Intra-arterial Chemotherapy in Patients With Metastatic Breast Cancer: A Scoping Review.

Breast cancer is a common malignancy in women, and the survival rate for this cancer is low once it metastasized. Currently, chemotherapy is the first-line treatment for metastatic breast cancer (MBC). However, when liver metastases (LM) are present, the response to chemotherapy is poor. Regional intra-arterial chemotherapy (RIAC) delivers a high concentration of anticancer drugs to the malignant tissue, which improves the survival rate of patients with LM. It also decreases systemic side effects associated with chemotherapy. RIAC leads to higher remission rates because it directly targets the affected area. When RIAC is used alongside systemic chemotherapy, tumor resistance is decreased, increasing the rates of remission. This review aims to introduce the use of RIAC in patients with MBC. RIAC is a relatively new therapy in interventional oncology, and thus, limited research is currently available.

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The authors have declared that no competing interests exist.