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NCT01233804 · ClinicalTrials.gov registry record · NA
Opting In vs Opting Out
A NA study, sponsored by The University of Texas Health Science Center, Houston.
- Completed
- Registry status
- NA
- Development phase
- 280
- Enrollment target
NCT01233804: Completed NA study, sponsored by The University of Texas Health Science Center, Houston.
NCT01233804 is a NA study that has completed, run by The University of Texas Health Science Center, Houston. 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
NCT01233804, a NA study, has completed, sponsored by The University of Texas Health Science Center, Houston.
- COMPLETED
- Registry status
- NA
- Development phase
- 280 participants
- Enrollment target
Study Summary
The purpose of this study is to compare methods for consenting (opting in vs opting out) on influenza vaccine uptake rate in pregnant women. This study is designed to learn about the impact of influenza vaccination in pregnant women. This study will help gather knowledge about influenza vaccine side effects (if given) and whether the vaccine reduces the number of respiratory infection in mothers and their infants.
Primary Outcome
Vaccination rates will be analyzed for the two groups (opting in vs opting out) to determine group vaccination rate.
Interventions
- OTHER Opting Out
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 280 participants |
| Start Date | 2010-11 |
| Est. Completion | 2011-08 |
| Phase | NA |
What the finished NCT01233804 record still lists
NCT01233804 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 Opting Out is the first listed.
NCT01233804 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01233804 about?
NCT01233804 is a clinical study titled "Opting In vs Opting Out". The purpose of this study is to compare methods for consenting (opting in vs opting out) on influenza vaccine uptake rate in pregnant women. This study is designed to learn about the impact of influenza vaccination in pregnant women. This study will help gather knowledge about influenza vaccine side...
What is the current status of trial NCT01233804?
This trial is currently completed. It is a NA study. The enrollment target is 280 participants. The study started on 2010-11. Estimated completion is 2011-08.
What interventions are being tested in trial NCT01233804?
The interventions under investigation include: Opting Out (OTHER).
Who is sponsoring clinical trial NCT01233804?
This trial is sponsored by The University of Texas Health Science Center, Houston, which has 732 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01233804'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
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