy without the potential for delayed toxicity within days prior to enrollment Any major surgery, extensive radiotherapy (> days of treatment), chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to first dose of study treatment and/or daily or weekly chemotherapy without the potential for delayed toxicity within days prior to first dose of study treatment Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days of enrollment and/or daily or weekly chemotherapy without the potential for delayed toxicity within days of enrollment Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to randomization and/or daily or weekly chemotherapy without the potential for delayed toxicity within days prior to randomization All patients must have completed any prior chemotherapy, targeted therapy and major surgery, >= days before study entry; for daily or weekly chemotherapy without the potential for delayed toxicity, a washout period of days may be acceptable, and questions related to this can be discussed with study principal investigator Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to enrollment and/or daily or weekly chemotherapy with the potential for delayed toxicity within days prior to enrollment Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to randomization and/or daily or weekly chemotherapy or other approved anti-myeloma therapy without the potential for delayed toxicity within days prior to registration Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to study registration, and/or daily or weekly chemotherapy without the potential for delayed toxicity within days prior to registration Prior treatment with: BRAF and/or MEK inhibitor(s); anti-cancer therapy (e.g., chemotherapy with delayed toxicity, immunotherapy, biologic therapy or chemoradiation) within days or prior nitrosourea or mitomycin C containing therapy within days prior to enrollment and/or prior daily or weekly chemotherapy or biologic therapy without the potential for delayed toxicity within days prior to enrolment or prior nvestigational drug(s) within days or half-lives, whichever is longer, prior to enrollment Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to randomization; daily or weekly chemotherapy (with the exception of hydroxyurea) without the potential for delayed toxicity within days prior to randomization unless there is evidence of rapidly progressive disease Any major surgery or extensive radiotherapy (except that which is required for definitive treatment of primary uveal melanoma), chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to initiation of study therapy Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to Study Day (Parts and ) or randomization (Part ), or daily or weekly chemotherapy without the potential for delayed toxicity within days prior to Study Day (Parts and ) or randomization (Part ). Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to randomization and/or daily or weekly chemotherapy without the potential for delayed toxicity within days prior to randomization Prior treatment with: anti-cancer therapy (e.g., chemotherapy with delayed toxicity, immunotherapy, biologic therapy or chemoradiation) within days (or within days if prior nitrosourea or mitomycin C containing therapy) prior to enrollment and/or daily or weekly chemotherapy without the potential for delayed toxicity within days prior to enrolment. Subjects may remain on luteinizing hormone releasing hormone (LHRH) agonists (i.e., leuprolide, goserelin, triptorelin or histrelin). Subjects must have prior enzalutamide treatment; Any PIK, AKT or mammalian target of rapamycin (mTOR) inhibitors; Investigational drug(s) within days or half-lives, whichever is longer, prior to enrollment Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy must not be given within days prior to study enrollment; for daily or weekly chemotherapy without the potential for delayed toxicity, a washout period of days prior to enrollment may be acceptable, and questions related to this can be discussed with study principal investigator Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days prior to enrollment Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within days of enrollment and/or daily or weekly chemotherapy without the potential for delayed toxicity within days of enrollment