Clinical Trials List
2016-11-01 - 2017-12-31
Phase III
Terminated2
ICD-10J10.1
Influenza due to other identified influenza virus with other respiratory manifestations
A Phase III, Multi-center, Single Dose, Randomized, Double-blind, Non-inferiority and Lot-to-lot Consistency Study of Immunogenicity and Safety Evaluation of AdimFlu-S Quadrivalent Inactivated Influenza Vaccine (QIS) versus Fluarix Tetra Vaccine in Healthy Subjects
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Trial Applicant
Clinipace Taiwan Co., Ltd
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Sponsor
Adimmune Corporation
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Trial scale
Multi-Regional Multi-Center
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Update
2026/04/01
Investigators and Locations
The Actual Total Number of Participants Enrolled
0 Completed
The Actual Total Number of Participants Enrolled
0 Completed
Audit
None
Condition/Disease
Objectives
Test Drug
Active Ingredient
Dosage Form
Dosage
Endpoints
The subjects receiving AdimFlu-S (QIS) vaccine will be pooled and compared with Fluarix Tetra group.
• PP population.
• Adjusted GMTs estimated using ANCOVA model filled on the log10 post vaccination titers including treatment, age group, and country as fixed effects and pre-vaccination titers as the co-variate.
• 2-sided 95% CI of the differences of the adjusted means of the log10 post-vaccination titers (FluarixTetra – AdimFlu-S (QIS)) will be computed from the above model.
• GMTRs (with two-sided 95% CI) with AdimFlu-S (QIS) as numerator and Fluarix Tetra as denominator will be computed by taking the anti-log10 of the difference in adjusted means and of the lower and upper limits of its 95% CI.
• If the upper limit of the two-sided 95% CI on the GMTRs does not exceed 3/2 (or, equivalently, if the upper limit of the two-sided 95% CI on the log10 titers mean difference does not exceed 0.176) for a given strain, the non-inferiority of AdimFlu-S (QIS) over Fluarix Tetra in terms of GMT of HAI antibodies will be concluded for that specific strain.
• The global non-inferiority of AdimFlu-S (QIS) over Fluarix Tetra in terms of GMT of HAI antibodies will be concluded if the 95% CI of all the four strains meet the non-inferiority criteria simultaneously.
• For the non-inferiority analysis on SCR, the upper limit of two-sided 95% CI of the difference (FluarixTetra minus AdimFlu-S (QIS)) does not exceed 10% for that specific strain.
• The global non-inferiority of AdimFlu-S (QIS) over Fluarix Tetra on SCR will be concluded if the 95% CI of all the four strains meet the non-inferiority criteria simultaneously.
• The overall non-inferiority of AdimFlu-S (QIS) over Fluarix Tetra on immunogenicity will be demonstrated when global non-inferiority on GMTs and SCRs are both concluded.
Inclution Criteria
1. Males or non-pregnant females and aged ≥18 years;
2. Stable health status is defined by the absence of a health event satisfying the definition of a serious adverse event, or a change in an ongoing drug therapy due to therapeutic failure or symptoms of drug toxicity, within 1 month prior to enrolment;
3. Willing and able to adhere to visit schedules and all study requirements. If necessary, the burden of a site visit can be removed by a subject-centric approach. At investigators’ discretion, registered nurses and technology can be used in off-site facilities such as nursing home for subject recruitment, monitoring, and sample collection;
4. Subjects are willing to provide signed study-specific informed consent.
Exclusion Criteria
1. Subjects received seasonal influenza vaccine within 6 months prior to study vaccination;
2. Clinically or virologically confirmed influenza infection within 6 months preceding the study start;
3. Any known or suspected allergy to any constituent of influenza vaccines (including but not limited to egg proteins) or a history of severe adverse reaction to a previous influenza vaccine;
4. Personal or family history of Guillain-Barré Syndrome;
5. Diagnosed coagulant function abnormality (e.g. clotting factor deficiency, clotting hemorrhagic disease, abnormal platelet function);
6. An acute febrile illness within 1 week prior to vaccination;
7. Subjects with influenza-like illness as defined by the presence of fever (temperature ≥ 38.0°C).
8. Female subjects who are pregnant, lactating or likely to become pregnant during the study; also women of childbearing potential who disagree to use an acceptable method of contraception (e.g. hormonal contraceptives, IUD, barrier device or abstinence) throughout the study;
9. Presence of evidence of substance abuse or of neurological or psychiatric diagnoses which, although stable, are deemed by the investigator to render the potential subject unable/unlikely to provide accurate safety reports;
10. Treatment with an investigational drug or device within 3 months prior to study vaccination;
11. Any confirmed or suspected immunosuppressive or immunodeficient condition including history of human immunodeficiency virus (HIV) infection;
12. Chronic administration (defined as more than 14 days in total) of immunosuppressant or other immune modifying drugs within 6 months of study enrolment or planned administration during the study period. For corticosteroids, this will mean a dose equivalent to ≥ 20 mg/day of prednisone or equivalent for persons for > 2 weeks. Inhaled and topical steroids are allowed;
13. Receipt of live virus vaccine (both licensed and investigated) within 1 month prior to study vaccine or expected receipt within 1 month after study vaccination; receipt of any inactivated vaccine (both licensed and investigated) within 2 weeks prior to study vaccination or expected receipt within 1 month after study vaccination;
14. Receipt of any blood products, including immunoglobulin, within 3 months prior to study vaccination, which might interfere with assessment of the immune response;
15. Underlying condition which in the investigators’ opinion may interfere with evaluation of the study vaccine or prevents the subject from participating in the study.
The Estimated Number of Participants
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Taiwan
1050 participants
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Global
2100 participants