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COVAXIN, BBV 152

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COVAXIN

CAS 2501889-19-4

  • Whole-Virion Inactivated SARS-CoV-2 Vaccine
  • UNII76JZE5DSN6
  • BBV 152
  • A whole virion inactivated COVID-19 vaccine candidate derived from SARS-CoV-2 strain NIV-2020-770

REF

medRxiv (2020), 1-21.

bioRxiv (2020), 1-32.

BBV152 (also known as Covaxin) is an inactivated virus-based COVID-19 vaccine being developed by Bharat Biotech in collaboration with the Indian Council of Medical Research.

BBV152 is a vaccine candidate created by the Indian Council of Medical Research (ICMR). The candidate, a whole virion inactivated SARS-CoV-2 vaccine, was developed from a well-known SARS-CoV-2 strain and a vero cell platform (CCL-81) with adjuncts of either aluminum hydroxide gel (Algel) or a novel TLR7/8 agonist adsorbed gel. The components of the vaccine include BBV152A, BBV152B, and BBV152C. Animal studies in mice, rats, and rabbits reported BBV152 immunogenicity at two separate antigen concentrations with both types of adjuvants. The formulation with the TLR7/8 adjuvant specifically induced significant Th1 biased antibody responses and increased SARS-CoV-2 lymphocyte responses. Thus, as of July 2020, BBV152 is in Phase 1/2 clinical trials assessing safety and immunogenicity in humans (NCT04471519).

Clinical research

Phase I and II trials

In May 2020, Indian Council of Medical Research’s (ICMR‘s) National Institute of Virology approved and provided the virus strains for developing a fully indigenous COVID-19 vaccine.[1][2] In June 2020, the company got permission to conduct Phase I and Phase II human trials of a developmental COVID-19 vaccine named Covaxin, from the Drugs Controller General of India (DCGI), Government of India.[3] A total of 12 sites were selected by the Indian Council for Medical Research for Phase I and II randomised, double-blind and placebo-controlled clinical trials of vaccine candidate.[4][5][6]

In December 2020, the company announced the report for Phase I trials and presented the results through medRxiv preprint;[7][8] the report was later published in the The Lancet.[9]

On March 8, 2021, Phase II results were published in The Lancet. The study showed that Phase II trials had a higher immune response and induced T-cell response due to the difference in dosing regime from Phase I. The doses in Phase II were given at 4 weeks interval as opposed to 2 weeks in Phase I. Neutralization response of the vaccine were found significantly higher in Phase II.[10]

Phase III trials[edit]

In November 2020, Covaxin received the approval to conduct Phase III human trials[11] after completion of Phase I and II.[12] The trial involves a randomised, double-blinded, placebo-controlled study among volunteers of age group 18 and above and started on 25 November.[13] The Phase III trials involved around 26,000 volunteers from across India.[14] The phase III trials covered a total of 22 sites consisting several states in the country, including DelhiKarnataka and West Bengal.[15] Refusal rate for Phase III trials was much higher than that for Phase I and Phase II. As a result only 13,000 volunteers had been recruited by 22 December with the number increasing to 23,000 by 5 January. [16][17]

As on March 2021, the stated interim efficacy rate for phase III trial is 81%.[18][10]

B.1.1.7 (United Kingdom) variant

In December 2020, a new SARS‑CoV‑2 variantB.1.1.7, was identified in the UK.[19] A study on this variant was carried and preliminary results presented in biorxiv have shown Covaxin to be effective in neutralizing this strain.[20]

Manufacturing

The vaccine candidate is produced with Bharat Biotech’s in-house vero cell manufacturing platform[21] that has the capacity to deliver about 300 million doses.[22] The company is in the process of setting up a second plant at its Genome Valley facility in Hyderabad to make Covaxin. The firm is in talks with other state governments like Odisha[23] for another site in the country to make the vaccine. Beside this, they are also exploring global tie-ups for Covaxin manufacturing.[24]

In December 2020, Ocugen Inc entered a partnership with Bharat Biotech to co-develop Covaxin for the U.S. market.[25][26] In January 2021, Precisa Med entered an agreement with Bharat Biotech to supply Covaxin in Brazil[27]

Emergency use authorisation

 
show  Full authorizationshow  Emergency authorization

See also: COVID-19 vaccine § Trial and authorization status

Bharat Biotech has applied to the Drugs Controller General of India (DCGI), Government of India seeking an emergency use authorisation (EUA).[31] It was the third firm after Serum Institute of India and Pfizer to apply for emergency use approval.[32]

