The AstraZeneca US phase 3 trial took about 7 months. https://clinicaltrials.gov/ct2/show/NCT04516746 https://clinicaltrials.gov/ct2/show/NCT04516746 In this

The AstraZeneca US phase 3 trial took about 7 months. https://clinicaltrials.gov/ct2/show/NCT04516746 https://clinicaltrials.gov/ct2/show/NCT04516746 In this case, US regulators took issue with the company's press release, rather than the results of the trial itself.