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Cheon EJ, Oh JS. Hemolytic anemia associated with intravenous immunoglobulin in Kawasaki disease. BMC Pediatr 2024; 24:69. [PMID: 38245705 PMCID: PMC10799476 DOI: 10.1186/s12887-024-04546-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 01/09/2024] [Indexed: 01/22/2024] Open
Abstract
BACKGROUND The administration of high-dose intravenous immunoglobulin (IVIG) is a standard treatment for the management of Kawasaki disease (KD). IVIG is known to be a highly effective and safe treatment. CASE PRESENTATION We report the development of hemolytic anemia in seven children receiving repeated doses of IVIG. The children were aged 3-44 months and included 4 girls and 3 boys. All children received 10% IVIG and a second course of immunoglobulin because they did not respond to the first course of immunoglobulin. Two received high-dose aspirin (50 mg/kg), and five received low-dose aspirin (5 mg/kg). Two patients required additional methylprednisolone pulse therapy (30 mg/kg) after the second dose of immunoglobulin, and three patients received oral prednisolone therapy for defervescence. Three patients showed coronary artery dilation during hospitalization and normalized within two months. Pretreatment hemoglobin averaged 11.3-14.2 g/dL, and post-hemolytic anemia hemoglobin ranged from 7.4 to 9.6 g/dL, with a difference of 1.7-6.8 g/dL. Reticulocytes were increased to 3.3-13.2%. Peripheral blood smears showed normochromic normocytic anemia, and anisopoikilocytosis. All children were positive for warm-type antibodies with IgG+, C3d- in direct antiglobulin test, and the blood group was A + in five and B + in two. None of the patients received immunomodulatory therapy or red blood cell transfusions. They were followed for a year and all recovered. CONCLUSION Especially, in non-O blood group KD patients who are refractory to initial IVIG and require a second dose of IVIG or 10% formulation the possibility of immune hemolytic anemia should be carefully considered, and close follow-up should be maintained after therapy.
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Affiliation(s)
- Eun Jung Cheon
- Department of Pediatrics, Chungbuk National University Hospital, Cheongju-si, Chungcheongbuk-do, Republic of Korea.
| | - Jun Suk Oh
- Department of Pediatrics, Konyang University Hospital, Daejeon, Korea, Republic of Korea
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2
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Senthilkumaran S, Arathisenthil SV, Williams J, Almeida JR, Williams HF, Rajan E, Thirumalaikolundusubramanian P, Patel K, Vaiyapuri S. Neutrophil-mediated erythrophagocytosis following Russell's viper (Daboia russelii) bite. Toxicon 2023; 228:107111. [PMID: 37060927 DOI: 10.1016/j.toxicon.2023.107111] [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: 02/22/2023] [Revised: 03/27/2023] [Accepted: 04/04/2023] [Indexed: 04/17/2023]
Abstract
Snakebite envenomation is regarded as a high-priority neglected tropical disease by the World Health Organisation, as it results in significant loss of lives and permanent disabilities. Russell's viper is one of the snakes that causes morbidities, mortalities and disabilities in India. The clinical presentation of Russell's viper envenomation is characterised by local envenoming effects, tissue damage, venom-induced coagulopathy, neurotoxicity, and kidney injury. However, venom composition and its mechanisms of toxicity are highly variable even within snakes of the same species including Russell's viper. This variation in venom composition results in a broad range of clinical complications. Here we present a previously undocumented case of neutrophil-mediated erythrophagocytosis in a healthy 28-year-old female following Russell's viper bite. Systemic envenomation effects and bleeding abnormalities in this patient were corrected by the administration of polyvalent antivenom. Two days later, the patient developed progressive swelling and ecchymosis in the bitten limb. Observed abnormal limits within blood testing were followed up by a peripheral blood smear where it was found that 30% of neutrophils had phagocytosed erythrocytes as they were found within the cytoplasm. The patient underwent a fasciotomy for compartmental syndrome and received packed red cells and a course of corticosteroids. Following this treatment, the patient made a full recovery. This case report outlines a previously undocumented pathological event induced by Russell's viper envenomation, guiding diagnosis and treatment. Clinicians' knowledge of the mechanisms of toxicity of Russell's viper envenomation and its clinical manifestations are essential for improving the treatment of snakebites to achieve positive outcomes.
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Affiliation(s)
| | | | - Jarred Williams
- School of Pharmacy, University of Reading, Reading, RG6 6UB, UK
| | - José R Almeida
- School of Pharmacy, University of Reading, Reading, RG6 6UB, UK
| | - Harry F Williams
- Toxiven Biotech Private Limited, Coimbatore, 641042, Tamil Nadu, India
| | | | | | - Ketan Patel
- School of Biological Sciences, University of Reading, RG6 6UB, UK
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3
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Shokouhi S, Barati S, Kazeminia N, Jamali F, Roshan B, Sahraei Z. Evaluating the elimination status of medications used for COVID-19 during hemoperfusion and therapeutic plasma exchange: A review. Int Immunopharmacol 2021; 97:107707. [PMID: 33962224 PMCID: PMC8059942 DOI: 10.1016/j.intimp.2021.107707] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/14/2021] [Accepted: 04/19/2021] [Indexed: 11/16/2022]
Abstract
Since late 2019, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2, better known as COVID-19) has rapidly spread worldwide. The primary pathophysiology by which COVID-19 leads to severe lung damage is cytokine releasing syndrome (CRS), which can cause death. Therefore, removing cytokines via therapeutic plasma exchange or hemoperfusion could be a therapeutic approach to treat CRS. However, hemoperfusion or therapeutic plasma exchange could alter the effectiveness of concomitant medications. Thus, concomitant medication doses might need to be adjusted to prevent their elimination via therapeutic plasma exchange or hemoperfusion, thus ensuring that these medications remain effective. This narrative review investigates the elimination status of current medications used to manage COVID-19 during hemoperfusion and therapeutic plasma exchange, with a focus on their pharmacokinetic profiles.
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Affiliation(s)
- Shervin Shokouhi
- Department of Infectious Diseases and Tropical Medicine, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran 1333625445, Iran; Infectious Diseases and Tropical Medicine Research Center, Shahid Beheshti University of Medical Sciences, Tehran 1333625445, Iran
| | - Saghar Barati
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran 1996835113, Iran
| | - Neda Kazeminia
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran 1996835113, Iran
| | - Faezeh Jamali
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran 1996835113, Iran
| | - Baran Roshan
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran 1996835113, Iran
| | - Zahra Sahraei
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran 1996835113, Iran; Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran 133362544, Iran.
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4
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Ibis I, Erdur B, Erdem S, Karaman S, Gulez N, Genel F. Adverse reactions and influencing factors in children with primary immunodeficiencies receiving intravenous immunglobulin replacement. Allergol Immunopathol (Madr) 2020; 48:738-744. [PMID: 32703652 DOI: 10.1016/j.aller.2020.05.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 05/06/2020] [Accepted: 05/08/2020] [Indexed: 11/27/2022]
Abstract
OBJECTIVES We aimed to determine adverse reactions and influencing factors, within the scope of the number of patients and total infusions, in patients with primary immunodeficiencies receiving intravenous immunoglobulin (IVIG) replacement. MATERIALS AND METHODS Children with primary immunodeficiencies receiving IVIG replacement in Izmir Dr Behcet Uz Children's Hospital, between June 2014 and June 2016, were included in our study. RESULTS The total number of the patients receiving IVIG replacement was 145 (37 female, 108 male). The number of total IVIG infusions was 1214. Adverse reactions were observed in 44.8% of the patients and 14.2% of the infusions. Common variable immunodeficiency was the most common diagnosis of the patients and adverse reactions most commonly developed in this group (24.2%). In all infusions the most frequent adverse reaction was headache (7.8%); fever was the most frequent immediate side effect (3.9%), whereas headache was the most common delayed adverse effect (5.1%). By logistic regression analyses, history of adverse reaction to IVIG in previous infusions, existence of concomitant infectious disease, past or family history of atopic disease, to receive IVIG infusion at the first time, or being under 10 years old were found associated with adverse reactions. There was no correlation between the concentration of IVIG preparations and the rate of side-effect development. CONCLUSIONS In our study no severe adverse reaction to IVIG was observed, but many mild or moderate side effects occurred. Therefore, IVIG indications must be well identified. Patients, family of the patients and health care workers must be informed for adverse reactions.
