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Dasanu CA, Mann SK, Baidya M, Mdluli XP, Stapleton AE, Codreanu I. Evaluation of infectious morbidity due to BTK inhibitors in indolent B-cell lymphomas: latest research findings and systematic analysis. Expert Opin Pharmacother 2024; 25:1525-1540. [PMID: 39109526 DOI: 10.1080/14656566.2024.2390121] [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: 05/22/2024] [Accepted: 08/05/2024] [Indexed: 08/28/2024]
Abstract
INTRODUCTION Randomized clinical trials (RCTs) have suggested that BTK inhibitors (BTKis) might increase infectious disease (ID) risk. Systematic analysis of this topic as derived from RCTs and clinical practice is needed. AREAS COVERED An extensive Medline, Embase, and Cochrane search of peer-reviewed sources reporting on ID morbidity in patients on BTKis was performed (1 January 2014 - 31 December 2013). Contribution of intrinsic immune defects in indolent B-cell lymphomas to this morbidity was carefully considered. EXPERT OPINION Patients with indolent B-cell lymphomas display a wide range of innate and adaptive immune defects. In addition, BTKi use is linked with an increased signal of upper respiratory tract infections (URTIs) and pneumonias, mainly grade 1-2. These agents also increase the risk of rare invasive fungal infections (IFIs), mainly due to Cryptococcus and Aspergillus spp. with a peak within several months after the start of therapy. More than half of these IFIs are fatal. Research suggests a similar ID risk across 1st, 2nd and 3rd generations of BTKis, all causing B-cell dysfunction due to BTK inhibition, along with off-target functional neutrophil/macrophage alterations. Expanding the knowledge base on ID morbidity in patients on BTKis would facilitate timely diagnosis and treatment, and improve clinical outcomes.
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Affiliation(s)
- Constantin A Dasanu
- Lucy Curci Cancer Center, Eisenhower Health, Rancho Mirage, CA, USA
- Department of Medical Oncology and Hematology, UC San Diego Health System, San Diego, CA, USA
| | - Samar K Mann
- Department of Graduate Medical Education, Oakland William Beaumont School of Medicine, Rochester, MI, USA
| | - Melvin Baidya
- Lucy Curci Cancer Center, Eisenhower Health, Rancho Mirage, CA, USA
| | - Xolani P Mdluli
- Department of Infectious Diseases, Eisenhower Health, Rancho Mirage, CA, USA
| | - Ann E Stapleton
- Department of Infectious Diseases, Eisenhower Health, Rancho Mirage, CA, USA
| | - Ion Codreanu
- Translational Imaging Center, Houston Methodist Research Institute, Houston, TX, USA
- Department of Radiology, Nicolae Testemitanu State University of Medicine and Pharmacy, Chisinau, Republic of Moldova
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2
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Francis ER, Vu J, Perez CO, Sun C. Vaccinations in patients with chronic lymphocytic leukemia. Semin Hematol 2024; 61:131-138. [PMID: 38302313 PMCID: PMC11162341 DOI: 10.1053/j.seminhematol.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/04/2023] [Accepted: 01/02/2024] [Indexed: 02/03/2024]
Abstract
Chronic lymphocytic leukemia (CLL) is characterized by immune dysfunction resulting in heightened susceptibility to infections and elevated rates of morbidity and mortality. A key strategy to mitigate infection-related complications has been immunization against common pathogens. However, the immunocompromised status of CLL patients poses challenges in eliciting an adequate humoral and cellular immune response to vaccination. Most CLL-directed therapy disproportionately impairs humoral immunity. Vaccine responsiveness also depends on the phase and type of immune response triggered by immunization. In this review, we discuss the immune dysfunction, vaccine responsiveness, and considerations for optimizing vaccine response in patients with CLL.
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Affiliation(s)
| | - Jennifer Vu
- Rosalind Franklin University of Medicine and Science, Chicago Medical School
| | | | - Clare Sun
- National Institutes of Health, National Heart, Lung, and Blood Institute.
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3
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Edelmann J, Malcikova J, Riches JC. Opinion: What defines high-risk CLL in the post-chemoimmunotherapy era? Front Oncol 2023; 13:1106579. [PMID: 36845738 PMCID: PMC9948015 DOI: 10.3389/fonc.2023.1106579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 01/23/2023] [Indexed: 02/11/2023] Open
Affiliation(s)
- Jennifer Edelmann
- ClinSciNet - The Clinician Scientist Network, Münsingen, Germany,*Correspondence: Jennifer Edelmann,
| | - Jitka Malcikova
- Department of Internal Medicine – Hematology and Oncology, University Hospital Brno, Masaryk University, Brno, Czechia,Center of Molecular Medicine, Central European Institute of Technology, Masaryk University, Brno, Czechia
| | - John C. Riches
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom,Department of Haemato-Oncology, Barts Health NHS Trust, St. Bartholomew’s Hospital, London, United Kingdom
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Lutz C, Feiten S, Chakupurakal G, Heymanns J, Thomalla J, van Roye C, Weide R. Patients with indolent lymphomas are at high risk of infections: experience from a German outpatient clinic. BMC Immunol 2023; 24:2. [PMID: 36631764 PMCID: PMC9833869 DOI: 10.1186/s12865-022-00536-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 12/23/2022] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Patients with indolent B-cell non-Hodgkin lymphomas (B-NHLs) have an increased risk of infections which is caused by pathomechanisms of the diseases itself but also as a result of anti-tumor therapy. Especially the effects of anti-CD20 antibodies are well understood as these lead to decreased antibody production. Most studies regarding immunodeficiency in B-NHLs were conducted with multiple myeloma and chronic lymphocytic leukemia patients. As these studies not always represent the general population we collected and analyzed real world data from patients with indolent lymphomas and a control group (CG). RESULTS Patients with B-NHLs undergoing therapy or who were regularly monitored in a watch and wait approach had, over the time of one year, an increased rate of infections compared to the CG of 145 healthy volunteers (mean: 11.66 vs. 7.13 infections per 1000 days). Consistent with this finding B-NHL patients received more antibiotic treatment (mean: 11.17 vs. 6.27 days) and were more often hospitalized than persons from the CG (mean: 5.19 vs. 0.99 days per 1000 days). Lymphoma patients without immunodeficiency had a lower infection rate than patients with non-symptomatic and symptomatic immunodeficiency (mean: 10.91 vs. 12.07 and 12.36 per 1000 days). The number of infections differed statistically significant for the subgroups and CG (7.13 per 1000 days). Patients with symptomatic immunodeficiency were mostly treated with regular immunoglobulin substitutions and infection rates were comparable to those of patients with asymptomatic immunodeficiency. CONCLUSIONS Our data suggest the use of an approach with regular immune monitoring including the measurement of immunoglobulin levels and regular appointments for clinical assessment of all indolent lymphoma patients in order to identify patients with increased risk of infections. It also raises the question if patients with immunodeficiency should be treated more often with regular immunoglobulin substitution, but so far more studies are necessary to answer this question.
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Affiliation(s)
- Christoph Lutz
- Praxis für Hämatologie und Onkologie Koblenz, Neversstr. 5, 56068, Koblenz, Germany.
| | - Stefan Feiten
- grid.488965.eInstitut für Versorgungsforschung in der Onkologie, Koblenz, Germany
| | - Geothy Chakupurakal
- grid.477753.50000 0004 0560 2414Praxis für Hämatologie und Onkologie Koblenz, Neversstr. 5, 56068 Koblenz, Germany
| | - Jochen Heymanns
- grid.477753.50000 0004 0560 2414Praxis für Hämatologie und Onkologie Koblenz, Neversstr. 5, 56068 Koblenz, Germany
| | - Jörg Thomalla
- grid.477753.50000 0004 0560 2414Praxis für Hämatologie und Onkologie Koblenz, Neversstr. 5, 56068 Koblenz, Germany
| | - Christoph van Roye
- grid.477753.50000 0004 0560 2414Praxis für Hämatologie und Onkologie Koblenz, Neversstr. 5, 56068 Koblenz, Germany
| | - Rudolf Weide
- grid.477753.50000 0004 0560 2414Praxis für Hämatologie und Onkologie Koblenz, Neversstr. 5, 56068 Koblenz, Germany
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5
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The Current Treatment Landscape of Cutaneous Squamous Cell Carcinoma. Am J Clin Dermatol 2023; 24:25-40. [PMID: 36512176 DOI: 10.1007/s40257-022-00742-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/09/2022] [Indexed: 12/15/2022]
Abstract
Non-melanoma skin cancers (NMSCs) are the most common form of skin cancer worldwide. The global incidence of cutaneous squamous cell carcinoma (CSCC) is rising, with an estimated 2.4 million cases diagnosed in 2019. Chronic exposure to ultraviolet (UV) radiation is a major risk factor for developing CSCC. Most early-stage CSCCs are treated successfully with surgery or radiotherapy; however, locally advanced or metastatic disease can be associated with significant morbidity or mortality. Recently, the treatment paradigm for advanced CSCC has been revolutionised by the introduction of immunotherapy, which can achieve a response rate of approximately 50% with durable cancer control, and significant improvement in quality of life. With the regulatory approval of programmed death-1 (PD-1)-targeting drugs since 2018, immunotherapy is now recognised as the standard of care for first-line systemic therapy in advanced or metastatic CSCC.
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Noto A, Cassin R, Mattiello V, Bortolotti M, Reda G, Barcellini W. Should treatment of hypogammaglobulinemia with immunoglobulin replacement therapy (IgRT) become standard of care in patients with chronic lymphocytic leukemia? Front Immunol 2023; 14:1062376. [PMID: 37122737 PMCID: PMC10140292 DOI: 10.3389/fimmu.2023.1062376] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 03/13/2023] [Indexed: 05/02/2023] Open
Abstract
Hypogammaglobulinemia (HGG) is a frequent finding in patients with hematological malignancies, and is commonly described in chronic lymphocytic leukemia (CLL) before or after treatment. We reviewed published literature available online in the last thirty years through Medline search of indexed articles focusing on the main differences and advantages of the products now available on the market, namely intravenous Ig (IVIg) and subcutaneous Ig (SCIg) preparations. IgRT is effective and safe in the prophylaxis of infections in a selected group of patients with CLL and hypogammaglobulinemia and is therefore a valuable tool for clinicians in the everyday management of infectious risk. We encourage the use of SCIg formulations as they appear to have similar efficacy but better cost-effectiveness and tolerability.
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Affiliation(s)
- Alessandro Noto
- Hematology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Ramona Cassin
- Hematology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Veronica Mattiello
- Hematology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Marta Bortolotti
- Hematology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of Oncology and Hematology Oncology, Faculty of Medicine and Surgery, University of Milan, Milan, Italy
| | - Gianluigi Reda
- Hematology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
- *Correspondence: Gianluigi Reda,
| | - Wilma Barcellini
- Hematology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
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7
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Shah N, Mustafa SS, Vinh DC. Management of secondary immunodeficiency in hematological malignancies in the era of modern oncology. Crit Rev Oncol Hematol 2023; 181:103896. [PMID: 36528276 DOI: 10.1016/j.critrevonc.2022.103896] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 11/29/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022] Open
Abstract
Secondary immunodeficiency (SID) in patients with B-cell hematological malignancies is a common condition that presents with recurrent infection. SID is due to both the inherent immune defects due to the malignancy, as well as secondary to cancer therapies, many of which have B-cell depleting properties. The early diagnosis of SID and the optimization of intervention strategies are key to delivering the most effective cancer treatments and reducing infection-related morbidity and mortality. This review discusses current practice, recommendations, and challenges for SID diagnosis, based on the evaluation of clinical history and laboratory assessments, and the effectiveness of specific vaccines and immunoglobulin replacement therapy in reducing the frequency and recurrence of infections in patients with SID, and the healthcare system-associated costs.
