Effect of Patient Education on Reported Bone Pain in Breast Cancer Patients Receiving Chemotherapy and Pegfilgrastim

In this study, the effect of patient education on reported bone pain in breast cancer patients receiving adjuvant or neoadjuvant chemotherapy and pegfilgrastim will be investigated. Each patient will receive adjuvant or neoadjuvant chemotherapy with pegfilgrastim prophylaxis, beginning in the first cycle and continuing throughout the study period. The study period for this study is the first 4 cycles of chemotherapy. participants can be planning to receive regimens with \> 4 cycles, but data will only be collected for the first 4 cycles. The choice of chemotherapy regimen (agent, dose, and schedule) is at the discretion of the treating physician. Commercially available pegfilgrastim will be administered according to US Prescribing Information and is considered background therapy.