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Pfizer seeks emergency use authorisation for its COVID-19 vaccine in India

The firm, in its application submitted to the drug regulator, has sought permission to import the vaccine for sale and distribution in the country, besides waiver of clinical trials

December 06, 2020 / 09:49 IST

Pfizer India has become the first pharmaceutical firm to seek from the Drugs Controller General of India (DCGI) an emergency use authorisation for its COVID-19 vaccine in the country, after its parent company secured such clearance in the UK and Bahrain.

The firm, in its application submitted to the drug regulator, has sought permission to import the vaccine for sale and distribution in the country, besides waiver of clinical trials on Indian population in accordance with the special provisions under the New Drugs and Clinical Trials Rules, 2019, official sources said.

"Pfizer India has submitted an application on December 4 to the DCGI seeking emergency use authorization (EUA) for its COVID-19 vaccine in India. The firm has submitted the EUA application in Form CT-18 for grant of permission to import and market Pfizer-BioNTech's COVID-19 mRNA vaccine BNT162b2 in the country," the source said, citing the application.

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COVID-19 Vaccine

Frequently Asked Questions

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How does a vaccine work?

A vaccine works by mimicking a natural infection. A vaccine not only induces immune response to protect people from any future COVID-19 infection, but also helps quickly build herd immunity to put an end to the pandemic. Herd immunity occurs when a sufficient percentage of a population becomes immune to a disease, making the spread of disease from person to person unlikely. The good news is that SARS-CoV-2 virus has been fairly stable, which increases the viability of a vaccine.

How many types of vaccines are there?

There are broadly four types of vaccine — one, a vaccine based on the whole virus (this could be either inactivated, or an attenuated [weakened] virus vaccine); two, a non-replicating viral vector vaccine that uses a benign virus as vector that carries the antigen of SARS-CoV; three, nucleic-acid vaccines that have genetic material like DNA and RNA of antigens like spike protein given to a person, helping human cells decode genetic material and produce the vaccine; and four, protein subunit vaccine wherein the recombinant proteins of SARS-COV-2 along with an adjuvant (booster) is given as a vaccine.

What does it take to develop a vaccine of this kind?

Vaccine development is a long, complex process. Unlike drugs that are given to people with a diseased, vaccines are given to healthy people and also vulnerable sections such as children, pregnant women and the elderly. So rigorous tests are compulsory. History says that the fastest time it took to develop a vaccine is five years, but it usually takes double or sometimes triple that time.

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The UK on Wednesday became the first country to approve the Pfizer/BioNTech vaccine against COVID-19, with the UK regulator Medicines and Healthcare products Regulatory Agency (MHRA) granting a temporary authorisation for its emergency use.

The British regulator said the jab, which claims to offer up to 95 percent protection against COVID-19, is safe for roll-out.

Bahrain on Friday also announced that it has granted an EUA for the two-dose vaccine made by Pfizer and its German partner BioNTech. The pharma company has already applied to the US FDA seeking EUA for the vaccine.

The extreme low temperature of minus 70 degrees Celsius required for storing the vaccine poses a big challenge for its delivery in a country like India, especially in its smaller towns and rural areas where maintaining such cold chain facilities would be very difficult, top government officials have said.

When contacted, Pfizer said it remains committed to engaging with the Government of India and explore opportunities to make this vaccine available for use in the country.

Check here for the latest updates on all COVID-19 vaccines

"During this pandemic phase, Pfizer will supply this vaccine only through government contracts based on agreements with respective government authorities and following regulatory authorisation or approval," the global pharma major said in a statement.

Five vaccines are in advanced phases of clinical trials in India with the Serum Institute of India conducting phase-3 trial of the Oxford-Astrazeneca COVID-19 vaccine, while the indigenously developed vaccine by Bharat Biotech in collaboration with ICMR has already started the phase-3 clinical trial.

Drug firm Zydus Cadila has received the approval from the DCGI to start the phase-3 clinical trials of the indigenously-developed anti-coronavirus vaccine.

Dr Reddy's Laboratories and the Russian Direct Investment Fund (RDIF) have announced that they commenced adaptive phase 2 and 3 clinical trials for COVID-19 vaccine Sputnik V in India, Also, Biological E. Ltd has started early phase 1 and 2 human trials of its COVID-19 vaccine candidate.

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PTI
first published: Dec 6, 2020 07:59 am

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