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Stefanizzi P, Bianchi FP, Moscara L, Martinelli A, Di Lorenzo A, Gesualdo L, Simone S, Rendina M, Tafuri S. Determinants of compliance to influenza and COVID-19 vaccination in a cohort of solid organ transplant patients in Puglia, Southern Italy (2017-2022). Hum Vaccin Immunother 2023; 19:2266932. [PMID: 37842986 PMCID: PMC10580794 DOI: 10.1080/21645515.2023.2266932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 09/30/2023] [Indexed: 10/17/2023] Open
Abstract
Influenza and Coronavirus Disease 2019 (COVID-19) vaccination are recommended in both solid organ transplant (SOT) candidates and recipients. In Puglia, Southern Italy, an active vaccination offer program has been activated targeting these patients. This study aims at investigating vaccination coverage (VC) for both vaccines in a SOT patients' cohort, as well as at identifying the vaccination compliance determinant. This is a retrospective, population-based study. The study population consists of the SOT patients who accessed Bari's "Policlinico" General Hospital during 2017-2022. Patients were contacted and, after providing their consent, asked their immunization status regarding influenza and COVID-19 and whether they had already undergone transplant or were waiting to do so. Regression models were fitted to investigate the determinants of VCs for influenza vaccination (2021/22 and 2022/23 seasons) and for COVID-19 vaccination (three-dose base cycle, first and second booster doses). Three-hundred and ten SOT patients were identified; 85.2% (264/310) had already undergone SOT. VCs were suboptimal, especially for constant yearly influenza vaccination (17.7%) and COVID-19 vaccination's second booster (1.94%). Logistic regression highlighted that influenza VCs are higher for SOT recipients than SOT candidates, as well as for older patients, although when considering both vaccination seasons only age significantly impact the vaccination uptake. Older age was the only influential variable for COVID-19 VC. VCs for SOT patients seem to be unsatisfying. Stronger interventions are required.
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Affiliation(s)
- Pasquale Stefanizzi
- Hygiene Unit – Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy
| | - Francesco Paolo Bianchi
- Hygiene Unit – Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy
| | - Lorenza Moscara
- Hygiene Unit – Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy
| | - Andrea Martinelli
- Hygiene Unit – Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy
| | - Antonio Di Lorenzo
- Hygiene Unit – Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy
| | - Loreto Gesualdo
- Nephrology, Dialysis and Transplantation Unit, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari Aldo Moro, Bari, Italy
| | - Simona Simone
- Nephrology, Dialysis and Transplantation Unit, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari Aldo Moro, Bari, Italy
| | - Maria Rendina
- Section of Gastroenterology, Department of Emergency and Organ Transplantation, University of Bari, Bari, Italy
| | - Silvio Tafuri
- Hygiene Unit – Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy
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Crane C, Loop L, Anterasian C, Geng B, Ingulli E. Balancing B cell responses to the allograft: implications for vaccination. Front Immunol 2022; 13:948379. [PMID: 35967363 PMCID: PMC9363634 DOI: 10.3389/fimmu.2022.948379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 07/06/2022] [Indexed: 11/13/2022] Open
Abstract
Balancing enough immunosuppression to prevent allograft rejection and yet maintaining an intact immune system to respond to vaccinations, eliminate invading pathogens or cancer cells is an ongoing challenge to transplant physicians. Antibody mediated allograft rejection remains problematic in kidney transplantation and is the most common cause of graft loss despite current immunosuppressive therapies. The goal of immunosuppressive therapies is to prevent graft rejection; however, they prevent optimal vaccine responses as well. At the center of acute and chronic antibody mediated rejection and vaccine responses is the B lymphocyte. This review will highlight the role of B cells in alloimmune responses including the dependency on T cells for antibody production. We will discuss the need to improve vaccination rates in transplant recipients and present data on B cell populations and SARS-CoV-2 vaccine response rates in pediatric kidney transplant recipients.