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Affiliation(s)
- Nina Shah
- Department of Medicine, University of California San Francisco, San Francisco, CA, United States.
| | - S Shahzad Mustafa
- Rochester Regional Health, Rochester, NY, United States; Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Donald C Vinh
- Department of Medicine, McGill University Health Centre, Montreal, Canada
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8
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Uaprasert N, Pitakkitnukun P, Tangcheewinsirikul N, Chiasakul T, Rojnuckarin P. Immunogenicity and risks associated with impaired immune responses following SARS-CoV-2 vaccination and booster in hematologic malignancy patients: an updated meta-analysis. Blood Cancer J 2022; 12:173. [PMID: 36550105 PMCID: PMC9780106 DOI: 10.1038/s41408-022-00776-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
Patients with hematologic malignancies (HM) have demonstrated impaired immune responses following SARS-CoV-2 vaccination. Factors associated with poor immunogenicity remain largely undetermined. A literature search was conducted using PubMed, EMBASE, Cochrane, and medRxiv databases to identify studies that reported humoral or cellular immune responses (CIR) following complete SARS-CoV-2 vaccination. The primary aim was to estimate the seroconversion rate (SR) following complete SARS-CoV-2 vaccination across various subtypes of HM diseases and treatments. The secondary aims were to determine the rates of development of neutralizing antibodies (NAb) and CIR following complete vaccination and SR following booster doses. A total of 170 studies were included for qualitative and quantitative analysis of primary and secondary outcomes. A meta-analysis of 150 studies including 20,922 HM patients revealed a pooled SR following SARS-CoV-2 vaccination of 67.7% (95% confidence interval [CI], 64.8-70.4%; I2 = 94%). Meta-regression analysis showed that patients with lymphoid malignancies, but not myeloid malignancies, had lower seroconversion rates than those with solid cancers (R2 = 0.52, P < 0.0001). Patients receiving chimeric antigen receptor T-cells (CART), B-cell targeted therapies or JAK inhibitors were associated with poor seroconversion (R2 = 0.39, P < 0.0001). The pooled NAb and CIR rates were 52.8% (95% CI; 45.8-59.7%, I2 = 87%) and 66.6% (95% CI, 57.1-74.9%; I2 = 86%), respectively. Approximately 20.9% (95% CI, 11.4-35.1%, I2 = 90%) of HM patients failed to elicit humoral and cellular immunity. Among non-seroconverted patients after primary vaccination, only 40.5% (95% CI, 33.0-48.4%; I2 = 87%) mounted seroconversion after the booster. In conclusion, HM patients, especially those with lymphoid malignancies and/or receiving CART, B-cell targeted therapies, or JAK inhibitors, showed poor SR after SARS-CoV-2 vaccination. A minority of patients attained seroconversion after booster vaccination. Strategies to improve immune response in these severely immunosuppressed patients are needed.
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Affiliation(s)
- Noppacharn Uaprasert
- Division of Hematology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand.
- Center of Excellence in Translational Hematology, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand.
| | - Palada Pitakkitnukun
- Division of Hematology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Nuanrat Tangcheewinsirikul
- Division of Hematology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand
- Center of Excellence in Translational Hematology, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Thita Chiasakul
- Division of Hematology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand
- Center of Excellence in Translational Hematology, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Ponlapat Rojnuckarin
- Division of Hematology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand
- Center of Excellence in Translational Hematology, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand
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9
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Rozovski U, Veletic I, Harris DM, Li P, Liu Z, Jain P, Manshouri T, Ferrajoli A, Burger JA, Bose P, Thompson PA, Jain N, Wierda WG, Verstovsek S, Keating MJ, Estrov Z. STAT3 Activates the Pentraxin 3 Gene in Chronic Lymphocytic Leukemia Cells. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 208:2847-2855. [PMID: 35595309 DOI: 10.4049/jimmunol.2101105] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 04/03/2022] [Indexed: 01/13/2023]
Abstract
Pentraxin-related protein 3 (PTX3), commonly produced by myeloid and endothelial cells, is a humoral pattern recognition protein of the innate immune system. Because PTX3 plasma levels of patients with chronic lymphocytic leukemia (CLL) are high and most circulating cells in patients with CLL are CLL cells, we reasoned that CLL cells produce PTX3. Western immunoblotting revealed that low-density cells from seven of seven patients with CLL produce high levels of PTX3, flow cytometry analysis revealed that the PTX3-producing cells are B lymphocytes coexpressing CD19 and CD5, and confocal microscopy showed that PTX3 is present in the cytoplasm of CLL cells. Because STAT3 is constitutively activated in CLL cells, and because we identified putative STAT3 binding sites within the PTX3 gene promoter, we postulated that phosphorylated STAT3 triggers transcriptional activation of PTX3. Immunoprecipitation analysis of CLL cells' chromatin fragments showed that STAT3 Abs precipitated PTX3 DNA. STAT3 knockdown induced a marked reduction in PTX3 expression, indicating a STAT3-induced transcriptional activation of the PTX3 gene in CLL cells. Using an EMSA, we established and used a dual-reporter luciferase assay to confirm that STAT3 binds the PTX3 gene promoter. Downregulation of PTX3 enhanced apoptosis of CLL cells, suggesting that inhibition of PTX3 might benefit patients with CLL.
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Affiliation(s)
- Uri Rozovski
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX.,Division of Hematology, Davidoff Cancer Center, Rabin Medical Center, Petah Tikva, Israel; and.,The Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ivo Veletic
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - David M Harris
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Ping Li
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Zhiming Liu
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Preetesh Jain
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Taghi Manshouri
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Alessandra Ferrajoli
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Jan A Burger
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Prithviraj Bose
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Phillip A Thompson
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Nitin Jain
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - William G Wierda
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Srdan Verstovsek
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Michael J Keating
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Zeev Estrov
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX;
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10
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Zhang J, Luo J, Weng X, Zhu Y, Goyal G, Perna F, Espinoza-Gutarra M, Jiang L, Chen L, Mi JQ. A case report of the metagenomics next-generation sequencing for early detection of central nervous system mucormycosis with successful rescue in patient with recurrent chronic lymphocytic leukemia. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:722. [PMID: 35845522 PMCID: PMC9279813 DOI: 10.21037/atm-22-2533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 06/20/2022] [Indexed: 11/06/2022]
Abstract
Background Central nervous system (CNS) mucormycosis is insidious and difficult to diagnose. It progresses rapidly and causes high mortality. Rare cases have been reported during ibrutinib use, which have poor prognosis. Through this case, we share the experience of successful diagnosis and treatment. We also emphasize the importance of focusing on high-risk groups, early diagnosis and prompt management. Case Description In this case, a 52-year-old patient was diagnosed with chronic lymphocytic leukemia (CLL) for more than 5 years. He was in remission after rituximab plus fludarabine and cyclophosphamide (RFC) regimen, and relapsed in the fourth year. During the ibrutinib monotherapy, the patient presented with sudden headache. Cranial imaging examination revealed a definite right occipitoparietal lobe mass with extensive edema. A rapid diagnosis of mucormycosis infection was made using metagenomic next-generation sequencing (mNGS). The patient at that time didn't have neutropenia, but he had hypogammaglobulinemia. The infection was treated with amphotericin B cholesteryl sulfate complex, posaconazole, and interventional surgery, and the treatment was successful. At the same time, we considered the control of disease progression in this relapsed patient with, as well as to the drug interaction with posaconazole. We chose the next generation Bruton's tyrosine kinase (BTK) inhibitor zanubrutinib as the treatment, whose safety has been identified. As of the submission date, the patient has been followed up for nearly 1 year, and his disease is stable. Conclusions When new clinical problems arise in recurrent CLL patients, it is important to identify multiple factors, especially the insidious fungal infections. In particular, the immunocompromised patients should be concerned. CNS mucormycosis is extremely deadly, the early diagnosis will improve the prognosis. In clinical practice, the gold standard diagnosis of mucormycosis is difficult to obtain through pathology. In this case, mNGS was applied to quickly diagnose mucormycosis, enabling earlier treatment and ameliorating the prognosis. Thus, it will help us to early detect this group of people who may be potentially infected. Current guidelines do not recommend the prophylactic use of antifungal agents in treated CLL patients. However, in patients with prior severe infection or hypogammaglobulinemia, intravenous immunoglobulin is recommended to reduce the associated infection rate.
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Affiliation(s)
- Jiaojiao Zhang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jing Luo
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiangqin Weng
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yongmei Zhu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Gaurav Goyal
- Division of Hematology and Oncology, University of Alabama at Birmingham (UAB), Birmingham, Alabama, USA
| | - Fabiana Perna
- Division of Hematology/Oncology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Manuel Espinoza-Gutarra
- Division of Hematology/Oncology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Lu Jiang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Chen
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jian-Qing Mi
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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11
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Keegan A, Dennington PM, Dhondy N, Mulligan SP. Immunoglobulin replacement therapy in chronic lymphocytic leukaemia patients with hypogammaglobulinaemia and infection. Eur J Haematol 2022; 108:460-468. [PMID: 35152500 DOI: 10.1111/ejh.13754] [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: 12/27/2021] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To analyse total national utilisation of immunoglobulin (Ig) replacement therapy (IgRT) for Chronic Lymphocytic Leukaemia patients with acquired hypogammaglobulinaemia and severe and/or recurrent bacterial infections. METHODS In 2007, the National Blood Authority first published Criteria for the clinical use of intravenous immunoglobulin in Australia. The Australian Red Cross Lifeblood assessed, approved, and recorded all supply with patient demographics, distribution data, intravenous Ig (IVIg) volumes and treatment episodes. IVIg was the sole product used in Australia from 2008-2013 inclusive. RESULTS From 2008 to 2013 across Australia, 2734 individual CLL patients received 48,870 treatment episodes using a total 1,324,926 g of IVIg therapy. Six IVIg products were available, with domestically manufactured Intragam® P accounting for 89.7% of supply. The average age for first dose was 74 years. Males received 60.6% of the total treatment episodes representing 20% more than females. The average pre-treatment IgG level was 4.03 ± 2.03 g/L (range 0.30-10.50 g/L). A sustained average annual increased IVIg utilisation of 5.5% was observed. There was significant regional variation consistent with differences in prescriber preferences across states and territories. CONCLUSION This study provides a globally unique insight into IgRT supply and demand in CLL patients by analysis of total national use in Australia over a 6-year period.
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Affiliation(s)
- Anastazia Keegan
- Australian Red Cross Lifeblood, Perth, Western Australia, Australia
| | - Peta M Dennington
- Australian Red Cross Lifeblood, Alexandria, Sydney, New South Wales, Australia
| | - Nina Dhondy
- Australian Red Cross Lifeblood, Alexandria, Sydney, New South Wales, Australia.,Department of Haematology, Laverty Pathology, Sydney, New South Wales, Australia
| | - Stephen P Mulligan
- Department of Haematology, Laverty Pathology, Sydney, New South Wales, Australia.,Department of Haematology, Royal North Shore Hospital, Sydney, New South Wales, Australia
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12
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Arzoun H, Srinivasan M, Sandoval S, Lee B. A Systematic Review on the Prevention and Control of Opportunistic Infections in Patients With Chronic Lymphocytic Leukemia Complicated by Richter's Transformation. Cureus 2022; 14:e22927. [PMID: 35281586 PMCID: PMC8904033 DOI: 10.7759/cureus.22927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/07/2022] [Indexed: 11/30/2022] Open
Abstract
Chronic lymphocytic leukemia (CLL) is one of the most commonly occurring types of leukemia among the elderly population, contributing to an increased vulnerability to infections that are especially prolific in the immunosuppressed and the risk of rapid progression of the disease into a more aggressive manifestation of large cell lymphoma, a process called Richter's Transformation (RT). CLL alone predisposes patients to develop infections; however, the additional complication of RT decreases survival and makes the prevention and control of infection for the CLL patient even more challenging. However, research that exists on preventing and controlling infection in CLL patients with RT is relatively limited. In most cases, studies have focused on the prevention of infection in CLL patients in general and with no reference to the progression of RT. Considering the dearth of research on infection prevention and control for patients with CLL complicated by RT specifically, the following review examines existing research in addressing the prevention and control of infection in CLL patients with RT and patients in general. The authors explored multiple databases such as PubMed, Google Scholar, and Science Direct. The ultimate focus of this study was to lay a fundamental understanding in preventing and controlling infection in CLL patients. After analyzing several studies, it can be concluded that identifying infections, even if rare, is a crucial aspect of managing CLL patients. A broad range of differential diagnoses should be sought in cases presenting with refractory CLL as well and management of infections before, during, or after CLL treatment should be considered.
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Affiliation(s)
- Hadia Arzoun
- Internal Medicine, St. Bernard's Medical Center, Jonesboro, USA
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Mirra Srinivasan
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | | | - Bridget Lee
- Internal Medicine, St. Bernard's Medical Center, Jonesboro, USA
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13
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Palma M, Mulder TA, Österborg A. BTK Inhibitors in Chronic Lymphocytic Leukemia: Biological Activity and Immune Effects. Front Immunol 2021; 12:686768. [PMID: 34276674 PMCID: PMC8282344 DOI: 10.3389/fimmu.2021.686768] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 06/16/2021] [Indexed: 01/15/2023] Open
Abstract
Bruton´s tyrosine kinase (BTK) inhibitor (BTKi)s block the B-cell receptor (BCR) signaling cascade by binding to the BTK enzyme preventing the proliferation and survival of malignant and normal B cells. During the past decade, the clinical use of BTKis for the treatment of B-cell malignancies has exponentially grown, changing the treatment landscape for chronic lymphocytic leukemia (CLL) in particular. At present, three different covalent BTKis, ibrutinib, acalabrutinib and zanubrutinib, are FDA-approved and many new inhibitors are under development. Despite having remarkable selectivity for BTK, the first-in-class BTKi ibrutinib can also bind, with various affinities, to other kinases. The combined inhibition of BTK (“on-target” effect) and other kinases (“off-target” effect) can have additive or synergistic anti-tumor effects but also induce undesired side effects which might be treatment-limiting. Such “off-target” effects are expected to be more limited for second-generation BTKis. Moreover, the blockade of BCR signaling also indirectly affects the tumor microenvironment in CLL. Treatment with BTKis potentially impacts on both innate and adaptive immunity. Whether this affects infection susceptibility and vaccination efficacy requires further investigation. Here, we summarize the available knowledge on the impact of BTKis on the immune system and discuss the possible clinical implications. Indeed, a deeper knowledge on this topic could guide clinicians in the management and prevention of infections in patients with CLL treated with BTKis.