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Van Anh KVY, Shah S, Tremoulet AH. Hemolysis From Intravenous Immunoglobulin in Obese Patients With Kawasaki Disease. Front Pediatr 2020; 8:146. [PMID: 32318529 PMCID: PMC7146618 DOI: 10.3389/fped.2020.00146] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 03/13/2020] [Indexed: 12/14/2022] Open
Abstract
Objective: We assessed the risk of IVIG-associated hemolytic anemia in patients with acute Kawasaki disease (KD) and evaluated the risk of weight-based dosing in our obese patients. Methods: IVIG-associated hemolytic anemia was assessed in acute KD patients treated with IVIG at Rady Children's Hospital-San Diego. Patients in whom hemolytic anemia was suspected had a decrease in z-score of their hemoglobin (zHgb) at least two standard deviations below the cohort's mean change in zHgb from baseline to 2 weeks post-IVIG treatment. These patients were further evaluated for spherocytosis, blood type, need for transfusion, red cell distribution width, reticulocytosis, and direct Coombs test. Body mass index was calculated. Results: Of the 30 IVIG-resistant KD patients who received a second dose of IVIG, 2 (6.7%) developed hemolytic anemia after a total of 4 g/kg of IVIG dosed on actual body weight, or a mean of 4.6 g/kg of IVIG based on lean body mass. Compared to 496 non-obese KD patients who received a single dose of IVIG with no cases of hemolytic anemia, two (5.6%) of 36 obese KD patients developed hemolytic anemia after a single dose of IVIG (2 g/kg) dosed on actual body weight, or a mean of 2.7 g/kg IVIG based on lean body mass. Conclusions: In addition to following patients carefully for hemolytic anemia after a second dose of IVIG, physicians should consider IVIG dosing based on lean body mass for obese patients.
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Affiliation(s)
| | - Saloni Shah
- Department of Pediatrics and Rady Children's Hospital San Diego, University of California, San Diego, La Jolla, CA, United States
| | - Adriana H Tremoulet
- Department of Pediatrics and Rady Children's Hospital San Diego, University of California, San Diego, La Jolla, CA, United States
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6
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El Helou G, Razonable RR. Safety considerations with current and emerging antiviral therapies for cytomegalovirus infection in transplantation. Expert Opin Drug Saf 2019; 18:1017-1030. [PMID: 31478398 DOI: 10.1080/14740338.2019.1662787] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Introduction: Human cytomegalovirus (HCMV) is a major contributor of morbidity and mortality, and its management is essential for the successful outcome of solid organ and hematopoietic stem cell transplantation. Areas covered: This review discusses the safety profiles of currently available and emerging antiviral drugs and the other strategies for HCMV prevention and treatment after transplantation. Expert opinion: Strategies for management of HCMV rely largely on the use of antiviral agents that inhibit viral DNA polymerase (ganciclovir/valganciclovir, foscarnet, and cidofovir/brincidofovir) and viral terminase complex (letermovir), with different types and degrees of adverse effects. An investigational agent, maribavir, exerts its anti-CMV effect through UL97 inhibition, and its safety profile is under clinical evaluation. In choosing the antiviral medication to use, it is important to consider these safety profiles in addition to overall efficacy. In addition to antiviral drugs, reduction of immunosuppression is often generally needed in the management of HCMV infection, but with a potential risk of allograft rejection or graft-versus-host disease. The use of HCMV-specific or non-specific intravenous immunoglobulins remains debated, while adoptive HCMV-specific T cell therapy remains investigational, and associated with unique set of adverse effects.
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Affiliation(s)
- Guy El Helou
- Division of Infectious Diseases, Department of Medicine, and William J von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic College of Medicine and Science , Rochester , MN , USA
| | - Raymund R Razonable
- Division of Infectious Diseases, Department of Medicine, and William J von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic College of Medicine and Science , Rochester , MN , USA
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7
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Cicha A, Fischer MB, Wesinger A, Haas S, Bauer WM, Wolf HM, Sauerwein KMT, Reininger B, Petzelbauer P, Pehamberger H, Handisurya A. Effect of intravenous immunoglobulin administration on erythrocyte and leucocyte parameters. J Eur Acad Dermatol Venereol 2017; 32:1004-1010. [PMID: 29114967 DOI: 10.1111/jdv.14671] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 10/20/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND Intravenous immunoglobulins (IVIG) are an attractive therapeutic tool for therapy of toxic epidermal necrolysis and severe forms of certain autoimmune diseases, including dermatomyositis, autoimmune blistering diseases, systemic vasculitis and lupus erythematodes. OBJECTIVES Prompted by a case of IVIG-associated haemolytic anaemia, the effects of IVIG administrations on haematological parameters in patients with dermatological conditions were investigated. METHODS Erythrocyte and leucocyte parameters were retrospectively analysed in 16 patients who had received IVIG at doses from 1 to 3 g/kg bodyweight (n = 35 cycles). The influence of IVIG on leucocyte survival was determined in vitro. RESULTS Decreased absolute erythrocyte numbers, haemoglobin and haematocrit levels and a case of haemolytic anaemia were linked to transfusion of high-, but not low-dose IVIG. In contrast, leucopenia post-IVIG occurred in the vast majority of the recipients, unrelated to the administered IVIG amounts. In vitro investigations revealed a dose-dependent impairment of cell survival by IVIG in the neutrophil and monocyte, but not in the lymphocyte subpopulations. In several IVIG preparations, substantial amounts of blood group anti-A/anti-B antibodies were detected which could have accounted for the observed changes in the haematological parameters in our study cohort. CONCLUSIONS IVIG products should be administered strictly according to indications. Commercially available IVIG products can contain blood group-specific antibodies that may induce haemolysis in some recipients. Monitoring of blood counts during applied IVIG therapy, especially when high doses are administered, is recommended.
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Affiliation(s)
- A Cicha
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - M B Fischer
- Department of Health Science and Biomedicine, Danube University Krems, Krems an der Donau, Austria.,Department of Transfusion Medicine, Medical University of Vienna, Vienna, Austria
| | - A Wesinger
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - S Haas
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - W M Bauer
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - H M Wolf
- Immunology Outpatient Clinic, Vienna, Austria.,Medical School, Sigmund Freud University Vienna, Vienna, Austria
| | | | - B Reininger
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - P Petzelbauer
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - H Pehamberger
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - A Handisurya
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
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8
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Kenniston JA, Taylor BM, Conley GP, Cosic J, Kopacz KJ, Lindberg AP, Comeau SR, Atkins K, Bullen J, TenHoor C, Adelman BA, Sexton DJ, Edwards TE, Nixon AE. Structural basis for pH-insensitive inhibition of immunoglobulin G recycling by an anti-neonatal Fc receptor antibody. J Biol Chem 2017; 292:17449-17460. [PMID: 28878017 DOI: 10.1074/jbc.m117.807396] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 08/17/2017] [Indexed: 11/06/2022] Open
Abstract
The neonatal Fc receptor FcRn plays a critical role in the trafficking of IgGs across tissue barriers and in retaining high circulating concentrations of both IgG and albumin. Although generally beneficial from an immunological perspective in maintaining IgG populations, FcRn can contribute to the pathogenesis of autoimmune disorders when an abnormal immune response targets normal biological components. We previously described a monoclonal antibody (DX-2507) that binds to FcRn with high affinity at both neutral and acidic pH, prevents the simultaneous binding of IgG, and reduces circulating IgG levels in preclinical animal models. Here, we report a 2.5 Å resolution X-ray crystal structure of an FcRn-DX-2507 Fab complex, revealing a nearly complete overlap of the IgG-Fc binding site in FcRn by complementarity-determining regions in DX-2507. This overlap explains how DX-2507 blocks IgG binding to FcRn and thereby shortens IgG half-life by preventing IgGs from recycling back into circulation. Moreover, the complex structure explains how the DX-2507 interaction is pH-insensitive unlike normal Fc interactions and how serum albumin levels are unaffected by DX-2507 binding. These structural studies could inform antibody-based therapeutic approaches for limiting the effects of IgG-mediated autoimmune disease.
