The Effects of Attenuated Versus Inactivated Flu Vaccine in Twin Sets
Public ClinicalTrials.gov record NCT03898986. 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.
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Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is one project of a larger ongoing study related to the immune system's response to the flu virus. This study is designed to investigate the immune response to the live attenuated influenza vaccine (LAIV) vs. the Inactivated Influenza Vaccine (IIV) in identical and fraternal twins.
Study identification
- NCT ID
- NCT03898986
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Enrollment
- 18 participants
Conditions and interventions
Conditions
Interventions
- Live attenuated influenza vaccine (LAIV4) Biological
- Inactivated Influenza Vaccine (IIV4) Biological
Biological
Eligibility (public fields only)
- Age range
- 2 Years to 20 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
- Oct 8, 2019 (Actual)
- Primary completion
- Dec 31, 2023 (Actual)
- Completion
- Dec 31, 2023 (Actual)
- Last update posted
- Mar 6, 2025
2019 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Stanford University School of Medicine | Stanford | California | 94305 | — |
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 NCT03898986, 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 Mar 6, 2025 · Synced Nov 5, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT03898986 live on ClinicalTrials.gov.