A US academic study has identified the importance of follow-on drugs to the World Health Organization's (WHO) Essential Drug List (EDL). The report, which was published by Tufts University's Center for the Study of Drug Development (CSDD), suggested that the significant number of follow-on drugs on the EDL reflected the reliance on them by the WHO and by clinicians worldwide1.
According to the study, follow-on drugs account for the majority of medicines on the EDL, and play an important role on the list. Of 240 drugs on the WHO EDL,...