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Affiliation(s)
- Marzia Palma
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.,Department of Hematology, Karolinska University Hospital, Stockholm, Sweden
| | - Tom A Mulder
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Anders Österborg
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.,Department of Hematology, Karolinska University Hospital, Stockholm, Sweden
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14
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Parigger T, Gassner FJ, Scherhäufl C, Bakar AA, Höpner JP, Hödlmoser A, Steiner M, Catakovic K, Geisberger R, Greil R, Zaborsky N. Evidence for Non-Cancer-Specific T Cell Exhaustion in the Tcl1 Mouse Model for Chronic Lymphocytic Leukemia. Int J Mol Sci 2021; 22:ijms22136648. [PMID: 34206229 PMCID: PMC8268419 DOI: 10.3390/ijms22136648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/17/2021] [Accepted: 06/18/2021] [Indexed: 11/16/2022] Open
Abstract
The reinvigoration of anti-cancer immunity by immune checkpoint therapies has greatly improved cancer treatment. In chronic lymphocytic leukemia (CLL), patients as well as in the Tcl1 mouse model for CLL, PD1-expressing, exhausted T cells significantly expand alongside CLL development; nevertheless, PD1 inhibition has no clinical benefit. Hence, exhausted T cells are either not activatable by simple PD1 blocking in CLL and/or only an insufficient number of exhausted T cells are CLL-specific. In this study, we examined the latter hypothesis by exploiting the Tcl1 transgenic CLL mouse model in combination with TCR transgene expression specific for a non-cancer antigen. Following CLL tumor development, increased PD1 levels were detected on non-CLL specific T cells that seem dependent on the presence of (tumor-) antigen-specific T cells. Transcriptome analysis confirmed a similar exhaustion phenotype of non-CLL specific and endogenous PD1pos T cells. Our results indicate that in the CLL mouse model, a substantial fraction of non-CLL specific T cells becomes exhausted during disease progression in a bystander effect. These findings have important implications for the general efficacy assessment of immune checkpoint therapies in CLL.
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Affiliation(s)
- Thomas Parigger
- Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute—Laboratory for Immunological and Molecular Cancer Research (LIMCR), Paracelsus Medical University, 5020 Salzburg, Austria; (T.P.); (F.J.G.); (C.S.); (A.A.B.); (J.P.H.); (A.H.); (M.S.); (K.C.); (R.G.)
- Department of Biosciences, Paris-Lodron-University Salzburg, 5020 Salzburg, Austria
| | - Franz Josef Gassner
- Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute—Laboratory for Immunological and Molecular Cancer Research (LIMCR), Paracelsus Medical University, 5020 Salzburg, Austria; (T.P.); (F.J.G.); (C.S.); (A.A.B.); (J.P.H.); (A.H.); (M.S.); (K.C.); (R.G.)
| | - Christian Scherhäufl
- Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute—Laboratory for Immunological and Molecular Cancer Research (LIMCR), Paracelsus Medical University, 5020 Salzburg, Austria; (T.P.); (F.J.G.); (C.S.); (A.A.B.); (J.P.H.); (A.H.); (M.S.); (K.C.); (R.G.)
- Department of Biosciences, Paris-Lodron-University Salzburg, 5020 Salzburg, Austria
| | - Aryunni Abu Bakar
- Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute—Laboratory for Immunological and Molecular Cancer Research (LIMCR), Paracelsus Medical University, 5020 Salzburg, Austria; (T.P.); (F.J.G.); (C.S.); (A.A.B.); (J.P.H.); (A.H.); (M.S.); (K.C.); (R.G.)
- Department of Biosciences, Paris-Lodron-University Salzburg, 5020 Salzburg, Austria
| | - Jan Philip Höpner
- Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute—Laboratory for Immunological and Molecular Cancer Research (LIMCR), Paracelsus Medical University, 5020 Salzburg, Austria; (T.P.); (F.J.G.); (C.S.); (A.A.B.); (J.P.H.); (A.H.); (M.S.); (K.C.); (R.G.)
- Department of Biosciences, Paris-Lodron-University Salzburg, 5020 Salzburg, Austria
| | - Alexandra Hödlmoser
- Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute—Laboratory for Immunological and Molecular Cancer Research (LIMCR), Paracelsus Medical University, 5020 Salzburg, Austria; (T.P.); (F.J.G.); (C.S.); (A.A.B.); (J.P.H.); (A.H.); (M.S.); (K.C.); (R.G.)
| | - Markus Steiner
- Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute—Laboratory for Immunological and Molecular Cancer Research (LIMCR), Paracelsus Medical University, 5020 Salzburg, Austria; (T.P.); (F.J.G.); (C.S.); (A.A.B.); (J.P.H.); (A.H.); (M.S.); (K.C.); (R.G.)
| | - Kemal Catakovic
- Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute—Laboratory for Immunological and Molecular Cancer Research (LIMCR), Paracelsus Medical University, 5020 Salzburg, Austria; (T.P.); (F.J.G.); (C.S.); (A.A.B.); (J.P.H.); (A.H.); (M.S.); (K.C.); (R.G.)
| | - Roland Geisberger
- Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute—Laboratory for Immunological and Molecular Cancer Research (LIMCR), Paracelsus Medical University, 5020 Salzburg, Austria; (T.P.); (F.J.G.); (C.S.); (A.A.B.); (J.P.H.); (A.H.); (M.S.); (K.C.); (R.G.)
- Correspondence: (R.G.); (N.Z.)
| | - Richard Greil
- Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute—Laboratory for Immunological and Molecular Cancer Research (LIMCR), Paracelsus Medical University, 5020 Salzburg, Austria; (T.P.); (F.J.G.); (C.S.); (A.A.B.); (J.P.H.); (A.H.); (M.S.); (K.C.); (R.G.)
| | - Nadja Zaborsky
- Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute—Laboratory for Immunological and Molecular Cancer Research (LIMCR), Paracelsus Medical University, 5020 Salzburg, Austria; (T.P.); (F.J.G.); (C.S.); (A.A.B.); (J.P.H.); (A.H.); (M.S.); (K.C.); (R.G.)
- Correspondence: (R.G.); (N.Z.)
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15
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Proteomic and bioinformatic profiling of neutrophils in CLL reveals functional defects that predispose to bacterial infections. Blood Adv 2021; 5:1259-1272. [PMID: 33651101 DOI: 10.1182/bloodadvances.2020002949] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 01/19/2021] [Indexed: 12/15/2022] Open
Abstract
Patients with chronic lymphocytic leukemia (CLL) typically suffer from frequent and severe bacterial infections. Although it is well known that neutrophils are critical innate immune cells facilitating the early defense, the underlying phenotypical and functional changes in neutrophils during CLL remain largely elusive. Using a murine adoptive transfer model of CLL, we demonstrate aggravated bacterial burden in CLL-bearing mice upon a urinary tract infection with uropathogenic Escherichia coli. Bioinformatic analyses of the neutrophil proteome revealed increased expression of proteins associated with interferon signaling and decreased protein expression associated with granule composition and neutrophil migration. Functional experiments validated these findings by showing reduced levels of myeloperoxidase and acidification of neutrophil granules after ex vivo phagocytosis of bacteria. Pathway enrichment analysis indicated decreased expression of molecules critical for neutrophil recruitment, and migration of neutrophils into the infected urinary bladder was significantly reduced. These altered migratory properties of neutrophils were also associated with reduced expression of CD62L and CXCR4 and correlated with an increased incidence of infections in patients with CLL. In conclusion, this study describes a molecular signature of neutrophils through proteomic, bioinformatic, and functional analyses that are linked to a reduced migratory ability, potentially leading to increased bacterial infections in patients with CLL.
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16
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Grywalska E, Zaborek M, Łyczba J, Hrynkiewicz R, Bębnowska D, Becht R, Sosnowska-Pasiarska B, Smok-Kalwat J, Pasiarski M, Góźdź S, Roliński J, Niedźwiedzka-Rystwej P. Chronic Lymphocytic Leukemia-Induced Humoral Immunosuppression: A Systematic Review. Cells 2020; 9:E2398. [PMID: 33147729 PMCID: PMC7693361 DOI: 10.3390/cells9112398] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/30/2020] [Accepted: 11/01/2020] [Indexed: 12/22/2022] Open
Abstract
Secondary immunodeficiency is observed in all patients with chronic lymphocytic leukemia (CLL) in varying degrees. The aim of the study was to review the available literature data on patients with CLL, with particular regard to the pathogenesis of the disease and the impact of humoral immunity deficiency on the clinical and therapeutic approach. A systematic literature review was carried out by two independent authors who searched PubMed databases for studies published up to January 2020. Additionally, Google Scholar was used to evaluate search results and support manual research. The search resulted in 240 articles eligible for analysis. After all criteria and filters were applied, 22 studies were finally applied to the analysis. The data analysis showed that the clinical heterogeneity of CLL patients correlates with the diversity of molecular abnormalities determining the clinical picture of the disease, the analysis of which enables setting therapeutic targets. Additionally, in improving the therapeutic method, it is worth introducing supportive therapies with the use of vaccines, antibiotics and/or immunoglobins. Moreover, humoral immunodeficiency in CLL has a strong influence on the risk of infection in patients for whom infections are a major cause of morbidity and mortality.
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Affiliation(s)
- Ewelina Grywalska
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, 20-093 Lublin, Poland; (E.G.); (M.Z.); (J.Ł.); (J.R.)
| | - Monika Zaborek
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, 20-093 Lublin, Poland; (E.G.); (M.Z.); (J.Ł.); (J.R.)
| | - Jakub Łyczba
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, 20-093 Lublin, Poland; (E.G.); (M.Z.); (J.Ł.); (J.R.)
| | - Rafał Hrynkiewicz
- Institute of Biology, University of Szczecin, Felczaka 3c, 71-412 Szczecin, Poland; (R.H.); (D.B.)
| | - Dominika Bębnowska
- Institute of Biology, University of Szczecin, Felczaka 3c, 71-412 Szczecin, Poland; (R.H.); (D.B.)
| | - Rafał Becht
- Clinical Department of Oncology, Chemotherapy and Cancer Immunotherapy, Pomeranian Medical University of Szczecin, Unii Lubelskiej 1, 71-252 Szczecin, Poland;
| | | | - Jolanta Smok-Kalwat
- Department of Clinical Oncology, Holy Cross Cancer Centre, 25-734 Kielce, Poland; (J.S.-K.); (S.G.)
| | - Marcin Pasiarski
- Department of Immunology, Faculty of Health Sciences, Jan Kochanowski University, 25-317 Kielce, Poland;
- Department of Hematology, Holy Cross Cancer Centre, 25-734 Kielce, Poland
| | - Stanisław Góźdź
- Department of Clinical Oncology, Holy Cross Cancer Centre, 25-734 Kielce, Poland; (J.S.-K.); (S.G.)
- Faculty of Medicine and Health Sciences, The Jan Kochanowski University, 25-516 Kielce, Poland
| | - Jacek Roliński
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, 20-093 Lublin, Poland; (E.G.); (M.Z.); (J.Ł.); (J.R.)
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17
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Varkey MR, Ali J, Lapinel NC. The chicken and the egg dilemma: A case of disseminated MAC with Hodgkin's lymphoma. Respir Med Case Rep 2020; 31:101253. [PMID: 33117648 PMCID: PMC7582096 DOI: 10.1016/j.rmcr.2020.101253] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 10/07/2020] [Indexed: 11/19/2022] Open
Abstract
Introduction Mycobacterium avium complex (MAC) as a cause of disseminated disease has been well described in immunocompromised hosts. We report a case of disseminated MAC diagnosed in an otherwise healthy patient, one year before further testing and follow-up revealed a diagnosis of Hodgkin's lymphoma. Case presentation A 48-year-old woman with no significant medical history presented with new-onset fever, chills and night sweats. Chest imaging revealed large conglomerate mediastinal lymph nodes (LN). Endobronchial ultrasound-guided biopsy demonstrated caseating granulomatous inflammation and MAC on broth culture. She was started on guideline-based antibiotic therapy for disseminated MAC but showed no improvement after 6 months. An open mediastinal biopsy confirmed the findings of non-caseating granuloma. However, due to continued symptoms and widespread lymphadenopathy on additional full body imaging, an iliac lymph node core biopsy was performed which revealed abnormal CD30+ lymphoid infiltrate consistent with Hodgkin's lymphoma (HL). She was started on steroids and chemotherapy, whilst maintained on MAC treatment. Discussion Disseminated MAC is largely limited to immunocompromised hosts, signs and symptoms of which may overlap with lymphoma. Our case demonstrated that multiple initial LN biopsies were unrevealing except for MAC. As no clinical improvement was observed with guideline based MAC treatment, further diagnostic measures were aggressively pursued ultimately leading to a diagnosis of HL. It is unclear whether disseminated MAC preceded lymphoma, an early undiagnosed lymphoma led to MAC infection or an undefined systemic immune disorder was causative for both these processes.
