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Trial · NCT00860067

Registered outcomes24

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryThe 4 Post-dose Strain-specific Serum Hemagglutination Inhibition (HAI) Antibody Geometric Mean Titers (GMT) in the Q/LAIV (MEDI3250) Arm Are Noninferior to Those in the Comparator FluMist Group.Day 28-35
Noninferior immune response was defined as having the upper bound of the 2-sided 95% confidence intervals (CIs) for the HAI antibody GMT ratio (FluMist comparator divided by Q/LAIV) ≤ 1.5 for each of the 4 strains.
SecondaryThe Number of Participants (Regardless of Serostatus) Within Each Treatment Arm Who Experience Strain-specific Seroresponse Post Dose.Day 0 and Day 28-35Seroresponse was defined as a ≥ 4-fold rise in HAI titer from baseline.
SecondaryThe Number of Serosusceptible Participants Within Each Treatment Arm Who Experience A/H1N1 Strain-specific Seroresponse Post Dose.Day 0 and Day 28-35Seroresponse was defined as a ≥ 4-fold rise in HAI titer from baseline. Participants with a baseline HAI titer \<= 8 were considered to be serosusceptible for that strain.
SecondaryThe Number of Serosusceptible Participants Within Each Treatment Arm Who Experience A/H3N2 Strain-specific Seroresponse Post Dose.Day 0 and Day 28-35Seroresponse was defined as a ≥ 4-fold rise in HAI titer from baseline. Participants with a baseline HAI titer \<= 8 were considered to be serosusceptible for that strain.
SecondaryThe Number of Serosusceptible Participants Within Each Treatment Arm Who Experience B/Yamagata Strain-specific Seroresponse Post Dose.Day 0 and Day 28-35Seroresponse was defined as a ≥ 4-fold rise in HAI titer from baseline. Participants with a baseline HAI titer \<= 8 were considered to be serosusceptible for that strain.
SecondaryThe Number of Serosusceptible Participants Within Each Treatment Arm Who Experience B/Victoria Strain-specific Seroresponse Post Dose.Day 0 and Day 28-35Seroresponse was defined as a ≥ 4-fold rise in HAI titer from baseline. Participants with a baseline HAI titer \<= 8 were considered to be serosusceptible for that strain.
SecondaryThe Number of Seropositive Participants Within Each Treatment Arm Who Experience A/H1N1 Strain-specific Seroresponse Post Dose.Day 0 and Day 28-35Seroresponse was defined as a ≥ 4-fold rise in HAI titer from baseline. Participants with a baseline HAI titer \> 8 were considered to be seropositive for that strain.
SecondaryThe Number of Seropositive Participants Within Each Treatment Arm Who Experience A/H3N2 Strain-specific Seroresponse Post Dose.Day 0 and Day 28-35Seroresponse was defined as a ≥ 4-fold rise in HAI titer from baseline. Participants with a baseline HAI titer \> 8 were considered to be seropositive for that strain.
SecondaryThe Number of Seropositive Participants Within Each Treatment Arm Who Experience B/Yamagata Strain-specific Seroresponse Post Dose.Day 0 and Day 28-35Seroresponse was defined as a ≥ 4-fold rise in HAI titer from baseline. Participants with a baseline HAI titer \> 8 were considered to be seropositive for that strain.
SecondaryThe Number of Seropositive Participants Within Each Treatment Arm Who Experience B/Victoria Strain-specific Seroresponse Post Dose.Day 0 and Day 28-35Seroresponse was defined as a ≥ 4-fold rise in HAI titer from baseline. Participants with a baseline HAI titer \> 8 were considered to be seropositive for that strain.
SecondaryThe Number of Participants (Regardless of Serostatus) Within Each Treatment Arm Who Achieved a Strain-specific HAI Antibody Titer ≥ 32 Post Dose.Day 28-35
SecondaryThe Number of Serosusceptible Participants Within Each Treatment Arm Who Achieved a A/H1N1 Strain-specific HAI Antibody Titer ≥ 32 Post Dose.Day 28-35Participants with a strain-specific baseline HAI titer ≤ 8 were considered to be serosusceptible to that strain.
SecondaryThe Number of Serosusceptible Participants Within Each Treatment Arm Who Achieved a A/H3N2 Strain-specific HAI Antibody Titer ≥ 32 Post Dose.Day 28-35Participants with a strain-specific baseline HAI titer ≤ 8 were considered to be serosusceptible to that strain.
SecondaryThe Number of Serosusceptible Participants Within Each Treatment Arm Who Achieved a B/Yamagata Strain-specific HAI Antibody Titer ≥ 32 Post Dose.Day 28-35Participants with a strain-specific baseline HAI titer ≤ 8 were considered to be serosusceptible to that strain.
SecondaryThe Number of Serosusceptible Participants Within Each Treatment Arm Who Achieved a B/Victoria Strain-specific HAI Antibody Titer ≥ 32 Post Dose.Day 28-35Participants with a strain-specific baseline HAI titer ≤ 8 were considered to be serosusceptible to that strain.
SecondaryThe Number of Seropositive Participants Within Each Treatment Arm Who Achieved a A/H1N1 Strain-specific HAI Antibody Titer ≥ 32 Post Dose.Day 28-35Participants with a baseline HAI titer \> 8 were considered to be seropositive for that strain.
SecondaryThe Number of Seropositive Participants Within Each Treatment Arm Who Achieved a A/H3N2 Strain-specific HAI Antibody Titer ≥ 32 Post Dose.Day 28-35Participants with a baseline HAI titer \> 8 were considered to be seropositive for that strain.
SecondaryThe Number of Seropositive Participants Within Each Treatment Arm Who Achieved a B/Yamagata Strain-specific HAI Antibody Titer ≥ 32 Post Dose.Day 28-35Participants with a baseline HAI titer \> 8 were considered to be seropositive for that strain.
SecondaryThe Number of Seropositive Participants Within Each Treatment Arm Who Achieved a B/Victoria Strain-specific HAI Antibody Titer ≥ 32 Post Dose.Day 28-35Participants with a baseline HAI titer \> 8 were considered to be seropositive for that strain.
SecondaryThe Number of Participants Experiencing Each Solicited Symptom From Administration of Investigational Product Through 14 Days Post VaccinationDays 0-14
Solicited symptoms were fever ≥ 100.4°F (38.0°C), runny/stuffy nose, sore throat, cough, headache, generalized muscle aches, decreased activity level (lethargy) OR tiredness/weakness, decreased appetite. Collection of specific solicited symptoms (sore throat, headache, generalized muscle aches) was omitted when, according to the judgment of the investigator, the subject was too young to reliably report a particular symptom.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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