A Study of Ad26.COV2.S and Influenza Vaccines in Healthy Adults
Public ClinicalTrials.gov record NCT05091307. 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 Safety, Reactogenicity, and Immunogenicity of Co-administration of Ad26.COV2.S and Influenza Vaccines in Healthy Adults 18 Years of Age and Older
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to demonstrate the non-inferiority (NI) of the humoral immune response of the 4 influenza vaccine strains after concomitant administration of the Ad26.COV2.S vaccine and a seasonal quadrivalent standard-dose influenza vaccine versus the administration of a seasonal quadrivalent standard-dose influenza vaccine administered alone; and to demonstrate the NI of the binding antibody response after concomitant administration of Ad26.COV2.S vaccine and a seasonal quadrivalent standard-dose influenza vaccine versus the administration of Ad26.COV2.S vaccine administered alone.
Study identification
- NCT ID
- NCT05091307
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 861 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Nov 2, 2021 (Actual)
- Primary completion
- Jun 17, 2022 (Actual)
- Completion
- Nov 15, 2022 (Actual)
- Last update posted
- May 25, 2025
2021 – 2022
United States locations
- U.S. sites
- 17
- U.S. states
- 12
- U.S. cities
- 15
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Fiel Family and Sports Medicine Clinical Research Advantage | Tempe | Arizona | 85283 | — |
| Wr McCr Llc | San Diego | California | 92120 | — |
| Clinical Research of South Florida, an AMR Company | Coral Gables | Florida | 33134 | — |
| AMR Fort Myers Clinical Physiology Associates, an AMR company | Fort Myers | Florida | 33912 | — |
| Office of Emilio Mantero-Atienza, MD | Miami | Florida | 33135 | — |
| University of Miami Health System | Miami | Florida | 33136 | — |
| Premier Research Associate, Inc | Miami | Florida | 33165 | — |
| Medisphere Medical Research Center, Llc | Evansville | Indiana | 47714 | — |
| Meridian Clinical Research, LLC | Norfolk | Nebraska | 68701 | — |
| Clinical Research Consortium, an AMR company | Las Vegas | Nevada | 89119 | — |
| I.D. Care, Inc. | Hillsborough | New Jersey | 08844 | — |
| Rochester Clinical Research, Inc | Rochester | New York | 14609 | — |
| Carolina Institute for Clinical Research | Fayetteville | North Carolina | 28303 | — |
| 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 14 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05091307, 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 May 25, 2025 · Synced Oct 24, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT05091307 live on ClinicalTrials.gov.