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Affiliation(s)
| | | | - Nicole C. Lapinel
- Corresponding author. LSU Pulmonary/Critical Care & Allergy Immunology, 1901 Perdido Street, Suite 3205, New Orleans, LA, 70112, USA.
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18
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Frei M, Aitken SL, Jain N, Thompson P, Wierda W, Kontoyiannis DP, DiPippo AJ. Incidence and characterization of fungal infections in chronic lymphocytic leukemia patients receiving ibrutinib. Leuk Lymphoma 2020; 61:2488-2491. [PMID: 32530347 DOI: 10.1080/10428194.2020.1775215] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 05/01/2020] [Accepted: 05/17/2020] [Indexed: 12/20/2022]
Affiliation(s)
- Michael Frei
- Division of Pharmacy, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Samuel L Aitken
- Division of Pharmacy, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Center for Antimicrobial Resistance and Microbial Genomics (CARMiG); UTHealth McGovern Medical School, Houston, TX, USA
| | - Nitin Jain
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Philip Thompson
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - William Wierda
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Dimitrios P Kontoyiannis
- Department of Infectious Diseases, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Adam J DiPippo
- Division of Pharmacy, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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19
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Thangavadivel S, Zhao Q, Epperla N, Rike L, Mo X, Badawi M, Bystry DM, Phelps MA, Andritsos LA, Rogers KA, Jones J, Woyach JA, Byrd JC, Awan FT. Early Intervention with Lenalidomide in Patients with High-risk Chronic Lymphocytic Leukemia. Clin Cancer Res 2020; 26:6187-6195. [PMID: 32958702 DOI: 10.1158/1078-0432.ccr-20-1280] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/24/2020] [Accepted: 09/16/2020] [Indexed: 11/16/2022]
Abstract
PURPOSE Infectious complications constitute a leading cause of morbidity and mortality in chronic lymphocytic leukemia (CLL). Patients respond poorly to vaccines, particularly pneumococcal polysaccharide and influenza vaccines. In addition, patients with genetically high-risk disease are at increased risk for early disease progression and death. Lenalidomide, an oral immunomodulatory agent with demonstrated clinical activity in CLL, can potentially restore immune system dysfunction associated with CLL while improving disease outcomes. PATIENTS AND METHODS Phase II study randomized 49 patients with genetically high-risk CLL or small lymphocytic lymphoma [SLL; defined as unmutated Ig heavy chain variable region, deletion(17p) or (11q), and/or complex abnormal karyotype], to receive lenalidomide either concurrent (arm A) or sequential to (arm B) two doses of 13-valent protein-conjugated pneumococcal vaccine (PCV13) administered 2 months apart, in patients not meeting International Workshop on Chronic Lymphocytic Leukemia treatment criteria. RESULTS Four serotypes (3, 4, 5, 6B) achieved the additional seroprotection definition of a fourfold increase in arm A, and six serotypes (3, 4, 5, 6B, 19A, 19F) in arm B. All patients achieved the defined concentration of 0.35 μg/mL for at least one serotype tested. No significant difference was observed with the addition of lenalidomide. At median time on treatment of 3.6 years, median progression-free survival (PFS) was 5.8 years [95% confidence interval (CI), 3.1-not reached]. PFS at 1, 2, and 3 years was 85% (95% CI, 72-93), 79% (95% CI, 64-88), and 72% (95% CI, 57-83), respectively. CONCLUSIONS Lenalidomide is efficacious with manageable toxicities as an early intervention strategy in patients with high-risk CLL, but did not enhance humoral response to PCV13 vaccine.
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Affiliation(s)
| | - Qiuhong Zhao
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio
| | - Narendranath Epperla
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio
| | - Lindsey Rike
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio
| | - Xiaokui Mo
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio
| | - Mohamed Badawi
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio.,College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Darlene M Bystry
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio.,College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Mitch A Phelps
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio.,College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Leslie A Andritsos
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio
| | - Kerry A Rogers
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio
| | - Jeffrey Jones
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio
| | - Jennifer A Woyach
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio
| | - John C Byrd
- Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio.
| | - Farrukh T Awan
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, Texas.
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20
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Basco SA, Steele GM, Henao-Martínez AF, Franco-Paredes C, Chastain DB. Unexpected etiology of a pleural empyema in a patient with chronic lymphocytic leukemia (CLL): Capnocytophaga ochracea. IDCases 2020; 20:e00747. [PMID: 32300526 PMCID: PMC7152719 DOI: 10.1016/j.idcr.2020.e00747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 03/16/2020] [Accepted: 03/16/2020] [Indexed: 11/26/2022] Open
Abstract
Pleural effusions and empyemas caused by Capnocytophaga spp. are uncommon with few cases previously reported. Here, we present the case of a 62-year-old man with untreated chronic lymphocytic leukemia (CLL) complicated by a pleural empyema caused by C. ochracea. The route of acquisition was likely the result of aspiration of C. ochracea coupled with the immune defects associated with untreated CLL.
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21
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Tadmor T, Braester A, Najib D, Aviv A, Herishanu Y, Yuklea M, Shvidel L, Rahimi-Levene N, Ruchlemer R, Arad A, Fogl C, Henig C, Barak M, Magal L, Polliack A, Townsend K. A new risk model to predict time to first treatment in chronic lymphocytic leukemia based on heavy chain immunoparesis and summated free light chain. Eur J Haematol 2019; 103:335-341. [PMID: 31278876 DOI: 10.1111/ejh.13288] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 05/16/2019] [Accepted: 05/20/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND Chronic lymphocytic leukemia (CLL) is frequently accompanied by immune dysregulation. AIMS In this multicenter prospective study, we investigated whether heavy + light chains (HLC: IgGκ, IgGλ, IgAκ, IgAκ, IgMκ, IgMλ) and IgG subclasses (IgG1, IgG2, IgG3, and IgG4) could be used as novel prognostic markers of immunoparesis in 105 treatment-naïve patients with CLL. RESULTS Heavy + light chains immunoparesis of ≥1, ≥2, and ≥3 isotypes was evident in 74 (70%), 58 (55%), and 36 (34%) patients, respectively. Severe HLC immunoparesis was identified in 40 (38%) patients. Of the IgG subclasses, IgG1 and IgG2 were most frequently suppressed, affecting 46 (44%) and 36 (34%) patients, respectively; 63 (60%) patients had low levels of at least one IgG subclass. In multivariate analysis, severe HLC immunoparesis (hazard ratio [HR]: 36.5; P = .010) and ΣFLC ≥ 70 mg/L (HR: 13.2; P = .004) were the only factors independently associated with time to first treatment (TTFT). A risk model including these variables identified patients with 0, 1, and 2 risk factors and significantly different TTFT (P < .001). Patients with two factors represented an ultra-high-risk group with a median TTFT of only 1.3 months. CONCLUSION The above findings demonstrate the potential for the use of HLC immunoparesis, together with sFLC measurements, as future prognostic biomarkers in CLL.
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Affiliation(s)
- Tamar Tadmor
- Bnai Zion Medical Center, Haifa, Israel.,The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel
| | - Andrei Braester
- Western Galilee Hospital, Nahariya, Israel.,Bar Ilan University, Ramat Gan, Israel
| | | | | | - Yair Herishanu
- Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel.,Tel-Aviv University, Tel Aviv, Israel
| | | | | | | | | | - Ariela Arad
- Department of Hematology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | | | - Clara Henig
- Haifa and Western Galilee Laboratory, Nesher, Israel
| | - Mira Barak
- Haifa and Western Galilee Laboratory, Nesher, Israel
| | - Lee Magal
- Almog Diagnostic, Park Shoham, Israel
| | - Aaron Polliack
- Department of Hematology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
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22
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Do P, Beckwith KA, Cheney C, Tran M, Beaver L, Griffin BG, Mo X, Liu Y, Lapalombella R, Hertlein E, Muthusamy N, Byrd JC. Leukemic B Cell CTLA-4 Suppresses Costimulation of T Cells. THE JOURNAL OF IMMUNOLOGY 2019; 202:2806-2816. [PMID: 30910862 DOI: 10.4049/jimmunol.1801359] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 02/21/2019] [Indexed: 01/24/2023]
Abstract
The clinical benefit of CTLA-4 blockade on T cells is known, yet the impact of its expression on cancer cells remains unaddressed. We define an immunosuppressive role for tumor-expressed CTLA-4 using chronic lymphocytic leukemia (CLL) as a disease model. CLL cells, among other cancer cells, are CTLA-4+ Coculture with activated human T cells induced surface CTLA-4 on primary human CLL B cells. CTLA-4 on CLL-derived human cell lines decreased CD80 expression on cocultured CD80+ cells, with restoration upon CTLA-4 blockade. Coculture of CTLA-4+ CLL cells with CD80-GFP+ cell lines revealed transfer of CD80-GFP into CLL tumor cells, similar to CTLA-4+ T cells able to trans-endocytose CD80. Coculture of T cells with CTLA-4+ CLL cells decreased IL-2 production. Using a human CTLA-4 knock-in mouse lacking FcγR function, antitumor efficacy was observed by blocking murine CTLA-4 on tumor cells in isolation of the T cell effect and Fc-mediated depletion. These data implicate tumor CTLA-4 in cancer cell-mediated immunosuppression in vitro and as having a functional role in tumor cells in vivo.
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Affiliation(s)
- Priscilla Do
- Biomedical Sciences Graduate Program, The Ohio State University, Columbus, OH 43210
| | - Kyle A Beckwith
- Biomedical Sciences Graduate Program, The Ohio State University, Columbus, OH 43210
| | - Carolyn Cheney
- Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210
| | - Minh Tran
- Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210
| | - Larry Beaver
- Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210
| | | | - Xiaokui Mo
- Center for Biostatistics, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210; and
| | - Yang Liu
- Children's National Health System, Washington, DC 20010
| | - Rosa Lapalombella
- Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210
| | - Erin Hertlein
- Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210
| | - Natarajan Muthusamy
- Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210;
| | - John C Byrd
- Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210;
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Dioverti MV, Parikh SA, Osmon DR, Habermann TM, Tande AJ. Cryptococcus neoformans infections in patients with lymphoproliferative neoplasms. Leuk Lymphoma 2018; 60:920-926. [PMID: 30188226 DOI: 10.1080/10428194.2018.1508666] [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] [Indexed: 10/28/2022]
Abstract
Cryptococcosis is a rare opportunistic infection increasingly associated with lymphoproliferative disorders. The clinical course and outcomes in these patients have not been extensively studied. We retrospectively reviewed charts of adult patients with lymphoproliferative disorders diagnosed with cryptococcal infections. A total of 34 patients were identified; 31 (91%) had a B-cell neoplasm and 3 (9%) had a T-cell neoplasm. The most frequent clinical syndrome was disseminated cryptococcal infection (38%), followed by pneumonia (29%). 74% received prior chemotherapy and the overall mortality in this group was nearly six-fold higher than chemotherapy naïve patients; 26% were chemotherapy naïve. After a median follow-up of nine months from the date of infection, 24 patients had died (71%). The overall mortality at 30-days and one year was 18% and 46%, respectively. The high mortality warrants future studies to identify those at highest risk. Clinicians should remain vigilant as early diagnosis and treatment are of utmost importance.
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Affiliation(s)
- Maria V Dioverti
- a Division of Infectious Diseases , Mayo Clinic , Rochester , MN , USA
| | - Sameer A Parikh
- b Division of Hematology , Mayo Clinic , Rochester , MN , USA
| | - Douglas R Osmon
- a Division of Infectious Diseases , Mayo Clinic , Rochester , MN , USA
| | | | - Aaron J Tande
- a Division of Infectious Diseases , Mayo Clinic , Rochester , MN , USA
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Disseminated histoplasmosis as a first clinical manifestation in a patient with small lymphocytic lymphoma: A case report. BIOMEDICA 2018; 38:298-302. [PMID: 30335234 DOI: 10.7705/biomedica.v38i3.3739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 11/17/2017] [Indexed: 11/21/2022]
Abstract
The small lymphocytic lymphoma is a mature B cell neoplasm with a broad spectrum of clinical presentations. Opportunistic infections that are not related to the treatment, even in advanced stages, have a low incidence rate. There are few case reports in the medical literature of patients who have not received immunosuppressive therapy and present with small lymphocytic lymphoma associated with disseminated histoplasmosis at diagnosis.
A female 82-year-old patient was admitted due to an intermittent dry cough, asthenia, and adynamia that had persisted for one month. Multiple studies to detect infections and immuno-rheumatic conditions were performed and an extensive cervical, thoracic and peritoneal adenopathic syndrome was diagnosed.
