Immunogenicity, Tolerability and Safety of One or Two Doses of an Adjuvanted Swine-origin A H1N1 … (NCT00992212) | Clinical Trial Compass
CompletedPhase 2
Immunogenicity, Tolerability and Safety of One or Two Doses of an Adjuvanted Swine-origin A H1N1 Influenza Vaccine in Healthy Subjects 18 or More Years of Age Both Vaccinated and Not Yet Vaccinated Against Seasonal Influenza 2009/10
Italy418 participantsStarted 2009-08
Plain-language summary
This present study, a phase II, open label study will evaluate the immunogenicity, tolerability and safety of an adjuvanted, inactivated Novel Swine Origin A/H1N1 Monovalent Subunit Influenza Virus Vaccine in healthy subjects aged 18 years and above. This study will explore the effect of the previous and concomitant exposure to a seasonal influenza vaccination to the immunogenicity and safety profile of two different doses of an adjuvanted H1N1sw vaccine.
Who can participate
Age range18 Months
SexALL
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Inclusion criteria
✓. For study Groups A and B : subjects aged 18 years and above on the day of enrollment, who took part to the seasonal trials for the 2009/10 vaccine registration; For study Groups C to E: subjects aged 18 years and above on the day of enrollment, not yet exposed to the current seasonal formulation (2009/10 for NH) of the influenza vaccines;
✓. Individuals in good health as determined by medical history, physical examination and clinical judgment of the investigator;
✓. Documented consent obtained after the nature of the study has been explained according to local regulatory requirements;
✓. Individuals are able to comply with all study procedures and are available for all clinic visits scheduled in the study.
✓. Willingness to allow for serum samples to be stored beyond the study period, for potential additional future testing to better characterize immune response.
Exclusion criteria
✕. Individuals who are not able to comprehend and to follow all required study procedures; individuals with behavioral or cognitive impairment or psychiatric disease that, in the opinion of the investigator, may interfere with the subject's ability to participate in the study;
What they're measuring
1
To evaluate the immunogenicity, safety and tolerability of 1 and 2 IM doses of MF59-H1N1sw flu vaccine in adult-elderly subjects previously exposed to 09/10 NH TIV and in those not yet vaccinated against flu season 09/10.
. Individuals with history or any illness that, in the opinion of the investigator, might interfere with the results of the study or pose additional risk to the subjects due to participation in the study;
✕. Individuals who have had received an influenza vaccine for the 2009/10 NH influenza season (for subjects to be included in Groups C to E only) prior to Visit 1;
✕. Individuals who have had documented confirmed or suspected influenza disease within 6 months prior to Day 1.
✕. Receipt of another investigational agent within 4 weeks prior to enrollment, or before completion of the safety follow-up period in this or in another study;
✕. Individuals who received any other vaccines within 4 weeks prior to enrollment in this study and individuals who have ever received blood, blood products and/or plasma derivatives in the past 12 weeks;
✕. Individuals with axillary temperature ≥ 38.0°C within 3 days of study vaccination;
✕. Known or suspected impairment/alteration of immune function, for example resulting from: