Study to Evaluate Safety and Immunogenicity of Sub-unit Adjuvanted Influenza Vaccine Administered to Elderly Subjects, Formulation 2011-2012
A Phase II, Open Label, Uncontrolled, Multi Center Study to Evaluate Safety and Immunogenicity of a Surface Antigen, Inactivated, Adjuvanted With MF59C.1 Influenza Vaccine, Formulation 2011-2012, When Administered to Elderly Subjects
2 other identifiers
interventional
63
1 country
6
Brief Summary
This study will evaluate the safety and immunogenicity of a sub-unit, adjuvanted Influenza Vaccine Administered to Elderly Subjects.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started May 2011
Shorter than P25 for phase_2
6 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 21, 2011
CompletedFirst Posted
Study publicly available on registry
April 28, 2011
CompletedStudy Start
First participant enrolled
May 1, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2011
CompletedResults Posted
Study results publicly available
January 28, 2016
CompletedApril 28, 2023
April 1, 2023
1 month
April 21, 2011
December 21, 2015
April 27, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Percentage of Participants Who Achieved Seroconversion or Significant Increase in Single Radial Hemolysis (SRH) Area Against Each of Three Vaccine Strains After One Vaccination of FLUAD
Immunogenicity was measured as the percentage of participants who achieved seroconversion or significant increase in single radial hemolysis (SRH) area, against each of the three vaccine strains, three weeks after vaccination (day 22), evaluated using SRH assay. Seroconversion: proportion of participants with negative pre-vaccination serum and a post-vaccination serum area ≥ 25 mm2. Significant increase: proportion of participants with at least a 50% increase in area from positive pre-vaccination serum. Seroconversion or significant increase: proportion of participants with either seroconversion or significant increase. The European (Committee for Medicinal Products for Human Use \[CHMP\]) criterion is met, if percentage of participants achieving seroconversion or significant increase in SRH area is 30% (≥65 years).
day 22
Geometric Mean Ratio of Participants Against Each of the Three Vaccine Strains After One Vaccination of FLUAD
Geometric mean ratio (GMR) of participants was calculated as the ratio of post-vaccination to pre-vaccination SRH geometric mean areas (GMAs), directed against each of the three vaccine strains, three weeks after FLUAD vaccination (day 22). The CHMP criterion was met if the geometric mean increase (GMR, day 22/day 1) in SRH antibody area is \>2.0 (≥65 years).
day 22
Percentage of Participants Who Achieved SRH Area ≥25mm2 Against Each of the Three Vaccine Strains After One Vaccination of FLUAD
Immunogenicity was measured as the percentage of participants achieving SRH area ≥25 mm2 against each of the three vaccine strains at baseline (day 1) and three weeks after FLUAD vaccination (day 22). This criterion is met according to CHMP guideline if percentage of participants achieving SRH area ≥25 mm2 is 60% (≥65 years).
day 22
Secondary Outcomes (1)
Number of Participants Who Reported Solicited Local and Systemic Reactions
1 to 4 days post-vaccination
Study Arms (1)
Sub unit, Inactivated, MF59C.1 Adjuvanted Influenza Vaccine
OTHERNo comparator is administered, only one IM single dose of trivalent subunit inactivated influenza vaccine is administered during the vaccination visit
Interventions
This phase II is performed as a multicenter study in elderly subjects. Enrolled subjects received one single IM dose of trivalent subunit inactivated adjuvanted flu vaccine during the vaccination visit, according to the study protocol (follow-up period: until day 22) .
Eligibility Criteria
You may qualify if:
- Males and females volunteers of 65 years of age or older, mentally competent, willing and able to give written informed consent prior to study entry.
- Individuals able to comply with all the study requirements.
- Individuals in good health as determined by the outcome of medical history, physical examination and clinical judgment of the investigator.
- Written informed consent must be obtained for all the subjects before enrollment into the study after the nature of the study has been explained.
You may not qualify if:
- Individuals with any serious chronic or acute disease.
- Individuals with history of any anaphylactic reaction and/or serious allergic reaction following a vaccination.
- Individuals with known or suspected impairment/alteration of immune function.
- Individuals with known or suspected history of drug or alcohol abuse.
- Individuals with a bleeding diathesis or conditions associated with prolonged bleeding time that in the investigator's opinion would interfere with the safety of the subject.
- Individuals within the past 6 months, they have: had any seasonal or pandemic laboratory confirmed influenza disease; received any seasonal or pandemic influenza vaccine.
- Individuals with any acute or chronic infections requiring systemic antibiotic treatment or antiviral therapy within the last 7 days.
- Individuals that have experienced fever (i.e., axillary temperature ≥38°C) within the last 3 days of intended study vaccination.
- Individuals participating in any clinical trial with another investigational product 4 weeks prior to first study visit or intent to participate in another clinical study at any time during the conduct of this study.
- Individuals who received any other vaccines within 4 weeks prior to enrollment in this study or who are planning to receive any vaccine within 4 weeks from the study vaccines.
- Individuals who are part of study personnel or close family members conducting this study.
- BMI \> 35 kg/m2.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (6)
Dipartimento di Medicina e Scienze dell'Invecchiamento, Università G. D'Annunzio
Via Dei Vestini, Chieti, 66100, Italy
Department of "Scienze della Salute" University of Genova Via Pastore 1
Genova, 16132, Italy
Satellite: "ASL Lanciano - Vasto", sede legale Via S Spaventa 37
Lanciano, 66034, Italy
Satellite: "Distretto Sanitario di Base di Fossacesia" in Via Polidoro-Vasto
Lanciano, Italy
Vaccine and Immunotherapy Research Center Department of Infectious and Tropical Diseases San Raffaele Scientific Institute Via Stamira d'Ancona 20
Milan, 20127, Italy
Department of "malattie infettive" Ospedale San Gerardo, via Pergolesi 33
Monza, 20052, Italy
Results Point of Contact
- Title
- Posting Director
- Organization
- Novartis Vaccines and Diagnostics
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NA
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 21, 2011
First Posted
April 28, 2011
Study Start
May 1, 2011
Primary Completion
June 1, 2011
Study Completion
June 1, 2011
Last Updated
April 28, 2023
Results First Posted
January 28, 2016
Record last verified: 2023-04