A flow cytometry and a cervical lymph node biopsy were performed reporting CD19+, CD20dim, CD5+, CD45+, CD23+, CD43neg, and CD10neg phenotypes with restriction in the light kappa chain compatible with a small lymphocytic lymphoma.
Epithelioid granulomas without necrosis were observed in the lymph node histopathology and special colorations showed no microorganisms. The culture from the lymph node was positive for Histoplasma capsulatum. We initiated treatment with amphotericin B and itraconazole with an adequate response. In the absence of compliance with oncology treatment criteria, the patient was managed on a “watch and wait” basis.
Opportunistic infections could be the initial clinical manifestation in patients with low-grade lymphoproliferative syndromes. This case report shows that they can develop even in the absence of chemotherapy.
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Deregulation of SOCS5 suppresses dendritic cell function in chronic lymphocytic leukemia. Oncotarget 2018; 7:46301-46314. [PMID: 27317770 PMCID: PMC5216799 DOI: 10.18632/oncotarget.10093] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Accepted: 05/28/2016] [Indexed: 01/07/2023] Open
Abstract
One cause of morbidity and mortality in chronic lymphocytic leukemia (CLL) is infection, which results from defects in a number of components of the immune system. In particular, dendritic cells (DCs) are functionally defective in patients with CLL. To understand the molecular mechanism for this abnormality, we focused on signal transduction pathways that regulate the function of monocyte-derived dendritic cells (Mo-DCs). Monocytes from CLL patients exhibit high IL-4Rα expression due to the enhanced activation of STAT3. However, IL-4R signaling is decoupled from activation of its downstream mediator STAT6 by enhanced levels of the negative regulator SOCS5. This impairs differentiation of functionally mature DCs leading to decreased expression of HLA-DR and costimulatory molecules, and reduced secretion of pro-inflammatory cytokines in LPS-activated DCs. Moreover, Mo-DCs from CLL patients display a decreased ability to induce pro-inflammatory T-cell responses. IL-10-treatment of monocytes from healthy donors mimics the alteration in signaling observed in CLL patients, through enhanced STAT3-dependent expression of SOCS5. The higher level of SOCS5 inhibits STAT6 activation and leads to defective DC differentiation. These findings indicate that SOCS5 mediates the impaired function of DCs in CLL patients, and has the potential to be a new therapeutic target for reversing cancer-associated immune suppression.
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Sesé L, Rivaud E, Bron C, Leblond V, Raffoux E, Longchampt E, Cahen P, Zemoura L, Mellot F, Couderc LJ, Catherinot E. UnexpectedPneumocystis jiroveciipneumonia in patients with untreated chronic lymphocytic leukemia. Leuk Lymphoma 2017; 59:1004-1007. [DOI: 10.1080/10428194.2017.1357170] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Lucile Sesé
- Service de Pneumologie, Hôpital Foch, Suresnes, France
| | | | - Camille Bron
- Service de Pneumologie, Hôpital Foch, Suresnes, France
| | - Véronique Leblond
- Service d’Hématologie, Hôpital Pitié Salpétrière, Assistance Publique – Hôpitaux de Paris, Paris, France
- UPMC GRC11-GRECHY, Université Pierre et Marie Curie, Paris, France
| | - Emmanuel Raffoux
- Service d’Hématologie, Hôpital Saint-Louis, Assistance Publique – Hôpitaux de Paris, Paris, France
| | | | - Pierre Cahen
- Service de Microbiologie, Hôpital Foch, Suresnes, France
| | - Leila Zemoura
- Service d’Anatomo-Pathologie, Hôpital Foch, Suresnes, France
| | | | - Louis-Jean Couderc
- Service de Pneumologie, Hôpital Foch, Suresnes, France
- Faculté Paris-Ile de France Ouest, Université Versailles Saint-Quentin, Versailles, France
- UPRES EA 220, Suresnes, France
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Arthurs B, Wunderle K, Hsu M, Kim S. Invasive aspergillosis related to ibrutinib therapy for chronic lymphocytic leukemia. Respir Med Case Rep 2017; 21:27-29. [PMID: 28377877 PMCID: PMC5369366 DOI: 10.1016/j.rmcr.2017.03.011] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Revised: 03/15/2017] [Accepted: 03/19/2017] [Indexed: 12/31/2022] Open
Abstract
We report a case of invasive pulmonary aspergillosis in a patient taking ibrutinib, a Bruton's tyrosine kinase inhibitor used to treat refractory chronic lymphocytic leukemia. We hypothesize that ibrutinib promoted this infection by suppressing innate immune responses against Aspergillus. Clinicians should be aware of potential Aspergillus infections in patients treated with this drug.
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Affiliation(s)
- Benjamin Arthurs
- Division of Pulmonary & Critical Care Medicine, Veterans Affairs Portland Health Care System, Oregon Health & Science University, 3710 SW US Veterans Hospital Rd, Portland, OR 97239, United States
- Department of Medicine, Veterans Affairs Portland Health Care System, Oregon Health & Science University, 3710 SW US Veterans Hospital Rd, Portland, OR 97239, United States
- Corresponding author. 3181 SW Sam Jackson Park Rd, Mail Code UHN67, Portland, OR 97239, United States.3181 SW Sam Jackson Park RdMail Code UHN67PortlandOR97239United States
| | - Kathy Wunderle
- Department of Medicine, Veterans Affairs Portland Health Care System, Oregon Health & Science University, 3710 SW US Veterans Hospital Rd, Portland, OR 97239, United States
| | - Maylee Hsu
- Department of Pathology, Veterans Affairs Portland Health Care System, Oregon Health & Science University, 3710 SW US Veterans Hospital Rd, Portland, OR 97239, United States
| | - Suil Kim
- Division of Pulmonary & Critical Care Medicine, Veterans Affairs Portland Health Care System, Oregon Health & Science University, 3710 SW US Veterans Hospital Rd, Portland, OR 97239, United States
- Department of Medicine, Veterans Affairs Portland Health Care System, Oregon Health & Science University, 3710 SW US Veterans Hospital Rd, Portland, OR 97239, United States
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Khanijo S, Tandon P, Sison CP, Koenig S. Thoracic Complications in Chronic Lymphocytic Leukemia. CLINICAL LYMPHOMA MYELOMA & LEUKEMIA 2017; 17:220-224. [PMID: 28284744 DOI: 10.1016/j.clml.2017.02.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 12/14/2016] [Accepted: 02/07/2017] [Indexed: 12/30/2022]
Abstract
BACKGROUND Chronic lymphocytic leukemia (CLL) is the most common lymphoproliferative disorder worldwide. Although thoracic complications are frequent in CLL, only limited data exist regarding the etiologies of these complications. MATERIALS AND METHODS A retrospective chart review was performed on all patients admitted to a tertiary care, CLL referral center, with CLL and a respiratory complaint from 2001 through 2013, to categorize pulmonary complaints and diagnoses. RESULTS There were 277 patients with CLL admitted on 409 occasions with respiratory complaints. The median age was 73 years, with a male to female ratio of 2:1. The majority of patients had a high-risk Rai classification and had received prior treatment. Common presenting symptoms included dyspnea, cough, and sputum production. The most common diagnoses were pneumonia (62.8%), with an identified organism in 44.7%, pleural effusions (31.8%), lung cancer (6.9%), and leukemic infiltrates (5.9%). Invasive procedures were performed 138 times: 70 bronchoscopies, 24 surgical lung biopsies, 10 computed tomography-guided lung biopsies, and 34 thoracenteses. In-hospital mortality was 24.9%. In a multivariable analysis, an elevated blood urea nitrogen level and creatinine, thrombocytopenia, and a presenting symptom of dyspnea correlated significantly with in-hospital mortality. CONCLUSION Thoracic manifestations in CLL are common among hospitalized patients. Although infectious pneumonia remains most common, unusual or opportunistic infections may be increasing, and direct lung damage owing to CLL itself or to newer biologic agents are being diagnosed with lung tissue sampling. Recognition of these complications will allow earlier diagnosis, which may change management including removal of offending biologic agents or augmentation of treatment for CLL when infiltrative leukemic cells are present.
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Affiliation(s)
- Sameer Khanijo
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, Hofstra Northwell School of Medicine, New Hyde Park, NY.
| | - Pragati Tandon
- Department of Medicine, Division of Hematology and Medical Oncology, Icahn School of Medicine at Mount Sinai, Huntington, NY
| | - Cristina P Sison
- Biostatistics Unit, Feinstein Institute for Medical Research at Northwell Health, Manhasset, NY
| | - Seth Koenig
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, Hofstra Northwell School of Medicine, New Hyde Park, NY
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Abstract
Antibody deficiencies can occur in the context of primary disorders due to inherited genetic defects; however, secondary immune disorders are far more prevalent and can be caused by various diseases and their treatment, certain medications and surgical procedures. Immunoglobulin replacement therapy has been shown to be effective in reducing infections, morbidity and mortality in primary antibody deficiencies but secondary antibody deficiencies are in general poorly defined and there are no guidelines for the management of patients with this condition. Clinical decisions are based on experience from primary antibody deficiencies. Both primary and secondary antibody deficiencies can be associated with infections, immune dysregulation and end-organ damage, causing significant morbidity and mortality. Therefore, it is important to diagnose and treat these patients promptly to minimise adverse effects and improve quality of life. We focus on secondary antibody deficiency and describe the causes, diagnosis and treatment of this disorder.
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Affiliation(s)
- Sapna Srivastava
- Department of Clinical Immunology and Allergy, St James's University Hospital, Leeds, UK
| | - Philip Wood
- Department of Clinical Immunology and Allergy, St James's University Hospital, Leeds, UK
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30
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Dropulic LK, Lederman HM. Overview of Infections in the Immunocompromised Host. Microbiol Spectr 2016; 4:10.1128/microbiolspec.DMIH2-0026-2016. [PMID: 27726779 PMCID: PMC8428766 DOI: 10.1128/microbiolspec.dmih2-0026-2016] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Indexed: 12/12/2022] Open
Abstract
Understanding the components of the immune system that contribute to host defense against infection is key to recognizing infections that are more likely to occur in an immunocompromised patient. In this review, we discuss the integrated system of physical barriers and of innate and adaptive immunity that contributes to host defense. Specific defects in the components of this system that predispose to particular infections are presented. This is followed by a review of primary immunodeficiency diseases and secondary immunodeficiencies, the latter of which develop because of a specific illness or condition or are treatment-related. The effects of treatment for neoplasia, autoimmune diseases, solid organ and stem cell transplants on host defenses are reviewed and associated with susceptibility to particular infections. In conclusion, an approach to laboratory screening for a suspected immunodeficiency is presented. Knowledge of which host defects predispose to specific infections allows clinicians to prevent, diagnose, and manage infections in their immunocompromised patients most effectively.
