Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT00158665 · ClinicalTrials.gov registry record · NA
A Comparison of One Versus Two Doses of Influenza Vaccine in Children 5-8 Years of Age
A NA study, sponsored by Kaiser Permanente.
- Completed
- Registry status
- NA
- Development phase
- 280
- Enrollment target
NCT00158665: Completed NA study, sponsored by Kaiser Permanente.
NCT00158665 is a NA study that has completed, run by Kaiser Permanente. The registered enrollment target is 280 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (80% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00158665, a NA study, has completed, sponsored by Kaiser Permanente.
- COMPLETED
- Registry status
- NA
- Development phase
- 280 participants
- Enrollment target
Study Summary
The purpose of the study was to find out if children 5 through 8 years of age who are getting influenza vaccine for the first time should get one or two doses.
Interventions
- BIOLOGICAL 2 0.5 ml doses of '04-05 Trivalent Influenza Vaccine
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 280 participants |
| Start Date | 2004-08 |
| Est. Completion | 2004-12 |
| Phase | NA |
What the finished NCT00158665 record still lists
NCT00158665 is an interventional study that assigns participants to a tested intervention. The registered 280 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (80% lower).
The record links to 0 conditions, and to 1 intervention - of which 2 0.5 ml doses of '04-05 Trivalent Influenza Vaccine is the first listed.
NCT00158665 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00158665 about?
NCT00158665 is a clinical study titled "A Comparison of One Versus Two Doses of Influenza Vaccine in Children 5-8 Years of Age". The purpose of the study was to find out if children 5 through 8 years of age who are getting influenza vaccine for the first time should get one or two doses.
What is the current status of trial NCT00158665?
This trial is currently completed. It is a NA study. The enrollment target is 280 participants. The study started on 2004-08. Estimated completion is 2004-12.
What interventions are being tested in trial NCT00158665?
The interventions under investigation include: 2 0.5 ml doses of '04-05 Trivalent Influenza Vaccine (BIOLOGICAL).
Who is sponsoring clinical trial NCT00158665?
This trial is sponsored by Kaiser Permanente, which has 294 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00158665's enrollment target sits among peer trials
280 380th of 2000 higher than 1,620 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA 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
- NCT04084730 · 280 participants · Phase 2
Study of 3-Day Partial Breast Radiation Therapy in Women With Breast Cancer
- NCT04518657 · 280 participants · NA
Internet-Delivered Lifestyle Physical Activity Intervention for Cognitive Processing Speed in Multiple Sclerosis
- NCT04634916 · 280 participants · NA
Post-market Surveillance Study of the BD® WavelinQ™ EndoAVF System
- NCT04829617 · 280 participants · NA
Promoting Well-being and Health in Heart Failure
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