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Affiliation(s)
- Jon A Kenniston
- From Shire, Lexington, Massachusetts 02421, .,Dyax Corp., Burlington, Massachusetts 01803
| | - Brandy M Taylor
- Beryllium Discovery Corp., Bainbridge Island, Washington 98110, and
| | | | | | | | | | | | - Kateri Atkins
- Beryllium Discovery Corp., Bainbridge Island, Washington 98110, and
| | - Jameson Bullen
- Beryllium Discovery Corp., Bainbridge Island, Washington 98110, and
| | | | | | | | - Thomas E Edwards
- Beryllium Discovery Corp., Bainbridge Island, Washington 98110, and
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9
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Mielke O, Fontana S, Goranova-Marinova V, Shebl A, Spycher MO, Wymann S, Durn BL, Lawo JP, Hubsch A, Salama A. Hemolysis related to intravenous immunoglobulins is dependent on the presence of anti-blood group A and B antibodies and individual susceptibility. Transfusion 2017; 57:2629-2638. [PMID: 28840942 DOI: 10.1111/trf.14289] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 06/14/2017] [Accepted: 06/25/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND Patients treated with intravenous immunoglobulins (IVIG) rarely experience symptomatic hemolysis. Although anti-A and anti-B isoagglutinins from the product are involved in most cases, the actual mechanisms triggering hemolysis are unclear. STUDY DESIGN AND METHODS A prospective, open-label, multicenter, single-arm clinical trial in 57 patients with immune thrombocytopenia treated with IVIG (Privigen, CSL Behring) was conducted. RESULTS Twenty-one patients received one infusion (1 g/kg) and 36 received two infusions (2 × 1 g/kg) of IVIG. After a study duration of more than 2 years, no cases of clinically significant hemolysis as defined in the protocol were identified. Data of patients with mild hematologic and biochemical changes were analyzed in more detail. Twelve cases (10/23 patients with blood group A1 and 2/11 patients with blood group B, all having received 2 g/kg IVIG) were adjudicated as mild hemolysis (median hemoglobin [Hb] decrease, -3.0 g/dL); Hb decreases were transient, with partial or full recovery achieved by last visit. Eighteen patients (31.6%), all with non-O blood group, of whom 16 (88.9%) received 2 g/kg IVIG, fulfilled post hoc criteria for hemolytic laboratory reactions. Red blood cell (RBC) eluates of all direct antiglobulin test-positive samples were negative for non-ABO blood group antibodies. Blood groups A and B antigen density on RBCs appeared to be a risk factor for hemolytic laboratory reactions. Platelet response to treatment was observed in 42 patients (74%); eight of 12 patients with complete response had blood group A1. CONCLUSION Isoagglutinins are involved in clinically nonsignificant hemolysis after treatment with IVIG, but individual susceptibility varies greatly.
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Affiliation(s)
| | - Stefano Fontana
- Interregional Blood Transfusion Service SRC, Bern, Switzerland
| | | | | | | | | | | | | | | | - Abdulgabar Salama
- Institut für Transfusionsmedizin, Charité-Universitätsmedizin Berlin, Berlin, Germany
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10
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Severe Hemolytic Anemia Following Intravenous Immunoglobulin in an Infant With Kawasaki Disease. J Pediatr Hematol Oncol 2017; 39:e100-e102. [PMID: 27879540 DOI: 10.1097/mph.0000000000000704] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Severe hemolytic anemia (HA) is an uncommon adverse reaction of intravenous immunoglobulin (IVIg) administration. Previous reports assume that antibodies contained in IVIg preparations are the cause of hemolysis. We report a 10-month-old infant with Kawasaki disease who was treated with high-dose IVIg and developed severe HA. The patient's Rh blood type was D+C+c+E-e+. He developed anti-C and anti-e antibodies following treatment with IVIg, and, after considering all possible causes of hemolysis, we concluded that this was a case of autoimmune HA induced by immunoglobulin treatment. The hyperinflammatory condition associated with Kawasaki disease may have contributed to the severity of anemia.
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11
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Chuluundorj D, Harding SA, Abernethy D, La Flamme AC. Glatiramer acetate treatment normalized the monocyte activation profile in MS patients to that of healthy controls. Immunol Cell Biol 2016; 95:297-305. [PMID: 27694998 DOI: 10.1038/icb.2016.99] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 09/27/2016] [Accepted: 09/27/2016] [Indexed: 01/16/2023]
Abstract
Multiple sclerosis (MS) is an immune-mediated disease of the central nervous system, and monocytes contribute to MS-associated neuroinflammation. While classically activated monocytes promote inflammation, type II-activated monocytes improve the course of MS. This study investigated type II activation of monocytes and their two main subsets, namely CD14+ (CD14++CD16- subset) and CD16+ monocytes (CD14+CD16+ subset), by glatiramer acetate (GA) or intravenous immunoglobulin-associated immune complexes (IC), both of which are known MS treatments. Total monocytes and subsets were isolated from peripheral blood mononuclear cells (PBMC) of healthy controls, untreated MS patients (MS) and GA-treated MS patients (GA-MS). In contrast to the more activated ex vivo profile of monocytes from the MS group, monocytes from the GA-MS group resembled those from healthy controls. In vitro type II activation with GA primarily reduced CD40, CD86 and IL-12p40 whereas type II activation with IC consistently reduced CD40 but increased interleukin-10 (IL-10), suggesting that the GA and IC activation pathways are distinct. Moreover, while GA treatment reduced IL-12p40 by both CD14+ and CD16+ subsets, IC treatment only enhanced IL-10 by the CD16+ subset. Further analysis of the CD16+ subset revealed that MS patients had a greatly expanded CD14+CD16int population while both CD14+CD16int and CD14lowCD16high monocyte populations were expanded in GA-MS patients. Finally, a global analysis of the ex vivo monocyte data indicated that GA treatment distinctly altered the monocyte profile of MS patients, further supporting the idea that GA directly targets monocytes.
