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Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of Ad26.COV2.S and Influenza Vaccines in Healthy Adults

ClinicalTrials.gov ID: NCT05091307

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.

ClinicalTrials.gov public records Last synced Jul 23, 2026, 11:18 AM EDT

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

Study identification

NCT ID
NCT05091307
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Enrollment
861 participants

Conditions and interventions

Interventions

  • Ad26.COV2.S Biological
  • Placebo Other
  • Influenza Vaccine Biological

Biological · Other

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 1, 2021
Primary completion
Jun 16, 2022
Completion
Nov 14, 2022
Last update posted
May 24, 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 24, 2025 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05091307 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →