The Phase III trials are done. What is currently "open" is follow-ups with the study arms. This is how all Phase III trials work in the pharmaceutical industry.
And you can look up every single one of these studies.
Here is Pfizer's BionNTech COVID-19 vaccine status:
https://clinicaltrials.gov/ct2/show/NCT04713553
And pay attention to the History of Changes section if you want to find anything interesting:
The Phase III trials are done. What is currently "open" is follow-ups with the study arms. This is how all Phase III trials work in the pharmaceutical industry.
And you can look up every single one of these studies.
Here is Pfizer's BionNTech COVID-19 vaccine status:
https://clinicaltrials.gov/ct2/show/NCT04713553
And pay attention to the History of Changes section if you want to find anything interesting:
https://clinicaltrials.gov/ct2/history/NCT04713553
(post is archived)