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Storch J, Fleischmann-Struzek C, Rose N, Lehmann T, Mikolajetz A, Maddela S, Pletz MW, Forstner C, Wichmann O, Neufeind J, Vogel M, Reinhart K, Vollmar HC, Freytag A. The effect of influenza and pneumococcal vaccination in the elderly on health service utilisation and costs: a claims data-based cohort study. THE EUROPEAN JOURNAL OF HEALTH ECONOMICS : HEPAC : HEALTH ECONOMICS IN PREVENTION AND CARE 2022; 23:67-80. [PMID: 34283323 PMCID: PMC8882088 DOI: 10.1007/s10198-021-01343-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 07/01/2021] [Indexed: 06/10/2023]
Abstract
BACKGROUND To date, cost-effectiveness of influenza and pneumococcal vaccinations was assumed in several health economic modelling studies, but confirmation by real-world data is sparse. The aim of this study is to assess the effects on health care utilisation and costs in the elderly using real-world data on both, outpatient and inpatient care. METHODS Retrospective community-based cohort study with 138,877 individuals aged ≥ 60 years, insured in a large health insurance fund in Thuringia (Germany). We assessed health care utilisation and costs due to influenza- or pneumococcal-associated diseases, respiratory infections, and sepsis in 2015 and 2016. Individuals were classified into four groups according to their vaccination status from 2008 to 2016 (none, both, or either only influenza or pneumococcal vaccination). Inverse probability weighting based on 236 pre-treatment covariates was used to adjust for potential indication and healthy vaccinee bias. RESULTS Influenza vaccination appeared as cost-saving in 2016, with lower disease-related health care costs of - €178.87 [95% CI - €240.03;- €117.17] per individual (2015: - €50.02 [95% CI - €115.48;€15.44]). Cost-savings mainly resulted from hospital inpatient care, whereas higher costs occurred for outpatient care. Overall cost savings of pneumococcal vaccination were not statistically significant in both years, but disease-related outpatient care costs were lower in pneumococci-vaccinated individuals in 2015 [- €9.43; 95% CI - €17.56;- €1.30] and 2016 [- €12.93; 95% CI - €25.37;- €0.48]. Although we used complex adjustment, residual bias cannot be completely ruled out. CONCLUSION Influenza and pneumococcal vaccination in the elderly can be cost-saving in selective seasons and health care divisions. As cost effects vary, interpretation of findings is partly challenging.
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Affiliation(s)
- Josephine Storch
- Institute of General Practice and Family Medicine, Jena University Hospital, Bachstraße 18, 07743, Jena, Germany
- International Graduate Academy, Medical Faculty, Institute for Health and Nursing Science, Martin Luther University Halle-Wittenberg, Magdeburger Straße 8, 06112, Halle (Saale), Germany
| | | | - Norman Rose
- Center for Sepsis Control and Care, Jena University Hospital, Bachstraße 18, 07743, Jena, Germany
| | - Thomas Lehmann
- Center for Clinical Studies, Jena University Hospital, Salvador-Allende-Platz 27, 07747, Jena, Germany
| | - Anna Mikolajetz
- Department for Anesthesiology and Intensive Care Medicine, Jena University Hospital, Am Klinikum 1, 07740, Jena, Germany
| | - Srikanth Maddela
- Center for Clinical Studies, Jena University Hospital, Salvador-Allende-Platz 27, 07747, Jena, Germany
| | - Mathias W Pletz
- Institute of Infectious Diseases and Infection Control, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany
| | - Christina Forstner
- Institute of Infectious Diseases and Infection Control, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany
- Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Währinger Gürtel, 18-20, 1090, Vienna, Austria
| | - Ole Wichmann
- Immunization Unit, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany
| | - Julia Neufeind
- Immunization Unit, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany
| | - Monique Vogel
- Institute of General Practice and Family Medicine, Jena University Hospital, Bachstraße 18, 07743, Jena, Germany
| | - Konrad Reinhart
- Center for Sepsis Control and Care, Jena University Hospital, Bachstraße 18, 07743, Jena, Germany
- Department for Anesthesiology and Intensive Care Medicine, Jena University Hospital, Am Klinikum 1, 07740, Jena, Germany
- Department of Anesthesiology and Intensive Care Medicine, BIH Visiting Professor/Charité Foundation, Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Horst Christian Vollmar
- Institute of General Practice and Family Medicine, Jena University Hospital, Bachstraße 18, 07743, Jena, Germany
- Institute of General Practice and Family Medicine, Medical Faculty, Ruhr-University Bochum, Universitätsstraße 150, 44801, Bochum, Germany
| | - Antje Freytag
- Institute of General Practice and Family Medicine, Jena University Hospital, Bachstraße 18, 07743, Jena, Germany.
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O'Reilly R, Yokoyama S, Boyle J, Kwong JC, McGeer A, To T, Sander B. The impact of acute pneumococcal disease on health state utility values: a systematic review. Qual Life Res 2021; 31:375-388. [PMID: 34273067 DOI: 10.1007/s11136-021-02941-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/04/2021] [Indexed: 11/28/2022]
Abstract
PURPOSE Streptococcus pneumoniae infections remain a significant source of morbidity and mortality worldwide. The purpose of this review was to summarize the impact of pneumococcal disease on health state utilities (HSU) in the acute phase of illness. METHODS We searched MEDLINE, EMBASE, EconLit, the Health Technology Assessment Database, the National Health Economic Evaluation Database, and Tufts Cost-Effectiveness Registry (up to January 2020) for primary studies. Eligible studies elicited HSU estimates using preference-based instruments for the acute phase of infection of pneumococcal syndromes including acute otitis media, pneumonia/lower respiratory tract infections, bacteremia/sepsis, and meningitis. Two reviewers independently conducted screening, data extraction and quality appraisal. RESULTS We screened 10,178 studies, of which 26 met our inclusion criteria. Cohort sizes ranged from 8 to 2060 respondents. The most frequently studied syndrome was pneumonia (n = 17), followed by acute otitis media (n = 9), meningitis (n = 7) and bacteremia/sepsis (n = 4). Overall, each syndrome was associated with a substantial impact on HSU. Bacteremia/sepsis (range: - 0.331 to 0.992) and meningitis (range: - 0.330 to 0.977) were generally associated with the lowest HSU, followed by pneumonia (range: - 0.054 to 0.998) and acute otitis media (range: 0.064 to 0.970). HSU estimates varied considerably by treatment setting, elicitation method and type of respondent. The only study to compare pneumococcal infections to non-pneumococcal infections in the same population revealed significantly lower HSU estimates among pneumococcal infections. CONCLUSIONS Pneumococcal syndromes are associated with decreased HSU estimates. Given the considerable heterogeneity in methods and source populations as well as study quality, care should be taken to select the most appropriate estimates.
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Affiliation(s)
- Ryan O'Reilly
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada. .,Toronto Health Economics and Technology Assessment (THETA) Collaborative, Toronto, ON, Canada. .,, 200 Elizabeth Avenue, Eaton Building, Room 10-248, Toronto, ON, M5G 2C4, Canada.
| | - Sayako Yokoyama
- Public Health Ontario, Toronto, ON, Canada.,University of Waterloo, Waterloo, ON, Canada
| | - Justin Boyle
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Jeffrey C Kwong
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.,Public Health Ontario, Toronto, ON, Canada.,ICES, Toronto, ON, Canada.,Department of Family and Community Medicine, University of Toronto, Toronto, ON, Canada.,Centre for Vaccine-Preventable Diseases, University of Toronto, Toronto, ON, Canada.,University Health Network, Toronto, ON, Canada
| | - Allison McGeer
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.,Sinai Health System, Toronto, ON, Canada
| | - Teresa To
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.,ICES, Toronto, ON, Canada.,The Hospital for Sick Children (SickKids), Toronto, ON, Canada
| | - Beate Sander
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.,Toronto Health Economics and Technology Assessment (THETA) Collaborative, Toronto, ON, Canada.,Public Health Ontario, Toronto, ON, Canada.,ICES, Toronto, ON, Canada.,University Health Network, Toronto, ON, Canada
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Scelfo C, Menzella F, Fontana M, Ghidoni G, Galeone C, Facciolongo NC. Pneumonia and Invasive Pneumococcal Diseases: The Role of Pneumococcal Conjugate Vaccine in the Era of Multi-Drug Resistance. Vaccines (Basel) 2021; 9:420. [PMID: 33922273 PMCID: PMC8145843 DOI: 10.3390/vaccines9050420] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/15/2021] [Accepted: 04/20/2021] [Indexed: 12/15/2022] Open
Abstract
Streptococcus pneumoniae related diseases are a leading cause of morbidity and mortality, especially in children and in the elderly population. It is transmitted to other individuals through droplets and it can spread to other parts of the human host, causing a wide spectrum of clinical syndromes, affecting between 10 and 100 cases per 100,000 people in Europe and the USA. In order to reduce morbidity and mortality caused by this agent, pneumococcal vaccines have been developed over the years and have shown incredible effectiveness in reducing the spread of this bacterium and the development of related diseases, obtaining a significant reduction in mortality, especially in developing countries. However, considerable problems are emerging mainly due to the replacement phenomenon, multi-drug resistance, and the high production costs of conjugated vaccines. There is still a debate about the indications given by various countries to different age groups; this is one of the reasons for the diffusion of different serotypes. To cope with these problems, significant efforts have been made in the research field to further improve vaccination serotypes coverage. On the other hand, an equally important commitment by health care systems to all age group populations is needed to improve vaccination coverage.