On 2 January 2021, the Central Drugs Standard Control Organisation (CDSCO) recommended permission for EUA,[33] which was granted on 3 January.[34] The emergency approval was given before Phase III trial data was published. This was criticized in some sections of the media.[35][36]

The vaccine was also approved for Emergency Use in Iran and Zimbabwe.[30][29]

References

  1. ^ “ICMR teams up with Bharat Biotech to develop Covid-19 vaccine”Livemint. 9 May 2020.
  2. ^ Chakrabarti A (10 May 2020). “India to develop ‘fully indigenous’ Covid vaccine as ICMR partners with Bharat Biotech”ThePrint.
  3. ^ “India’s First COVID-19 Vaccine Candidate Approved for Human Trials”The New York Times. 29 June 2020.
  4. ^ “Human clinical trials of potential Covid-19 vaccine ‘COVAXIN’ started at AIIMS”DD News. Prasar Bharati, Ministry of I & B, Government of India. 25 July 2020.
  5. ^ Press, Associated (25 July 2020). “Asia Today: Amid new surge, India tests potential vaccine”Washington Post. Retrieved 17 December 2020.
  6. ^ “Delhi: 30-year-old is first to get dose of trial drug Covaxin”The Indian Express. 25 July 2020.
  7. ^ Perappadan, Bindu Shajan (16 December 2020). “Coronavirus | Covaxin phase-1 trial results show promising results”The Hindu. Retrieved 17 December 2020.
  8. ^ Sabarwal, Harshit (16 December 2020). “Covaxin’s phase 1 trial result shows robust immune response, mild adverse events”Hindustan Times. Retrieved 17 December 2020.
  9. ^ Ella, Raches; Vadrevu, Krishna Mohan; Jogdand, Harsh; Prasad, Sai; Reddy, Siddharth; Sarangi, Vamshi; Ganneru, Brunda; Sapkal, Gajanan; Yadav, Pragya; Abraham, Priya; Panda, Samiran; Gupta, Nivedita; Reddy, Prabhakar; Verma, Savita; Rai, Sanjay Kumar; Singh, Chandramani; Redkar, Sagar Vivek; Gillurkar, Chandra Sekhar; Kushwaha, Jitendra Singh; Mohapatra, Satyajit; Rao, Venkat; Guleria, Randeep; Ella, Krishna; Bhargava, Balram (21 January 2021). “Safety and immunogenicity of an inactivated SARS-CoV-2 vaccine, BBV152: a double-blind, randomised, phase 1 trial”The Lancet Infectious Diseasesdoi:10.1016/S1473-3099(20)30942-7PMC 7825810PMID 33485468.
  10. Jump up to:a b Ella, Raches; Reddy, Siddhart; Jogdand, Harsh; Sarangi, Vamsi; Ganneru, Brunda; Prasad, Sai; Das, Dipankar; Dugyala, Raju; Praturi, Usha; Sakpal, Gajanan; Yadav, Pragya; Reddy, Prabhakar; Verma, Savita; Singh, Chandramani; Redkar, Sagar Vivek; Singh, Chandramani; Gillurkar, Chandra Sekhar; Kushwaha, Jitendra Singh; Mohapatra, Satyajit; Mohapatra, Satyajit; Bhate, Amit; Rai, Sanjay; Panda, Samiran; Abraham, Priya; Gupta, Nivedita; Ella, Krishna; Bhargav, Balram; Vadrevu, Krishna Mohan (8 March 2021). “Safety and immunogenicity of an inactivated SARS-CoV-2 vaccine, BBV152: interim results from a double-blind, randomised, multicentre, phase 2 trial, and 3-month follow-up of a double-blind, randomised phase 1 trial”The Lancet Infectious Diseasesdoi:10.1016/S1473-3099(21)00070-0.
  11. ^ “Coronavirus | Covaxin Phase III trial from November”The Hindu. 23 October 2020.
  12. ^ Ganneru B, Jogdand H, Daram VK, Molugu NR, Prasad SD, Kannappa SV, et al. (9 September 2020). “Evaluation of Safety and Immunogenicity of an Adjuvanted, TH-1 Skewed, Whole Virion InactivatedSARS-CoV-2 Vaccine – BBV152”. doi:10.1101/2020.09.09.285445S2CID 221635203.
  13. ^ “An Efficacy and Safety Clinical Trial of an Investigational COVID-19 Vaccine (BBV152) in Adult Volunteers”clinicaltrials.gov(Registry). United States National Library of Medicine. NCT04641481. Retrieved 26 November 2020.
