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NCT03748524 · ClinicalTrials.gov registry record · Early Phase 1
Analysis of Antigen Specific B Cell Responses to Immunization With Influenza Virus Vaccine
A Early Phase 1 study, sponsored by Washington University School of Medicine.
- Completed
- Registry status
- Early Phase 1
- Development phase
- 11
- Enrollment target
NCT03748524: Completed Early Phase 1 study, sponsored by Washington University School of Medicine.
NCT03748524 is a Early Phase 1 study that has completed, run by Washington University School of Medicine. The registered enrollment target is 11 participants, below the 53-participant average among 2,764 other Early Phase 1 trials with a reported enrollment target (79% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03748524, a Early Phase 1 study, has completed, sponsored by Washington University School of Medicine.
- COMPLETED
- Registry status
- Early Phase 1
- Development phase
- 11 participants
- Enrollment target
Study Summary
Immunization with the inactivated influenza vaccine with blood samples collected at 7 visits (baseline, day 7, 14, 28, 60, 90 and 180, fine needle aspiration (FNAs) from axillary lymph nodes at baseline, days, 4, 14, 28, 60 and 180. BMA at baseline, days 28 and 180.
Primary Outcome
Change in serum hemagglutination-inhibition (HAI) antibody titers between day 0 to day 28
Interventions
- DRUG Influenza Vaccine
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 11 participants |
| Start Date | 2018-10-29 |
| Est. Completion | 2022-06-20 |
| Phase | Early Phase 1 |
What the finished NCT03748524 record still lists
NCT03748524 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 11 participants, a relatively small participant target, below the 53-participant average among 2,764 other Early Phase 1 trials with a reported enrollment target (79% lower).
The record links to 0 conditions, and to 1 intervention - of which Influenza Vaccine is the first listed.
NCT03748524 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03748524 about?
NCT03748524 is a clinical study titled "Analysis of Antigen Specific B Cell Responses to Immunization With Influenza Virus Vaccine". Immunization with the inactivated influenza vaccine with blood samples collected at 7 visits (baseline, day 7, 14, 28, 60, 90 and 180, fine needle aspiration (FNAs) from axillary lymph nodes at baseline, days, 4, 14, 28, 60 and 180. BMA at baseline, days 28 and 180.
What is the current status of trial NCT03748524?
This trial is currently completed. It is a Early Phase 1 study. The enrollment target is 11 participants. The study started on 2018-10-29. Estimated completion is 2022-06-20.
What interventions are being tested in trial NCT03748524?
The interventions under investigation include: Influenza Vaccine (DRUG).
Who is sponsoring clinical trial NCT03748524?
This trial is sponsored by Washington University School of Medicine, which has 1,502 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03748524's enrollment target sits among peer trials
11 1600th of 2000 higher than 373 of 2,000 other Early Phase 1 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Early Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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