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Affiliation(s)
- Lesia K Dropulic
- The National Institutes of Health, National Institute of Allergy and Infectious Diseases, Division of Intramural Research, Bethesda, MD 20892
| | - Howard M Lederman
- Departments of Pediatrics, Medicine, and Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287
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Friman V, Winqvist O, Blimark C, Langerbeins P, Chapel H, Dhalla F. Secondary immunodeficiency in lymphoproliferative malignancies. Hematol Oncol 2016; 34:121-32. [PMID: 27402426 DOI: 10.1002/hon.2323] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 05/18/2016] [Accepted: 05/27/2016] [Indexed: 11/10/2022]
Abstract
Secondary immunodeficiencies occur as a consequence of various diseases, including hematological malignancies, and the use of pharmacological therapies, such as immunosuppressive, anti-inflammatory, and biological drugs. Infections are the main cause of morbidity and mortality in multiple myeloma (MM) and chronic lymphocytic leukemia (CLL) patients. Recent advances in treatment have prolonged the duration of remission and the time between relapse phases in MM and CLL patients. However, managing multiple relapses and the use of salvage therapies can lead to cumulative immunosuppression and a higher risk of infections. The pathogenesis of immune deficiency secondary to lymphoproliferative malignancy is multifactorial including disease- and treatment-related factors. Supportive treatment, including early vaccination, anti-infective prophylaxis, and replacement immunoglobulin, plays a key role in preventing infections in MM and CLL. This article provides an overview of the basic immunology necessary to understand the pathogenesis of secondary immunodeficiency and the infectious complications in MM and CLL. We also discuss the evidence supporting the role of prophylactic replacement immunoglobulin treatment in patients with antibody failure secondary to MM and CLL and the indications for its use. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Vanda Friman
- Department of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ola Winqvist
- Translational Immunology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Cecilie Blimark
- Department of Internal Medicine, Hematology Section, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Petra Langerbeins
- German CLL Study Group, Department I of Internal Medicine, University Hospital of Cologne, Cologne, Germany
| | - Helen Chapel
- Department of Clinical Immunology, University of Oxford, Oxford, UK
| | - Fatima Dhalla
- Department of Clinical Immunology, University of Oxford, Oxford, UK
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32
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Strati P, Uhm JH, Kaufmann TJ, Nabhan C, Parikh SA, Hanson CA, Chaffee KG, Call TG, Shanafelt TD. Prevalence and characteristics of central nervous system involvement by chronic lymphocytic leukemia. Haematologica 2016; 101:458-65. [PMID: 26819053 DOI: 10.3324/haematol.2015.136556] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2015] [Accepted: 01/22/2016] [Indexed: 11/09/2022] Open
Abstract
Abroad array of conditions can lead to neurological symptoms in chronic lymphocytic leukemia patients and distinguishing between clinically significant involvement of the central nervous system by chronic lymphocytic leukemia and symptoms due to other etiologies can be challenging. Between January 1999 and November 2014, 172 (4%) of the 4174 patients with chronic lymphocytic leukemia followed at our center had a magnetic resonance imaging of the central nervous system and/or a lumbar puncture to evaluate neurological symptoms. After comprehensive evaluation, the etiology of neurological symptoms was: central nervous system chronic lymphocytic leukemia in 18 patients (10% evaluated by imaging and/or lumbar puncture, 0.4% overall cohort); central nervous system Richter Syndrome in 15 (9% evaluated, 0.3% overall); infection in 40 (23% evaluated, 1% overall); autoimmune/inflammatory conditions in 28 (16% evaluated, 0.7% overall); other cancer in 8 (5% evaluated, 0.2% overall); and another etiology in 63 (37% evaluated, 1.5% overall). Although the sensitivity of cerebrospinal fluid analysis to detect central nervous system disease was 89%, the specificity was only 42% due to the frequent presence of leukemic cells in the cerebrospinal fluid in other conditions. No parameter on cerebrospinal fluid analysis (e.g. total nucleated cells, total lymphocyte count, chronic lymphocytic leukemia cell percentage) were able to offer a reliable discrimination between patients whose neurological symptoms were due to clinically significant central nervous system involvement by chronic lymphocytic leukemia and another etiology. Median overall survival among patients with clinically significant central nervous system chronic lymphocytic leukemia and Richter syndrome was 12 and 11 months, respectively. In conclusion, clinically significant central nervous system involvement by chronic lymphocytic leukemia is a rare condition, and neurological symptoms in patients with chronic lymphocytic leukemia are due to other etiologies in approximately 80% of cases. Analysis of the cerebrospinal fluid has high sensitivity but limited specificity to distinguish clinically significant chronic lymphocytic leukemia involvement from other etiologies.
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Affiliation(s)
- Paolo Strati
- Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Joon H Uhm
- Mayo Clinic College of Medicine, Rochester, MN, USA
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Demerle C, Ivanov V, Mercier C, Costello R, Drancourt M. Mixed Streptococcus pneumoniae and Streptococcus pyogenes meningitis in an immunocompromised adult patient: a case report. J Med Case Rep 2015; 9:273. [PMID: 26615521 PMCID: PMC4663040 DOI: 10.1186/s13256-015-0763-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 11/08/2015] [Indexed: 11/30/2022] Open
Abstract
Introduction Community-acquired meningitis is a monomicrobial infection caused by either viruses or bacteria in the vast majority of patients. We report here one exceptional case of a patient with mixed bacterial meningitis due to Streptococcus pneumoniae and Streptococcus pyogenes. Case presentation We report the case of a 68-year-old immunocompromised Caucasian man suffering from otitis and then meningitis caused by Streptococcus pneumoniae and Streptococcus pyogenes. Bacteria were undistinguishable by direct microscopic examination of the cerebrospinal fluid. He responded well to treatment with cefotaxime and dexamethasone, with no sequelae observed at the 4-month follow-up. Conclusions This first reported case of mixed S. pneumoniae and S. pyogenes meningitis illustrates the life-threatening consequences of barotrauma in immunocompromised patients suffering from otorhinolaryngeal infections.
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Affiliation(s)
- Clémence Demerle
- Aix Marseille Université URMITE, UMR CNRS 7278, IRD 198, INSERM 1095, Faculté de Médecine, 27, Boulevard Jean Moulin, 13005, Marseille cedex 5, France
| | - Vadim Ivanov
- Service d'Hématologie et Thérapie Cellulaire, Centre Hospitalier Universitaire La Conception, 147 Boulevard Baille, 13005, Marseille cedex 5, France
| | - Cédric Mercier
- Service d'Hématologie et Thérapie Cellulaire, Centre Hospitalier Universitaire La Conception, 147 Boulevard Baille, 13005, Marseille cedex 5, France
| | - Régis Costello
- Service d'Hématologie et Thérapie Cellulaire, Centre Hospitalier Universitaire La Conception, 147 Boulevard Baille, 13005, Marseille cedex 5, France
| | - Michel Drancourt
- Aix Marseille Université URMITE, UMR CNRS 7278, IRD 198, INSERM 1095, Faculté de Médecine, 27, Boulevard Jean Moulin, 13005, Marseille cedex 5, France. .,Unité de recherche sur les maladies infectieuses et tropicales émergentes, Faculté de Médecine, 27 Boulevard Jean Moulin, 13385, Marseille cedex 5, France.
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Sepsis due to Erysipelothrix rhusiopathiae in a patient with chronic lymphocytic leukemia associated with bronchopneumonia due to Pseudomonas aeruginosa and Escherichia coli: A case report. CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY 2015; 26:108-10. [PMID: 26015797 PMCID: PMC4419814 DOI: 10.1155/2015/707032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
INTRODUCTION The present report describes a case of sepsis due to Erysipelothrix rhusiopathiae in a patient with B-cell chronic lymphocytic leukemia with no animal exposure, associated with concomitant bronchopneumonia due to Pseudomonas aeruginosa and Escherichia coli. CASE PRESENTATION A 54-year-old Caucasian man presented to an emergency room with a three-day history of chest pain, fever, cough with purulent sputum, chills and dyspnea. The patient had associated erythematous papules on the chest and enlarged axillary, submandibular, pectoral and supraclavicular lymph nodes, which regressed under treatment with penicillin. The patient was found to have sepsis without endocarditis caused by E rhusiopathiae, associated with bronchopneumonia that was induced by a double Gram-negative infection. CONCLUSIONS The underlying-B cell chronic lymphocytic leukemia may have favoured the development of bacteremia due to E rhusiopathiae, which occurred subsequent to glossitis in an immunocompromised host being treated with methylprednisolone and cladribine.
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35
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Robles C, Casabonne D, Benavente Y, Costas L, Gonzalez-Barca E, Aymerich M, Campo E, Tardon A, Jiménez-Moleón JJ, Castaño-Vinyals G, Dierssen-Sotos T, Michel A, Kranz L, Aragonés N, Pollan M, Kogevinas M, Pawlita M, de Sanjose S. Seroreactivity against Merkel cell polyomavirus and other polyomaviruses in chronic lymphocytic leukaemia, the MCC-Spain study. J Gen Virol 2015; 96:2286-2292. [PMID: 25920529 DOI: 10.1099/vir.0.000167] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Merkel cell polyomavirus (MCPyV) has been suspected to cause chronic lymphocytic leukaemia (CLL) but previous data are inconsistent. We measured seroreactivities of nine polyomaviruses (MCPyV, BKPyV, JCPyV, LPyV, KIPyV, WUPyV, HPyV-6, HPyV-7 and TSPyV) in 359 CLL cases and 370 controls using bead-based multiplex serology technology. We additionally tested two herpesviruses (HSV-1 and CMV). Associations between disease and viral seroreactivities were assessed using logistic regression. All human viruses showed high seroprevalences (69-99%) against structural proteins in controls but significantly lower viral seroprevalences in cases (58-94%; OR range = 0.21-0.70, P value < 0.05), except for MCPyV (OR = 0.79, 95% CI = 0.54-1.16). Lower seroreactivity levels were observed among CLL subjects, with significant differences already observed at early stages of disease, unrelated to treatment status. Seroreactivities against polyomavirus related oncoproteins were almost null. Our data suggest no association for MCPyV polyomavirus with CLL development and an unlikely association for other polyomaviruses tested.
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Affiliation(s)
- Claudia Robles
- Universitat Pompeu Fabra (UPF), 08003 Barcelona, Spain.,Unit of Infections and Cancer (UNIC), Cancer Epidemiology Research Programme, Institut Catala d'Oncologia - Catalan Institute of Oncology, IDIBELL, 08908 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Delphine Casabonne
- Unit of Infections and Cancer (UNIC), Cancer Epidemiology Research Programme, Institut Catala d'Oncologia - Catalan Institute of Oncology, IDIBELL, 08908 L'Hospitalet de Llobregat, Barcelona, Spain.,CIBER Epidemiología y Salud Pública (CIBERESP), 08036 Barcelona, Spain
| | - Yolanda Benavente
- Unit of Infections and Cancer (UNIC), Cancer Epidemiology Research Programme, Institut Catala d'Oncologia - Catalan Institute of Oncology, IDIBELL, 08908 L'Hospitalet de Llobregat, Barcelona, Spain.,CIBER Epidemiología y Salud Pública (CIBERESP), 08036 Barcelona, Spain
| | - Laura Costas
- Unit of Infections and Cancer (UNIC), Cancer Epidemiology Research Programme, Institut Catala d'Oncologia - Catalan Institute of Oncology, IDIBELL, 08908 L'Hospitalet de Llobregat, Barcelona, Spain.,CIBER Epidemiología y Salud Pública (CIBERESP), 08036 Barcelona, Spain
| | - Eva Gonzalez-Barca
- Hematology Department, Institut Catala d'Oncologia - Catalan Institute of Oncology, , IDIBELL, 08908 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Marta Aymerich
- Hospital Clinic, Institut d'Investigacions Biomèdiques August Pi i Sunyer, Universitat de Barcelona, 08036 Barcelona, Spain
| | - Elias Campo
- Hospital Clinic, Institut d'Investigacions Biomèdiques August Pi i Sunyer, Universitat de Barcelona, 08036 Barcelona, Spain
| | - Adonina Tardon
- CIBER Epidemiología y Salud Pública (CIBERESP), 08036 Barcelona, Spain.,Instituto Universitario de Oncología, University of Oviedo, 33006 Oviedo, Spain
| | - José J Jiménez-Moleón
- CIBER Epidemiología y Salud Pública (CIBERESP), 08036 Barcelona, Spain.,Department of Preventive Medicine and Public Health, University of Granada, 18071 Granada, Spain.,Instituto de Investigación Biosanitaria de Granada, Servicio Andaluz de Salud/Universidad de Granada, 18012 Granada, Spain
| | - Gemma Castaño-Vinyals
- Universitat Pompeu Fabra (UPF), 08003 Barcelona, Spain.,CIBER Epidemiología y Salud Pública (CIBERESP), 08036 Barcelona, Spain.,IMIM (Hospital del Mar Research Institute), 08003 Barcelona, Spain.,Centre for Research in Environmental Epidemiology (CREAL), 08003 Barcelona, Spain
| | - Trinidad Dierssen-Sotos
- CIBER Epidemiología y Salud Pública (CIBERESP), 08036 Barcelona, Spain.,Facultad de Medicina, Universidad de Cantabria - IDIVAL, 39011 Santander, Spain
| | - Angelika Michel
- Infections and Cancer Epidemiology, Infection and Cancer Program, German Cancer Research Center (DKFZ), , 69121 Heidelberg, Germany
| | - Lena Kranz
- Department of Genome Modifications and Carcinogenesis, Infection and Cancer Program, German Cancer Research Center (DKFZ), 69121 Heidelberg, Germany
| | - Nuria Aragonés
- CIBER Epidemiología y Salud Pública (CIBERESP), 08036 Barcelona, Spain.,Environmental and Cancer Epidemiology Unit, National Center of Epidemiology, Instituto de Salud Carlos III, 28029 Madrid, Spain.,IIS Puerta de Hierro, 28222 Majadahonda, Spain
| | - Marina Pollan
- CIBER Epidemiología y Salud Pública (CIBERESP), 08036 Barcelona, Spain.,Environmental and Cancer Epidemiology Unit, National Center of Epidemiology, Instituto de Salud Carlos III, 28029 Madrid, Spain.,IIS Puerta de Hierro, 28222 Majadahonda, Spain
| | - Manolis Kogevinas
- National School of Public Health, Athens AL 35611, Greece.,CIBER Epidemiología y Salud Pública (CIBERESP), 08036 Barcelona, Spain.,IMIM (Hospital del Mar Research Institute), 08003 Barcelona, Spain.,Universitat Pompeu Fabra (UPF), 08003 Barcelona, Spain.,Centre for Research in Environmental Epidemiology (CREAL), 08003 Barcelona, Spain
| | - Michael Pawlita
- Department of Genome Modifications and Carcinogenesis, Infection and Cancer Program, German Cancer Research Center (DKFZ), 69121 Heidelberg, Germany
| | - Silvia de Sanjose
- Unit of Infections and Cancer (UNIC), Cancer Epidemiology Research Programme, Institut Catala d'Oncologia - Catalan Institute of Oncology, IDIBELL, 08908 L'Hospitalet de Llobregat, Barcelona, Spain.,CIBER Epidemiología y Salud Pública (CIBERESP), 08036 Barcelona, Spain
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Jurado-Camino T, Córdoba R, Esteban-Burgos L, Hernández-Jiménez E, Toledano V, Hernandez-Rivas JA, Ruiz-Sainz E, Cobo T, Siliceo M, Perez de Diego R, Belda C, Cubillos-Zapata C, López-Collazo E. Chronic Lymphocytic Leukemia: A Paradigm of Innate Immune Cross-Tolerance. THE JOURNAL OF IMMUNOLOGY 2014; 194:719-27. [DOI: 10.4049/jimmunol.1402272] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Duraisingham SS, Buckland MS, Grigoriadou S, Longhurst HJ. Secondary antibody deficiency. Expert Rev Clin Immunol 2014; 10:583-91. [PMID: 24684706 DOI: 10.1586/1744666x.2014.902314] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Secondary antibody deficiencies are defined by a quantitative or qualitative decrease in antibodies that occur most commonly as a consequence of renal or gastrointestinal immunoglobulin loss, hematological malignancies and corticosteroid, immunosuppressive or anticonvulsant medications. Patients with hematological malignancies or requiring immunosuppressive medications are known to be at increased risk of infection, but few studies directly address this relationship in the context of antibody deficiency. Immunoglobulin replacement therapy has been shown to be effective in reducing infections in primary and some secondary antibody deficiencies. The commonly encountered causes of secondary antibody deficiencies and their association with infection-related morbidity and mortality are discussed. Recommendations are made for screening and clinical management of those at risk.
