The conventional pathway of drug development has been successful for many years and is still a viable model/ framework to develop medicines for certain diseases. It is now generally accepted however, that the hugely increasing cost of drug development has not been reflected in a similarly large increase in the number of new medicines.
Additional techniques and approaches need to be explored to expand the range of methods available to develop new medicines. Some of the issues facing drug development include:
There are various ways that industry, regulators and academia are working to try and remedy this situation: