<prompt> All the following drugs are used in the treatment of metastatic breast cancer except:IxabepiloneAbemaciclibRibociclibSunitinib  <response>: Sunitinib is a novel oral multitargeted tyrosine kinase inhibitor with antitumor and antiangiogenic activities. It was recently approved in first-line treatment for patients with advanced renal cell carcinoma RCC and for the treatment of patients with gastrointestinal stromal tumors GIST. Ixabepilone: Antimicrotubule inhibitorM Phase : use for breast cancer Abemaciclib and Ribocilib: CDK-4 and CDK-6 inhibitor use in breast cancer 