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AstraZeneca halts COVID-19 trial after participant falls ill

10/09/2020

AstraZeneca halts COVID-19 trial after participant falls ill

British-Swedish pharmaceutical company AstraZeneca’s large-scale human COVID-19 vaccine trial has been paused after one of the participants developed an unexplained illness.


A spokesperson for AstraZeneca said the pause is “routine” and occurred when the firm’s standard review process was triggered. An independent committee will now review safety data pertaining to the trial.


AstraZeneca stressed that an adverse reaction was only witnessed in one study participant, and that pausing trials was a common part of the vaccine development process.


No details have been released about the nature of the participant’s illness, but it has been reported that the individual is expected to recover.


Right now, all trials of the joint AstraZeneca-University of Oxford developed vaccine, AZD1222, have been halted worldwide, including in the United States, UK, Brazil, South Africa, and India. AZD1222 is one of three COVID-19 vaccines in late-stage Phase 3 trials in the United States.


AstraZeneca and eight other drug makers have said they will not seek approval from US government regulators for any vaccine until all data showed it was safe and effective.


All of the companies, which include Johnson & Johnson, Merck & Co, GlaxoSmithKline, Novavax Inc, Sanofi and BioNTech, said “the safety and well-being of vaccinated individuals” was their top priority.


 

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