En español | Determining an accurate timeline or cost for developing a new medicine is difficult. The 128-month estimate at right is based on a 2016 study by the Tufts Center for the Study of Drug Development in Boston. It is considered the most comprehensive report on the subject to date, though some disagree with aspects of the study.
Year 4 and Beyond
Drug companies manage a medicine like any other product, adjusting the price, creating new promotions, seeking new customers and researching new uses for it. As the patent expiration date gets closer, companies create plans for keeping sales strong after competitors introduce generic versions.
Illustrations by Andrew Roberts