Global Health Press

Bharat Biotech’s Covid-19 vaccine shows 100% efficacy in study

Bharat Biotech has reported that interim analysis results from the Phase III trial of its Covid-19 vaccine COVAXIN showed a 100% efficacy against severe SARS-CoV-2 infection and has an impact on the drop in hospitalisations.

Developed by the company with seed strains received from the Indian Council of Medical Research’s (ICMR) National Institute of Virology, COVAXIN is a highly purified and inactivated vaccine.

The Phase III study had 25,800 subjects aged 18 to 98 years, including 10% aged above 60 years.

Bharat Biotech noted that the first occurrence of PCR-confirmed symptomatic (mild, moderate or severe) Covid-19 in 14 days on receiving the second vaccine in healthy adults at baseline, formed the trial’s primary endpoint.

The second interim analysis is based on accruing over 87 symptomatic Covid-19 cases. However, owing to the current surge in cases, 127 symptomatic cases were reported, providing a point estimate of vaccine efficacy of 78% against mild, moderate and severe disease.

Furthermore, a 70% efficacy against asymptomatic Covid-19 was observed indicating reduced transmission in individuals receiving COVAXIN.

Safety and efficacy results from the final analysis will be available in June and the final report will be submitted to a peer-reviewed publication.

Based on the achievement of the success criteria, placebo recipients have now become eligible to receive two doses of COVAXIN.

Source: Pharmaceutical Technology

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