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Affiliation(s)
- Sai S Duraisingham
- Immunology Department, Royal London Hospital, Barts Health NHS Trust, London, UK
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38
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Saulep-Easton D, Vincent FB, Le Page M, Wei A, Ting SB, Croce CM, Tam C, Mackay F. Cytokine-driven loss of plasmacytoid dendritic cell function in chronic lymphocytic leukemia. Leukemia 2014; 28:2005-15. [PMID: 24721775 PMCID: PMC4100939 DOI: 10.1038/leu.2014.105] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Revised: 02/10/2014] [Accepted: 03/06/2014] [Indexed: 02/06/2023]
Abstract
Chronic lymphocytic leukemia (CLL) is characterized by the accumulation of CD5+CD19+ B cells in the peripheral blood, and in primary and secondary lymphoid organs. A major complication associated with CLL is severe recurrent infections, which are often fatal. Vulnerability to infection is due to a wide variety of immunological defects, yet the initiating events of immunodeficiency in CLL are unclear. Using CLL patient samples and a mouse model of CLL, we have discovered that plasmacytoid dendritic cells (pDCs), which underpin the activity of effector immune cells critical for anti-viral immunity and anti-tumor responses, are reduced in number and functionally impaired in progressive CLL. As a result, the levels of interferon alpha (IFNα) production, a cytokine critical for immunity, are markedly reduced. Lower pDC numbers with impaired IFNα production was due to the decreased expression of FMS-like tyrosine kinase 3 receptor (Flt3) and Toll-like receptor 9 (TLR9), respectively. Reduced Flt3 expression was reversed using inhibitors of TGF-β and TNF, an effect correlating with a reduction in tumor load. Defects in pDC numbers and function offer a new insight into mechanisms underpinning the profound immunodeficiency affecting CLL patients and provide a potentially novel avenue for restoring immuno-competency in CLL.
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Affiliation(s)
- D Saulep-Easton
- Department of Immunology, Monash University Central Clinical School, Alfred Medical Research and Education Precinct (AMREP), 89 Commercial Road, Melbourne, Victoria, Australia
| | - F B Vincent
- Department of Immunology, Monash University Central Clinical School, Alfred Medical Research and Education Precinct (AMREP), 89 Commercial Road, Melbourne, Victoria, Australia
| | - M Le Page
- Department of Immunology, Monash University Central Clinical School, Alfred Medical Research and Education Precinct (AMREP), 89 Commercial Road, Melbourne, Victoria, Australia
| | - A Wei
- 1] Department of Haematology, The Alfred Hospital, 55 Commercial Road, Melbourne, Victoria, Australia [2] Australian Centre for Blood Diseases, Division of Blood Cancers, Monash University Central Clinical School, Alfred Medical Research and Education Precinct (AMREP), 89 Commercial Road, Melbourne, Victoria, Australia
| | - S B Ting
- 1] Department of Haematology, The Alfred Hospital, 55 Commercial Road, Melbourne, Victoria, Australia [2] Australian Centre for Blood Diseases, Division of Blood Cancers, Monash University Central Clinical School, Alfred Medical Research and Education Precinct (AMREP), 89 Commercial Road, Melbourne, Victoria, Australia
| | - C M Croce
- Department of Molecular Virology, Immunology and Medical Genetics, The Ohio State University, 460 West 12th Avenue, Columbus, OH, USA
| | - C Tam
- Department of Haematology, Peter MacCallum Cancer Centre, St. Andrews's Place, East Melbourne, Victoria, Australia
| | - F Mackay
- Department of Immunology, Monash University Central Clinical School, Alfred Medical Research and Education Precinct (AMREP), 89 Commercial Road, Melbourne, Victoria, Australia
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39
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El-Haj N, Gonsalves WI, Gupta V, Smeltzer JP, Parikh SA, Singh PP, Gangat N. Secondary Hemophagocytic Syndrome Associated with Richter's Transformation in Chronic Lymphocytic Leukemia. Case Rep Hematol 2014; 2014:287479. [PMID: 24551464 PMCID: PMC3914353 DOI: 10.1155/2014/287479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Accepted: 12/11/2013] [Indexed: 11/18/2022] Open
Abstract
Hemophagocytic syndrome (HPS) is an extremely rare condition arising from the overactivation of one's own immune system. It results in excessive inflammation and tissue destruction. Prompt initiation of treatment is warranted in either scenario in order to decrease mortality. Most cases are triggered by infectious agents, malignancy, or drugs. We describe the first case of a CLL patient presenting with HPS due to acquisition of EBV-related large cell lymphoma in the setting of profound immunodeficiency.
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Affiliation(s)
| | - Wilson I. Gonsalves
- Department of Hematology, Mayo Clinic Rochester, 200 1st Street SW, Rochester, MN 55905, USA
| | - Vinay Gupta
- Department of Hematology, Mayo Clinic Rochester, 200 1st Street SW, Rochester, MN 55905, USA
| | - Jacob P. Smeltzer
- Department of Hematology, Mayo Clinic Rochester, 200 1st Street SW, Rochester, MN 55905, USA
| | - Sameer A. Parikh
- Department of Hematology, Mayo Clinic Rochester, 200 1st Street SW, Rochester, MN 55905, USA
| | - Preet P. Singh
- Department of Hematology, Mayo Clinic Rochester, 200 1st Street SW, Rochester, MN 55905, USA
| | - Naseema Gangat
- Department of Hematology, Mayo Clinic Rochester, 200 1st Street SW, Rochester, MN 55905, USA
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Abstract
Patients with cancer vary regarding the nature and level of immunocompromise. Both the underlying malignancy and therapy can influence risk of infectious complications. Therefore, decisions about antimicrobial prophylaxis must be guided by a number of factors: (1) the risk of infection; (2) the potential severity of infection and the likelihood of response to therapy; and (3) the safety and efficacy of antimicrobial prophylaxis. The potential for selection for antibiotic-resistant pathogens should also inform decisions about prophylaxis. When assessing clinical trial data on antimicrobial prophylaxis, two major criteria should be considered: the quality of studies supporting prophylaxis (randomized, blinded studies are optimal) and the expected benefit of prophylaxis, measured in terms of prevention of morbidity and potentially mortality. This chapter reviews the epidemiology and clinical trial data on prophylaxis against the major bacterial, viral, and fungal diseases in patients with cancer. Gaps in knowledge and alternative approaches, such as the use of newer diagnostics, are discussed.
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Affiliation(s)
- Diana Pomakova
- School of Medicine and Biomedical Sciences, University of Buffalo School of Medicine, Buffalo, NY, USA
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Abstract
Although major advances in the care of cancer patients over the past several decades have resulted in improved survival, infectious complications remain a significant cause of morbidity and mortality. To successfully identify, treat, and prevent infections, a comprehensive understanding of risk factors that predispose to infection and of commonly encountered pathogens is necessary. In addition, clinicians must keep abreast of the changing epidemiology of infections in this population. As therapeutic modalities continue to evolve, as established pathogens become increasingly drug resistant, and as new pathogens are discovered, successful management of infections will continue to present challenges in the years to come.
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Affiliation(s)
- Valentina Stosor
- Div. Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, Illinois USA
| | - Teresa R. Zembower
- Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, Illinois USA
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Vanura K, Rieder F, Kastner MT, Biebl J, Sandhofer M, Le T, Strassl R, Puchhammer-Stöckl E, Perkmann T, Steininger CF, Stamatopoulos K, Graninger W, Jäger U, Steininger C. Chronic lymphocytic leukemia patients have a preserved cytomegalovirus-specific antibody response despite progressive hypogammaglobulinemia. PLoS One 2013; 8:e78925. [PMID: 24194956 PMCID: PMC3806856 DOI: 10.1371/journal.pone.0078925] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Accepted: 09/17/2013] [Indexed: 01/14/2023] Open
Abstract
Chronic lymphocytic leukemia (CLL) is characterized by progressive hypogammaglobulinemia predisposing affected patients to a variety of infectious diseases but paradoxically not to cytomegalovirus (CMV) disease. Moreover, we found reactivity of a panel of CLL recombinant antibodies (CLL-rAbs) encoded by a germ-line allele with a single CMV protein, pUL32, despite differing antibody binding motifs. To put these findings into perspective, we studied prospectively relative frequency of viremia, kinetics of total and virus-specific IgG over time, and UL32 genetic variation in a cohort of therapy-naive patients (n=200). CMV-DNA was detected in 3% (6/200) of patients. The decay of total IgG was uniform (mean, 0.03; SD, 0.03) and correlated with that of IgG subclasses 1-4 in the paired samples available (n=64; p<0.001). Total CMV-specific IgG kinetics were more variable (mean, 0,02; SD, 0,06) and mean decay values differed significantly from those of total IgG (p=0.034). Boosts of CMV-specific antibody levels were observed in 49% (22/45) of CMV-seropositive patients. In contrast, VZV- and EBV-specific IgG levels decayed in parallel with total IgG levels (p=0.003 and p=0.001, respectively). VZV-specific IgG even became undetectable in 18% (9/50) of patients whereas CMV-specific ones remained detectable in all seropositive patients. The observed CMV-specific IgG kinetics were predicated upon the highly divergent kinetics of IgG specific for individual antigens - glycoprotein B-specific IgG were boosted in 51% and pUL32-specific IgG in 32% of patients. In conclusion, CLL patients have a preserved CMV-specific antibody response despite progressive decay of total IgG and IgG subclasses. CMV-specific IgG levels are frequently boosted in contrast to that of other herpesviruses indicative of a higher rate of CMV reactivation and antigen-presentation. In contrast to the reactivity of multiple different CLL-rAbs with pUL32, boosts of humoral immunity are triggered apparently by other CMV antigens than pUL32, like glycoprotein B.
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Affiliation(s)
- Katrina Vanura
- Department of Medicine I, Div. of Hematology and Hemostaseology, Comprehensive Cancer Center (CCC), Medical University of Vienna, Vienna, Austria
| | - Franz Rieder
- Department of Medicine I, Div. of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria
| | - Marie-Theres Kastner
- Department of Medicine I, Div. of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria
| | - Julia Biebl
- Department of Medicine I, Div. of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria
| | - Michael Sandhofer
- Department of Medicine I, Div. of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria
| | - Trang Le
- Department of Medicine I, Div. of Hematology and Hemostaseology, Comprehensive Cancer Center (CCC), Medical University of Vienna, Vienna, Austria
| | - Robert Strassl
- Department of Virology, Medical University of Vienna, Vienna, Austria
| | | | - Thomas Perkmann
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Christoph F. Steininger
- Department of Medicine I, Div. of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria
| | - Kostas Stamatopoulos
- Hematology Department and HCT Unit, G. Papanicolaou Hospital, Thessaloniki, Greece
| | - Wolfgang Graninger
- Department of Medicine I, Div. of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria
| | - Ulrich Jäger
- Department of Medicine I, Div. of Hematology and Hemostaseology, Comprehensive Cancer Center (CCC), Medical University of Vienna, Vienna, Austria
| | - Christoph Steininger
- Department of Medicine I, Div. of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria
- * E-mail:
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Targeting inflammatory pathways in chronic lymphocytic leukemia. Crit Rev Oncol Hematol 2013; 88:655-66. [PMID: 23941728 DOI: 10.1016/j.critrevonc.2013.07.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Revised: 07/01/2013] [Accepted: 07/18/2013] [Indexed: 11/22/2022] Open
Abstract
Despite recent major advances in leukemia research, the pathobiology of chronic lymphocytic leukemia (CLL) remains poorly understood. Herein we review the role chronic inflammation plays in the initiation and progression of CLL. The robust production of inflammatory cytokines and chemokines accompanied by activation of intra-cellular pro-inflammatory pathways, and the presence of somatic mutations that activate pro-inflammatory signaling pathways, suggest that chronic inflammation plays a pathophysiological role in this disease. Indeed, glucocorticoids and non-steroidal anti-inflammatory possess anti-tumor activity, and glucocorticoids have been broadly used to treat CLL and its complications. Recent clinical trials demonstrated that tyrosine kinase inhibitors, such as ibrutinib and the immune-modulatory agent lenalidomide, induced impressive clinical responses in CLL patients with relapsed or refractory disease. As those pro-inflammatory pathway inhibitors and immune modulating drugs proved to be effective in CLL, other agents with similar activities are currently investigated in clinical trials. New insights into the pathobiology of CLL and the development of novel classes of drugs will undoubtedly provide us with effective tools to treat and perhaps cure CLL.
