Effect of Age and Prior Immunity on Response to H1N1 Vaccines in Children
Public ClinicalTrials.gov record NCT01097941. 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
Evaluation of the Effect of Age and Prior Immunity on the Response to Live or Inactivated A/California/07/09 H1N1 Influenza Vaccines in Children
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
A total of 51 children between the ages of 4 and 9 will be randomized to receive a two dose schedule of either licensed live attenuated A/California/07/09 influenza vaccine (LAIV) or licensed inactivated A/California/07/09 influenza vaccine (IIV) or IIV followed by LAIV separated by 28 days. Children with prior vaccination or natural infection with novel H1N1 influenza will be excluded. Randomization will be stratified by pre-existing HAI titers to the previous winter's seasonal H1N1 A/Brisbane/57/07 reference virus.
Study identification
- NCT ID
- NCT01097941
- Recruitment status
- Withdrawn
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- Not listed
Conditions and interventions
Conditions
Interventions
- Live Attenuated H1N1 Influenza Vaccine Biological
- Influenza A (H1N1) 2009 Monovalent Vaccine Biological
- Influenza A (H1N1) 2009 Monovalent Vaccine/ Influenza A (H1N1) Monovalent Vaccine Live Biological
Biological
Eligibility (public fields only)
- Age range
- 4 Years to 9 Years
- 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
- Feb 28, 2010
- Primary completion
- Aug 31, 2010
- Completion
- Aug 31, 2010
- Last update posted
- Sep 23, 2015
2010
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Rochester Medical Center, Vaccine Research Unit Room 3-5000 | Rochester | New York | 14642 | — |
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 NCT01097941, 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 Sep 23, 2015 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01097941 live on ClinicalTrials.gov.