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Affiliation(s)
| | - Scott A Harding
- School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand.,Cardiology Department, Wellington Regional Hospital, Wellington, New Zealand
| | - David Abernethy
- Cardiology Department, Wellington Regional Hospital, Wellington, New Zealand
| | - Anne Camille La Flamme
- School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand.,Malaghan Institute of Medical Research, Wellington, New Zealand
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12
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Sialylated intravenous immunoglobulin suppress anti-ganglioside antibody mediated nerve injury. Exp Neurol 2016; 282:49-55. [PMID: 27208700 DOI: 10.1016/j.expneurol.2016.05.020] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 05/16/2016] [Accepted: 05/17/2016] [Indexed: 11/23/2022]
Abstract
The precise mechanisms underlying the efficacy of intravenous immunoglobulin (IVIg) in autoimmune neurological disorders including Guillain-Barré syndrome (GBS) are not known. Anti-ganglioside antibodies have been reported to be pathogenic in some variants of GBS, and we have developed passive transfer animal models to study anti-ganglioside antibody mediated-endoneurial inflammation and associated neuropathological effects and to evaluate the efficacy of new therapeutic approaches. Some studies indicate that IVIg's anti-inflammatory activity resides in a minor sialylated IVIg (sIVIg) fractions and is dependent on an innate Th2 response via binding to a specific ICAM3-grabbing nonintegrin related 1 receptor (SIGN-R1). Therefore the efficacy of IVIg, IVIg fractions with various IgG Fc sialylation status, and the involvement of Th2 pathway were examined in one of our animal model of antibody-mediated inhibition of axonal regeneration. We demonstrate that both IVIg and sIVIg ameliorated anti-glycan antibody mediated-pathological effect, whereas, the unsialylated fractions of IVIg were not beneficial in our model. Tenfold lower doses of sIVIg compared to whole IVIg provided equivalent efficacy in our studies. Moreover, we found that whole IVIg and sIVIg significantly upregulates the gene expression of IL-33, which itself can provide protection from antibody-mediated nerve injury in our model. Our results support that the SIGN-R1-Th2 pathway is involved in the anti-inflammatory effects of IVIg on endoneurium in our model and elements of this pathway including IL-33 can provide novel therapeutics in inflammatory neuropathies.
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13
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Pulvirenti F, Granata G, Girelli G, Quinti I. Immunoglobulin-induced hemolysis, splenomegaly and inflammation in patients with antibody deficiencies. Expert Rev Clin Immunol 2016; 12:725-31. [PMID: 26854522 DOI: 10.1586/1744666x.2016.1151787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
IgG replacement for primary antibody deficiencies is a safe treatment administered to prevent recurrent infections and reduce mortality. Recently, several reports described acute hemolytic episodes following IgG administration due to a passive transfer of blood group alloantibodies, including anti-A, anti-B, as well as anti-Rh antibodies. Here, we reviewed and discussed the consequences of passively transferred RBCs antibodies. The chronic passive transfer of alloantibodies might also cause a subclinical condition due to a compensated extravascular chronic hemolysis with poorly understood consequences. This phenomenon might possibly represent an unrecognized cause of splenomegaly and might contribute to inflammation in patients with primary antibody deficiencies.
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Affiliation(s)
- Federica Pulvirenti
- a Centre for Primary Immune Deficiencies, Department of Molecular Medicine , Sapienza University of Rome , Rome , Italy
| | - Guido Granata
- a Centre for Primary Immune Deficiencies, Department of Molecular Medicine , Sapienza University of Rome , Rome , Italy
| | - Gabriella Girelli
- b Unit of Immunohematology and Transfusion Medicine , Sapienza University of Rome , Rome , Italy
| | - Isabella Quinti
- a Centre for Primary Immune Deficiencies, Department of Molecular Medicine , Sapienza University of Rome , Rome , Italy
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14
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Zimring JC. Do immune complexes play a role in hemolytic sequelae of intravenous immune globulin? Transfusion 2015; 55 Suppl 2:S86-9. [PMID: 26174903 DOI: 10.1111/trf.13158] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 04/04/2015] [Accepted: 04/09/2015] [Indexed: 12/20/2022]
Abstract
Intravenous immune globulin (IVIG) was developed initially as an immunoglobulin replacement therapy for primary humoral immunodeficiency, but is now widely used in the treatment of autoinflammatory and autoimmune pathologies. In a small number of patients, hemolytic sequelae have been observed after IVIG administration. The lack of a simple one-to-one correlation between measurable hemagglutinins and hemolysis has led to complicated hypotheses involving coincident necessary variables (e.g., a two-hit hypothesis) and also to the positing of causal factors other than hemagglutinins. One such hypothesis is that immune complexes (ICs) contained within IVIG lead to hemolysis. IVIG-mediated hemolysis was addressed at a recent meeting sponsored by the Food and Drug Administration; the Plasma Protein Therapeutics Association; and the National Heart, Lung, and Blood Institute. The primary literature was reviewed at this meeting followed by detailed discussion. Participants concluded that there is both a theoretical basis by which ICs could contribute to hemolysis after IVIG administration and some published data in support of such a possibility. However, the reported data contain substantial caveats, and the existing evidence does not rise to a level sufficient to either confirm or reject a role for ICs. More detailed and focused human studies will be required to further assess the potential role of ICs in IVIG induced hemolysis. This paper summarizes the relevant literature and expands upon the conclusions of this workshop.
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Affiliation(s)
- James C Zimring
- Bloodworks NW Research Institute and the Department of Laboratory Medicine and the Department of Medicine, Division of Hematology, University of Washington School of Medicine, Seattle, Washington
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Späth PJ, Granata G, La Marra F, Kuijpers TW, Quinti I. On the dark side of therapies with immunoglobulin concentrates: the adverse events. Front Immunol 2015; 6:11. [PMID: 25699039 PMCID: PMC4318428 DOI: 10.3389/fimmu.2015.00011] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Accepted: 01/07/2015] [Indexed: 12/26/2022] Open
Abstract
Therapy by human immunoglobulin G (IgG) concentrates is a success story ongoing for decades with an ever increasing demand for this plasma product. The success of IgG concentrates on a clinical level is documented by the slowly increasing number of registered indication and the more rapid increase of the off-label uses, a topic dealt with in another contribution to this special issue of Frontiers in Immunology. A part of the success is the adverse event (AE) profile of IgG concentrates which is, even at life-long need for therapy, excellent. Transmission of pathogens in the last decade could be entirely controlled through the antecedent introduction by authorities of a regulatory network and installing quality standards by the plasma fractionation industry. The cornerstone of the regulatory network is current good manufacturing practice. Non-infectious AEs occur rarely and mainly are mild to moderate. However, in recent times, the increase in frequency of hemolytic and thrombotic AEs raised worrying questions on the possible background for these AEs. Below, we review elements of non-infectious AEs, and particularly focus on hemolysis and thrombosis. We discuss how the introduction of plasma fractionation by ion-exchange chromatography and polishing by immunoaffinity chromatographic steps might alter repertoire of specificities and influence AE profiles and efficacy of IgG concentrates.
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Affiliation(s)
- Peter J. Späth
- Institute of Pharmacology, University of Berne, Berne, Switzerland
| | - Guido Granata
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Fabiola La Marra
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Taco W. Kuijpers
- Department of Pediatric Hematology, Immunology and Infectious Disease, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Isabella Quinti
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
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Quinti I, Pulvirenti F, Milito C, Granata G, Giovannetti G, La Marra F, Pesce AM, Farrugia A, Coluzzi S, Girelli G. Hemolysis in patients with antibody deficiencies on immunoglobulin replacement treatment. Transfusion 2014; 55:1067-74. [PMID: 25532440 DOI: 10.1111/trf.12939] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Revised: 09/29/2014] [Accepted: 10/03/2014] [Indexed: 12/23/2022]
Abstract
BACKGROUND Immunoglobulin (Ig)G replacement with intravenous or subcutaneous immunoglobulins is a lifelong substitutive therapy in patients with primary antibody deficiencies (PADs). Hemolysis after immunoglobulin therapy was described in patients receiving high immunoglobulin dosages. The issue of hemolysis after immunoglobulin administration at replacement doses has been considered of little clinical significance. STUDY DESIGN AND METHODS This was a single-center observational study over a 2-year period on immunoglobulin-induced hemolysis in a cohort of 162 patients with PADs treated with immunoglobulin administered at replacement dosages. RESULTS Six patients had signs and symptoms of immunoglobulin-induced hemolysis. Two additional asymptomatic patients were identified by a short-term study run on 16 randomly selected asymptomatic patients. Alloantibodies eluted from patients' red blood cells (RBCs) had anti-A and Rh specificities (anti-D and anti-C). The immunoglobulins contained alloantibodies with the same specificities of the antibodies eluted from patients' RBCs. CONCLUSION Hemolysis occurred in patients receiving immunoglobulin at replacement dosages. Polyvalent immunoglobulin preparations contained multiple clinically significant antibodies that could have unexpected hemolytic consequences, as anti-C whose research and titration are not required by the European Pharmacopoeia. The issue of hemolysis in long-term recipients of immunoglobulin treatment administered at replacement dosages should be more widely recognized.
