Comparison of 4 Influenza Vaccines in Seniors
PCIRNRT09
Controlled Comparison in Canadian Seniors of Seasonal Influenza Vaccines for 2011-2012
1 other identifier
interventional
953
1 country
8
Brief Summary
Based on information from several years of looking at Influenza vaccination doctors know that:
- Older adults suffer the worst illness and most deaths caused by Influenza illness of all age groups.
- Older adults do not seem to get as good a level of protection as younger adults after getting the usual seasonal Influenza vaccine. Because of this information doctors wonder if one of the new seasonal Influenza vaccines is more effective or more acceptable. This study has been designed to answer some of these questions. On this study doctors will compare 2 new vaccines against the usual seasonal influenza vaccine for protectiveness using several different testing methods (including the usual tests) and for acceptability.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Jul 2011
Shorter than P25 for phase_4
8 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 6, 2011
CompletedFirst Posted
Study publicly available on registry
June 8, 2011
CompletedStudy Start
First participant enrolled
July 1, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
May 1, 2012
CompletedApril 15, 2015
April 1, 2015
5 months
June 6, 2011
April 14, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
HAI response
The primary outcome measures will be the 3-week post-vaccination immune (HAI) responses to the 3 vaccine strains present in each product, assessed by the EMEA/CHMP criteria for evaluation of immune responses to influenza vaccines in persons \>60 years of age.
Day 0; Day 21; Day 180
Secondary Outcomes (2)
Seroprotection rates using microneutralization titres and cytokine testing
Day 0; Day 21; and Day 70
Safety and Acceptability
Days 0-6; Day 21; Day 70; and Day 180
Study Arms (4)
Trivalent Influenza vaccine subunit
ACTIVE COMPARATORThe seasonal vaccine (Agriflu, Novartis) contains egg-derived, inactivated and detergent split versions of the 3 influenza strains (tri-valent). It is given into the muscle of the upper arm at a dose of 0.5 mL.
Adjuvanted Tri-valent Influenza Vaccine
ACTIVE COMPARATORThe adjuvanted vaccine (Fluad, Novartis) is made with an immune-stimulator (MF59) that contains squalene oil microdroplets and two surfactants, Tween 80 and Span 65. It is given into the muscle of the upper arm at a dose of 0.5 mL.
Intradermal Tri-valent Influenza vaccine
ACTIVE COMPARATOR(Intanza 15ug, Sanofi Pasteur) is an inactivated, split-virion influenza vaccine. Strains are grown in fertilized hen's eggs, inactivated with formalin and split using Triton X-100 detergent, as for TIV. The syringe is attached to a micro-needle injection system (Beckton Dickinson) that limits the depth of injection to just under the skin. It is given into the skin over the upper arm at a dose of 0.1 mL.
Trivalent Split-virion Influenza vaccine
ACTIVE COMPARATORVaxigrip, Sanofi Pasteur is an inactivated, split-virion Influenza vaccine. The 3 influenza strains are grown on fertilized eggs, concentrated, purified in a sugar-like solution, detergent split, and inactivated by formaldehyde, then diluted in phosphate buffered salt solution. A dose of 0.5 mL is given into the muscle of the arm.
Interventions
Eligibility Criteria
You may qualify if:
- Written informed consent provided by the subject, who can be male or female
- Subjects who the investigator believes can and will comply with the requirements of the protocol (i.e. return for follow-up visits, record safety observations and able to converse with study personnel including by personal telephone)
- Age 65 years or older at Visit 1
- Generally good health (stable chronic conditions acceptable), living independently or with minimal assistance (Clinical Frailty score 1-5) (33) and able to attend clinic appointments
- Receipt of at least one dose of TIV within the previous 2 influenza seasons, documented by written record or attested by a confident personal recollection. This refers to the trivalent seasonal vaccine, not the H1N12009 pandemic vaccine.
You may not qualify if:
- receipt of non-study influenza vaccine for 2011-12
- receipt of any live vaccine within 4 weeks or inactivated vaccine within one week of Visit 1 or planned administration of any non-study vaccines between Visits 1 and 2
- systemic hypersensitivity to influenza vaccine, hen's eggs or other vaccine constituent (eg neomycin sulphate, kanamycin, formalin)
- severe reaction to any previous influenza vaccine or vaccine component
- bleeding disorder, including anticoagulant therapy or thrombocytopenia, that contraindicates IM injection or blood collection (does not include daily low-dose ASA).
- incapacity to provide fully informed consent or be attentive to follow-up observations, resulting from cognitive impairment, abuse of alcohol, drug addiction
- lack of telephone access, inadequate fluency in English (or French in applicable jurisdictions), uncertain availability during the 3 week study participation period or for the 6 month follow-up visit
- immune compromise resulting from disease or immunosuppressive systemic medication use within 3 months of V1
- receipt of blood or blood product within 3 months of V1
- unstable medical condition, as indicated by a requirement for hospitalization or a substantial medication change to stabilize said condition within previous 3 months
- Clinical Frailty score of 6-7 (moderately frail or severely frail)
- history of Guillain-Barré syndrome
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (8)
University of British Columbia, VITALiTY Research Center
Vancouver, British Columbia, Canada
University of Manitoba, Department of Medicine
Winnipeg, Manitoba, Canada
Canadian Centre for Vaccinology Dalhousie University
Halifax, Nova Scotia, Canada
McMaster University
Hamilton, Ontario, Canada
The Ottawa Hospital Research Institute, University of Ottawa
Ottawa, Ontario, Canada
University of Toronto, Mt Sinai Hospital
Toronto, Ontario, Canada
McGill University Health Center - Vaccine Study Center
Montreal, Quebec, Canada
Unité de Recherche en Santé Publique (CHUQ),
Québec, Quebec, Canada
Related Publications (1)
Skowronski DM, Janjua NZ, De Serres G, Purych D, Gilca V, Scheifele DW, Dionne M, Sabaiduc S, Gardy JL, Li G, Bastien N, Petric M, Boivin G, Li Y. Cross-reactive and vaccine-induced antibody to an emerging swine-origin variant of influenza A virus subtype H3N2 (H3N2v). J Infect Dis. 2012 Dec 15;206(12):1852-61. doi: 10.1093/infdis/jis500. Epub 2012 Aug 7.
PMID: 22872731DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
David W Scheifele, MD
University of Britich Columbia
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 6, 2011
First Posted
June 8, 2011
Study Start
July 1, 2011
Primary Completion
December 1, 2011
Study Completion
May 1, 2012
Last Updated
April 15, 2015
Record last verified: 2015-04