University of Pennsylvania, Philadelphia, PA, USA.
Boston University, Boston, MA, USA.
Science. 2021 Dec 3;374(6572):1205-1207. doi: 10.1126/science.abk3495. Epub 2021 Dec 2.
Reform requires clarity about whether, when, and how meaningful postapproval trials are possible.
改革需要明确在何时以及如何进行有意义的批准后试验。