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Affiliation(s)
- Isabella Quinti
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | | | - Cinzia Milito
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Guido Granata
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Gianluca Giovannetti
- Unit of Immunohematology and Transfusion Medicine, Sapienza University of Rome, Rome, Italy
| | - Fabiola La Marra
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Anna M Pesce
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Albert Farrugia
- Plasma Protein Therapeutics Association, Annapolis, Maryland.,School of Surgery, University of Western Australia, Crawley, Western Australia, Australia.,School of Medicine, Australian National University, Canberra, Australia
| | - Serelina Coluzzi
- Unit of Immunohematology and Transfusion Medicine, Sapienza University of Rome, Rome, Italy
| | - Gabriella Girelli
- Unit of Immunohematology and Transfusion Medicine, Sapienza University of Rome, Rome, Italy
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Ward ES, Velmurugan R, Ober RJ. Targeting FcRn for therapy: from live cell imaging to in vivo studies in mice. Immunol Lett 2014; 160:158-62. [PMID: 24572175 DOI: 10.1016/j.imlet.2014.02.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Revised: 02/13/2014] [Accepted: 02/14/2014] [Indexed: 12/18/2022]
Abstract
The role of FcRn in regulating antibody levels and transport in the body is well documented. The use of fluorescence microscopy to investigate the subcellular trafficking behavior of FcRn and its IgG ligand has led to insight into the function of this receptor, including the identification of new intracellular pathways. The inhibition of FcRn using engineered antibodies that bind to this receptor with increased affinity through their Fc region can be exploited to treat antibody mediated autoimmunity. The efficacy of this approach in mouse models of arthritis and multiple sclerosis has been demonstrated. Finally, the cross-species difference between mouse and man for FcRn-IgG interactions needs to be considered when engineering antibodies for improved activities in FcRn-mediated functions.
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Affiliation(s)
- E Sally Ward
- Department of Immunology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA.
| | - Ramraj Velmurugan
- Department of Immunology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA; Biomedical Engineering Graduate Program, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas TX 75390, USA.
| | - Raimund J Ober
- Department of Immunology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA; Department of Electrical Engineering, University of Texas at Dallas, Richardson, TX 75080, USA.
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Everds NE, Tarrant JM. Unexpected hematologic effects of biotherapeutics in nonclinical species and in humans. Toxicol Pathol 2013; 41:280-302. [PMID: 23471185 DOI: 10.1177/0192623312467400] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Biotherapeutics are expanding the arsenal of therapeutics available for treating and preventing disease. Although initially thought to have limited side effects due to the specificity of their binding, these drugs have now been shown to have potential for adverse drug reactions including effects on peripheral blood cell counts or function. Hematotoxicity caused by a biotherapeutic can be directly related to the activity of the biotherapeutic or can be indirect and due to autoimmunity, biological cascades, antidrug antibodies, or other immune system responses. Biotherapeutics can cause hematotoxicity primarily as a result of cellular activation, cytotoxicity, drug-dependent and independent immune responses, and sequelae from initiating cytokine and complement cascades. The underlying pathogenesis of biotherapeutic-induced hematotoxicity often is poorly understood. Nonclinical studies have generally predicted clinical hematotoxicity for recombinant cytokines and growth factors. However, most hematologic liabilities of biotherapeutics are not based on drug class but are species specific, immune-mediated, and of low incidence. Despite the potential for unexpected hematologic toxicity, the risk-benefit profile of most biotherapeutics is favorable; hematologic effects are readily monitorable and managed by dose modification, drug withdrawal, and/or therapeutic intervention. This article reviews examples of biotherapeutics that have unexpected hematotoxicity in nonclinical or clinical studies.
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Michelis FV, Branch DR, Scovell I, Bloch E, Pendergrast J, Lipton JH, Cserti-Gazdewich CM. Acute hemolysis after intravenous immunoglobulin amid host factors of ABO-mismatched bone marrow transplantation, inflammation, and activated mononuclear phagocytes. Transfusion 2013; 54:681-90. [DOI: 10.1111/trf.12329] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Revised: 05/03/2013] [Accepted: 05/22/2013] [Indexed: 01/25/2023]
Affiliation(s)
- Fotios V. Michelis
- Blood and Marrow Transplant Program; Princess Margaret Hospital; University Health Network; Toronto Ontario Canada
- Research & Development; Canadian Blood Services; Toronto Ontario Canada
- Transfusion Medicine Laboratory; University Health Network; University of Toronto; Toronto Ontario Canada
| | - Donald R. Branch
- Blood and Marrow Transplant Program; Princess Margaret Hospital; University Health Network; Toronto Ontario Canada
- Research & Development; Canadian Blood Services; Toronto Ontario Canada
- Transfusion Medicine Laboratory; University Health Network; University of Toronto; Toronto Ontario Canada
| | - Iain Scovell
- Blood and Marrow Transplant Program; Princess Margaret Hospital; University Health Network; Toronto Ontario Canada
- Research & Development; Canadian Blood Services; Toronto Ontario Canada
- Transfusion Medicine Laboratory; University Health Network; University of Toronto; Toronto Ontario Canada
| | - Evgenia Bloch
- Blood and Marrow Transplant Program; Princess Margaret Hospital; University Health Network; Toronto Ontario Canada
- Research & Development; Canadian Blood Services; Toronto Ontario Canada
- Transfusion Medicine Laboratory; University Health Network; University of Toronto; Toronto Ontario Canada
| | - Jacob Pendergrast
- Blood and Marrow Transplant Program; Princess Margaret Hospital; University Health Network; Toronto Ontario Canada
- Research & Development; Canadian Blood Services; Toronto Ontario Canada
- Transfusion Medicine Laboratory; University Health Network; University of Toronto; Toronto Ontario Canada
| | - Jeffrey H. Lipton
- Blood and Marrow Transplant Program; Princess Margaret Hospital; University Health Network; Toronto Ontario Canada
- Research & Development; Canadian Blood Services; Toronto Ontario Canada
- Transfusion Medicine Laboratory; University Health Network; University of Toronto; Toronto Ontario Canada
| | - Christine M. Cserti-Gazdewich
- Blood and Marrow Transplant Program; Princess Margaret Hospital; University Health Network; Toronto Ontario Canada
- Research & Development; Canadian Blood Services; Toronto Ontario Canada
- Transfusion Medicine Laboratory; University Health Network; University of Toronto; Toronto Ontario Canada
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20
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Loeffler DA. Intravenous immunoglobulin and Alzheimer's disease: what now? J Neuroinflammation 2013; 10:70. [PMID: 23735288 PMCID: PMC3720252 DOI: 10.1186/1742-2094-10-70] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2012] [Accepted: 05/24/2013] [Indexed: 01/12/2023] Open
Abstract
Intravenous immunoglobulin (IVIG) products are prepared from purified plasma immunoglobulins from large numbers of healthy donors. Pilot studies with the IVIG preparations Octagam and Gammagard in individuals with mild-to-moderate Alzheimer’s disease (AD) suggested stabilization of cognitive functioning in these patients, and a phase II trial with Gammagard reported similar findings. However, subsequent reports from Octagam’s phase II trial and Gammagard’s phase III trial found no evidence for slowing of AD progression. Although these recent disappointing results have reduced enthusiasm for IVIG as a possible treatment for AD, it is premature to draw final conclusions; a phase III AD trial with the IVIG product Flebogamma is still in progress. IVIG was the first attempt to use multiple antibodies to treat AD. This approach should be preferable to administration of single monoclonal antibodies in view of the multiple processes that are thought to contribute to AD neuropathology. Development of “AD-specific” preparations with higher concentrations of selected human antibodies and perhaps modified in other ways (such as increasing their anti-inflammatory effects and/or ability to cross the blood–brain barrier) should be considered. Such preparations, if generated with recombinant technology, could overcome the problems of high cost and limited supplies, which have been major concerns relating to the possible widespread use of IVIG in AD patients. This review summarizes the recent AD IVIG trials and discusses the major issues relating to possible use of IVIG for treating AD, as well as the critical questions which remain.