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Affiliation(s)
- Chiara Scelfo
- Pneumology Unit, Department of Medical Specialties, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, 42100 Reggio Emilia, Italy; (F.M.); (M.F.); (G.G.); (C.G.); (N.C.F.)
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4
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Shao Y, Stoecker C. Cost-effectiveness of pneumococcal vaccines among adults over 50 years old in low- and middle-income countries: a systematic review. Expert Rev Vaccines 2021; 19:1141-1151. [PMID: 33428494 DOI: 10.1080/14760584.2020.1874929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
INTRODUCTION This systematic review aims to provide a critical summary of economic evaluations of pneumococcal vaccines for adults aged 50 years or older in low- and middle-income countries (LMICs): a 23-valent polysaccharide vaccine (PPSV23), and a 13-valent conjugated vaccine (PCV13). AREAS COVERED We systematically searched for studies published until October2020 in PubMed and Web of Science. Searching strategies in this literature review were done using various combinations of terms related to 'economic evaluation or cost-effectiveness or cost-benefit or cost-utility,' 'pneumococcal or PPSV or PCV or PPV,' and 'vaccine or vaccination or immunization' in all fields. To be included, each study had to meet our inclusion criteria. Two authors reviewed and extracted studies. From 1,711 records, we included 18 studies for this review. All 18 studies were cost-effectiveness analysis. Compared with no vaccination, either PPSV23 or PCV13 was economically favorable, highly cost-effective, and in many cases, cost-saving for older adults. Studies compared one vaccination (PPSV23 or PCV13) over another and had different findings. EXPERT OPINION While all studies recommended either PPSV23 or PCV13 for older adults in LMICs, substantial questions about potential bias in studies and whether conclusions hold after including the impact of indirect protection.
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Affiliation(s)
- Yixue Shao
- Department of Health Policy and Management, Tulane University School of Public Health and Tropical Medicine , New Orleans, LA, USA
| | - Charles Stoecker
- Department of Health Policy and Management, Tulane University School of Public Health and Tropical Medicine , New Orleans, LA, USA
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Sanduzzi A, Canora A, Belfiore P, Bocchino M, Liguori R, Liguori G. Impact of 13Valent Vaccine for Prevention of Pneumococcal Diseases in Children and Adults at Risk: Possible Scenarios in Campania Region. Infect Disord Drug Targets 2020; 19:403-408. [PMID: 30124160 DOI: 10.2174/1871526518666180820161630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 07/31/2018] [Accepted: 08/10/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Pneumonias are the most frequent infectious diseases, characterized by a high prevalence especially among children and adults at risk. The socio-economic impact caused by Streptococcus pneumoniae is evaluated in terms of morbidity, death rate and hospitalizations. OBJECTIVE The aim of the study was to demonstrate the potential economic advantages by implementation of an active anti-pneumococcal 13-valent vaccine strategy in Campania region (Southern Italy) in two different categories of subjects, children (aged 0-12), and adults (aged 50- 79) at risk (hypertension, nephropathies, COPD and heart diseases). METHODS Vaccination costs were compared with costs necessary to treat avoidable diseases in the presence and absence of a vaccination program. RESULTS Offering anti-pneumococcal 13-valent vaccine to the paediatric population was quantified as saving one million euros for Italian national health service in two years. In addition, offering anti-pneumococcal vaccine to adults at risk would generate a return of around 29 million euros. CONCLUSION In both cases, offering anti-pneumococcal 13-valent vaccine was proven to be a helpful political health strategy, not only in consideration of a reduction of cases but also in view of the favourable economic impacts.
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Affiliation(s)
- Alessandro Sanduzzi
- Department of Clinical Medicine and Surgery, Section of Respiratory Diseases, University of Naples Federico II; Naples, Italy
| | - Angelo Canora
- Department of Clinical Medicine and Surgery, Section of Respiratory Diseases, University of Naples Federico II; Naples, Italy
| | - Patrizia Belfiore
- Department of Clinical Medicine and Surgery, Section of Respiratory Disease, University of Naples, Parthenope, Italy
| | - Marialuisa Bocchino
- Department of Clinical Medicine and Surgery, Section of Respiratory Diseases, University of Naples Federico II; Naples, Italy
| | - Renato Liguori
- Department of Sciences and Technologies, University of Naples, Parthenope, Italy
| | - Giorgio Liguori
- Department of Clinical Medicine and Surgery, Section of Respiratory Disease, University of Naples, Parthenope, Italy
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6
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Feldman C, Dlamini SK, Madhi SA, Meiring S, von Gottberg A, de Beer JC, de Necker M, Stander MP. The cost-effectiveness of using pneumococcal conjugate vaccine (PCV13) versus pneumococcal polysaccharide vaccine (PPSV23), in South African adults. PLoS One 2020; 15:e0227945. [PMID: 31995597 PMCID: PMC6988977 DOI: 10.1371/journal.pone.0227945] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 01/03/2020] [Indexed: 12/02/2022] Open
Abstract
Streptococcus pneumoniae (pneumococcus) remains an important cause of morbidity and mortality. Pneumococcal vaccination is part of the South African pediatric public immunization program but the potential cost-effectiveness of such an intervention for adults is unknown. This study aimed to compare the cost-effectiveness of two widely used pneumococcal vaccines: pneumococcal conjugate vaccine (PCV13) and pneumococcal polysaccharide vaccine (PPSV23) in South African adults, 18 years and older. Four analyses were carried out in a) both the private and public health care sectors; and b) for the HIV-infected population alone and for the total mixed population (all HIV-infected and -uninfected people). A previously published global pharmacoeconomic model was adapted and populated to represent the South African adult population. The model utilized a Markov-type process to depict the lifetime clinical and economic outcomes of patients who acquire pneumococcal disease in 2015, from a societal perspective. Costs were sourced in South African rand and converted to US dollar (USD). The incremental cost divided by the incremental effectiveness (expressed as quality-adjusted life years gained) represented the incremental cost-effectiveness ratio for PCV13 compared to PPSV23. Results indicated that the use of PCV13 compared to PPSV23 is highly cost-effective in the public sector cohorts with incremental cost-effectiveness ratios of $771 (R11,106)/quality-adjusted life year and $956 (R13,773)/quality-adjusted life year for the HIV-infected and mixed populations, respectively. The private sector cohort showed similar highly cost-effective results for the mixed population (incremental cost-effectiveness ratio $626 (R9,013)/quality-adjusted life year) and the HIV-infected cohort (dominant). In sensitivity analysis, the model was sensitive to vaccine price and effectiveness. Probabilistic sensitivity analyses found predominantly cost-effective ICERs. From a societal perspective, these findings provide some guidance to policy makers for consideration and implementation of an immunization strategy for both the public and private sector and amongst different adult patient pools in South Africa.
