History of Changes for Study: NCT04283461
Safety and Immunogenicity Study of 2019-nCoV Vaccine (mRNA-1273) for Prophylaxis of SARS-CoV-2 Infection (COVID-19)
Latest version (submitted February 11, 2021) on
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Study Record Versions
Version A B Submitted Date Changes
1 February 21, 2020 None (earliest Version on record)
2 February 27, 2020 Study Status
3 March 3, 2020 Study Status and Study Identification
4 March 5, 2020 Recruitment Status, Study Status, Contacts/Locations, Conditions and Oversight
5 March 12, 2020 Contacts/Locations and Study Status
6 March 19, 2020 Contacts/Locations and Study Status
7 March 26, 2020 Contacts/Locations, Conditions, Study Description, Eligibility, Study Status and Study Identification
8 April 9, 2020 Conditions, Study Status and Study Identification
9 April 30, 2020 Study Status, Eligibility, Arms and Interventions, Conditions, Study Description, Contacts/Locations, Study Design and Study Identification
10 May 28, 2020 Study Status, Arms and Interventions, Study Description, Eligibility and Study Design
11 July 16, 2020 Recruitment Status, Study Status, Contacts/Locations and Study Design
12 December 3, 2020 Study Identification and Study Status
13 December 17, 2020 Study Status
14 February 11, 2021 Study Status, Outcome Measures, Arms and Interventions, Study Description and Eligibility
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