India’s first Omicron-specific mRNA booster vaccine:GEMCOVAC-OM
India’s Department of Biotechnology (DBT) has announced the approval of Pune-based Gennova Biopharmaceuticals for emergency use authorization from the Drugs Controller General of India (DCGI) for its mRNA COVID-19 booster vaccine, GEMCOVAC-OM. The vaccine, designed specifically against the Omicron variant of SARS-CoV2, has shown promising results in phase 3 clinical trials, indicating its potential to prevent future waves of the pandemic.
With the emergence of the Omicron variant of SARS-CoV2 and the limited efficacy shown by original vaccines against this lineage, a booster dose has become essential. GEMCOVAC-OM is specifically designed to counter the Omicron variant and is expected to address the gap left by existing vaccines.
The launch of GEMCOVAC-OM is expected within the next two to three weeks, with New Delhi being the initial location for the vaccine’s introduction. The cost and anticipated demand for the vaccine will be announced during this launch. Currently, 1.2 million booster doses are available at the Central Drugs Laboratory (CDL) in Kasauli, which oversees the national regulations for domestically produced vaccines.
GEMCOVAC-OM can be safely administered as a booster dose to individuals aged 18 and older who have already received two doses of either Covaxin or Covishield. The vaccine is stable at 2-8 °C and is in a lyophilized (freeze-dried) form. It is delivered intradermally using the Tropis device developed by PharmaJet, USA.
The DBT has played a crucial role in establishing Gennova’s mRNA-based next-generation vaccine manufacturing, from proof of concept to Phase I clinical trials for the prototype mRNA-based vaccine against the Wuhan strain. The project received further support through the Mission COVID Suraksha initiative for clinical development and scale-up of the prototype vaccine. The platform technology developed through this initiative has now been utilized to create an Omicron-specific booster vaccine for COVID-19.
Gennova Biopharmaceuticals is the third company globally, after Moderna and Pfizer, and the first in India, to develop an mRNA COVID-19 booster vaccine against the highly transmissible Omicron variant. Dr Singh emphasized that the mRNA platform provides a rapid response capability for developing vaccines to counter any future variants of concern. Gennova’s mRNA vaccine technology was developed in collaboration with the Department of Biotechnology, Government of India.
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