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A Study to Assess the Immunogenicity and Safety of CSL's 2012/2013 Formulation of Enzira® Vaccine in Healthy Volunteers
A Phase IV, Single-Centre, Open-label Study to Evaluate the Immunogenicity and Safety of the 2012/2013 Formulation of the Enzira® Vaccine in Two Groups of Healthy Volunteers: 'Adults' (Aged 18 to 59 Years) and 'Older Adults' (Aged 60 Years or Older)
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Studietype
Inschrijving (Werkelijk)
Fase
- Fase 4
Contacten en locaties
Studie Locaties
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London, Verenigd Koninkrijk, NW10 7EW
- Study Site
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
- Males or females aged 18 years or older at the time of vaccination.
- Females of child-bearing potential (i.e., ovulating, pre-menopausal, not surgically sterile) must be abstinent or be willing to use a medically accepted contraceptive regimen for the duration of the study. Females of child-bearing potential must return a negative urine pregnancy test result prior to vaccination with the vaccine.
Exclusion Criteria:
- Known hypersensitivity to a previous vaccination with influenza vaccine or allergy to eggs, ovalbumin, chicken protein, neomycin, polymyxin, or any components of the vaccine.
- Clinical signs of an active infection.
- A clinically significant medical condition.
- Vaccination with a seasonal or experimental influenza virus vaccine in the 6 months preceding study entry.
- Females who are pregnant or lactating.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Preventie
- Toewijzing: Niet-gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Experimenteel: Adults
Healthy volunteers aged 18 to 59 years received a single 0.5 mL dose of CSL Influenza Vaccine by intramuscular or subcutaneous injection.
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The study vaccine (CSL Influenza Vaccine) is a sterile, thiomersal-free suspension containing 45 mcg total haemagglutinin antigen per 0.5 mL dose (15 mcg each of the three recommended influenza strains for the Northern Hemisphere 2012/2013 influenza season).
The vaccine will be administered by intramuscular or subcutaneous injection.
Andere namen:
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Experimenteel: Older Adults
Healthy volunteers aged 60 years or older received a single 0.5 mL dose of CSL Influenza Vaccine by intramuscular or subcutaneous injection.
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The study vaccine (CSL Influenza Vaccine) is a sterile, thiomersal-free suspension containing 45 mcg total haemagglutinin antigen per 0.5 mL dose (15 mcg each of the three recommended influenza strains for the Northern Hemisphere 2012/2013 influenza season).
The vaccine will be administered by intramuscular or subcutaneous injection.
Andere namen:
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
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Het percentage evalueerbare deelnemers dat een HI-titer ≥ 40 of een enkelvoudig radiaal hemolysegebied (SRH) ≥ 25 mm2 bereikt.
Tijdsspanne: Ongeveer 21 dagen na vaccinatie
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Voor de H1N1-, H3N2- en B-influenzavirusstammen.
Opmerking: er zijn geen SRH-gegevens verzameld.
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Ongeveer 21 dagen na vaccinatie
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The Percentage of Evaluable Participants Achieving Seroconversion or Significant Increase in Antibody Titre.
Tijdsspanne: Approximately 21 days after vaccination
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As per the criteria specified in the CPMP/BWP/214/96 Note for Guidance on Harmonisation of Requirements for Influenza Vaccines.
For haemagglutination inhibition (HI), seroconversion (H1N1, H3N2, and B influenza virus strains) was defined as achieving a post-vaccination titre of ≥ 40 for those participants with a pre-vaccination HI titre of < 10.
A significant increase (H1N1, H3N2, and B influenza virus strains) was defined as a four-fold or greater increase in HI titre for those participants with a pre-vaccination HI titre of ≥ 10.
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Approximately 21 days after vaccination
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The Geometric Mean Fold Increase (GMFI) in Antibody Titre After Vaccination.
Tijdsspanne: Approximately 21 days after vaccination
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GMFI (H1N1, H3N2, and B influenza virus strains) was defined as the geometric mean of the fold increases of post-vaccination antibody titre over the pre-vaccination antibody titre.
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Approximately 21 days after vaccination
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
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Frequency and Intensity of Any Solicited Adverse Events (AEs).
Tijdsspanne: During the 4 days after vaccination (Day 0 plus 3 days)
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The percentage of participants reporting any solicited AEs and the percentage of participants reporting any solicited AEs with severe intensity. Note: Intensity of solicited AEs was collected for temperature only. Solicited local AEs collected included induration >50 mm, erythema, ecchymosis, and pain at the vaccination site. Solicited systemic AEs collected included temperature above 38.0°C, chills, and malaise. Solicited AE intensity grading: Mild: symptoms were easily tolerated and there was no interference with daily activities; Moderate: enough discomfort to cause some interference with daily activities; Severe: symptoms that prevented normal, everyday activities. |
During the 4 days after vaccination (Day 0 plus 3 days)
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Frequency of Any Unsolicited AEs.
Tijdsspanne: After vaccination until the end of the study; approximately 21 days
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The percentage of participants reporting any unsolicited AEs.
Unsolicited AEs included AEs other than those specifically solicited.
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After vaccination until the end of the study; approximately 21 days
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Medewerkers en onderzoekers
Sponsor
Onderzoekers
- Studie directeur: Clinical Director Vaccines, Seqirus
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- CSLCT-ASU-12-76
- 2012-001101-24 (EudraCT-nummer)
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