A Ratio of toxicity and viability determined in pancreatic cancer-derived organoids from two patients ((left) PDO-42 and (right) PDO-48) treated as indicated for 3 (PDO-42) or 5 (PDO-48) days. Significant differences are shown for the comparison between single and combined drug treatments as indicated (NEN 1.2 µM or 2.5 µM, Amitriptyline (Ami, A), Imipramine (Imi, I), Desipramine (Desi, D), each 30 µM, Clomipramine (Clomi, C) 20 µM). Data information: data are presented as mean (SD) (N=3) and were analyzed by a one-way ANOVA with Tukey post-hoc test.* p< 0.05; ** p< 0.01;*** p< 0.001; **** p < 0.0001. 