Fig. 1: Immunotherapy trial landscape in breast cancer.
From: Immunotherapy in breast cancer: an overview of current strategies and perspectives

Panels A–C show the number of clinical trials in breast cancer since early 2000, by immunotherapeutic approach (A), by trial setting (B), and by trial phase (C). Panel D shows the major immune targets. Only targets present in two or more trials are represented. The complete list of targets is available in online Supplementary Table 1. Panel E shows the histogram of combination trials with PD-1/PD-L1 ICI backbone. ADC antibody-drug conjugates, ICI immune checkpoint inhibitors, mAbs monoclonal antibodies, Neo-adj neoadjuvant.