A disease registry study to prospectively observe treatment patterns and outcomes in patients with HER2+ unresectable locally advanced or metastatic breast cancer (aBC): Interim results of the ESTHER study (NCT02393924).
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: A disease registry study to prospectively observe treatment patterns and outcomes in patients with HER2+ unresectable locally advanced or metastatic breast cancer (aBC): Interim results of the ESTHER study (NCT02393924). ### Output: 