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Affiliation(s)
- Charles Feldman
- Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- * E-mail:
| | - Sipho K. Dlamini
- Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Shabir A. Madhi
- Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- Department of Science and Technology/National Research Foundation: Vaccine Preventable Diseases Research Chair, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Susan Meiring
- Division of Public Health Surveillance and Response, National Institute for Communicable Diseases (NICD), a division of the National Health Laboratory Service, Cape Town, South Africa
| | - Anne von Gottberg
- Centre for Respiratory Diseases and Meningitis (CRDM), National Institute for Communicable Diseases (NICD), a division of the National Health Laboratory Service, Johannesburg, South Africa
- School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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Sevilla JP, Stawasz A, Burnes D, Agarwal A, Hacibedel B, Helvacioglu K, Sato R, Bloom DE. Indirect costs of adult pneumococcal disease and the productivity-based rate of return to the 13-valent pneumococcal conjugate vaccine for adults in Turkey. Hum Vaccin Immunother 2020; 16:1923-1936. [PMID: 31995443 PMCID: PMC7482724 DOI: 10.1080/21645515.2019.1708668] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Productivity benefits of health technologies are ignored in typical economic evaluations from a health payer’s perspective, risking undervaluation. We conduct a productivity-based cost-benefit analysis from a societal perspective and estimate indirect costs of adult pneumococcal disease, vaccination benefits from the adult 13-valent pneumococcal conjugate vaccine (PCV13 Adult), and rates of return to PCV13 Adult for a range of hypothetical vaccination costs. Our context is Turkey’s funding PCV13 for the elderly and for non-elderly adults with select comorbidities within the Ministry of Health’s National Immunization Program. We use a Markov model with one-year cycles. Indirect costs from death or disability equal the expected present discounted value of lifetime losses in the infected individual’s paid and unpaid work and in caregivers’ paid work. Vaccination benefits comprise averted indirect costs. Rates of return equal vaccination benefits divided by vaccination costs, minus one. Input parameters are from public data sources. We model comorbidities’ effects by scalar multiplication of the parameters of the general population. Indirect costs per treatment episode of inpatient community-acquired pneumonia (CAP), bacteremia, and meningitis – but not for outpatient CAP – approach or exceed Turkish per capita gross domestic product. Vaccination benefits equal $207.02 per vaccination in 2017 US dollars. The rate of return is positive for all hypothetical costs below this. Results are sensitive to herd effects from pediatric vaccination and vaccine efficacy rates. For a wide range of hypothetical vaccination costs, the rate of return compares favorably with those of other global development interventions with well-established strong investment cases.
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Affiliation(s)
- J P Sevilla
- Life Sciences Group, Data for Decisions, LLC , Waltham, MA, USA
| | - Andrew Stawasz
- Life Sciences Group, Data for Decisions, LLC , Waltham, MA, USA
| | - Daria Burnes
- Life Sciences Group, Data for Decisions, LLC , Waltham, MA, USA
| | - Anubhav Agarwal
- Life Sciences Group, Data for Decisions, LLC , Waltham, MA, USA
| | - Basak Hacibedel
- Health Economics and Outcomes Research, Pfizer Turkey , Istanbul, Turkey
| | - Kerem Helvacioglu
- Health Economics and Outcomes Research, Pfizer Turkey , Istanbul, Turkey
| | - Reiko Sato
- Health Economics and Outcomes Research, Pfizer Inc , Collegeville, PA, USA
| | - David E Bloom
- Life Sciences Group, Data for Decisions, LLC , Waltham, MA, USA
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8
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Treskova M, Scholz SM, Kuhlmann A. Cost Effectiveness of Elderly Pneumococcal Vaccination in Presence of Higher-Valent Pneumococcal Conjugate Childhood Vaccination: Systematic Literature Review with Focus on Methods and Assumptions. PHARMACOECONOMICS 2019; 37:1093-1127. [PMID: 31025189 DOI: 10.1007/s40273-019-00805-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
BACKGROUND Previous systematic reviews concluded that pneumococcal vaccination in the elderly was cost effective. However, recently published economic evaluations state that it may not be cost effective when children are vaccinated with higher-valent pneumococcal conjugate vaccines. The literature suggests that the outcomes of vaccination in the elderly are strongly influenced by the vaccine effectiveness (VE) against the vaccine-type pneumococcal diseases (PD) and the impact of childhood vaccination on the vaccine-type PD incidence in the elderly, but the extent remains unclear. METHODS We conducted a systematic literature search of cost-effectiveness studies on vaccination in the elderly in the PubMed database starting from 2006. We included studies that consider the presence of a childhood vaccination with pneumococcal conjugate vaccine (PCV) 10 and PCV13. We focus on methods and assumptions used in modeling VE and epidemiology of PD over time. RESULTS Twenty-eight economic evaluations underwent full-text review and data extraction. Thirteen were selected for quality assessment. The studies with a higher quality score provide evidence that vaccinating the elderly with PCV13 is not cost effective, when an ongoing rapid decline in the incidence of PCV13-type PD is modeled. A moderate persistence of PCV13 serotypes, in particular due to PCV10 childhood vaccination, makes vaccination of the elderly with PCV13 more attractive. There is no agreement that combining PCV13 with polysaccharide vaccine PPSV23 is cost effective. PPSV23 is attractive when it is effective against non-invasive PD. CONCLUSION Methodological approaches and assumptions in modeling VE and the indirect effects of childhood vaccination have a major impact on outcomes of decision-analytic models and cost-effectiveness estimates. Considering recently observed trends in the epidemiology of pneumococcal serotypes, there is currently inconclusive evidence regarding the cost effectiveness of pneumococcal vaccination of the elderly due to lack of studies that model key serotypes such as serotype 3 separately from other groups of serotypes.
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Affiliation(s)
- Marina Treskova
- Center for Health Economics Research Hannover (CHERH), Leibniz Universität Hannover, Otto-Brenner-Str.7, 30159, Hannover, Germany.
| | - Stefan M Scholz
- Center for Health Economics Research Hannover (CHERH), Leibniz Universität Hannover, Otto-Brenner-Str.7, 30159, Hannover, Germany
- Department of Health Economics and Health Management, School of Public Health, Bielefeld University, Bielefeld, Germany
| | - Alexander Kuhlmann
- Center for Health Economics Research Hannover (CHERH), Leibniz Universität Hannover, Otto-Brenner-Str.7, 30159, Hannover, Germany
- Biomedical Research in End-Stage and Obstructive Lung Disease Hannover (BREATH), German Center for Lung Research (DZL), Hannover, Germany
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9
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López-Gobernado M, Pérez-Rubio A, López-García E, Mayo Iscar A, Cabezas Pascual C, Eiros JM. [Economic evaluation of pneumococcal vaccination in adults aged over 65 years in Castilla y León (SPAIN)]. Rev Esp Geriatr Gerontol 2019; 54:309-314. [PMID: 31307781 DOI: 10.1016/j.regg.2019.05.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 03/01/2019] [Accepted: 05/09/2019] [Indexed: 11/17/2022]
Abstract
INTRODUCTION The burden of disease due to pneumonia in older adults has a major impact on health systems. The aim of this study is to carry out an economic evaluation of the vaccination strategy against Streptococcus pneumoniae using the 13-valent pneumococcal conjugate vaccine. MATERIAL AND METHODS A simulated economic model has been developed in the form of a decision tree to evaluate the cost of the vaccination strategy in the population over 65 years of the Valladolid-East Health Area, versus non-vaccination, using a Monte Carlo probabilistic analysis. RESULTS Streptococcus pneumoniae annually generates 557.24 cases of pneumococcal disease in the Valladolid-East Health Area, and 506.60 episodes have pneumonia symptoms. Vaccination of the cohort over 65 years of age is an efficient measure from the third year, with a cost per quality-adjusted life years (QALY) of 20,496.20 €. The number of QALYs gained in a decade is 86.07 and an amount of 216.252.89 € with this vaccination strategy would be saved. CONCLUSIONS The evaluation of the different incremental costs (QALY,euros) in the years of follow-up, the pneumococcus vaccination program in people over 65 in Castilla y León is cost-effective.
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Affiliation(s)
- Miguel López-Gobernado
- Servicio de Estudios, Documentación y Estadística, Consejería de Sanidad de la Junta de Castilla y León, Valladolid, España.
| | - Alberto Pérez-Rubio
- Dirección Médica, Hospital Clínico Universitario de Valladolid, Valladolid, España
| | - Eva López-García
- Coordinación de equipos, Gerencia de Atención Primaria Valladolid Oeste, Valladolid, España
| | | | | | - Jose María Eiros
- Facultad de Medicina, Universidad de Valladolid, Valladolid, España; Servicio de Microbiología, Hospital Universitario Río Hortega, Valladolid, España
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10
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Wiese AD, Griffin MR, Grijalva CG. Impact of pneumococcal conjugate vaccines on hospitalizations for pneumonia in the United States. Expert Rev Vaccines 2019; 18:327-341. [PMID: 30759352 PMCID: PMC6443450 DOI: 10.1080/14760584.2019.1582337] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 02/11/2019] [Indexed: 01/05/2023]
Abstract
INTRODUCTION Pneumonia is one of the leading causes of morbidity and mortality among children and older adults. Pneumococcal conjugate vaccines (PCVs) were introduced into the US routine infant vaccination schedule leading to substantial reductions of invasive pneumococcal diseases (IPD). PCV introduction also led to reductions in all-cause pneumonia among US children, though the indirect impact of PCVs on pneumonia in adults is difficult to quantify, especially due to the recent US recommendation for direct PCV use in older adults. Areas covered: We described the existing evidence for both the direct and indirect impact of PCVs on pneumonia among children and adults in the US since PCV introduction. Expert commentary: The introduction of PCVs into the US routine infant vaccination schedule led to important reductions in the burden of IPD and non-invasive pneumonia among vaccinated and unvaccinated populations. The impact of direct vaccination of older adults in the US since 2014, though difficult to quantify, is currently being evaluated. As pneumonia remains one of the leading causes of morbidity and mortality in the US, future evaluations of the direct and indirect effects of current and expanded valency PCVs in the US population are needed.
