High-Dose Influenza Vaccine in Nursing Homes
Public ClinicalTrials.gov record NCT01815268. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
High Dose Influenza Vaccination and Morbidity & Mortality in U.S. Nursing Homes
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to prospectively evaluate relative effectiveness of high dose influenza vaccine in preventing influenza mortality, hospitalization, and functional decline in a nursing home population in the U.S., compared to the standard dose trivalent seasonal influenza vaccine.
Study identification
- NCT ID
- NCT01815268
- Recruitment status
- Not listed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 823 participants
Conditions and interventions
Conditions
Interventions
- HD Vaccine Biological
- SD Vaccine Biological
- Free Vaccine Biological
- Usual Care Biological
Biological
Eligibility (public fields only)
- Age range
- 65 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 31, 2013
- Primary completion
- May 14, 2017
- Completion
- Aug 31, 2018
- Last update posted
- Jul 15, 2018
2013 – 2018
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Case Western Reserve University | Cleveland | Ohio | 44106 | — |
| Brown University | Providence | Rhode Island | 02912 | — |
| Insight Therapeutics, LLC | Norfolk | Virginia | 23510 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01815268, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 15, 2018 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01815268 live on ClinicalTrials.gov.