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Affiliation(s)
- Clarkson Crane
- Department of Pediatrics, Division of Pediatric Nephrology, University of California at San Diego and Rady Children’s Hospital, San Diego, CA, United States
| | - Lauren Loop
- Department of Pediatrics, Division of Allergy and Immunology, University of California at San Diego and Rady Children’s Hospital, San Diego, CA, United States
| | - Christine Anterasian
- Department of Pediatrics, Division of Allergy and Immunology, University of California at San Diego and Rady Children’s Hospital, San Diego, CA, United States
- Department of Pediatrics, Division of Pediatric Infectious Diseases, University of Washington and Seattle Children's Hospital, Seattle, WA, United States
| | - Bob Geng
- Department of Pediatrics, Division of Allergy and Immunology, University of California at San Diego and Rady Children’s Hospital, San Diego, CA, United States
| | - Elizabeth Ingulli
- Department of Pediatrics, Division of Pediatric Nephrology, University of California at San Diego and Rady Children’s Hospital, San Diego, CA, United States
- *Correspondence: Elizabeth Ingulli,
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Babu TM, Kotton CN. Immunizations in Chronic Kidney Disease and Kidney Transplantation. CURRENT TREATMENT OPTIONS IN INFECTIOUS DISEASES 2021; 13:47-65. [PMID: 34025219 PMCID: PMC8126514 DOI: 10.1007/s40506-021-00248-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/18/2021] [Indexed: 12/23/2022]
Abstract
PURPOSE OF REVIEW Infection is a significant cause of morbidity and mortality in both patients with chronic kidney disease (CKD) and in recipients of a kidney transplant (KT). We review the current data in patients with CKD, on dialysis, and in KT recipients to provide further guidance for clinicians regarding vaccine optimization in this patient population. RECENT FINDINGS This patient population remains under-vaccinated and thus more vulnerable to vaccine-preventable illness. Despite diminished responses to immunization in this population, significant protection is generally achieved. SUMMARY Vaccines are an important preventative tool and offer protection against infection. In the setting of suboptimal and waning immunity in this patient population, future studies are indicated to determine optimal vaccination regimens.
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Affiliation(s)
- Tara M. Babu
- Division of Allergy and Infectious Diseases, University of Washington, 908 Jefferson Street, Suite 11NJ-1166, Seattle, WA 98104 USA
- Division of Infectious Diseases, University of Rochester Medical Center, Rochester, NY USA
| | - Camille N. Kotton
- Transplant and Immunocompromised Host Infectious Diseases, Infectious Diseases Division, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Cox 5, Boston, MA 02114 USA
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Mombelli M, Kampouri E, Manuel O. Influenza in solid organ transplant recipients: epidemiology, management, and outcomes. Expert Rev Anti Infect Ther 2020; 18:103-112. [DOI: 10.1080/14787210.2020.1713098] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Matteo Mombelli
- Infectious Diseases Service, Lausanne University Hospital, Lausanne, Switzerland
- Transplantation Center, Lausanne University Hospital, Lausanne, Switzerland
| | - Eleftheria Kampouri
- Infectious Diseases Service, Lausanne University Hospital, Lausanne, Switzerland
| | - Oriol Manuel
- Infectious Diseases Service, Lausanne University Hospital, Lausanne, Switzerland
- Transplantation Center, Lausanne University Hospital, Lausanne, Switzerland
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Feldman AG, Atkinson K, Wilson K, Kumar D. Underimmunization of the solid organ transplant population: An urgent problem with potential digital health solutions. Am J Transplant 2020; 20:34-39. [PMID: 31553135 PMCID: PMC6940518 DOI: 10.1111/ajt.15605] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/11/2019] [Accepted: 09/07/2019] [Indexed: 01/25/2023]
Abstract
Solid organ transplant recipients are at risk for potentially life-threatening infections due to lifelong immunosuppression. Vaccine-preventable infections result in graft injury, morbidity, mortality, and significantly increased medical costs. Unfortunately, the majority of transplant recipients continue to be underimmunized at the time of transplant and thereafter. Given the rising rates of vaccine hesitancy and refusal in the general population, transplant recipients can no longer rely on herd immunity to protect them from vaccine-preventable infections. Novel tools are desperately needed to overcome transplant-specific immunization barriers to improve immunization rates in this high-risk population. Digital health technologies may offer a solution by addressing transplant-specific barriers: specifically, providing accurate information about vaccine safety, efficacy, and timing in the pre- and posttransplant periods; making a complete immunization record universally available and easily accessible; enabling communication between patients and multiple providers; and providing automated vaccine reminders to both patients and providers when vaccines are due using transplant-specific immunization guidelines. Digital health has transformed health care by empowering patients with their own health information and connecting patients, their providers, and public health officials. In doing so, it offers a potential platform to address and overcome the problem of underimmunization in the transplant population.
