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NCT00164411 · ClinicalTrials.gov registry record · Phase 1
Pneumococcal Conjugate Vaccine With Pneumococcal Polysaccharide Vaccine and Tetanus/Diphtheria Vaccine
A Phase 1 study, sponsored by Centers for Disease Control and Prevention.
- Completed
- Registry status
- Phase 1
- Development phase
- 30
- Enrollment target
NCT00164411: Completed Phase 1 study, sponsored by Centers for Disease Control and Prevention.
NCT00164411 is a Phase 1 study that has completed, run by Centers for Disease Control and Prevention. The registered enrollment target is 30 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (50% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00164411, a Phase 1 study, has completed, sponsored by Centers for Disease Control and Prevention.
- COMPLETED
- Registry status
- Phase 1
- Development phase
- 30 participants
- Enrollment target
Study Summary
The purpose of this study is to learn whether or not giving a tetanus/diphtheria vaccination ("tetanus shot") before giving pneumococcal vaccine makes the pneumococcal vaccine more effective without causing too many side effects.
Interventions
- BIOLOGICAL Tetanus-diphtheria toxoids (Td)
- BIOLOGICAL 7-valent pneumococcal conjugate vaccine
- BIOLOGICAL 23-valent polysaccharide vaccine
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 30 participants |
| Start Date | 2004-01 |
| Est. Completion | 2005-03 |
| Phase | Phase 1 |
What the finished NCT00164411 record still lists
NCT00164411 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 30 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (50% lower).
The record links to 0 conditions, and to 3 interventions - of which Tetanus-diphtheria toxoids (Td) is the first listed.
NCT00164411 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00164411 about?
NCT00164411 is a clinical study titled "Pneumococcal Conjugate Vaccine With Pneumococcal Polysaccharide Vaccine and Tetanus/Diphtheria Vaccine". The purpose of this study is to learn whether or not giving a tetanus/diphtheria vaccination ("tetanus shot") before giving pneumococcal vaccine makes the pneumococcal vaccine more effective without causing too many side effects.
What is the current status of trial NCT00164411?
This trial is currently completed. It is a Phase 1 study. The enrollment target is 30 participants. The study started on 2004-01. Estimated completion is 2005-03.
What interventions are being tested in trial NCT00164411?
The interventions under investigation include: Tetanus-diphtheria toxoids (Td) (BIOLOGICAL), 7-valent pneumococcal conjugate vaccine (BIOLOGICAL), 23-valent polysaccharide vaccine (BIOLOGICAL).
Who is sponsoring clinical trial NCT00164411?
This trial is sponsored by Centers for Disease Control and Prevention, which has 139 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00164411's enrollment target sits among peer trials
30 1332nd of 2000 higher than 561 of 2,000 other Phase 1 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other 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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