Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Probability density plot of time to start-up activities from n=19 sites. Time from regulatory packet completion (blue) was measured from the date that the regulatory packet was sent. The remainder of milestones shown were measured starting from the date that the clinical trial agreement (CTA) was sent. The dashed lines represent the median time for each milestone. Abbreviations: CTA: Clinical trial agreement.