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Kontoyiannis DP, Georgiadou SP, Wierda WG, Wright S, Albert ND, Ferrajoli A, Keating M, Lewis RE. Impaired bactericidal but not fungicidal activity of polymorphonuclear neutrophils in patients with chronic lymphocytic leukemia. Leuk Lymphoma 2013; 54:1730-3. [PMID: 23163595 DOI: 10.3109/10428194.2012.750723] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
We examined the qualitative polymorphonuclear neutrophil (PMN)-associated immune impairment in patients with chronic lymphocytic leukemia (CLL) by characterizing phagocytic killing of key non-opsonized bacterial (Staphylococcus aureus and Pseudomonas aeruginosa) and fungal (Candida albicans and Aspergillus fumigatus) pathogens. Neutrophils were collected from 47 non-neutropenic patients with CLL (PMN count > 1000/mm(3)) and age-matched and young healthy controls (five each). A subset of patients (13%) had prior or subsequent infections. We found that the patients with CLL had diminished PMN microbicidal response against bacteria but not against fungi compared with the controls. Compared to patients with effective PMN responses, we did not identify differences of basal PMN pathogen-associated molecular pattern receptor gene expression, soluble pathogen-associated molecular pattern gene expression or inflammatory cytokine signatures in patients with impaired PMN responses when PMNs were analyzed in multiplex real-time polymerase chain reaction assays. However, differences in PMN microbicidal response against A. fumigatus in patients with CLL were associated with the degree of hypogammaglobulinemia.
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Affiliation(s)
- Dimitrios P Kontoyiannis
- Department of Infectious Diseases, Infection Control and Employee Health, The University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA.
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Blankart CR, Koch T, Linder R, Verheyen F, Schreyögg J, Stargardt T. Cost of illness and economic burden of chronic lymphocytic leukemia. Orphanet J Rare Dis 2013; 8:32. [PMID: 23425552 PMCID: PMC3598307 DOI: 10.1186/1750-1172-8-32] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2012] [Accepted: 02/11/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Chronic lymphocytic leukemia (CLL) is a slowly progressing but fatal disease that imposes a high economic burden on sickness funds and society. The objective of this study was to analyze and compare the direct and indirect costs of CLL in Germany from the perspective of the sickness funds and society and analyze the burden of the disease. METHODS Using a database of 7.6 million enrolled individuals, we identified 4198 CLL patients in 2007 and 2008. The costs attributable to CLL were estimated using a case-control design with a randomly selected control group of 150 individuals per combination of age and sex. We used the bootstrap approach to estimate uncertainties in costs estimated. We employed generalized estimating equation regression models and count data models to test for differences in costs and healthcare utilization. RESULTS The cost attributable to CLL for each prevalent case amounts to €4946 from the payer's perspective and €7910 from a societal perspective. Inpatient hospital stays and pharmaceuticals are the main cost drivers of the disease. The economic burden of disease in Germany was estimated to be approximately €201 million per year for the sickness funds and €322 million for society. CONCLUSIONS Compared with common diseases, such as diabetes or COPD, the economic burden of CLL is considerably lower. However, the cost of treatment per case is about twice as high as the cost per case for these common diseases, even though treatment is only performed in the later stages of CLL. With new healthcare technologies, the aging population, and the increasing incidence of the disease, it is likely that the economic burden of the disease will continue to grow.
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Affiliation(s)
- Carl Rudolf Blankart
- Hamburg Center for Health Economics, Universität Hamburg, Esplanade 36, D-20354, Hamburg, Germany.
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46
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Junglee NA, Shrikanth S, Seale JR. Rapidly progressive renal failure due to chronic lymphocytic leukemia - Response to chlorambucil. Indian J Nephrol 2012; 22:217-20. [PMID: 23087560 PMCID: PMC3459529 DOI: 10.4103/0971-4065.98766] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Chronic lymphocytic leukemia tends to follow an indolent course and despite infiltration of leukemic cells in numerous organs, resultant target organ damage is uncommon. We present a case of an 83-year-old Caucasian lady who presented with rapidly worsening renal impairment over a several month period with a serum creatinine peak of 2.82 mg/dl. Despite numerous investigations an immediate cause was not apparent. A renal biopsy was therefore conducted which revealed dense infiltration of the interstitium with small lymphocytic lymphoma. Given her age and frailty she was treated with single alkylating agent chemotherapy (chlorambucil). This resulted in a marked decrease in lymphocyte count and resolution of renal impairment close to her previous baseline level. To our knowledge, this is the first case in the literature to demonstrate a marked resolution in renal impairment with chlorambucil alone. We also highlight the value of renal biopsy in identifying a rare cause of renal impairment.
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Affiliation(s)
- N A Junglee
- Department of Nephrology, Ysbyty Gwynedd, Penrhosgarnedd, Bangor, Wales, UK
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47
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Alvarez-Rueda N, Albassier M, Allain S, Deknuydt F, Altare F, Le Pape P. First human model of in vitro Candida albicans persistence within granuloma for the reliable study of host-fungi interactions. PLoS One 2012; 7:e40185. [PMID: 22768252 PMCID: PMC3387014 DOI: 10.1371/journal.pone.0040185] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2012] [Accepted: 06/01/2012] [Indexed: 01/09/2023] Open
Abstract
Backgound The balance between human innate immune system and Candida albicans virulence signaling mechanisms ultimately dictates the outcome of fungal invasiveness and its pathology. To better understand the pathophysiology and to identify fungal virulence-associated factors in the context of persistence in humans, complex models are indispensable. Although fungal virulence factors have been extensively studied in vitro and in vivo using different immune cell subsets and cell lines, it is unclear how C. albicans survives inside complex tissue granulomas. Methodology/Principal Finding We developed an original model of in vitro human granuloma, reproducing the natural granulomatous response to C. albicans. Persistent granulomas were obtained when the ratio of phagocytes to fungi was high. This in vitro fungal granuloma mimics natural granulomas, with infected macrophages surrounded by helper and cytotoxic T lymphocytes. A small proportion of granulomas exhibited C. albicans hyphae. Histological and time-lapse analysis showed that C. albicans blastoconidia were located within the granulomas before hyphae formation. Using staining techniques, fungal load calculations, as well as confocal and scanning electron microscopy, we describe the kinetics of fungal granuloma formation. We provide the first direct evidence that C. albicans are not eliminated by immunocompetent cells inside in vitro human granulomas. In fact, after an initial candicidal period, the remaining yeast proliferate and persist under very complex immune responses. Conclusions/Significance Using an original in vitro model of human fungal granuloma, we herein present the evidence that C. albicans persist and grow into immunocompetent granulomatous structures. These results will guide us towards a better understanding of fungal invasiveness and, henceforth, will also help in the development of better strategies for its control in human physiological conditions.
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Affiliation(s)
- Nidia Alvarez-Rueda
- Département de Parasitologie et de Mycologie Médicale, Université de Nantes, Nantes Atlantique Universités, EA1155– IICiMed, Faculté de Pharmacie de Nantes, France
- * E-mail: (PLP); (NAR)
| | - Marjorie Albassier
- Département de Parasitologie et de Mycologie Médicale, Université de Nantes, Nantes Atlantique Universités, EA1155– IICiMed, Faculté de Pharmacie de Nantes, France
| | - Sophie Allain
- CRCNA, Inserm U892, CNRS 6299, Université de Nantes, Nantes, France
| | | | - Frédéric Altare
- CRCNA, Inserm U892, CNRS 6299, Université de Nantes, Nantes, France
| | - Patrice Le Pape
- Département de Parasitologie et de Mycologie Médicale, Université de Nantes, Nantes Atlantique Universités, EA1155– IICiMed, Faculté de Pharmacie de Nantes, France
- Laboratoire de Parasitologie-Mycologie, CHU de Nantes, Nantes, France
- * E-mail: (PLP); (NAR)
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48
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Fatal cryptococcal meningitis in a patient with chronic lymphocytic leukemia. Mediterr J Hematol Infect Dis 2012; 4:e2012039. [PMID: 22811788 PMCID: PMC3395708 DOI: 10.4084/mjhid.2012.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2012] [Accepted: 05/15/2012] [Indexed: 11/17/2022] Open
Abstract
Patients with chronic lymphocytic leukemia (CLL) are susceptible to infections, especially opportunistic infections. We have described a patient with CLL who had cryptococcal meningitis. Despite lack of previous immunosuppressive treatment history, the patient experienced serious and fatal fungal infection. Physicians should be alert for a diagnosis of cryptococcal meningitis in patient with CLL who developed fever and headache.
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49
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Korona-Glowniak I, Grywalska E, Chudzik B, Bojarska-Junak A, Malm A, Rolinski J. Upper respiratory tract colonization by gram-negative rods in patients with chronic lymphocytic leukemia: analysis of risk factors. ScientificWorldJournal 2012; 2012:617218. [PMID: 22606052 PMCID: PMC3346184 DOI: 10.1100/2012/617218] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Accepted: 12/13/2011] [Indexed: 11/17/2022] Open
Abstract
The aim of the study was to assess the frequency and predisposing factors of colonization of upper respiratory tract by Gram-negative rods (GNRs) in chronic lymphocytic leukemia (CLL) patients. Antimicrobial susceptibility of the isolated strains was determined. A significantly higher frequency of GNR colonization in CLL patients was observed (36.7%) in comparison to healthy volunteers (8.3%). GNR isolates mainly belonged to the Enterobacteriaceae family. Three isolates of GNR demonstrating presence of AmpC β-lactamases and one ESBL-producing strain were obtained from CLL patients. GNR colonization rate was higher among CLL patients with lower level of IgG in serum (P = 0.017), with higher number of neutrophils (P = 0.039) or higher number of lymphocytes in serum (P = 0.053). The longer the time elapsed since diagnosis, the higher the frequency of GNR colonization observed. Multivariate analysis showed importance of the Rai stage, number, and type of infections as independent predictors of GNR colonization in CLL patients.
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Incidence and dynamics of Epstein-Barr virus reactivation after alemtuzumab-based conditioning for allogeneic hematopoietic stem-cell transplantation. Transplantation 2010; 90:564-70. [PMID: 20555307 DOI: 10.1097/tp.0b013e3181e7a3bf] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Reactivation of Epstein-Barr virus (EBV) infection and posttransplant lymphoproliferative disorder (PTLD) pose a significant risk after T-cell-depleted (TCD) allogeneic hematopoietic stem-cell transplantation (HSCT). The pattern of EBV reactivation in patients receiving allogeneic HSCT, incorporating in vivo or in vitro alemtuzumab as the method of TCD, is not known. METHODS Monitoring for EBV DNA was performed by quantitative polymerase chain reaction on whole blood in 111 consecutive adults undergoing HSCT using alemtuzumab-based TCD. Patients with more than 40,000 copies/mL were screened for PTLD, followed by the withdrawal of immunosuppression and a single infusion of rituximab. RESULTS The 2-year cumulative incidence of EBV DNAemia was 40.3%. In vivo alemtuzumab was associated with earlier EBV reactivation than in vitro alemtuzumab (100-day incidence 22.7% vs. 2.8%, P=0.006). Eighteen patients (16%) had EBV DNAemia of more than 40,000 copies/mL. In evaluable patients, the initial rate of increase in EBV DNA levels was significantly faster in those who went on to treatment with rituximab than in patients who were left untreated (mean doubling time 3.5 days vs. 4.2 days, P=0.003). Rituximab treatment induced rapid declines in EBV DNA with an average half-life of 1.2+/-0.7 days. Only one patient (0.9%) had histologic confirmation of PTLD and subsequently attained a complete remission with rituximab that persists at 18 months. CONCLUSIONS Alemtuzumab-based TCD is associated with a high frequency of EBV reactivation but a low (<1%) risk of PTLD using a strategy of preemptive rituximab therapy.
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