E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Prophylaxis for influenza virus |
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E.1.1.1 | Medical condition in easily understood language |
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E.1.1.2 | Therapeutic area | Diseases [C] - Virus Diseases [C02] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 19.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10022000 |
E.1.2 | Term | Influenza |
E.1.2 | System Organ Class | 10021881 - Infections and infestations |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
The relative efficacy of aQIV compared to comparator vaccine as determined by RT-PCR-confirmed influenza |
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E.2.2 | Secondary objectives of the trial |
* The relative efficacy of aQIV compared to comparator as determined by the proportion of subjects with culture-confirmed influenza
* The relative efficacy of aQIV compared to comparator as determined by RT-PCR-confirmed influenza in age subgroups, in children at risk of influenza, and in children depending on previous vaccination status
* The early relative efficacy of aQIV compared to comparator as determined by RT-PCR-confirmed influenza
To compare antibody * responses between aQIV and comparator (including assessment of non-inferiority and superiority)
* To evaluate healthcare utilization and health economic outcomes
* To evaluate safety and tolerability of each study vaccine
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
* Children, males and females, healthy or at high risk of complications from influenza, between ≥6 months to <72 months of age
* Documented consent provided by the subject’s parent(s)/legal guardian(s)
* Subjects and/or subject’s parent(s)/legal guardian(s) able to comply with all study procedures. |
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E.4 | Principal exclusion criteria |
* Subjects with a history of allergy to vaccine components
* Additional eligibility criteria may be discussed by contacting the site |
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary endpoint is on RT-PCR-confirmed influenza cases occurring at ≥21 days and ≤ 180 days after the last vaccination or until the end of the influenza season, whichever is longer. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Weekly from Day 1 up to 180 days after the last vaccination or until the end of influenza season, whichever is longer. |
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E.5.2 | Secondary end point(s) |
*Secondary efficacy endpoint:
Hazard ratios calculated
1.Occurrence of culture-confirmed influenza cases in all subjects occurring at ≥21 days and ≤ 180 days after the last vaccination or until the end of the influenza season, whichever is longer,
2. Early occurrence of RT-PCR-confirmed influenza cases in all subjects on first-occurrence of RT-PCR-confirmed influenza cases
*Secondary Immunogenicity Endpoints
The endpoints for immunogenicity measured in aQIV and comparator as determined by HI are as follows:
1.Geometric mean HI titer (GMT).
2.Geometric mean ratio (GMR)
3.Percentage of vaccine naïve and non-naïve subjects achieving seroconversion;
4.Percentage of subjects with HI titer ≥ 1:40
5.Percentage of subjects with higher HI titer thresholds
* Other Endpoints (Health Economic Outcome):
1. Number of medical visit for respiratory illness in subjects associated with RT-PCR-confirmed influenza
2.Number of employment days missed by parent(s)/guardian(s) of subjects with RT-PCR-confirmed influenza.
3.Number of days of daycare, school or preschool missed by subjects associated with RT-PCR-confirmed influenza
* Safety Endpoints:
1.Percentages of subjects with solicited AEs.
2.Percentages of subjects with all unsolicited AEs.
3.Percentage of subjects with SAEs, AEs leading to withdrawal from the study or study vaccination, New Onset of Chronic Disease (NOCD), Adverse Events of Special Interest(AESI) and all medications associated. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Secondary Immunogenicity Endpoints:
1.vaccine naïve subjects: on Day 1, 29, 50 & 209, vaccine non-naïve subjects: on Day 1, 22 & 181
2.vaccine naïve subjects on Day 29/Day 1, D50/D1 & D209/D1, non-naïve: D22/D1 & D181/D1
3.vaccine naïve subjects: on Day 29 & 50, non-naïve subjects: on Day 22
4.vaccine naïve subjects on Day 29, 50 & 209, non-naïve: Day 22 & 181
5.vaccine naïve subjects on Day 29, 50 & 209, non-naïve: Day 22 & 181
Other Endpoints (Health Economic Outcome):
1.within a window of 14 days after ILI-onset
2.within a window of 14 days after ILI-onset
3.within a window of 14 days after ILI-onset
Safety Endpoints:
1.for 7 days following each vaccination
2.vaccine-naïve subjects: from Day 1 to 50, non-naïve subjects from Day 1 to 22
3. 12 months after last vaccination |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | Yes |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
-Immunogenicity
-Health Economic Outcome |
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E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | Yes |
E.8.1.7.1 | Other trial design description |
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E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | Yes |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 10 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 44 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Canada |
Finland |
Italy |
Mexico |
Philippines |
Poland |
Russian Federation |
Spain |
Taiwan |
Thailand |
United States |
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E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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Completion of testing of the biological samples, to be achieved no
later than 8 months after collection of the last biological sample visit.
Evaluation of the primary and/or secondary immunogenicity/efficacy objectives requires testing of biological samples from study subjects. The last samples for the analysis of such objectives will be taken up to 180 d after the last vaccination (V7: D181 for non-naïve subj. or V9: D209 for naïve) or until end of influenza season, whichever is longer. |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 3 |
E.8.9.1 | In the Member State concerned months | 4 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 3 |
E.8.9.2 | In all countries concerned by the trial months | 4 |
E.8.9.2 | In all countries concerned by the trial days | 0 |