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Affiliation(s)
- Andrew D. Wiese
- Department of Health Policy, Vanderbilt University, Nashville, Tennessee, USA
| | - Marie R. Griffin
- Department of Health Policy, Vanderbilt University, Nashville, Tennessee, USA
- Department of Medicine, Vanderbilt University, Nashville, Tennessee, USA
- The Mid-South Geriatric Research Education and Clinical Center, VA Tennessee Valley Health Care System, Nashville, Tennessee, USA
| | - Carlos G. Grijalva
- Department of Health Policy, Vanderbilt University, Nashville, Tennessee, USA
- Department of Medicine, Vanderbilt University, Nashville, Tennessee, USA
- The Mid-South Geriatric Research Education and Clinical Center, VA Tennessee Valley Health Care System, Nashville, Tennessee, USA
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Wateska AR, Nowalk MP, Lin CJ, Harrison LH, Schaffner W, Zimmerman RK, Smith KJ. An intervention to improve pneumococcal vaccination uptake in high risk 50-64 year olds vs. expanded age-based recommendations: an exploratory cost-effectiveness analysis. Hum Vaccin Immunother 2019; 15:863-872. [PMID: 30633706 DOI: 10.1080/21645515.2018.1564439] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
In the U.S., pneumococcal polysaccharide vaccine (PPSV23) uptake among high-risk adults aged <65 years is consistently low and improvement is needed. One barrier to improved vaccine coverage is the complexity of the adult vaccination schedule. This exploratory analysis compared the cost-effectiveness of strategies to increase pneumococcal vaccine uptake in high-risk adults aged 50-64 years. We used a Markov model to compare strategies for non-immunocompromised 50-64 year olds: 1) current pneumococcal polysaccharide vaccine (PPSV23) recommendations; 2) current recommendations enhanced by an intervention; 3) PPSV23 plus pneumococcal conjugate vaccine (PCV13) for high-risk patients with no intervention; or 4) both vaccines for all 50-year-olds with no intervention. Parameters included CDC data and other US data, varied extensively in sensitivity analyses. In the analysis, vaccinating high-risk individuals with PPSV23/PCV13 was the least costly strategy, with total costs of $424/person. Vaccinating all 50 year olds with PPSV23/PCV13 cost $40 more and gained 0.00068 quality-adjusted life years (QALY), or $57,786/QALY gained. Current recommendations with or without an intervention program were more expensive and less effective than other strategies. In multi-way sensitivity analyses, the current recommendations/intervention program strategy was favored at a $100,000/QALY threshold only if non-bacteremic pneumococcal pneumonia rate or PCV13 serotype coverage were substantially lower than base case values. Thus, an intervention program to improve pneumococcal vaccine uptake among high-risk 50-64 year-olds was not cost-effective in most scenarios. High-risk individuals receiving both PCV13 and PPSV23 could be economically favorable, and vaccinating all 50-year-olds with both vaccines could be considered.
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Affiliation(s)
- Angela R Wateska
- a Departments of Medicine and Family Medicine , University of Pittsburgh School of Medicine , Pittsburgh , PA , USA
| | - Mary Patricia Nowalk
- a Departments of Medicine and Family Medicine , University of Pittsburgh School of Medicine , Pittsburgh , PA , USA
| | - Chyongchiou J Lin
- a Departments of Medicine and Family Medicine , University of Pittsburgh School of Medicine , Pittsburgh , PA , USA
| | - Lee H Harrison
- a Departments of Medicine and Family Medicine , University of Pittsburgh School of Medicine , Pittsburgh , PA , USA
| | - William Schaffner
- b Department of Health Policy , Vanderbilt University School of Medicine , Nashville , TN , USA
| | - Richard K Zimmerman
- a Departments of Medicine and Family Medicine , University of Pittsburgh School of Medicine , Pittsburgh , PA , USA
| | - Kenneth J Smith
- a Departments of Medicine and Family Medicine , University of Pittsburgh School of Medicine , Pittsburgh , PA , USA
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Drolet M, Bénard É, Jit M, Hutubessy R, Brisson M. Model Comparisons of the Effectiveness and Cost-Effectiveness of Vaccination: A Systematic Review of the Literature. VALUE IN HEALTH : THE JOURNAL OF THE INTERNATIONAL SOCIETY FOR PHARMACOECONOMICS AND OUTCOMES RESEARCH 2018; 21:1250-1258. [PMID: 30314627 DOI: 10.1016/j.jval.2018.03.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 03/20/2018] [Accepted: 03/25/2018] [Indexed: 05/21/2023]
Abstract
OBJECTIVES To describe all published articles that have conducted comparisons of model-based effectiveness and cost-effectiveness results in the field of vaccination. Specific objectives were to 1) describe the methodologies used and 2) identify the strengths and limitations of the studies. METHODS We systematically searched MEDLINE and Embase databases for studies that compared predictions of effectiveness and cost-effectiveness of vaccination of two or more mathematical models. We categorized studies into two groups on the basis of their data source for comparison (previously published results or new simulation results) and performed a qualitative synthesis of study conclusions. RESULTS We identified 115 eligible articles (only 5% generated new simulations from the reviewed models) examining the effectiveness and cost-effectiveness of vaccination against 14 pathogens (69% of studies examined human papillomavirus, influenza, and/or pneumococcal vaccines). The goal of most of studies was to summarize evidence for vaccination policy decisions, and cost-effectiveness was the most frequent outcome examined. Only 33%, 25%, and 3% of studies followed a systematic approach to identify eligible studies, assessed the quality of studies, and performed a quantitative synthesis of results, respectively. A greater proportion of model comparisons using published studies followed a systematic approach to identify eligible studies and to assess their quality, whereas more studies using new simulations performed quantitative synthesis of results and identified drivers of model conclusions. Most comparative modeling studies concluded that vaccination was cost-effective. CONCLUSIONS Given the variability in methods used to conduct/report comparative modeling studies, guidelines are required to enhance their quality and transparency and to provide better tools for decision making.
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Affiliation(s)
- Mélanie Drolet
- Centre de recherche du CHU de Québec-Université Laval, Axe santé des populations et pratiques optimales en santé, Québec, Canada
| | - Élodie Bénard
- Centre de recherche du CHU de Québec-Université Laval, Axe santé des populations et pratiques optimales en santé, Québec, Canada
| | - Mark Jit
- Department of Infectious Disease Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK; Modelling and Economics Unit, Public Health England, London, UK
| | | | - Marc Brisson
- Centre de recherche du CHU de Québec-Université Laval, Axe santé des populations et pratiques optimales en santé, Québec, Canada; Université Laval, Québec, Canada; Department of Infectious Disease Epidemiology, Imperial College, London, UK.
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13
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Chen C, Beutels P, Wood J, Menzies R, MacIntyre CR, McIntyre P, Newall AT. Retrospective cost-effectiveness of the 23-valent pneumococcal polysaccharide vaccination program in Australia. Vaccine 2018; 36:6307-6313. [PMID: 30213457 DOI: 10.1016/j.vaccine.2018.08.084] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 07/20/2018] [Accepted: 08/31/2018] [Indexed: 01/28/2023]
Abstract
BACKGROUND The Australian infant pneumococcal vaccination program was funded in 2005 using the 7-valent pneumococcal conjugate vaccine (PCV7) and the 13-valent conjugate vaccine (PCV13) in 2011. The PCV7 and PCV13 programs resulted in herd immunity effects across all age-groups, including older adults. Coincident with the introduction of the PCV7 program in 2005, 23-valent pneumococcal polysaccharide vaccine (PPV23) was funded for all Australian adults aged over 65 years. METHODS A multi-cohort Markov model with a cycle length of one year was developed to retrospectively evaluate the cost-effectiveness of the PPV23 immunisation program from 2005 to 2015. The analysis was performed from the healthcare system perspective with costs and quality-adjusted life years discounted at 5% annually. The incremental cost-effectiveness ratio (ICER) for PPV23 doses provided from 2005 to 2015 was calculated separately for each year when compared to no vaccination. Parameter uncertainty was explored using deterministic and probabilistic sensitivity analysis. RESULTS It was estimated that PPV23 doses given out over the 11-year period from 2005 to 2015 prevented 771 hospitalisations and 99 deaths from invasive pneumococcal disease (IPD). However, the estimated IPD cases and deaths prevented by PPV23 declined by more than 50% over this period (e.g. from 12.9 deaths for doses given out in 2005 to 6.1 in 2015), likely driven by herd effects from infant PCV programs. The estimated ICER over the period 2005 to 2015 was approximately A$224,000/QALY gained compared to no vaccination. When examined per year, the ICER for each individual year worsened from $140,000/QALY in 2005 to $238,000/QALY in 2011 to $286,000/QALY in 2015. CONCLUSION The cost-effectiveness of the PPV23 program in older Australians was estimated to have worsened over time. It is unlikely to have been cost-effective, unless PPV23 provided protection against non-invasive pneumococcal pneumonia and/or a low vaccine price was negotiated. A key policy priority should be to review of the future use of PPV23 in Australia, which is likely to be more cost-effective in certain high-risk groups.
