
This phase 1/2 trial assessed HER2 BATs combined with pembrolizumab in metastatic breast cancer, finding the regimen safe and well tolerated with stable disease as the best response in 17 evaluable patients.

This phase 1/2 trial assessed HER2 BATs combined with pembrolizumab in metastatic breast cancer, finding the regimen safe and well tolerated with stable disease as the best response in 17 evaluable patients.