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Affiliation(s)
- David A Loeffler
- Department of Neurology Research, William Beaumont Hospital Research Institute, Beaumont Health System, 3811 West Thirteen Mile Road, Royal Oak, MI 48073, USA.
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Berard R, Whittemore B, Scuccimarri R. Hemolytic anemia following intravenous immunoglobulin therapy in patients treated for Kawasaki disease: a report of 4 cases. Pediatr Rheumatol Online J 2012; 10:10. [PMID: 22507284 PMCID: PMC3353234 DOI: 10.1186/1546-0096-10-10] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Accepted: 04/16/2012] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Hemolytic anemia is a rare but reported side effect of intravenous immunoglobulin (IVIG) therapy. The risk of significant hemolysis appears greater in those patients who receive high dose IVIG. The etiology is multifactorial but may relate to the quantity of blood group antibodies administered via the IVIG product. FINDINGS We describe 4 patients with significant hemolytic anemia following treatment with IVIG for Kawasaki disease (KD). Direct antibody mediated attack as one of the mechanisms for hemolysis, in this population, is supported by the demonstration of specific blood group antibodies in addition to a positive direct antiglobulin test in our patients. CONCLUSIONS Clinicians should be aware of this complication and hemoglobin should be closely monitored following high dose IVIG therapy.
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Affiliation(s)
- Roberta Berard
- Department of Pediatrics, Division of Rheumatology, Montreal Children's Hospital, McGill University Health Centre, 2300 Tupper Street, Montreal, Quebec H3H 1P3, Canada.
| | - Blair Whittemore
- Department of Pediatrics, Division of Hematology/Oncology, Montreal Children's Hospital, McGill University Health Centre, 2300 Tupper Street, Montreal, Quebec H3H 1P3, Canada
| | - Rosie Scuccimarri
- Department of Pediatrics, Division of Rheumatology, Montreal Children's Hospital, McGill University Health Centre, 2300 Tupper Street, Montreal, Quebec H3H 1P3, Canada
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22
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Padmore RF. Hemolysis upon intravenous immunoglobulin transfusion. Transfus Apher Sci 2011; 46:93-6. [PMID: 22169381 DOI: 10.1016/j.transci.2011.11.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2011] [Accepted: 11/16/2011] [Indexed: 10/14/2022]
Abstract
Intravenous immunoglobulin (IVIG) is a mainstay of therapy in many disorders. An uncommon adverse side effect is IVIG-related hemolysis. Risk factors for IVIG-related hemolysis have been identified, including high dose IVIG given to non-O blood group recipients with an underlying inflammatory state. IVIG-related hemolysis has been linked to anti-A and anti-B hemagglutinins in the IVIG preparations and may involve both IgG and complement mediated hemolysis. A two-hit mechanism with threshold effect is proposed for IVIG-related hemolysis. Strategies exist to minimize or avoid IVIG-related hemolysis.
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Affiliation(s)
- Ruth F Padmore
- The Ottawa Hospital, General Campus, 501 Smyth Road, Ottawa, ON, Canada K1H 8L6.
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Patel DA, Puig-Canto A, Challa DK, Perez Montoyo H, Ober RJ, Ward ES. Neonatal Fc receptor blockade by Fc engineering ameliorates arthritis in a murine model. THE JOURNAL OF IMMUNOLOGY 2011; 187:1015-22. [PMID: 21690327 DOI: 10.4049/jimmunol.1003780] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Multiple autoimmune diseases are characterized by the involvement of autoreactive Abs in pathogenesis. Problems associated with existing therapeutics such as the delivery of intravenous immunoglobulin have led to interest in developing alternative approaches using recombinant or synthetic methods. Toward this aim, in the current study, we demonstrate that the use of Fc-engineered Abs (Abs that enhance IgG degradation [Abdegs]) to block neonatal FcR (FcRn) through high-affinity, Fc region binding is an effective strategy for the treatment of Ab-mediated disease. Specifically, Abdegs can be used at low, single doses to treat disease in the K/B×N serum transfer model of arthritis using BALB/c mice as recipients. Similar therapeutic effects are induced by 25- to 50-fold higher doses of i.v. Ig. Importantly, we show that FcRn blockade is a primary contributing factor toward the observed reduction in disease severity. The levels of albumin, which is also recycled by FcRn, are not affected by Abdeg delivery. Consequently, Abdegs do not alter FcRn expression levels or subcellular trafficking behavior. The engineering of Ab Fc regions to generate potent FcRn blockers therefore holds promise for the therapy of Ab-mediated autoimmunity.
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Affiliation(s)
- Dipesh A Patel
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9093, USA
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Gürcan HM, Keskin DB, Ahmed AR. Information for healthcare providers on general features of IGIV with emphasis on differences between commercially available products. Autoimmun Rev 2010; 9:553-9. [PMID: 20346419 DOI: 10.1016/j.autrev.2010.03.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2010] [Accepted: 03/17/2010] [Indexed: 01/24/2023]
Abstract
OBJECTIVE Intravenous immunoglobulin (IGIV) has provided an essential replacement therapy for primary and secondary immunodeficiencies patients and prophylaxis of infectious diseases in them. It is also used in several autoimmune and chronic inflammatory disorders. An overview of IGIV with information on several commercially available IGIV products is discussed. DATA SOURCES Medline databases and literature provided by the manufacturer for each product presented in the manuscript. STUDY SELECTION From the vast body of information on IGIV, only those studies were selected that were pertinent to general features of IGIV (as presented below) or information provided by the manufacturer that facilitated comparing one product to the other. DATA EXTRACTION Data was extracted on production, and purification procedures, removal of infectious agents, physical and biochemical properties and issues of safety. Data was extracted only for products available in the US. DATA SYNTHESIS IGIV is prepared using pooled plasma. The purification of IGIV is a complex and multi-step process. There is a reciprocal relationship between the purity of IgG in the product and the recovery rate from the total plasma. It is quite possible that some of the biological mediators of the inflammatory and immune systems may be present in trace amounts. Screening and removal of blood borne pathogens is necessary and there are several different techniques available. The specifics of the administration are often variable and no consistent pattern or protocol has been used. When limited dosages are required IGIV may be administered subcutaneously. The side effects associated with IGIV are usually mild and self-limiting. CONCLUSION There are differences in products produced by different manufacturers. The current data does not provide sufficient detail or information to be able to make specific recommendations for the use of a given commercial preparation in a specific disease state. The use of IGIV is associated with certain common and uncommon side effects. The identification of risk factors that might predispose a patient to developing them have been studied and reported. In choosing a IGIV preparation the user may avoid features that may predispose to certain side effects. Equally important is monitoring of patients during and after the IGIV therapy.
