At a glance
ClinicalIndex Comparison RecordPhase 3Completed· 30,415 enrolled
Drug / intervention
mRNA-1273 +1 morebiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
A Phase 3, Randomized, Stratified, Observer-Blind, Placebo-Controlled Study to Evaluate the Efficacy, Safety, and Immunogenicity of mRNA-1273 SARS-CoV-2 Vaccine in Adults Aged 18 Years and Older
In Brief
A Phase 3 clinical trial evaluating mRNA-1273 and Placebo for SARS-CoV-2. Completed, enrolled 30,415 participants across 100 sites.
Detailed Summary
The mRNA-1273 vaccine is being developed to prevent COVID-19, the disease resulting from Severe Acute Respiratory Syndrome coronavirus (SARS-CoV-2) infection. The study is designed to primarily evaluate the efficacy, safety, and immunogenicity of mRNA-1273 to prevent COVID-19 for up to 2 years after the second dose of mRNA-1273.
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsSARS-CoV-2
CountriesUnited States
Timeline
Phase 3CompletedFinished
202120222023202420252026
First PostedJul 2020
Enrollment StartJul 2020
Primary CompletionDec 2022
TodayJul 2026
First PostedJul 14, 2020
Enrollment StartJul 27, 2020
Primary CompletionDec 29, 2022
TodayJul 2, 2026
Enrollment to primary: 2.4 yearsPosted 6.0 years ago
Interventions
mRNA-1273biological
Sterile liquid for injection
Placebobiological
0.9% sodium chloride (normal saline) injection