Spatial Interactions of Immune Cells as Potential Predictors to Efficacy of Toripalimab plus Chemotherapy in Locally Advanced or Metastatic Pancreatic Ductal Adenocarcinoma: A Phase Ib/II Trial

This Phase Ib/II study evaluated the safety and efficacy of combining toripalimab with the gemcitabine plus nab-paclitaxel regimen as first-line treatment for locally advanced or metastatic PDAC and explored predictive biomarkers.