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Affiliation(s)
- Hakan M Gürcan
- Center for Blistering Diseases, Department of Medicine, New England Baptist Hospital, Boston, MA 02120, USA
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25
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Mignogna MD, Leuci S, Fedele S, Ruoppo E, Adamo D, Russo G, Pagliuca R. Adjuvant high-dose intravenous immunoglobulin therapy can be easily and safely introduced as an alternative treatment in patients with severe pemphigus vulgaris: a retrospective preliminary study. Am J Clin Dermatol 2008; 9:323-31. [PMID: 18717608 DOI: 10.2165/00128071-200809050-00007] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
BACKGROUND Long-term corticosteroid therapy, often in association with other immunosuppressive agents, is considered the mainstay of pemphigus vulgaris (PV) therapy. Recent evidence has been changing this paradigm as patients who are non-responsive to conventional therapies or who experience severe adverse effects have been successfully treated with high-dose intravenous immunoglobulin (IVIg). However, the shift from conventional therapies to IVIg represents a major challenge in the daily practice of non-experienced clinicians because of potential adverse effects and other issues relevant to IVIg therapy such as the necessity for premedication, selection of cases, modality of infusion, patient monitoring, and the cost and length of hospital stay. OBJECTIVE The purpose of this preliminary study was to evaluate and report outcomes of treatment with IVIg in eight selected PV patients meeting clearly defined criteria for initiation of this therapy. METHODS Available guidelines for IVIg therapy in patients with autoimmune mucocutaneous blistering diseases were followed. Clinical response, induction and duration of remission, strategies for prevention of adverse effects, and total days of hospital stay in eight patients with severe PV treated with IVIg were retrospectively evaluated. RESULTS All patients had an effective clinical response without adverse reactions, leading to a significant corticosteroid-sparing effect. CONCLUSION Our results indicate that, when current guidelines are followed, IVIg therapy can be easily and safely introduced as a treatment alternative in patients with severe PV. Careful monitoring of patients, utilization of a multidisciplinary approach, and evaluation of hospital-related issues can help the non-experienced clinician successfully manage patients with severe PV requiring IVIg therapy.
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Affiliation(s)
- Michele Davide Mignogna
- Section of Oral Medicine, Department of Odontostomatological and Maxillofacial Sciences, University of Naples Federico II, Naples, Italy
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26
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León G, Rodríguez MA, Rucavado A, Lomonte B, Gutiérrez JM. Anti-human erythrocyte antibodies in horse-derived antivenoms used in the treatment of snakebite envenomations. Biologicals 2007; 35:5-11. [PMID: 16490363 DOI: 10.1016/j.biologicals.2005.11.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2005] [Revised: 11/28/2005] [Accepted: 11/30/2005] [Indexed: 11/17/2022] Open
Abstract
This work examined the presence of antibodies reacting with human erythrocytes in horse-derived antivenoms used in the treatment of snakebite envenomations, and assessed the efficacy of various fractionation protocols in the elimination of agglutinating antibodies. A number of antivenoms produced by various fractionation protocols were tested for direct agglutination of human erythrocytes. Reactions were observed visually and microscopically, and an indirect anti-equine globulin test was also used. In addition, rabbits and mice were injected intravenously with antivenoms to observe possible intravascular hemolysis and erythrocyte sequestration. All tested antivenoms agglutinated human erythrocytes, albeit to different extent, and also gave a positive anti-globulin test. Agglutination was due to IgG(T) subclass of antibodies. Pepsin digestion of horse IgG, to obtain F(ab')(2) fragments, reduced the direct agglutination, but not the indirect anti-globulin test. Ion-exchange chromatography of IgG in a strongly basic quaternary ammonium cellulose membrane abrogated direct agglutination and reduced the indirect anti-globulin test. Binding of antivenom antibodies to erythrocytes in vivo was demonstrated in rabbits, although there was no evidence of intravascular hemolysis or erythrocyte sequestration in rabbits and mice. It is concluded that anti-human erythrocyte antibodies are present in horse-derived antivenoms, and that fractionation of horse plasma by pepsin digestion, and especially by anion-exchange chromatography, reduces the titer of these antibodies. Our in vivo experimental results do not support a role for these antibodies in early adverse reactions occurring after antivenom administration.
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Affiliation(s)
- Guillermo León
- Instituto Clodomiro Picado, Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica
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27
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Mignogna MD, Fortuna G, Ruoppo E, Adamo D, Leuci S, Fedele S. Variations in serum hemoglobin, albumin, and electrolytes in patients receiving intravenous immunoglobulin therapy: a real clinical threat? Am J Clin Dermatol 2007; 8:291-9. [PMID: 17902731 DOI: 10.2165/00128071-200708050-00004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
BACKGROUND AND OBJECTIVE Intravenous immunoglobulin (IVIg) is a solution of globulins containing antibodies derived from pooled human plasma of donors and used in the treatment of a number of immune deficiencies and autoimmune diseases. However, several investigators have reported biochemical alterations with use of IVIg. The objective of this study was to evaluate the effects of IVIg therapy on selected biochemical and hematologic parameters in patients with autoimmune mucocutaneous blistering diseases (AMBDs). METHODS In this preliminary clinical study, ten patients with AMBDs (seven with pemphigus vulgaris and three with mucous membrane pemphigoid) received 133 cycles of IVIg for a total of 399 infusions. We evaluated the effects of IVIg therapy on serum hemoglobin (Hb), albumin, and electrolyte levels, including sodium (Na+), potassium (K+), chloride (Cl-) and calcium (Ca2+). Values of these parameters were measured 24 hours before, during, and 24 hours and 4 weeks after the 3-day infusion period. RESULTS The observed variations in serum electrolyte levels were physiologically and clinically negligible. Furthermore, 24 hours after the last infusion, mean electrolyte values had spontaneously returned to normal levels without the need for additional supplementation: Na+ 137.59+/-1.42 mmol/L (p=0.6091 vs baseline); K+ 3.97+/-0.5 mmol/L (p=0.2689); Cl- 103.4+/-2.69 mmol/L (p=0.0388); and Ca2+ 9.07+/-0.44 mg/dL (p=0.5332). Conversely, significant variations in mean Hb and albumin levels were observed. When measured 24 hours after the last infusion, mild/moderate decreases in Hb (11.62+/-2.12 g/dL; p=0.009 vs baseline) and/or albumin (mean 3.14+/-0.24 g/dL; p=0.0016 vs baseline) were evident. Such changes may, albeit very rarely, be of sufficient clinical significance in individual patients as to necessitate additional treatment. CONCLUSION In patients receiving intravenous IVIg for AMBDs, electrolyte values should be monitored but do not represent a real clinical threat. Hemoglobin and albumin values may be altered sufficiently to require additional treatment but this is a very rare occurrence. These findings confirm and extend previous reports of the safety of IVIg therapy.
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Affiliation(s)
- Michele D Mignogna
- Section of Oral Medicine, Department of Odontostomatological and Maxillofacial Sciences, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy.
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Orbach H, Katz U, Sherer Y, Shoenfeld Y. Intravenous immunoglobulin: adverse effects and safe administration. Clin Rev Allergy Immunol 2006; 29:173-84. [PMID: 16391392 DOI: 10.1385/criai:29:3:173] [Citation(s) in RCA: 233] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Intravenous immunoglobulin (IVIg) is administered for various indications and generally considered a safe therapy. Most of the adverse effects (AEs) associated with IVIg administration are mild and transient. The immediate AEs include headache, flushing, malaise, chest tightness, fever, chills, myalgia, fatigue, dyspnea, back pain, nausea, vomiting, diarrhea, blood pressure changes, tachycardia, and anaphylactic reactions, especially in IgA-deficient patients. Late AEs are rare and include acute renal failure, thromboembolic events, aseptic meningitis, neutropenia, and autoimmune hemolytic anemia, skin reactions, and rare events of arthritis. Pseudohyponatremia following IVIg is important to be recognized. Renal failure, usually oliguric and transient, occurs mostly on using sucrose-containing products owing to osmotic injury. Among high-risk patients who have a previous renal disease, dehydration, diabetes mellitus, advanced age, hypertension, hyperviscosity, or are treated by other nephrotoxic medications, administration of a non-sucrose-containing IVIg product after accomplishing hydration, in a low concentration and a slow infusion rate while supervising urine output and kidney function, is recommended. Thromboembolic complications occur because of hyperviscosity especially in patients having risk factors including advanced age, previous thromboembolic diseases, being bedridden, diabetes mellitus, hypertension, dyslipidemia, or those receiving high-dose IVIg in a rapid infusion rate. Immediate AEs can be treated by the slowing or temporary discontinuation of the infusion and symptomatic therapy with analgesics, nonsteroidal anti-inflammatory drugs, antihistamines, and glucocorticoids in more severe reactions. Slow infusion rate of low concentration of IVIg products and hydration, especially in high-risk patients, may prevent renal failure, thromboembolic events, and aseptic meningitis.
