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. 2023 Feb 8;52(4):104739. doi: 10.1016/j.respol.2023.104739

Table 1.

BioM's prospecting and evaluation candidates.

COVID-19 vaccine developer Platform Development stagea Technology readiness levelb Adequacyc Existence of a licensed vaccine for human use using the same platform
Oxford/AstraZeneca Nonreplicating viral vector Phase II/III TRL7 ++++ No
CanSino Biological Nonreplicating viral vector Phase II TRL 6/7 ++++ Yes
Moderna Nucleic acid (mRNA) Phase II TRL 6 /7 +++++ No
Johnson & Johnson Nonreplicating viral vector Pre-clinical TRL 4/5 ++++ No
Pfizer/BioNTech Nucleic acid (mRNA) Phase I/II TRL 6/7 +++++ No
Sinovac Biotech Inactivated virus Phase I/II ++ Yes
Novavax Protein sub-unit Phase I/II +++ Yes
Inovio Pharmaceuticals Nucleic acid (DNA) Phase I TRL 5/6 ++++ No
Clover Biopharmaceuticals Protein sub-unit Phase I TRL 5/6 +++ Yes
University of Queensland Protein sub-unit Pre-clinical TRL 4/5 +++ Yes
Gamaleya Research Institute of Epidemiology and Microbiology Nonreplicating viral vector Phase I TRL 5/6 ++++ No
Sinopharm Inactivated virus Phase I/II TRL 6 /7 ++ Yes
Bharat Biotech Inactivated virus Pre-clinical TRL 4/5 ++ Yes

Source: Adapted from Fialho et al. (2022).

a

As of June 26, 2020 (date of the decision for the AstraZeneca partnership).

b

Technology Readiness Level (TRL) is an index that evaluates the progress of early-stage technological projects, ranging from 1 (still in conceptualization stage) to 9 (demonstrated usefulness).

c

Flexibility and versatility of the technological platform with regard to eventual adjustments to vaccine targets.