Manufacturer of COVID-19 vaccine
Vaccine platform
Type of candidate vaccine
Number of doses and timing of doses Clinical Trial Identifier
Estimated Study Completion Date
University of Oxford/AstraZeneca
Non-Replicating Viral Vector
ChAdOx1-S (AZD1222)
2 doses at day 0 and 28
NCT04516746
February 2023
ISRCTN89951424 December 2021
NCT04540393 March 2021
CTRI/2020/08/027170 March 2021*
Moderna/NIAID RNA LNP-encapsulated mRNA (mRNA-1273) 2 doses at day 0 and 28 NCT04470427 October 2022
BioNTech/Fosun Pharma/Pfizer RNA 3 LNP-mRNAs (BNT162b2) 2 doses at day 0 and 21 NCT04368728 January 2023
Janssen Pharmaceutical Companies (Johnson & Johnson) Non-Replicating Viral Vector Adenovirus Type 26 vector (Ad26.COV2.S) 1 dose at day 0 NCT04505722 March 2023
ISRCTN14722499 May 2023
2 doses at day 0 and 56
Novavax
Protein Subunit
Full length recombinant SARS CoV-2 glycoprotein nanoparticle vaccine adjuvanted with Matrix M (SARS-CoV-2 rS/Matrix-M1 Adjuvant) 2 doses at day 0 and 21
2020-004123-16
September 2021*
NCT04611802 December 2022
Sinovac
Inactivated
Inactivated (CoronaVac)
2 doses at day 0 and 14
NCT04456595
October 2021
669/UN6.KEP/EC/2020 Not reported
NCT04582344 April 2021
NCT04617483 May 2021
Wuhan Institute of Biological Products/Sinopharm
Inactivated
Inactivated
2 doses at day 0 and 21
ChiCTR2000034780
July 2021
ChiCTR2000039000 December 2020
NCT04612972 September 2021
Beijing Institute of Biological Products/Sinopharm
Inactivated
Inactivated
2 doses at day 0 and 21
ChiCTR2000034780
July 2021
NCT04560881 December 2021
Bharat Biotech
Inactivated
Whole-Virion Inactivated
2 doses at day 0 and 28
CTRI/2020/11/028976
November 2021*
NCT04641481 March 2022
CanSino Biological Inc./Beijing Institute of Biotechnology Non-Replicating Viral Vector Adenovirus Type 5 Vector 1 dose NCT04526990 January 2022
NCT04540419 July 2021
Gamaleya Research Institute
Non-Replicating Viral Vector
Adeno-based (rAd26-S+rAd5-S, Sputnik V)
2 doses at day 0 and 21
NCT04530396
May 2021
NCT04564716 April 2021
NCT04642339 December 2021
Anhui Zhifei Longcom Biopharmaceutical/Institute of Microbiology, Chinese Academy of Sciences
Protein Subunit
Adjuvanted recombinant protein (RBD-Dimer) expressed in CHO cells
3 doses at day 0, 28, and 56
ChiCTR2000040153
December 2021
Medicago Inc.
VLP
Plant-derived VLP adjuvanted with AS03
2 doses at day 0 and 21
NCT04636697
April 2022