3D human tissue culture is the most promising area for lowering this cost. Unfortunately for many diseases, there are not good animal models. 3D human tissue c

3D human tissue culture is the most promising area for lowering this cost. Unfortunately for many diseases, there are not good animal models. 3D human tissue culture allows for much better laboratory testing of efficacy and side effects. This would allow for better drugs going into clinical trials and better design of clinical trials to show a particular drug's effects.