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Affiliation(s)
- Amy G. Feldman
- Section of Gastroenterology, Hepatology and Nutrition and the Digestive Health Institute, Adult and Child Consortium for Health Outcomes Research and Delivery Science (ACCORDS), Children’s Hospital Colorado and the University of Colorado School of Medicine, Aurora, CO
| | - Katherine Atkinson
- Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden 17177
| | - Kumanan Wilson
- Department of Medicine, University of Ottawa, Ottawa Hospital Research Institute, The Ottawa Hospital, Civic Campus, Ottawa, ON
| | - Deepali Kumar
- Transplant Infectious Diseases and Multi Organ Transplant Program, University Health Network, Toronto ON
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Vaccinations in pediatric kidney transplant recipients. Pediatr Nephrol 2019; 34:579-591. [PMID: 29671067 DOI: 10.1007/s00467-018-3953-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 03/16/2018] [Accepted: 03/22/2018] [Indexed: 12/16/2022]
Abstract
Pediatric kidney transplant (KT) candidates should be fully immunized according to routine childhood schedules using age-appropriate guidelines. Unfortunately, vaccination rates in KT candidates remain suboptimal. With the exception of influenza vaccine, vaccination after transplantation should be delayed 3-6 months to maximize immunogenicity. While most vaccinations in the KT recipient are administered by primary care physicians, there are specific schedule alterations in the cases of influenza, hepatitis B, pneumococcal, and meningococcal vaccinations; consequently, these vaccines are usually administered by transplant physicians. This article will focus on those deviations from the normal vaccine schedule important in the care of pediatric KT recipients. The article will also review human papillomavirus vaccine due to its special importance in cancer prevention. Live vaccines are generally contraindicated in KT recipients. However, we present a brief review of live vaccines in organ transplant recipients, as there is evidence that certain live virus vaccines may be safe and effective in select groups. Lastly, we review vaccination of pediatric KT recipients prior to international travel.
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Gunawansa N, Rathore R, Sharma A, Halawa A. Vaccination practices in End Stage Renal Failure and Renal Transplantation; Review of current guidelines and recommendations. World J Transplant 2018; 8:68-74. [PMID: 29988933 PMCID: PMC6033742 DOI: 10.5500/wjt.v8.i3.68] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 02/02/2018] [Accepted: 03/13/2018] [Indexed: 02/05/2023] Open
Abstract
Due to the increased burden of infectious complications following solid organ transplantation, vaccination against common pathogens is a hugely important area of discussion and application in clinical practice. Reduction in infectious complications will help to reduce morbidity and mortality post-transplantation. Immunisation history is invaluable in the work-up of potential recipients. Knowledge of the available vaccines and their use in transplant recipients, donors and healthcare providers is vital in the delivery of quality care to transplant recipients. This article will serve as an aide-memoire to transplant physicians and health care professionals involved in managing transplant recipients as it provides an overview of different types of vaccines, timing of vaccination, vaccines contraindicated post solid organ transplantation and travel vaccines.
