CHINA CanSinoBIO's COVID-19 mRNA vaccine receives approval for clinical trial application in China


CanSinoBIO's COVID-19 mRNA vaccine receives approval for clinical trial application in China

Global Times

12:14, April 04, 2022

CanSinoBIO's vaccine Photo: VCG

Photo: VCG

Chinese vaccine developer CanSinoBIO's COVID-19 mRNA vaccine has received approval for clinical trial application in China, the company announced on Monday, an encouraging step for domestic mRNA vaccine R&D amid the recent infection wave across China.

Pre-clinical trial results showed that CanSinoBIO's COVID-19 mRNA vaccine can induce high-titer neutralizing antibody levels against multiple SARS-CoV-2 variants of concern (VOC) identified by the World Health Organization (WHO), including the Omicron variant, a highly transmissible and dominant strain circulating in China and globally.

Additionally, results showed that CanSinoBIO's mRNA vaccine can induce neutralizing antibodies with greater cross-reactivity against global VOCs and provide stronger protection against infections caused by the circulating variants, compared to the original strain-based COVID-19 vaccines, the Global Times learned from the producer.

The clinical trial application of CanSinoBIO's COVID-19 mRNA vaccine was filed by the producer and its subsidiary CanSino Shanghai. Established in July 2021, CanSino Shanghai is focused on developing an mRNA technology platform.

Compared with traditional vaccine technology platforms, the mRNA technology platform has significant advantages in the R&D process and production cycles, including fast, scalable and uniform production.

As COVID-19 cases sprouted in several Chinese provinces and cities like Shanghai, Jilin and Beijing, calls for quicker R&D and wider approval of new generation vaccines against variants, such as mRNA vaccine, increased among health experts.

At least eight Chinese domestic vaccine developers including Sinopharm are focusing on the mRNA shots, most of which are in the clinical trials stage.

Omicron-specific shots and nasal spray vaccines are also being developed in China.

The inhaled booster vaccine developed by CanSinoBIO elicited a potent immune response against the Omicron variant after inactivated COVID-19 vaccine priming, according to data published in the preprint server medRvix on March 10.

The findings suggest that aerosolized Ad5-nCoV may provide a more efficient alternative in response to the spread of the Omicron variant, said the paper.

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