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Affiliation(s)
- C Chen
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia.
| | - P Beutels
- Centre for Health Economics Research and Modelling Infectious Diseases (CHERMID), Vaccine and Infectious Disease Institute, University of Antwerp, Antwerp, Belgium
| | - J Wood
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia
| | - R Menzies
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia
| | - C R MacIntyre
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia
| | - P McIntyre
- National Centre for Immunisation Research and Surveillance of Vaccine Preventable Diseases (NCIRS), Kids Research Institute, Children's Hospital at Westmead, NSW, Australia
| | - A T Newall
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia
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Increasing influenza and pneumococcal vaccine uptake in the elderly: study protocol for the multi-methods prospective intervention study Vaccination60. BMC Public Health 2018; 18:885. [PMID: 30012141 PMCID: PMC6048840 DOI: 10.1186/s12889-018-5787-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 07/03/2018] [Indexed: 01/12/2023] Open
Abstract
Background Influenza and pneumococcal vaccination can prevent disease and potentially life-threatening complications like sepsis. Elderly people have an increased risk of severe disease and therefore constitute a major target group for vaccination. To increase vaccination coverage, targeted interventions are needed that take theory-based specific determinants of vaccination behaviour into account. Moreover, message and campaign design should consider specific age-related characteristics (e.g., information processing, media use). The aim of this study is (i) to identify the specific informational and interventional needs of this risk group, (ii) to design and implement a targeted intervention aiming to decrease vaccine hesitancy, increase vaccine uptake and decrease the health and economic burden due to the respective diseases, and (iii) to measure the effect of this evidence-informed intervention on various levels. Methods Prospective, multi-methods intervention study targeting individuals aged ≥60 years in a model region in Germany (federal state of Thuringia, 500,000 inhabitants ≥60 years old). The development of the intervention follows theory-based and evidence-informed principles: Data from a cross-sectional representative study provide insights into specific determinants of the target group’s vaccination behaviour. Additionally, media use is analysed to identify adequate communication channels for specific subgroups. In pilot studies, the intervention materials are adapted to the specific cognitive requirements of the target group. For development and implementation of the intervention, an interdisciplinary and trans-sectoral approach is used, including psychology, communication science, design, medical science, epidemiology and various public health players. The intervention will be implemented in autumn and winter 2017/18 and 2018/19 and adjusted in between. Evaluation of the intervention includes: awareness, use and recall of intervention materials, effects on changes in determinants of vaccination behaviour, self-reported vaccine uptake, and vaccination coverage in the intervention area (primary outcomes), as well as disease incidences (secondary outcomes) and the economic burden of influenza, pneumonia, invasive pneumococcal disease and sepsis for the healthcare system (tertiary outcomes). Discussion The data will add to the body of evidence on the effectiveness of evidence-informed vaccination campaign development as well as on the clinical and economic effects of pneumococcal and influenza vaccination. The effect of the intervention will teach valuable lessons about the principles of campaign development and evaluation, and can motivate a subsequent nationwide intervention. Trial registration DRKS00012653. Registered 24.11.2017. Retrospectively registered.
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15
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Svensson T, Kättström M, Hammarlund Y, Roth D, Andersson PO, Svensson M, Nilsson I, Rombo L, Cherif H, Kimby E. Pneumococcal conjugate vaccine triggers a better immune response than pneumococcal polysaccharide vaccine in patients with chronic lymphocytic leukemia A randomized study by the Swedish CLL group. Vaccine 2018; 36:3701-3707. [PMID: 29748028 DOI: 10.1016/j.vaccine.2018.05.012] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 05/01/2018] [Accepted: 05/02/2018] [Indexed: 10/17/2022]
Abstract
AIM To determine if patients with untreated chronic lymphocytic leukemia (CLL) benefit from vaccination with a 13-valent pneumococcal conjugated vaccine (PCV13), Prevenar13®, compared to a 23-valent pneumococcal polysaccharide vaccine (PPSV23), Pneumovax®, in terms of immune response. BACKGROUND Streptococcus pneumoniae causes substantial morbidity in patients with CLL, a group known to respond poorly to polysaccharide vaccines. Comparative studies with conjugated vaccines are lacking. METHODS 128 treatment naïve CLL patients from eight hematology clinics in Sweden were randomized to vaccination with PCV13 (n = 63) or PPSV23 (n = 65) after stratification by IgG level and CLL clinical stage (Rai). Blood samples for evaluation of immune response were obtained at baseline, and at one and six months after vaccination. Analyses for each of the 12 pneumococcal serotypes common for PCV13 and PPSV23 were performed by opsonophagocytic assay (OPA) and enzyme-linked immunosorbent assay (ELISA). RESULTS PCV13 elicited a superior immune response than PPSV23 in 10/12 serotypes one month after vaccination and in 5/12 serotypes six months after vaccination, measured as OPA geometric mean titers (GMTs). Geometric mean concentrations of serotype-specific IgG antibodies elicited by PCV13 as measured by ELISA, were higher than those elicited by PPSV23 in half of the common serotypes, both after one and six months. PPSV23 did not trigger a better immune response than PCV13 for any of the serotypes, regardless of analysis method or time point of analysis. Negative predictive factors for vaccination response were hypogammaglobulinemia and long disease duration. Both vaccines were well tolerated. CONCLUSIONS In patients with previously untreated CLL, the efficacy of PCV13 in terms of immune response is superior to PPSV23 for most serotypes common for the two vaccines. We therefore propose that PCV13 should be included in vaccination programs against Streptococcus pneumoniae for CLL patients and administered as early as possible during the course of the disease.
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Affiliation(s)
- Tobias Svensson
- Department of Medical Sciences, Section of Hematology, Uppsala University, Uppsala, Sweden.
| | - Magdalena Kättström
- Department of Medicine, Section of Hematology, Örebro University Hospital, Örebro, Sweden
| | | | - Daniel Roth
- Institution of Clinical Sciences, Faculty of Medicine, Lund University Hospital, Lund, Sweden
| | - P-O Andersson
- Department of Medicine, Section of Hematology, South Älvsborg Hospital, Borås, Sweden
| | - Magnus Svensson
- Department of Medicine, Eskilstuna Hospital, Eskilstuna, Sweden
| | - Ingmar Nilsson
- Department of Medicine, Karlstad Hospital, Karlstad, Sweden
| | - Lars Rombo
- Department of Medicine, Eskilstuna Hospital, Eskilstuna, Sweden
| | - Honar Cherif
- Department of Medical Sciences, Section of Hematology, Uppsala University, Uppsala, Sweden
| | - Eva Kimby
- Department of Medicine, Unit of Hematology, Karolinska Institute and Karolinska University Hospital, Huddinge, Sweden
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16
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Heo JY, Seo YB, Choi WS, Lee J, Yoon JG, Lee SN, Choi MJ, Noh JY, Ahn JY, Jeong HW, Cheong HJ, Kim WJ, Lee HY, Song JY. Incidence and case fatality rates of community-acquired pneumonia and pneumococcal diseases among Korean adults: Catchment population-based analysis. PLoS One 2018; 13:e0194598. [PMID: 29596444 PMCID: PMC5875769 DOI: 10.1371/journal.pone.0194598] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 02/20/2018] [Indexed: 11/21/2022] Open
Abstract
Background Pneumonia is a leading infectious cause of morbidity and mortality among adults. Pneumococcal pneumonia (PP) is the most common vaccine-preventable bacterial etiology of pneumonia. In this study, we estimated the incidence of community-acquired pneumonia (CAP) and pneumococcal diseases among Korean adults. Methods Clinical and microbiological databases from three hospitals were retrospectively reviewed to determine the incidence and case fatality rates of CAP and pneumococcal diseases in Korean adults aged ≥19 years from 2011 to 2014. Incidence and case fatality rates of CAP, PP and invasive pneumococcal diseases (IPD) were evaluated based on the catchment population. Catchment population was calculated using national health insurance data, estimating the proportion of patients with pneumonia that were medically attended at each hospital. Results Among 5,783 patients with medically attended CAP, 833 (14.4%) had PP. For IPD, a total of 91 culture-confirmed cases were identified. The overall incidence of CAP was 307.7 cases per 100,000 persons per year with an in-hospital mortality rate of 6.2%. The estimated annual incidence of pneumococcal pneumonia was 42.2–49.4 cases per 100,000 persons per year, increasing with age to >280 per 100,000 persons per year in older patients over 70 years. The annual incidence of IPD had a range of 4.1–6.5 cases per 100,000 persons per year. The overall case fatality rate for invasive pneumococcal diseases was 30.8% with the highest rate of 66.7% in patients over 80 years. Conclusion Over the study period, incidences of CAP, PP and IPD were consistently high, particularly in older people. These results provide baseline data to establish healthcare strategies and estimate their impact among Korean adults.
