Study Summary
This trial tests the safety and effectiveness of two different mRNA vaccines to prevent COVID-19.
- COVID-19
- COVID-19 (coronavirus disease 2019)
- Coronavirus
- Mild-to-Moderate COVID-19
Treatment Effectiveness
Phase-Based Effectiveness
Study Objectives
7 Primary · 4 Secondary · Reporting Duration: Days 29, 91, 181, and 365
Trial Safety
Phase-Based Safety
Awards & Highlights
Trial Design
2 Treatment Groups
mRNA-1283.222
1 of 2
mRNA-1273.222
1 of 2
Experimental Treatment
8472 Total Participants · 2 Treatment Groups
Primary Treatment: mRNA-1283.222 · No Placebo Group · Phase 3
Trial Logistics
Trial Timeline
Who is running the clinical trial?
Eligibility Criteria
Age Any Age · All Participants · 4 Total Inclusion Criteria
Mark “Yes” if the following statements are true for you:Who else is applying?
What state do they live in?
California | 33.3% |
Nevada | 33.3% |
Massachusetts | 33.3% |
What site did they apply to?
DM Clinical Research | 50.0% |
Las Vegas Clinical Trials | 50.0% |
What portion of applicants met pre-screening criteria?
Met criteria | 100.0% |
Why did patients apply to this trial?
- "Want to help find end to covid"
How many prior treatments have patients received?
0 | 100.0% |
Frequently Asked Questions
Does the research being conducted span a broad swath of North America?
"This clinical trial is being run in over 200 locations, including Huntsville, Chandler and Phoenix. To reduce any travel burdens involved with participation, it may be best to select the medical centre closest to you." - Anonymous Online Contributor
What adverse effects have been reported from using mRNA-1283.222?
"Our team at Power has rated the safety of mRNA-1283.222 a 3 on account of this Phase 3 trial's extensive background in efficacy and multiple data sets confirming its security." - Anonymous Online Contributor
How many volunteers have enrolled in this research endeavor?
"8472 eligible candidates will be needed to partake in this medical study, with Optimal Research in Huntsville and Chandler Clinical Trials in Chandler both having open enrollment." - Anonymous Online Contributor
Is the study currently enrolling new participants?
"Affirmative, the information available on clinicaltrials.gov indicates that this experiment is actively recruiting patients. This study was launched on March 28th 2023 and has most recently been updated April 13th of the same year. 8472 participants are needed to be recruited from 209 separate centres." - Anonymous Online Contributor