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Affiliation(s)
- Nalaka Gunawansa
- National Institute of Nephrology Dialysis and Transplantation, Sri Lanka and Faculty of Health and Science, Institute of Learning and Teaching, University of Liverpool, Liverpool 111, United Kingdom
| | - Roshni Rathore
- Department of Renal, University Hospitals of Coventry and Warwickshire and Faculty of Health and Science, Institute of Learning and Teaching, University of Liverpool, Liverpool 111, United Kingdom
| | - Ajay Sharma
- Faculty of Health and Science, Institute of Learning and Teaching, University of Liverpool and Royal Liverpool University Hospital, Liverpool 111, United Kingdom
| | - Ahmed Halawa
- Faculty of Health and Science, Institute of Learning and Teaching, University of Liverpool and Royal Liverpool University Hospital, Liverpool 111, United Kingdom
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Chong HJ, Kim HK, Lee MH, Lee S. Influenza vaccine acceptance and health beliefs among Korean kidney transplant patients. PSYCHOL HEALTH MED 2018; 23:1113-1124. [DOI: 10.1080/13548506.2018.1467023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Hye Jin Chong
- Organ Transplant Center, Chonbuk National University Hospital, Jeonju-si, South Korea
| | - Hyun Kyung Kim
- College of Nursing, Research Institute of Nursing Science, Chonbuk National University, Jeonju-si, South Korea
| | - Myung Ha Lee
- College of Nursing, Research Institute of Nursing Science, Chonbuk National University, Jeonju-si, South Korea
| | - Sik Lee
- Division of Nephrology, Department of Internal Medicine, Chonbuk National University Hospital, Jeonju-si, South Korea
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Miller RM, Rohde KA, Tingle MTA, Moran JJM, Hayney MS. Antibody responses to influenza vaccine in pre- and post-lung transplant patients. Clin Transplant 2016; 30:606-12. [PMID: 26928266 DOI: 10.1111/ctr.12726] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/24/2016] [Indexed: 11/29/2022]
Abstract
BACKGROUND Although pre-transplant immunization is routinely recommended, this recommendation is based on little data. The primary objective of this study was to compare antibody responses in lung transplant patients who received influenza vaccine before the transplant, within the first six months of transplant, between 13 and 60 months post-transplant, and 110 months or beyond transplant. METHODS This prospective cohort study included 357 total immunization events performed over five yr to measure H1N1, H3N2, and B antibody responses to the influenza vaccine in pre- and post-lung transplant patients. Geometric mean titers, seroprotection (antibody titer at least 1:40), seroconversion (fourfold increase between pre and post), and mean fold increases were compared. RESULTS The geometric mean titer distributions were different for H3N2 and B (ANOVA; p = 0.002 for both). Pre-transplant antibody concentrations were higher compared to the 13- to 60-month group for H3N2 (corrected p = 0.002) and the healthy group for B (corrected p = 0.001). The ≥110-month group had higher seroconversion rates compared to the 13- to 60-month group for H3N2 and B viruses. CONCLUSION Lung pre-transplant patients and the long-term survivors have higher responses to the influenza vaccine than early post-transplant and the transplant control groups.
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Affiliation(s)
- Ryan M Miller
- University of Wisconsin-Madison School of Pharmacy, Madison, Wisconsin, USA
| | - Kalynn A Rohde
- University of Wisconsin-Madison School of Pharmacy, Madison, Wisconsin, USA
| | - Michael T A Tingle
- University of Wisconsin-Madison School of Pharmacy, Madison, Wisconsin, USA
| | - John J M Moran
- University of Wisconsin-Madison School of Pharmacy, Madison, Wisconsin, USA
| | - Mary S Hayney
- University of Wisconsin-Madison School of Pharmacy, Madison, Wisconsin, USA
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Eibl MM, Wolf HM. Vaccination in patients with primary immune deficiency, secondary immune deficiency and autoimmunity with immune regulatory abnormalities. Immunotherapy 2015; 7:1273-92. [PMID: 26289364 DOI: 10.2217/imt.15.74] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Vaccination has been an important healthcare measure in preventing infectious diseases. The response to vaccination is reduced in immunocompromised patients, primary immune deficiency (PID) and secondary immune deficiency (SID), but vaccination studies still demonstrated a protective effect resulting in reducing complications, hospitalization, treatment costs and even mortality. The primary physician and the specialist directing patient care are responsible for vaccination. Live vaccines are contraindicated in patients with severe immune impairment, killed vaccines are highly recommended in PID and SID. Criteria have been defined to distinguish high- or low-level immune impairment in the different disease entities among PID and SID patients. For patients who do not respond to diagnostic vaccination as characterized by antibody failure immunoglobulin replacement is the mainstay of therapy.