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Affiliation(s)
- Jung Yeon Heo
- Department of Infectious Diseases, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Yu Bin Seo
- Division of Infectious Diseases, Department of Internal Medicine, Hallym University College of Medicine, Chuncheon, Republic of Korea
| | - Won Suk Choi
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Jacob Lee
- Division of Infectious Diseases, Department of Internal Medicine, Hallym University College of Medicine, Chuncheon, Republic of Korea
| | - Jin Gu Yoon
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Saem Na Lee
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Min Joo Choi
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Ji Yun Noh
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
- Asian Pacific Influenza Institute (APII), Korea University Guro Hospital, Seoul, Korea
| | - Jin-Young Ahn
- Department of Internal Medicine, Chungbuk National University College of Medicine, Cheongju, Republic of Korea
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Hye Won Jeong
- Department of Internal Medicine, Chungbuk National University College of Medicine, Cheongju, Republic of Korea
- Division of Infectious Diseases, Department of Internal Medicine, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Hee Jin Cheong
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
- Asian Pacific Influenza Institute (APII), Korea University Guro Hospital, Seoul, Korea
| | - Woo Joo Kim
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
- Asian Pacific Influenza Institute (APII), Korea University Guro Hospital, Seoul, Korea
| | - Hee Young Lee
- Center for Preventive Medicine and Public Health, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- * E-mail: (HYL); (JYS)
| | - Joon Young Song
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
- Asian Pacific Influenza Institute (APII), Korea University Guro Hospital, Seoul, Korea
- * E-mail: (HYL); (JYS)
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Doherty TM, Connolly MP, Del Giudice G, Flamaing J, Goronzy JJ, Grubeck-Loebenstein B, Lambert PH, Maggi S, McElhaney JE, Nagai H, Schaffner W, Schmidt-Ott R, Walsh E, Di Pasquale A. Vaccination programs for older adults in an era of demographic change. Eur Geriatr Med 2018; 9:289-300. [PMID: 29887922 PMCID: PMC5972173 DOI: 10.1007/s41999-018-0040-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 03/02/2018] [Indexed: 12/14/2022]
Abstract
OBJECTIVES Populations are aging worldwide. This paper summarizes some of the challenges and opportunities due to the increasing burden of infectious diseases in an aging population. RESULTS Older adults typically suffer elevated morbidity from infectious disease, leading to increased demand for healthcare resources and higher healthcare costs. Preventive medicine, including vaccination can potentially play a major role in preserving the health and independence of older adults. However, this potential of widespread vaccination is rarely realized. Here, we give a brief overview of the problem, discuss concrete obstacles and the potential for expanded vaccination programs to promote healthy aging. CONCLUSION The increasing healthcare burden of infectious diseases expected in aging populations could, to a large extent, be reduced by achieving higher vaccination coverage among older adults. Vaccination can thus contribute to healthy aging, alongside healthy diet and physical exercise. The available evidence indicates that dedicated programs can achieve substantial improvements in vaccination coverage among older adults, but more research is required to assess the generalizability of the results achieved by specific interventions (see Additional file 1).
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Affiliation(s)
| | - Mark P Connolly
- Global Market Access Solutions, St-Prex, Switzerland
- Unit of PharmacoEpidemiology and PharmacoEconomics, Department of Pharmacy, University of Groningen, Groningen, The Netherlands
| | | | - Johan Flamaing
- Department of Geriatric Medicine, University Hospitals Leuven, Leuven, Belgium
- Division of Gerontology and Geriatrics, KU Leuven, Leuven, Belgium
| | - Jorg J Goronzy
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA, USA
| | | | | | - Stefania Maggi
- CNR Institute of Neuroscience, Aging Branch, Padua, Italy
| | | | - Hideaki Nagai
- Center for Pulmonary Diseases, National Hospital Organization Tokyo National Hospital, Tokyo, Japan
| | | | | | - Edward Walsh
- Department of Medicine, School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
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18
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Evolution over time in the cost-effectiveness of pneumococcal conjugate vaccine (PCV13) in older Australians due to herd protection from infant vaccination. Vaccine 2018; 36:2057-2060. [PMID: 29548606 DOI: 10.1016/j.vaccine.2018.03.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 02/28/2018] [Accepted: 03/02/2018] [Indexed: 01/29/2023]
Abstract
In many settings, serotype changes as a result of infant 13-valent pneumococcal conjugate vaccine (PCV13) programs are likely to continue after the introduction of adult PCV13 programs. We applied a multi-cohort model to explore how potential serotype changes may impact on the cost-effectiveness of PCV13 use in Australian adults aged over 65 years. We found assumptions around continued herd protection from infant PCV13 programs to be critical when assessing the cost-effectiveness of adult PCV13 vaccination in Australia. Future cost-effectiveness analyses of adult PCV13 programs need to carefully consider how to predict these future changes in serotypes, with Australian data suggesting that the changes post-PCV13 use in infants may be different than post-PCV7.
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19
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Dirmesropian S, Wood JG, MacIntyre CR, Beutels P, McIntyre P, Menzies R, Reyes JF, Chen C, Newall AT. Cost-effectiveness of 13-valent pneumococcal conjugate vaccine (PCV13) in older Australians. Vaccine 2017; 35:4307-4314. [PMID: 28693751 DOI: 10.1016/j.vaccine.2017.06.085] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Revised: 06/24/2017] [Accepted: 06/27/2017] [Indexed: 10/19/2022]
Abstract
BACKGROUND The 23-valent pneumococcal polysaccharide vaccine (PPV23) has been funded under the Australia National Immunisation Program (NIP) since January 2005 for those aged >65years and other risk groups. In 2016, PCV13 was accepted by the Pharmaceutical Benefits Advisory Committee (PBAC) as a replacement for a single dose of PPV23 in older Australian adults. METHODS A single-cohort deterministic multi-compartment (Markov) model was developed describing the transition of the population between different invasive and non-invasive pneumococcal disease related health states. We applied a healthcare system perspective with costs (Australian dollars, A$) and health effects (measured in quality adjusted life-years, QALYs) attached to model states and discounted at 5% annually. We explored replacement of PPV23 with PCV13 at 65years as well as other age based vaccination strategies. Parameter uncertainty was explored using deterministic and probabilistic sensitivity analysis. RESULTS In a single cohort, we estimated PCV13 vaccination at the age of 65years to cost ∼A$11,120,000 and prevent 39 hospitalisations and 6 deaths from invasive pneumococcal disease and 180 hospitalisations and 10 deaths from community acquired pneumonia. The PCV13 program had an incremental cost-effectiveness ratio of ∼A$88,100 per QALY gained when compared to a no-vaccination, whereas PPV23 was ∼A$297,200 per QALY gained. To fall under a cost-effectiveness threshold of A$60,000 per QALY, PCV13 would have to be priced below ∼A$46 per dose. The cost-effectiveness of PCV13 in comparison to PPV23 was ∼A$35,300 per QALY gained. CONCLUSION In comparison to no-vaccination, we found PCV13 use in those aged 65years was unlikely to be cost-effective unless the vaccine price was below A$46 or a longer duration of protection can be established. However, we found that in comparison to the PPV23, vaccination with PCV13 was cost-effective. This partly reflects the poor value for money estimated for PPV23 use in Australia.
