Freedom of Information request on the main efficacy and safety results for the Phase I, II and III trials for all authorised vaccines have been submitted to MHRA (FOI 21-815)
Published 27 April 2022
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2nd August 2021 FOI 21/815
Dear
Thank you for your email.
The main efficacy and safety results for the Phase I, II and III trials for all authorised vaccines have been submitted to MHRA, sufficient that these vaccines can be authorised for use in the patient populations stated in the Information for Healthcare Professionals/Summary of Product Characteristics for each vaccine. These studies are currently ongoing to follow-up vaccine recipients to collect additional safety data, in the same way that all clinical trials for new medicines follow up their study subjects after the main results of the studies have been reported. Other studies that are currently in progress are either for cohorts/subpopulations of recipients or to investigate different regimens (such as giving different brands of vaccine for the first and second doses).
If you have a query about the information provided, please reply to this email
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Yours sincerely
MHRA Customer Service Centre
Medicines and Healthcare products Regulatory Agency 10 South Colonnade, Canary Wharf, London E14 4PU