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Affiliation(s)
- Martha M Eibl
- Immunology Outpatient Clinic, Schwarzspanierstrasse 15,1090 Vienna, Austria
| | - Hermann M Wolf
- Immunology Outpatient Clinic, Schwarzspanierstrasse 15,1090 Vienna, Austria
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GiaQuinta S, Michaels MG, McCullers JA, Wang L, Fonnesbeck C, O'Shea A, Green M, Halasa NB. Randomized, double-blind comparison of standard-dose vs. high-dose trivalent inactivated influenza vaccine in pediatric solid organ transplant patients. Pediatr Transplant 2015; 19:219-28. [PMID: 25523718 DOI: 10.1111/petr.12419] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/24/2014] [Indexed: 01/04/2023]
Abstract
Children who have undergone SOT mount a lower immune response after vaccination with TIV compared to healthy controls. HD or SD TIV in pediatric SOT was given to subjects 3-17 yr and at least six months post-transplant. Subjects were randomized 2:1 to receive either the HD (60 μg) or the SD (15 μg) TIV. Local and systemic reactions were solicited after each vaccination, and immune responses were measured before and after each vaccination. Thirty-eight subjects were enrolled. Mean age was 11.25 yr; 68% male, 45% renal, 26% heart, 21% liver, 5% lung, and 5% intestinal. Twenty-three subjects were given HD and 15 SD TIV. The median time since transplant receipt was 2.2 yr. No severe AEs or rejection was attributed to vaccination. The HD group reported more tenderness and local reactions, fatigue, and body ache when compared to the SD cohort, but these were considered mild and resolved within three days. Subjects in the HD group demonstrated a higher percentage of four-fold titer rise to H3N2 compared to the SD group. HD influenza vaccine was well tolerated and may have increased immunogenicity. A phase 2 trial is needed to confirm.
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Affiliation(s)
- Sarah GiaQuinta
- Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
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12
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Abstract
Many transplant recipients are not protected against vaccine-preventable illnesses, primarily because vaccination is still an underutilized tool both before and after transplantation. This missed opportunity for protection can result in substantial morbidity, graft loss and mortality. Immunization strategies should be formulated early in the course of renal disease to maximize the likelihood of vaccine-induced immunity, particularly as booster or secondary antibody responses are less affected by immune compromise than are primary or de novo antibody responses in naive vaccine recipients. However, live vaccines should be avoided in immunocompromised hosts. Although some concern has been raised regarding increased HLA sensitization after vaccination, no clinical data to suggest harm currently exists; overall, non-live vaccines seem to be immunogenic, protective and safe. In organ transplant recipients, some vaccines are indicated based on specific risk factors and certain vaccines, such as hepatitis B, can protect against donor-derived infection. Vaccines given to close contacts of renal transplant recipients can provide an additional layer of protection against infectious diseases. In this article, optimal vaccination of adult transplant recipients, including safety, efficacy, indication and timing, is reviewed.
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O'Shea D, Widmer LA, Stelling J, Egli A. Changing face of vaccination in immunocompromised hosts. Curr Infect Dis Rep 2014; 16:420. [PMID: 24992978 DOI: 10.1007/s11908-014-0420-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Infection prevention is a key component of care and an important determinant of clinical outcomes in a diverse population of immunocompromised hosts. Vaccination remains a fundamental preventative strategy, and clear guidelines exist for the vaccination of immunocompromised individuals and close contacts. Unfortunately, adherence to such guidelines is frequently suboptimal, with consequent missed opportunities to prevent infection. Additionally, vaccination of immunocompromised individuals is known to produce responses inferior to those observed in immunocompetent hosts. Multiple factors contribute to this finding, and developing improved vaccination strategies for those at high risk of infectious complications remains a priority of care providers. Herein, we review potential factors contributing to vaccine outcomes, focusing on host immune responses, and propose a means for applying modern, innovative systems biology technology to model critical determinants of vaccination success. With influenza vaccine in solid organ transplants used as a case in point, novel means for stratifying individuals using a host "immunophenotype" are explored, and strategies for individualizing vaccine approaches tailored to safely optimize vaccine responses in those most at risk are discussed.
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Affiliation(s)
- Daire O'Shea
- Division of Infectious Diseases, University of Alberta, Edmonton, Canada
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Impact of immunosuppression on recall immune responses to influenza vaccination in stable renal transplant recipients. Transplantation 2014; 97:846-53. [PMID: 24366008 DOI: 10.1097/01.tp.0000438024.10375.2d] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
BACKGROUND The recommendation by the American Society of Transplantation for annual trivalent inactivated influenza vaccination greater than 3 to 6 months post-kidney transplantation provides a unique opportunity to test the in vivo impact of immunosuppression on recall T- and B-cell responses to influenza vaccination. METHODS This study took advantage of recent breakthroughs in the single-cell quantification of human peripheral blood B-cell responses to prospectively evaluate both B- and T-cell responses to the seasonal (2010 and 2011) influenza vaccine in 23 stable renal transplant recipients and 22 healthy controls. RESULTS AND CONCLUSION The results demonstrate that the early B-cell response to influenza vaccination, quantified by the frequency of influenza-specific antibody-secreting cells (ASC) in peripheral blood, was significantly reduced in stable transplant recipients compared to healthy controls. The magnitude of the seroresponse and the rate of seroconversion were also blunted. The influenza-specific interferon-gamma (IFNγ) T-cell response was significantly reduced in transplant recipients; however, there was no correlation between the magnitude of the influenza-specific IgG ASC and IFNγ responses. The induction of memory T- and B-cell responses to influenza vaccination supports the recommendation to vaccinate while the blunted responses demonstrate the efficacy of immunosuppression in controlling memory responses individual transplant recipients.
