What clinical holds and pauses mean for COVID-19 countermeasure timelines

Three high-profile COVID-19 trials are now temporarily halted after potential safety issues were flagged by independent Data and Safety Monitoring Boards, but whether sponsors will need to wait for the green light from regulators to resume will depend on whether the regulators decide to put those trials on official hold.

So far, only one of the programs has been placed on an official hold. ...