Study to Evaluate Immunogenicity, Safety and Tolerability of Adjuvanted and Non-Adjuvanted H2N3 Influenza Vaccines in Adults
Public ClinicalTrials.gov record NCT05875961. 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 1, Randomized, Observer-Blind, Multi-Center, Dose Ranging Study to Evaluate the Immunogenicity, Safety and Tolerability of Different Formulations of an Adjuvanted or Non-Adjuvanted Cell Culture-derived A/H2N3 Subunit Influenza Virus Vaccine in Healthy Subjects 18 Years and Above
Study identification
- NCT ID
- NCT05875961
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Seqirus
- Industry
- Enrollment
- 600 participants
Conditions and interventions
Interventions
- Low dose A/H2N3c + standard dose MF59 Biological
- Intermediate dose A/H2N3c + standard dose MF59 Biological
- High dose A/H2N3c + standard dose MF59 Biological
- High dose A/H2N3c non-adjuvanted Biological
- Lowest dose A/H2N3c + high dose MF59 Biological
- Low dose A/H2N3c + high dose MF59 Biological
Biological
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
- Jun 14, 2023
- Primary completion
- Nov 14, 2024
- Completion
- Nov 14, 2024
- Last update posted
- Jan 21, 2025
2023 – 2024
United States locations
- U.S. sites
- 3
- U.S. states
- 2
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Meridian Clinical Research | Rockville | Maryland | 20854 | — |
| Meridian Clinical Research | Lincoln | Nebraska | 68510 | — |
| Meridian Clinical Research | Omaha | Nebraska | 58134 | — |
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 4 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05875961, 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 Jan 21, 2025 · Synced Jul 22, 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 protocol, eligibility criteria, and contact information for NCT05875961 live on ClinicalTrials.gov.