  14. ^ “Bharat Biotech begins Covaxin Phase III trials”The Indian Express. 18 November 2020.
  15. ^ Sen M (2 December 2020). “List of states that have started phase 3 trials of India’s first Covid vaccine”mint.
  16. ^ “70%-80% Drop In Participation For Phase 3 Trials Of Covaxin: Official”NDTV. 17 December 2020.
  17. ^ “Bharat Biotech’s Covaxin given conditional nod based on incomplete Phase 3 trial results data”The Print. 3 January 2021.
  18. ^ Kumar, N. Ravi (3 March 2021). “Bharat Biotech says COVID-19 vaccine Covaxin shows 81% efficacy in Phase 3 clinical trials”The Hindu.
  19. ^ “Inside the B.1.1.7 Coronavirus Variant”The New York Times. 18 January 2021. Retrieved 29 January 2021.
  20. ^ Sapkal, Gajanan N.; Yadav, Pragya D.; Ella, Raches; Deshpande, Gururaj R.; Sahay, Rima R.; Gupta, Nivedita; Mohan, V. Krishna; Abraham, Priya; Panda, Samiran; Bhargava, Balram (27 January 2021). “Neutralization of UK-variant VUI-202012/01 with COVAXIN vaccinated human serum”bioRxiv: 2021.01.26.426986. doi:10.1101/2021.01.26.426986S2CID 231777157.
  21. ^ Hoeksema F, Karpilow J, Luitjens A, Lagerwerf F, Havenga M, Groothuizen M, et al. (April 2018). “Enhancing viral vaccine production using engineered knockout vero cell lines – A second look”Vaccine36 (16): 2093–2103. doi:10.1016/j.vaccine.2018.03.010PMC 5890396PMID 29555218.
  22. ^ “Coronavirus vaccine update: Bharat Biotech’s Covaxin launch likely in Q2 of 2021, no word on pricing yet”http://www.businesstoday.in. India Today Group. Retrieved 13 December2020.
  23. ^ “Odisha fast tracks coronavirus vaccine manufacturing unit”The New Indian Express. 7 November 2020.
  24. ^ Raghavan P (24 September 2020). “Bharat Biotech exploring global tie-ups for Covaxin manufacturing”The Indian Express.
  25. ^ Reuters Staff (22 December 2020). “Ocugen to co-develop Bharat Biotech’s COVID-19 vaccine candidate for U.S.” Reuters. Retrieved 5 January 2021.
  26. ^ “Bharat Biotech, Ocugen to co-develop Covaxin for US market”The Economic Times. Retrieved 5 January 2021.
  27. ^ “Bharat Biotech inks pact with Precisa Med to supply Covaxin to Brazil”mint. 12 January 2021.
  28. ^ Schmall E, Yasir S (3 January 2021). “India Approves Oxford-AstraZeneca Covid-19 Vaccine and 1 Other”The New York Times. Retrieved 3 January 2021.
  29. Jump up to:a b “Iran issues permit for emergency use for three other COVID-19 vaccines: Official”IRNA English. 17 February 2021.
  30. Jump up to:a b Manral, Karan (4 March 2021). “Zimbabwe approves Covaxin, first in Africa to okay India-made Covid-19 vaccine”Hindustan Times. Retrieved 6 March 2021.
  31. ^ Ghosh N (7 December 2020). “Bharat Biotech seeks emergency use authorization for Covid-19 vaccine”Hindustan Times.
  32. ^ “Coronavirus | After SII, Bharat Biotech seeks DCGI approval for Covaxin”The Hindu. 7 December 2020.
  33. ^ “Expert panel recommends granting approval for restricted emergency use of Bharat Biotech’s Covaxin”The Indian Express. 2 January 2021.
  34. ^ “Coronavirus: India approves vaccines from Bharat Biotech and Oxford/AstraZeneca”BBC News. 3 January 2021. Retrieved 3 January 2021.
  35. ^ “Disputes Mount, but Heedless Govt Intent on Rolling Vaccine Candidates Out”The Wire. 12 January 2021.
  36. ^ “AIPSN urges govt to reconsider emergency approval for Covaxin till Phase 3 data is published – Health News , Firstpost”Firstpost. 8 January 2021.

External links

Scholia has a profile for Covaxin / BBV152 (Q98703813).

COVAXIN®, Indias indigenous COVID-19 vaccine by Bharat Biotech is developed in collaboration with the Indian Council of Medical Research (ICMR) – National Institute of Virology (NIV).

The indigenous, inactivated vaccine is developed and manufactured in Bharat Biotech’s BSL-3 (Bio-Safety Level 3) high containment facility.

The vaccine is developed using Whole-Virion Inactivated Vero Cell derived platform technology. Inactivated vaccines do not replicate and are therefore unlikely to revert and cause pathological effects. They contain dead virus, incapable of infecting people but still able to instruct the immune system to mount a defensive reaction against an infection.

Why develop Inactivated Vaccine? Conventionally, inactivated vaccines have been around for decades. Numerous vaccines for diseases such as Seasonal Influenza, Polio, Pertussis, Rabies, and Japanese Encephalitis use the same technology to develop inactivated vaccines with a safe track record of >300 million doses of supplies to date. It is the well-established, and time-tested platform in the world of vaccine technology.

Key Attributes:

  • COVAXIN® is included along with immune-potentiators, also known as vaccine adjuvants, which are added to the vaccine to increase and boost its immunogenicity.
  • It is a 2-dose vaccination regimen given 28 days apart.
  • It is a vaccine with no sub-zero storage, no reconstitution requirement, and ready to use liquid presentation in multi-dose vials, stable at 2-8oC.
  • Pre-clinical studies: Demonstrated strong immunogenicity and protective efficacy in animal challenge studies conducted in hamsters & non-human primates. For more information about our animal study, please visit our blog page on Non-Human Primates.
  • The vaccine received DCGI approval for Phase I & II Human Clinical Trials in July, 2020.
  • A total of 375 subjects have been enrolled in the Phase 1 study and generated excellent safety data without any reactogenicity. Vaccine-induced neutralizing antibody titers were observed with two divergent SARS-CoV-2 strains. Percentage of all the side-effects combined was only 15% in vaccine recipients. For further information, visit our blog page on phase 1 study.
  • In Phase 2 study, 380 participants of 12-65 years were enrolled. COVAXIN® led to tolerable safety outcomes and enhanced humoral and cell-mediated immune responses. Know more about our phase 2 study.
Covaxin phase 3 trials
  • A total of 25,800 subjects have been enrolled and randomized in a 1:1 ratio to receive the vaccine and control in a Event-Driven, randomized, double-blind, placebo-controlled, multicentre phase 3 study.

The purpose of this study is to evaluate the efficacy, safety, and immunogenicity of COVAXIN® in volunteers aged ≥18 years.

Of the 25,800 participants, >2400 volunteers were above 60 years of age and >4500 with comorbid conditions.

COVAXIN® demonstrated 81% interim efficacy in preventing COVID-19 in those without prior infection after the second dose.

COVAXIN® effective against UK variant strain:

Analysis from the National Institute of Virology indicates that vaccine-induced antibodies can neutralize the UK variant strains and other heterologous strains.

Global Acceptance of COVAXIN®:

Bharat biotech has been approached by several countries across the world for the procurement of COVAXIN®.

  • Clinical trials in other countries to commence soon.
  • Supplies from government to government in the following countries to take place: Mongolia, Myanmar, Sri Lanka, Philippines, Bahrain, Oman, Maldives and Mauritius.
Covaxin world map
A person holding a vial of the Covaxin vaccine
Vaccine description
TargetSARS-CoV-2
Vaccine typeInactivated
Clinical data
Trade namesCovaxin
Routes of
administration
Intramuscular
ATC codeNone
Legal status
Legal statusEUA : INDIRNZBW
Identifiers
DrugBankDB15847
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#COVAXIN, #BBV152, #BBV 152, #INDIA 2021, #APPROVALS 2021, #COVID 19, #CORONA VIRUS, #bharat biotech


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  1. #COVAXIN, #BBV152, #BBV 152, #INDIA 2021, #APPROVALS 2021, #COVID 19, #CORONA VIRUS

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DR ANTHONY CRASTO

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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with GLENMARK LIFE SCIENCES LTD, Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 30 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, Dr T.V. Radhakrishnan and Dr B. K. Kulkarni, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 30 PLUS year tenure till date June 2021, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 9 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 90 Lakh plus views on dozen plus blogs, 233 countries, 7 continents, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 33 lakh plus views on New Drug Approvals Blog in 233 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc

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