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Affiliation(s)
- S Dirmesropian
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia.
| | - J G Wood
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia
| | - C R MacIntyre
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia
| | - P Beutels
- Centre for Health Economics Research and Modelling Infectious Diseases (CHERMID), Vaccine and Infectious Disease Institute, University of Antwerp, Antwerp, Belgium
| | - P McIntyre
- National Centre for Immunisation Research and Surveillance of Vaccine Preventable Diseases (NCIRS), Kids Research Institute, Children's Hospital at Westmead, NSW, Australia
| | - R Menzies
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia
| | - J F Reyes
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia
| | - C Chen
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia
| | - A T Newall
- School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW, Australia
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20
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Boccalini S, Bechini A, Gasparini R, Panatto D, Amicizia D, Bonanni P. Economic studies applied to vaccines against invasive diseases: An updated budget impact analysis of age-based pneumococcal vaccination strategies in the elderly in Italy. Hum Vaccin Immunother 2016; 13:417-422. [PMID: 27925845 DOI: 10.1080/21645515.2017.1264827] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Many evaluations have been performed on the economic impact of pneumococcal vaccination in older adults (>64 y of age) in several countries, including Italy. However, these studies did not include the new data on the effectiveness of 13-valent conjugate pneumococcal vaccine (PCV13) in the elderly reported by the CAPiTA Study. The aim of the present study was to update our previous budget impact analysis of multi-cohort PCV13 vaccination in adults in Italy by including new scientific evidence. We also compared single-cohort vaccination strategies per year, in order to identify the cohort with the most favorable economic profile, in the event of the multi-cohort approach not being economically sustainable for the National Health System (NHS). The new impact analysis highlights that the vaccination of one, two or three adult cohorts per year in Italy would lead to a considerable reduction in pneumococcal disease and its related costs over 5 y. The strategies proved cost-effective (ICERs ranging from €14,605 to €15,412/QALY), i.e. well below the threshold of €50,000/QALY. The ICERs were slightly lower than those calculated in the first published analysis and vaccination continued to be economically favorable. In the case of a mono-cohort strategy, the vaccination of 65-year-old subjects, albeit more expensive, proved to be more favorable than the vaccination of 70- or 75-year-old cohorts. Finally, after the inclusion of the recent clinical evidence, the age-based PCV13 vaccination of the elderly in Italy continued to be economically justified from the NHS perspective in the short period. Vaccination of the elderly should therefore be strongly recommended nationwide in Italy.
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Affiliation(s)
- Sara Boccalini
- a Department of Health Sciences , University of Florence , Florence , Italy
| | - Angela Bechini
- a Department of Health Sciences , University of Florence , Florence , Italy
| | - Roberto Gasparini
- b Department of Health Sciences , University of Genoa , Genoa , Italy
| | - Donatella Panatto
- b Department of Health Sciences , University of Genoa , Genoa , Italy
| | - Daniela Amicizia
- b Department of Health Sciences , University of Genoa , Genoa , Italy
| | - Paolo Bonanni
- a Department of Health Sciences , University of Florence , Florence , Italy
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Porchia BR, Bonanni P, Bechini A, Bonaccorsi G, Boccalini S. Evaluating the costs and benefits of pneumococcal vaccination in adults. Expert Rev Vaccines 2016; 16:93-107. [PMID: 27680425 DOI: 10.1080/14760584.2017.1242419] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Pneumococcal infection is a public health concern that disproportionately affects the young, the elderly, and the immunocompromised. There is an open debate on the implementation of polysaccharide and/or conjugate vaccines for pneumococcal diseases in adults and the elderly in many countries. The aim of this paper is to systematically review the economic profile of pneumococcal vaccines in adults in terms of costs and benefits. Areas covered: The search for economic studies on pneumococcal vaccination was carried out in Pubmed, Embase, Scopus, and the HTA and NHS EED databases and through a manual search in journals dealing with economic evaluations. We included original articles and reviews with economic evaluation of polysaccharide 23-valent (PPV23) and/or conjugate pneumococcal vaccine 13-valent (PCV13) use in adults, the elderly, and at-risk groups to provide a systematic review of economical evaluation. Expert commentary: Pneumococcal vaccination is strongly recommended for all adults, especially subjects at risk and the elderly. Pneumococcal vaccination with PCV13 or PPV23 in adults is good value for money and should be a priority for the decision-makers. The main issue is how vaccination could be offered.
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Affiliation(s)
- Barbara Rita Porchia
- a School of Specialization in Hygiene and Preventive Medicine , University of Florence , Florence , Italy
| | - Paolo Bonanni
- b Department of Health Sciences , University of Florence , Florence , Italy
| | - Angela Bechini
- b Department of Health Sciences , University of Florence , Florence , Italy
| | - Gugliemo Bonaccorsi
- c Department of Experimental and Clinical Medicine , University of Florence , Florence , Italy
| | - Sara Boccalini
- b Department of Health Sciences , University of Florence , Florence , Italy
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Stoecker C, Kim L, Gierke R, Pilishvili T. Incremental Cost-Effectiveness of 13-valent Pneumococcal Conjugate Vaccine for Adults Age 50 Years and Older in the United States. J Gen Intern Med 2016; 31:901-8. [PMID: 26976292 PMCID: PMC4945555 DOI: 10.1007/s11606-016-3651-0] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Revised: 12/30/2015] [Accepted: 02/18/2016] [Indexed: 11/24/2022]
Abstract
BACKGROUND Recently released results from a randomized controlled trial have shown that 13-valent pneumococcal conjugate vaccine (PCV13) is efficacious against vaccine-type nonbacteremic pneumonia in adults. OBJECTIVE We examined the incremental cost-effectiveness of adding PCV13 to the Advisory Committee on Immunization Practices (ACIP) adult immunization schedule. METHODS We used a probabilistic model following cohorts of 50-, 60-, or 65-year-olds. We used separate vaccination coverage and disease incidence data for healthy and high-risk adults. Incremental cost-effectiveness ratios were determined for each potential vaccination strategy. RESULTS In the base case scenario, our model indicated that adding PCV13 at age 65 or replacing 23-valent pneumococcal polysaccharide vaccine (PPSV23) at age 65 with PCV13 provided more value for money than adding PCV13 at ages 50 or 60. After projections of six additional years of herd protection from the childhood immunization program were incorporated, we found adding PCV13 dominated replacing PPSV23. For a cohort of 65-year-olds in 2013, the cost of adding PCV13 at age 65 to the schedule was $62,065 per quality-adjusted life year (QALY) gained, which rose to $272,621 after 6 years of projected herd protection. CONCLUSION The addition of one dose of PCV13 for adults appears to have a cost-effectiveness ratio comparable to other vaccination interventions in the short run, though anticipated herd protection from the childhood immunization program may dramatically increase the cost per QALY after only a few years.
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Affiliation(s)
- Charles Stoecker
- Department of Global Health Management and Policy, Tulane University School of Public Health and Tropical Medicine, 1440 Canal St #8346, New Orleans, LA, 70112, USA.
| | - Lindsay Kim
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Ryan Gierke
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Tamara Pilishvili
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
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Newall AT. What do we know about the cost-effectiveness of pneumococcal conjugate vaccination in older adults? Hum Vaccin Immunother 2016; 12:2666-2669. [PMID: 27398741 DOI: 10.1080/21645515.2016.1197449] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The cost-effectiveness of 13-type pneumococcal conjugate vaccine (PCV13) use in older adults, and the relative merits when compared to the 23-type polysaccharide pneumococcal vaccine (PPV23), has been a topic of much debate. Although a number of economics evaluations have been conducted many of these were completed before the availability of critical data on PCV13 efficacy in older adults. Recent studies using this data have found conflicting results. This may in part reflect differences in the level of herd protection from infant pneumococcal vaccination programs in different countries. The costs and benefits of pneumococcal vaccination in adults are likely to rest on several critical parameters: the magnitude pneumococcal disease in older adults and the serotypes responsible for it, the efficacy of each vaccine against invasive and non-invasive pneumonia, the duration of vaccine protection, and differences in vaccine price. The ongoing changes in pneumococcal disease patterns highlight the need for economic evaluations to use recent serotype-specific disease estimates from the setting under consideration. In countries that do recommend PCV13 use in adults, post-implementation economic evaluation (using data from after a program is implemented) may be useful to help inform potential future changes to vaccine recommendations as well as the maximum price that should be paid for the vaccines in future negotiations.
