Over an extended kinetic, high and medium concentrations of one time CBD (CBDH) tended to stunt spheroid growth in comparison to control, (686% and over 700% less growth). Low concentrations of one time CBD (CBDL) had a lessened effect on spheroid growth, (556% less growth). Classic chemotherapy combined with CBD contributed to a decreased overall spheroid growth, and even shrinkage with one time CBDL (34% shrinkage versus 84% growth in C/T group) over an extended kinetic. Chronic CBDH administration resulted in greater than 7500% less growth by day 10. Chronic CBDL in combination with C/T resulted in a 99% less growth in comparison to C/T by day 6. One time CBD administration with Panobinostat (Pano) decreased the amount of growth over a shorter kinetic (18% and 2% shrinkage for Pano/CBDL and Pano/CBDM, respectively, versus 13% growth for Pano). With the application of chronic CBD, Pano and CBD resulted in shrinkage early on and even 100% lysis of 3D OC by day 10.
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