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AstraZeneca COVID-19 vaccine comes beneath scrutiny once more, this time in India

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A participant in AstraZeneca’s COVID-19 vaccine trial in India claims he had an hostile response after receiving a shot of the coronavirus vaccine that’s in late-stage testing, including to a listing of current woes for the British drugmaker’s experimental immunization.

The Indian Council of Medical Analysis (ICMR), India’s medical analysis regulator, is aiding an inquiry into the participant’s allegation however told Reuters on Sunday there’s presently “no instant reason for concern,” nor are there any plans to halt the trial.

The 40-year-old trial participant, who received the vaccine photographs on Oct. 1 at a trial web site in Chennai, India, said he skilled acute “neurological and psychological” negative effects after he acquired the vaccine. He’s looking for 50 million rupees—round $676,000—in compensation. The person additionally called for the testing, manufacturing, and distribution of the AstraZeneca vaccine to be “stopped instantly.”

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The Serum Institute of India, the vaccine producer operating the AstraZeneca vaccine trials in India, mentioned in a statement to India’s Financial Instances that there’s “completely no correlation” between the person’s situation and the vaccine trial. It known as the person’s allegations “malicious and misconceived” and mentioned it will search round $13.5 million in damages for the allegations.

The Serum Institute has already produced millions of doses of AstraZeneca’s vaccine.

The ICMR, the Serum Institute, AstraZeneca, and the Oxford Vaccine Group, which developed the vaccine with AstraZeneca, didn’t instantly reply to Fortune’s requests for remark.

AstraZeneca skilled a late-stage trial hiccup in September when it halted scientific trials throughout the globe due to a suspected hostile response in a U.Ok.-based trial participant.

The vaccine’s trials within the U.Ok. resumed on Sept. 12, 4 days after the suspension, following security reviewers’ affirmation that it was secure to take action; the Serum Institute acquired approval to renew trials on Sept. 16; U.S. trials resumed in October.

The India trial participant’s allegations comply with final week’s criticism of AstraZeneca for a perceived lack of transparency in its scientific trial evaluation.

On Nov. 23, AstraZeneca announced that an early evaluation of its late-stage scientific trial knowledge confirmed its COVID-19 vaccine candidate was both 62% or 90% efficient, relying on how the doses had been administered to individuals. AstraZeneca’s announcement adopted COVID-19 vaccine trial outcomes from Pfizer and Moderna, which had each reported efficacy charges of 90% and up.

AstraZeneca’s outcomes had been broadly considered optimistic and promising, particularly as a result of its candidate is comparatively low cost and simple to provide and a large portion of its doses are slated to go to low-income nations. It’s additionally simpler to move and retailer than Pfizer’s and Moderna’s vaccines as a result of it doesn’t require ultra-low storage temperatures.

However days after its Nov. 23 information, AstraZeneca and Oxford came under fire for initially omitting some details about the trial outcomes, together with that that the 90% efficacy price was found by mistake, when researchers unintentionally gave a gaggle of individuals half a dose of the vaccine as an alternative of the complete dose.

AstraZeneca defended its outcomes and strategies, saying it used the “highest requirements” and that it will perform additional evaluation.

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