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NCT01561989 · ClinicalTrials.gov registry record · NA
Cholecalciferol and Flu Vaccine in Treating Healthy Participants
A NA study, sponsored by Roswell Park Cancer Institute.
- Terminated
- Registry status
- NA
- Development phase
- 11
- Enrollment target
NCT01561989: Clinical Trial NA study, sponsored by Roswell Park Cancer Institute.
NCT01561989 is a NA study that was terminated before completion, run by Roswell Park Cancer Institute. The registered enrollment target is 11 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (99% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01561989, a NA study, was terminated before completion, sponsored by Roswell Park Cancer Institute.
- TERMINATED
- Registry status
- NA
- Development phase
- 11 participants
- Enrollment target
Study Summary
This randomized clinical trial studies cholecalciferol and flu vaccine in treating healthy participants. Cholecalciferol may increase the immunologic response of flu vaccine in healthy participants. Flu vaccine may help the body build an immune response and help prevent flu
Primary Outcome
Descriptive statistics and chi-square tests will be used to assess for differences in the occurrence of self-reported flu-like illnesses in the study population.
Interventions
- OTHER questionnaire administration
- BIOLOGICAL trivalent influenza vaccine
- DIETARY_SUPPLEMENT cholecalciferol
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 11 participants |
| Start Date | 2011-10 |
| Est. Completion | 2015-06 |
| Phase | NA |
Why NCT01561989 stopped before completion
NCT01561989 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 1,404-participant average among 58,714 other NA trials with a reported enrollment target (99% lower).
The record links to 0 conditions, and to 3 interventions - of which questionnaire administration is the first listed.
NCT01561989 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01561989 about?
NCT01561989 is a clinical study titled "Cholecalciferol and Flu Vaccine in Treating Healthy Participants". This randomized clinical trial studies cholecalciferol and flu vaccine in treating healthy participants. Cholecalciferol may increase the immunologic response of flu vaccine in healthy participants. Flu vaccine may help the body build an immune response and help prevent flu
What is the current status of trial NCT01561989?
This trial is currently terminated. It is a NA study. The enrollment target is 11 participants. The study started on 2011-10. Estimated completion is 2015-06.
What interventions are being tested in trial NCT01561989?
The interventions under investigation include: questionnaire administration (OTHER), trivalent influenza vaccine (BIOLOGICAL), cholecalciferol (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT01561989?
This trial is sponsored by Roswell Park Cancer Institute, which has 365 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01561989's enrollment target sits among peer trials
11 1927th of 2000 higher than 74 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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