Cited by 232Influenza Virus Research StudiesBacterial Infections and VaccinesRespiratory viral infections research

Effectiveness of MF59-adjuvanted seasonal influenza vaccine in the elderly: A systematic review and meta-analysis

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Domnich, Alexander, Arata, Lucia, Amicizia, Daniela, Puig-Barberà, Joan, Gasparini, Roberto, Panatto, Donatella·2017·Vaccine

Abstract

BACKGROUND: In the elderly, traditional influenza inactivated vaccines are often only modestly immunogenic, owing to immunosenescence. Given that adjuvantation is a means of enhancing the immune response, the trivalent inactivated vaccine adjuvanted with MF59 (MF59-TIV) was specifically designed to overcome this problem. Considering that, for ethical reasons, the absolute effectiveness of an influenza vaccine in the elderly cannot be demonstrated in placebo-controlled studies, the present study aimed to assess the effectiveness of MF59-TIV in preventing influenza-related outcomes in the elderly. METHODS: We conducted a systematic review of observational studies aimed at evaluating the effectiveness of MF59-TIV against influenza-related outcomes. Results of single studies were pooled whenever possible. RESULTS: Of the 1993 papers screened, 11 (6 case-control, 3 cohort and 2 prospective case-control) studies were identified. Hospitalization due to pneumonia/influenza and laboratory-confirmed influenza were reported in more than one study, while other outcomes (influenza-like illness, cardio- and cerebrovascular accidents) were investigated only by one study each. Pooled analysis of four case-control studies showed an adjusted MF59-TIV effectiveness of 51% (95% CI: 39-61%) against hospitalizations for pneumonia/influenza among community-dwelling seniors. Pooled results of the adjusted vaccine effectiveness against laboratory-confirmed influenza were also high (60.1%), although the 95% CI passed through zero (-1.3 to 84.3%). Other single community-based studies showed very high effectiveness of MF59-TIV in preventing hospitalizations for acute coronary [87% (95% CI: 35-97%)] and cerebrovascular [93% (95% CI: 52-99%)] events. MF59-TIV proved highly effective [94% (95% CI: 47-100%] in reducing influenza-like illness among institutionalized elderly. Furthermore, MF59-TIV displayed greater efficacy than non-adjuvanted vaccines in preventing hospitalizations due to pneumonia/influenza [adjusted risk ratio 0.75 (95% CI: 0.57-0.98)] and laboratory-confirmed influenza [adjusted odds ratio 0.37 (0.14-0.96)]. CONCLUSIONS: Our results suggest that MF59-TIV is effective in reducing several influenza-related outcomes among the elderly, especially hospitalizations due to influenza-related complications.

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Crossref · 10.1016/j.vaccine.2016.12.011

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  • In comparative vaccination trials of older individuals, MF59 outperformed nonadjuvanted influenza vaccine in inducing virus-specific antibodies and improving clinical outcome.

    “In comparative vaccination trials of older individuals, MF59, widely used in Europe, outperformed the nonadjuvanted vaccine in inducing influenza virus-specific antibodies and improving clinical outcome”

    From Successful and Maladaptive T Cell Aging (2017) · cites this paper as Domnich et al., 2017

  • Emerging data following the recent development and deployment of new-generation, high-dose or adjuvanted influenza vaccines and an adjuvanted glycoprotein varicella zoster vaccine suggest that the provision of additional signals to the immune system by certain adjuvants (such as AS01 and MF59) can overcome immunosenescence.

    “emerging data following the recent development and deployment of new-generation, high-dose or adjuvanted influenza vaccines82 and an adjuvanted glycoprotein varicella zoster vaccine83 suggest that the provision of additional signals to the immune system by certain adjuvants (such as AS01 and MF59) can overcome immunosenescence.”

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Research works printed but not linked: 2

  1. Official Journal of the European Union. Council recommendation of 22 December 2009 on seasonal influenza vaccination. <http://eur-lex.europa.eu/ LexUriServ/LexUriServ.do?uri=OJ:L:2009:348:0071:0072:EN:PDF>.
  2. Stroup DF, Berlin JA, Morton SC, Olkin I, Williamson GD, Rennie D, et al. Meta- analysis of observational studies in epidemiology: a proposal for reporting. Meta-analysis Of Observational Studies in Epidemiology (MOOSE) group. JAMA 2000;283:2008-12. http://dx.doi.org/10.1001/jama.283.15.200. · DOI

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Authors
Domnich, A., Arata, L., Amicizia, D., Puig-Barberà, J., Gasparini, R., & Panatto, D.
Affiliations
University of Genoa (IT)
Corresponding author
Panatto, Donatella
Venue
Vaccine
Publisher
Elsevier BV
Published
2017-01
Volume
35
Issue
4
Pages
513-520
ISSN
0264-410X (ISSN-L)
OpenAlex
W2566538631
Cited by
229
References
42
Citations by year
2026: 9 · 2025: 17 · 2024: 15 · 2023: 16 · 2022: 28 · 2021: 39 · 2020: 29 · 2019: 33 · 2018: 31 · 2017: 12
FWCI
3.43
Type
journal article
Language
en
Open access
Locations
  • Vaccine (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • CINECA IRIS Institutial Research Information System (University of Genoa) (submittedVersion, other-oa)
Topics
  • Health Sciences › Medicine › Epidemiology › Influenza Virus Research Studies
  • Life Sciences › Immunology and Microbiology › Microbiology › Bacterial Infections and Vaccines
  • Health Sciences › Medicine › Epidemiology › Respiratory viral infections research
Keywords
MF59, adjuvanted influenza vaccine, trivalent inactivated influenza vaccine, older adults, vaccine effectiveness, immunosenescence, laboratory-confirmed influenza, acute coronary events, cerebrovascular events, influenza-like illness, institutionalized elderly, community-dwelling older adults, influenza prevention
MeSH terms
Adjuvants, Immunologic, Aged, Aged, 80 and over, Humans, Influenza, Human, Influenza Vaccines, Polysorbates, Squalene, Vaccines, Inactivated, Treatment Outcome, Observational Studies as Topic

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