A Study to Evaluate Dose Levels of Ad26.COV2.S Administered as a Two-dose Schedule in Healthy Adults
Public ClinicalTrials.gov record NCT04908722. 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 Randomized, Double-blind, Phase 3 Study to Evaluate 6 Dose Levels of Ad26.COV2.S Administered As a Two-Dose Schedule in Healthy Adults
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to demonstrate non-inferiority (NI) in terms of humoral immune responses after 6 dose levels of Ad26.COV2.S.
Study identification
- NCT ID
- NCT04908722
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 1,609 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 55 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
- Jun 18, 2021 (Actual)
- Primary completion
- Jul 10, 2023 (Actual)
- Completion
- Jul 10, 2023 (Actual)
- Last update posted
- Feb 4, 2025
2021 – 2023
United States locations
- U.S. sites
- 18
- U.S. states
- 11
- U.S. cities
- 18
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Baptist Health Center For Clinical Research | Little Rock | Arkansas | 72205 | — |
| Anaheim Clinical Trials, LLC | Anaheim | California | 92801 | — |
| Ark Clinical Research | Long Beach | California | 90815 | — |
| Paradigm Clinical Research Centers, Inc. | Redding | California | 96001 | — |
| Wr McCr Llc | San Diego | California | 92120 | — |
| Ark Clinical Research | Tustin | California | 92780 | — |
| Velocity Clinical Research, Hallandale Beach | Hallandale | Florida | 33009 | — |
| Floridian Research Institute | Miami | Florida | 33179 | — |
| Medpharmics, LLC | Metairie | Louisiana | 70006 | — |
| Clinical Research Center of Nevada | Las Vegas | Nevada | 89106 | — |
| Rochester Clinical Research, Inc | Rochester | New York | 14609 | — |
| Wake Research Associates | Raleigh | North Carolina | 27612 | — |
| Trial Management Associates, LLC | Wilmington | North Carolina | 28403 | — |
| Tekton Research Inc. | Yukon | Oklahoma | 73099 | — |
| Coastal Carolina Research Center | North Charleston | South Carolina | 29405 | — |
| Ventavia Research Group, LLC | Keller | Texas | 76248 | — |
| Research Your Health | Plano | Texas | 75093 | — |
| Clinical Research Partners, LLC | Richmond | Virginia | 23226 | — |
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 25 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04908722, 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 4, 2025 · Synced Oct 30, 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 NCT04908722 live on ClinicalTrials.gov.