%0 Journal Article %T Safety and Efficacy of Palbociclib and Radiation Therapy in Patients With Metastatic Breast Cancer: Initial Results of a Novel Combination %A Akansha Chowdhary %A Dian Wang %A Kirtesh R. Patel %A Lydia Usha %A Melody A. Cobleigh %A Neilayan Sen %A Parul N. Barry %A Ruta D. Rao %J Archive of "Advances in Radiation Oncology". %D 2019 %R 10.1016/j.adro.2019.03.011 %X Palbociclib is a selective cyclin-dependent kinase 4/6 inhibitor approved for metastatic ER+/HER2- breast cancer. Preclinical evidence suggests a possible synergistic effect of palbociclib when combined with radiation therapy (RT); however, the toxicity of this pairing is unknown. We report preliminary results on the use of this combination %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6639750/