has an application to the US Food and Drug Administration (FDA) to obtain emergency use authorization (EUA) for mRNA-1273.222, its BA.4/BA.5 Omicron-targeting bivalent booster vaccine for Covid-19.
The submission is made for a 50碌g booster dose of the vaccine for usage in adults aged 18 years and above.
mRNA-1273.222 acts on the SARS-CoV-2 virus鈥� initial strain and the Omicron鈥檚 subvariants BA.4/BA.5.
The company filed the EUA application based on preclinical findings and results obtained from a Phase II/III clinical trial of mRNA-1273.214, a bivalent booster candidate targeting the subvariant Omicron BA.1.
According to the findings, the trial of mRNA-1273.214 met all primary endpoints.
As against a 50碌g booster dose of mRNA-1273 in priorly uninfected subjects, mRNA-1273.214 demonstrated superior neutralising antibody response against Omicron BA.1 subvariant.
Irrespective of previous infection or age, the vaccine also showed neutralising antibody responses against the BA.4 and BA.5 Omicron subvariants versus the booster dose of mRNA-1273 authorised currently.
The mRNA-1273.222 vaccine was developed by in line with the guidance from the regulatory agency for developing a bivalent shot targeting BA.4/BA.5.
At present, a Phase II/III trial of mRNA-1273.222 is progressing.
The company has quickly scaled up the vaccine production to prepare for supply in September on obtaining an authorisation.
Moderna CEO St茅phane Bancel said: 鈥淲e have worked closely with the FDA to ensure that Americans will have access to Moderna鈥檚 updated, bivalent booster, which, if authorised, may offer higher, broader and more durable protection against Covid-19 compared to the currently authorised booster
鈥淢oderna鈥檚 mRNA platform has enabled us to develop, study, and deploy bivalent booster vaccine candidates that demonstrate superior protection against all tested Covid variants in record time.鈥�
The latest development comes after the UK Medicines and Healthcare products Regulatory Agency (MHRA) granted conditional authorisation for聽mRNA-1273.214 in adults aged 18 years and above.
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