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Affiliation(s)
- A T Newall
- a School of Public Health and Community Medicine, University of New South Wales , Sydney , NSW , Australia
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Blommaert A, Bilcke J, Willem L, Verhaegen J, Goossens H, Beutels P. The cost-effectiveness of pneumococcal vaccination in healthy adults over 50: An exploration of influential factors for Belgium. Vaccine 2016; 34:2106-12. [PMID: 26988257 DOI: 10.1016/j.vaccine.2016.03.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 02/22/2016] [Accepted: 03/03/2016] [Indexed: 11/17/2022]
Abstract
BACKGROUND A recent trial demonstrated the 13 valent conjugate pneumococcal vaccine (PCV13) to be effective against invasive and non-invasive pneumococcal disease in healthy adults. PCV13 might therefore be considered as an alternative to the 23 valent polysaccharide vaccine (PPV23). AIM To explore the cost-effectiveness of vaccinating healthy adults over 50, with either PCV13 or PPV23 alone, or with a combined strategy using both PCV13 and PPV23. METHODS A static multi-cohort model was developed simulating the consequences of pneumococcal vaccination in adults over 50 from a health care payer's perspective, for different scenarios of duration of vaccine protection and serotype evolution. RESULTS At currently expected prices, PCV13 vaccination of healthy adults over 50 is unlikely to be cost-effective either compared with no vaccination or in combination with PPV23 versus PPV23 only. CONCLUSION Further research is needed on vaccine efficacy of the combination strategy and of risk groups, as well as the duration of vaccine protection. Serotype evolutions under the influence of the childhood PCV program should be closely monitored.
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Affiliation(s)
- Adriaan Blommaert
- Centre for Health Economic Research and Modeling Infectious Diseases (CHERMID), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium; Interuniversity Institute for Biostatistics and Statistical Bioinformatics (I-BIOSTAT), University of Hasselt, Diepenbeek, Belgium.
| | - Joke Bilcke
- Centre for Health Economic Research and Modeling Infectious Diseases (CHERMID), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
| | - Lander Willem
- Centre for Health Economic Research and Modeling Infectious Diseases (CHERMID), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium; Interuniversity Institute for Biostatistics and Statistical Bioinformatics (I-BIOSTAT), University of Hasselt, Diepenbeek, Belgium; Department of Mathematics and Computer Science, University of Antwerp, Middelheimlaan 1, B2020 Antwerp, Belgium
| | - Jan Verhaegen
- Department of Clinical Microbiology, Universitair Ziekenhuis Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - Herman Goossens
- Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
| | - Philippe Beutels
- Centre for Health Economic Research and Modeling Infectious Diseases (CHERMID), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium; School of Public Health and Community Medicine, University of New South Wales, Australia
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Garattini L, Padula A, Da Costa MR. Economic Evidence of Pneumococcal Vaccination in Older Adults: Uncertain Modelling or Competitive Tendering? PHARMACOECONOMICS 2016; 34:221-224. [PMID: 26518294 DOI: 10.1007/s40273-015-0341-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Affiliation(s)
- Livio Garattini
- IRCCS Institute for Pharmacological Research "Mario Negri", 24020, Ranica, Italy.
| | - Anna Padula
- IRCCS Institute for Pharmacological Research "Mario Negri", 24020, Ranica, Italy
| | - Milene Rangel Da Costa
- IRCCS Institute for Pharmacological Research "Mario Negri", 24020, Ranica, Italy
- Faculty of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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van Hoek AJ, Miller E. Cost-Effectiveness of Vaccinating Immunocompetent ≥65 Year Olds with the 13-Valent Pneumococcal Conjugate Vaccine in England. PLoS One 2016; 11:e0149540. [PMID: 26914907 PMCID: PMC4767406 DOI: 10.1371/journal.pone.0149540] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Accepted: 02/02/2016] [Indexed: 11/18/2022] Open
Abstract
Background Recently a large clinical trial showed that the use of 13-valent pneumococcal conjugate vaccine (PCV13) among immunocompetent individuals aged 65 years and over was safe and efficacious. The aim of this study was to assess the cost-effectiveness of vaccinating immunocompetent 65 year olds with PCV13 vaccine in England. England is a country with universal childhood pneumococcal conjugate vaccination programme in place (7-valent (PCV7) since 2006 and PCV13 since 2010), as well as a 23-valent pneumococcal polysaccharide (PPV23) vaccination programme targeting clinical risk-groups and those ≥65 years. Method A static cohort cost-effectiveness model was developed to follow a cohort of 65 year olds until death, which will be vaccinated in the autumn of 2016 with PCV13. Sensitivity analysis was performed to test the robustness of the results. Results The childhood vaccination programme with PCV7 has induced herd protection among older unvaccinated age groups, with a resultant low residual disease burden caused by PCV7 vaccine types. We show similar herd protection effects for the 6 additional serotypes included in PCV13, and project a new low post-introduction equilibrium of vaccine-type disease in 2018/19. Applying these incidence projections for both invasive disease and community-acquired pneumonia (CAP), and using recent measures of vaccine efficacy against these endpoints for ≥65 year olds, we estimate that vaccination of a cohort of immunocompetent 65 year olds with PCV13 would directly prevent 26 cases of IPD, 69 cases of CAP and 15 deaths. The associated cost-effectiveness ratio is £257,771 per QALY gained (using list price of £49.10 per dose and £7.51 administration costs) and is therefore considered not cost-effective. To obtain a cost-effective programme the price per dose would need to be negative. The results were sensitive to disease incidence, waning vaccine protection and case fatality rate; despite this, the overall conclusion was robust. Conclusions Vaccinating immunocompetent individuals aged ≥65 years with PCV13 is efficacious. However the absolute incidence of vaccine-type disease will likely become very low due to wider benefits of the childhood PCV13 vaccination programme, such that a specific PCV13 vaccination programme targeting the immunocompetent elderly would not be cost-effective.
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Affiliation(s)
- Albert Jan van Hoek
- Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, Keppel street, WC1E 7HT, London, England
- Immunisation, Hepatitis and Blood Safety Department, Public Health England, 61 Colindale Avenue, NW9 5EQ, London, England
- * E-mail:
| | - Elizabeth Miller
- Immunisation, Hepatitis and Blood Safety Department, Public Health England, 61 Colindale Avenue, NW9 5EQ, London, England
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Eilers R, Krabbe PFM, de Melker HE. Attitudes of Dutch general practitioners towards vaccinating the elderly: less is more? BMC FAMILY PRACTICE 2015; 16:158. [PMID: 26510703 PMCID: PMC4625969 DOI: 10.1186/s12875-015-0377-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 10/22/2015] [Indexed: 11/10/2022]
Abstract
Background In many European countries, vaccinations are offered to the elderly. Expanding the programme to include routine vaccination against pneumococcal disease, herpes zoster, and pertussis, for example, could reduce disease burden amongst the growing population of persons aged 50 years and older. Since most countries involve general practitioners (GPs) in the programmes, the potential success of such new vaccinations depends on the attitude of GPs towards these vaccinations. This qualitative study explores Dutch GPs’ attitudes regarding vaccination in general, and their attitudes regarding the incorporation of additional vaccines in the current Dutch influenza vaccination programme. Methods Interviews were held with ten Dutch GPs (five men and five women) that worked either in an academic hospital, in a practice based in a health center, or in individual practice. All interviews were recorded with a digital voice recorder and transcribed verbatim. Transcripts were analysed according to thematic analysis. Results GPs perceived prevention as part as their job and believed vaccination to be effective for preventing infectious diseases. However, influenza vaccination was not always perceived as effective. Doubts regarding the usefulness of additional vaccinations were identified. If additional vaccines would be offered, this should be based on scientific evidence and the severity of the infectious disease. Selection of patients for vaccination should not be based solely on age, but more on risk factors. The GP should be the central point of contact for new vaccination campaigns; however, high workload was seen as a concern. Several GPs questioned their ability to refuse to distribute the vaccinations. Conclusions A positive attitude towards implementing additional vaccinations is not apparent. Achieving the most health benefits seems to be the most important consideration of Dutch GPs regarding vaccinating older adults. Questions regarding the usefulness of vaccinating older adults should be taken into consideration. More research is necessary to confirm the results among a wider range of Dutch GPs.
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Affiliation(s)
- Renske Eilers
- Department of Epidemiology, University of Groningen, Academic Medical Center Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands. .,Center for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), P.O Box 1, 3720 BA, Bilthoven, The Netherlands.
| | - Paul F M Krabbe
- Department of Epidemiology, University of Groningen, Academic Medical Center Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands.
| | - Hester E de Melker
- Center for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), P.O Box 1, 3720 BA, Bilthoven, The Netherlands.
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