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Ison MG. Influenza prevention and treatment in transplant recipients and immunocompromised hosts. Influenza Other Respir Viruses 2014; 7 Suppl 3:60-6. [PMID: 24215383 DOI: 10.1111/irv.12170] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The host immune response is critical for the control and clearance of influenza virus after initial infection. Unfortunately, key components of the innate and adaptive responses to influenza are compromised in solid organ and hematopoietic stem cell transplant recipients. As a result, influenza in these key patient populations is associated with prolonged viral shedding, more frequent complications, including bacterial and fungal superinfections and rejection, and increased mortality. While vaccine is the critical prophylaxis strategy in other populations, response rates are diminished, particularly early post-transplant, among immunocompromised patients. Prospective data suggest that antiviral prophylaxis represents an effective and safe alternative to vaccine in patients who would be predicted to have poor responses to influenza vaccine. While there have not been randomized, controlled studies of antiviral therapy completed in solid organ or hematopoietic stem cell patient populations, observational data suggest that early therapy is associated with reduced rates of progression to lower airway involvement, morbidity, and mortality. Further studies are needed to define the optimal regimen, dose, duration, and endpoint to define successful treatment.
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Affiliation(s)
- Michael G Ison
- Divisions of Infectious Diseases & Organ Transplantation, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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16
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Kotton CN. Optimizing the immunogenicity of pandemic H1N1 2009 influenza vaccine in adult organ transplant patients. Expert Rev Vaccines 2014; 11:423-6. [DOI: 10.1586/erv.12.19] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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18
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Current world literature. Curr Opin Organ Transplant 2011; 16:650-60. [PMID: 22068023 DOI: 10.1097/mot.0b013e32834dd969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Kumar D, Blumberg EA, Danziger-Isakov L, Kotton CN, Halasa NB, Ison MG, Avery RK, Green M, Allen UD, Edwards KM, Miller G, Michaels MG. Influenza vaccination in the organ transplant recipient: review and summary recommendations. Am J Transplant 2011; 11:2020-30. [PMID: 21957936 DOI: 10.1111/j.1600-6143.2011.03753.x] [Citation(s) in RCA: 123] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Influenza virus causes a spectrum of illness in transplant recipients with a high rate of lower respiratory disease. Seasonal influenza vaccination is an important public health measure recommended for transplant recipients and their close contacts. Vaccine has been shown to be safe and generally well tolerated in both adult and pediatric transplant recipients. However, responses to vaccine are variable and are dependent on various factors including time from transplantation and specific immunosuppressive medication. Seasonal influenza vaccine has demonstrated safety and no conclusive evidence exists for a link between vaccination and allograft dysfunction. Annually updated trivalent inactivated influenza vaccines have been available and routinely used for several decades, although newer influenza vaccination formulations including high-dose vaccine, adjuvanted vaccine, quadrivalent inactivated vaccine and vaccine by intradermal delivery system are now available or will be available in the near future. Safety and immunogenicity data of these new formulations in transplant recipients requires investigation. In this document, we review the current state of knowledge on influenza vaccines in transplant recipients and make recommendations on the use of vaccine in both adult and pediatric organ transplant recipients.
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Affiliation(s)
- D Kumar
- Transplant Infectious Diseases, University of Alberta, Edmonton, AB, Canada Division of Infectious Diseases, University of Pennsylvania, Philadelphia, PA, USA.
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Kotton CN. Vaccinations in kidney transplant patients: searching for optimal protection. Clin J Am Soc Nephrol 2011; 6:2099-101. [PMID: 21852666 DOI: 10.2215/cjn.07330711] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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