Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT01827462 · ClinicalTrials.gov registry record · Phase 4
Comparison of Immune Responses to Influenza Vaccine In Adults of Different Ages (SLVP015 2007-2017)
A Phase 4 study, sponsored by Stanford University.
- Completed
- Registry status
- Phase 4
- Development phase
- 136
- Enrollment target
NCT01827462: Completed Phase 4 study, sponsored by Stanford University.
NCT01827462 is a Phase 4 study that has completed, run by Stanford University. The registered enrollment target is 136 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (74% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01827462, a Phase 4 study, has completed, sponsored by Stanford University.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 136 participants
- Enrollment target
Study Summary
In this study the investigators are trying to understand how immune function declines in the elderly using annual influenza vaccinations as a model system. The longitudinal study began in 2007 and continued through early 2017.
Interventions
- BIOLOGICAL Trivalent, inactivated influenza vaccine (TIV)
- BIOLOGICAL Quadrivalent, inactivated influenza vaccine (IIV4)
- BIOLOGICAL High-Dose Trivalent, inactivated influenza vaccine (TIV High-Dose)
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 136 participants |
| Start Date | 2007-10 |
| Est. Completion | 2017-03 |
| Phase | Phase 4 |
What the finished NCT01827462 record still lists
NCT01827462 is an interventional study that assigns participants to a tested intervention. The registered 136 participants enrollment target is mid-sized for trials with a published cap, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (74% lower).
The record links to 0 conditions, and to 3 interventions - of which Trivalent, inactivated influenza vaccine (TIV) is the first listed.
NCT01827462 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01827462 about?
NCT01827462 is a clinical study titled "Comparison of Immune Responses to Influenza Vaccine In Adults of Different Ages (SLVP015 2007-2017)". In this study the investigators are trying to understand how immune function declines in the elderly using annual influenza vaccinations as a model system. The longitudinal study began in 2007 and continued through early 2017.
What is the current status of trial NCT01827462?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 136 participants. The study started on 2007-10. Estimated completion is 2017-03.
What interventions are being tested in trial NCT01827462?
The interventions under investigation include: Trivalent, inactivated influenza vaccine (TIV) (BIOLOGICAL), Quadrivalent, inactivated influenza vaccine (IIV4) (BIOLOGICAL), High-Dose Trivalent, inactivated influenza vaccine (TIV High-Dose) (BIOLOGICAL).
Who is sponsoring clinical trial NCT01827462?
This trial is sponsored by Stanford University, which has 1,744 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01827462's enrollment target sits among peer trials
136 596th of 2000 higher than 1,400 of 2,000 other Phase 4 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 4 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
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT01555892 · 136 participants · Phase 1
Cytotoxic T-Lymphocytes for EBV-positive Lymphoma, GRALE
- NCT03216525 · 136 participants · Phase 3
Alvimopan Versus Placebo in Patients Undergoing Radical Cystectomy on an Enhanced Recovery Protocol
- NCT04476901 · 136 participants · Phase 2
Administration of Allogeneic-MSC in Patients With Non-Ischemic Dilated Cardiomyopathy
- NCT04603898 · 136 participants · NA
Oxalate Formation From Ascorbic Acid
Similar registry start date
- NCT05988463 · started 2027-01-01 · Phase 1
Dose-Escalation Study of Artesunate Patients With IPF
- NCT07219706 · started 2026-12-10 · NA
Dietary Fiber and Time Restricted Eating
- NCT02831335 · started 2026-12-01
Technical Development of Multi-Parametric Renocerebral MRI
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia