Phase III Double-blind, Placebo-controlled Study of AZD1222 for the Prevention of COVID-19 in Adults
Public ClinicalTrials.gov record NCT04516746. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase III Randomized, Double-blind, Placebo-controlled Multicenter Study in Adults, to Determine the Safety, Efficacy, and Immunogenicity of AZD1222, a Non-replicating ChAdOx1 Vector Vaccine, for the Prevention of COVID-19
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The aim of the study is to assess the safety, efficacy, and immunogenicity of AZD1222 for the prevention of COVID-19.
Study identification
- NCT ID
- NCT04516746
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 32,450 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 130 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 28, 2020 (Actual)
- Primary completion
- Mar 5, 2021 (Actual)
- Completion
- Feb 10, 2023 (Actual)
- Last update posted
- Feb 5, 2024
2020 – 2023
United States locations
- U.S. sites
- 78
- U.S. states
- 39
- U.S. cities
- 69
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Research Site | Phoenix | Arizona | 85018 | — |
| Research Site | Scottsdale | Arizona | 85258 | — |
| Research Site | Little Rock | Arkansas | 72212 | — |
| Research Site | Berkeley | California | 94705 | — |
| Research Site | El Centro | California | 92243 | — |
| Research Site | Los Angeles | California | 90033 | — |
| Research Site | Los Angeles | California | 90095 | — |
| Research Site | San Diego | California | 92103 | — |
| Research Site | San Diego | California | 92134 | — |
| Research Site | San Francisco | California | 94102 | — |
| Research Site | San Francisco | California | 94158 | — |
| Research Site | Torrance | California | 90502 | — |
| Research Site | Denver | Colorado | 80204 | — |
| Research Site | Danbury | Connecticut | 06810 | — |
| Research Site | Coral Gables | Florida | 33134 | — |
| Research Site | Lake Worth | Florida | 33462 | — |
| Research Site | Miami Lakes | Florida | 33016 | — |
| Research Site | Orlando | Florida | 32803 | — |
| Research Site | Honolulu | Hawaii | 96814 | — |
| Research Site | Meridian | Idaho | 83642 | — |
| Research Site | Chicago | Illinois | 60612 | — |
| Research Site | Indianapolis | Indiana | 46202 | — |
| Research Site | Ankeny | Iowa | 50023 | — |
| Research Site | Fairway | Kansas | 66205 | — |
| Research Site | Kansas City | Kansas | 66160 | — |
| Research Site | Wichita | Kansas | 67207 | — |
| Research Site | Wichita | Kansas | 67214 | — |
| Research Site | Lexington | Kentucky | 40509 | — |
| Research Site | Lake Charles | Louisiana | 70601 | — |
| Research Site | Monroe | Louisiana | 71201 | — |
| Research Site | Baltimore | Maryland | 21201 | — |
| Research Site | Baltimore | Maryland | 21205 | — |
| Research Site | Bethesda | Maryland | 20889 | — |
| Research Site | Boston | Massachusetts | 02111 | — |
| Research Site | Boston | Massachusetts | 02215 | — |
| Research Site | Ann Arbor | Michigan | 48109 | — |
| Research Site | Royal Oak | Michigan | 48073 | — |
| Research Site | Minneapolis | Minnesota | 55425 | — |
| Research Site | Gulfport | Mississippi | 39503 | — |
| Research Site | Butte | Montana | 59701 | — |
| Research Site | Portsmouth | New Hampshire | 03801 | — |
| Research Site | Berlin | New Jersey | 08009 | — |
| Research Site | Albuquerque | New Mexico | 87102 | — |
| Research Site | Brooklyn | New York | 11220 | — |
| Research Site | Mineola | New York | 11501 | — |
| Research Site | New York | New York | 10010 | — |
| Research Site | New York | New York | 10016 | — |
| Research Site | New York | New York | 10032 | — |
| Research Site | Rochester | New York | 14621 | — |
| Research Site | Rochester | New York | 14642 | — |
| Research Site | The Bronx | New York | 10467 | — |
| Research Site | Valhalla | New York | 10595 | — |
| Research Site | Durham | North Carolina | 27710 | — |
| Research Site | Cincinnati | Ohio | 45229 | — |
| Research Site | Columbus | Ohio | 43210 | — |
| Research Site | Yukon | Oklahoma | 73099 | — |
| Research Site | Portland | Oregon | 97239 | — |
| Research Site | Pittsburgh | Pennsylvania | 15232 | — |
| Research Site | Warwick | Rhode Island | 02886 | — |
| Research Site | Charleston | South Carolina | 29425 | — |
| Research Site | North Charleston | South Carolina | 29406 | — |
| Research Site | Spartanburg | South Carolina | 29303 | — |
| Research Site | Knoxville | Tennessee | 37920 | — |
| Research Site | Nashville | Tennessee | 37203 | — |
| Research Site | Austin | Texas | 78745 | — |
| Research Site | Dallas | Texas | 75208 | — |
| Research Site | Fort Sam Houston | Texas | 78234 | — |
| Research Site | Houston | Texas | 77030 | — |
| Research Site | McAllen | Texas | 78504 | — |
| Research Site | San Antonio | Texas | 78236 | — |
| Research Site | Spring | Texas | 77381 | — |
| Research Site | West Jordan | Utah | 84088 | — |
| Research Site | Burlington | Vermont | 05401 | — |
| Research Site | Fort Belvoir | Virginia | 22060 | — |
| Research Site | Richmond | Virginia | 23226 | — |
| Research Site | Seattle | Washington | 98109 | — |
| Research Site | South Charleston | West Virginia | 25309 | — |
| Research Site | Madison | Wisconsin | 53792-5666 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 6 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04516746, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 5, 2024 · Synced Oct 19, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04516746 live on ClinicalTrials.gov.