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Affiliation(s)
- Hedi Orbach
- Department of Medicine B, Wolfson Medical Center, Holon, Israel
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Krol M, Roterman I, Drozd A, Konieczny L, Piekarska B, Rybarska J, Spolnik P, Stopa B. The increased flexibility of CDR loops generated in antibodies by Congo red complexation favors antigen binding. J Biomol Struct Dyn 2006; 23:407-16. [PMID: 16363876 DOI: 10.1080/07391102.2006.10531235] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
The dye Congo red and related self-assembling compounds were found to stabilize immune complexes by binding to antibodies currently engaged in complexation to antigen. In our simulations, it was shown that the site that becomes accessible for binding the supramolecular dye ligand is located in the V domain, and is normally occupied by the N-terminal polypeptide chain fragment. The binding of the ligand disrupts the beta-structure in the domain, increasing the plasticity of the antigen-binding site. The higher fluctuation of CDR-bearing loops enhances antigen binding, and allows even low-affinity antibodies to be engaged in immune complexes. Experimental observations of the enhancement effect were supported by theoretical studies using L lambda chain (4BJL-PDB identification) and the L chain from the complex of IgM-rheumatoid factor bound to the CH3 domain of the Fc fragment (1ADQ-PDB identification) as the initial structures for theoretical studies of dye-induced changes. Commercial IgM-type rheumatoid factor (human) and sheep red blood cells with coupled IgG (human) were used for experimental tests aimed to reveal the dye-enhancement effect in this system. The specificity of antigen-antibody interaction enhanced by dye binding was studied using rabbit anti-sheep red cell antibodies to agglutinate red cells of different species. Red blood cells of hoofed mammals (horse, goat) showed weak enhancement of agglutination in the presence of Congo red. Neither agglutination nor enhancement were observed in the case of human red cells. The dye-enhancement capability in the SRBC-antiSRBC system was lost after pepsin-digestion of antibodies producing (Fab)2 fragments still agglutinating red cells. Monoclonal (myeloma) IgG, L lambda chain and ovoalbumin failed to agglutinate red cells, as expected, and showed no enhancement effect. This indicates that the enhancement effect is specific.
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Affiliation(s)
- Marcin Krol
- Dept. of Bioinformatics and Telemedicine, Medical College, Jagiellonian University, Kopernika 17, 31-501 Krakow, Poland.
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Lemieux R, Bazin R, Néron S. Therapeutic intravenous immunoglobulins. Mol Immunol 2005; 42:839-48. [PMID: 15829272 DOI: 10.1016/j.molimm.2004.07.046] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2004] [Accepted: 07/13/2004] [Indexed: 01/24/2023]
Abstract
Intravenous immunoglobulins (IVIg) are concentrated formulations of human IgG prepared by industrial fractionation of large pools of individual plasma donations. IVIg were developed 20 years ago for the prophylaxis support of immunodeficient patients. However, IVIg have been increasingly used since 10 years, in the treatment of many autoimmune and inflammatory diseases raising the possibility of product shortages and ever increasing costs in the near future. Surprisingly, the immunomodulatory mechanisms of action of IVIg are unclear because of the diversity and often contradictory Fc, F(ab')(2), and non-IgG-related mechanisms that have been proposed from clinical observations and from results obtained in various in vitro and in vivo experimental models. These concepts are reviewed here and we discuss in more details three areas of active research, namely the mechanisms of IVIg action in Idiopathic Thrombocytopenic Purpura (ITP), the effects of IVIg on activated B lymphocytes and the possible involvement of autoantibodies of IgG isotype (auto-IgG) in the immunomodulatory effects of IVIg. The elucidation of the mechanisms of action of IVIg is crucial for a more rationalized clinical use of IVIg and for developing substitutes for some of the immunomodulatory indications in order to ensure long-term availability of plasma-derived IVIg for immunodeficient patients.
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Affiliation(s)
- Réal Lemieux
- HEMA-QUEBEC, Research and Development and Department of Biochemistry and Microbiology, Faculty of Sciences and Engineering, Laval University, Ste-Foy, Canada G1V 5C3.
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Abstract
Although US immune globulin intravenous (human) (IGIV) products have been regarded as safe, it is important to recognize that many of the controlled clinical studies of IGIVs have been of modest size and have limited power to define the incidence of only the most common adverse events (AEs). A significant number of "postmarketing" serious AEs affecting renal, cardiovascular, CNS, integumentary, and hematologic organ systems have been reported. Variables potentially affecting the risk and intensity of adverse events associated with administration of IGIV include patient age, underlying condition, history of migraine, cardiovascular or renal disease, dose, concentration, rate of infusion, specific brand/formulation/excipients, and lot(s) of the particular IGIV product being administered. Each manufacturer's IGIV preparation is a unique product carrying its own specific evidence-based indications and safety profile. In view of the seriousness of potential adverse effects of IGIV products, and current lack of data surrounding their frequency, clinicians are advised to limit their prescription of these products for conditions for which efficacy is supported by adequate and well-controlled clinical trials. Prescribers should pay close attention to patient selection; consider the potential risk/benefit ratio vis-a-vis alternate therapies; and familiarize themselves with the identification, management, and proposed strategies to minimize the risks of IGIV.
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Affiliation(s)
- L Ross Pierce
- Clinical Review Branch, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, MD 20852-1448, USA
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Affiliation(s)
- Irina Knezevic-Maramica
- Division of Laboratory and Transfusion Medicine, Department of Pathology, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA
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Adverse effect of polyvalent immunoglobulin in the treatment of Guillain-Barre syndrome. Transfus Apher Sci 2003; 28:117-24. [PMID: 12679114 DOI: 10.1016/s1473-0502(03)00012-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Acute polyradiculoneuropathy or Guillain-Barre syndrome is a neurological disease which may present with severe forms which have a poor prognosis. The patient's management requires multidisciplinary specialised care. Morbidity has been reported to be significantly improved with initial therapy using high-dose intravenous immunoglobulin (IVIG). However, this therapy represent an immunological risk which has remained overlooked by clinicians in the majority of cases and is not clearly stated by the pharmaceutical companies. Therefore, the use of IVIG in the intensive care unit can cause some problems. CASE REPORT A 32-year-old woman presented with clinical signs of Guillain-Barre syndrome. The patient received high-dose intravenous immunoglobulin (TEGELINE). Nine days after beginning therapy, she presented with severe immunological hemolytic anaemia; the IVIG was suspected as the cause. The blood cell count returned to normal approximately two months after the onset of the hemolytic syndrome. CONCLUSION Despite the effectiveness of IVIG therapy in the management of various diseases, intensive care clinicians should be aware of possible major adverse effects which make a careful assessment of the patient necessary before treatment. It may also be important to consider the patient's ABO blood group before initiating IVIG treatment, particularly in patients bearing A and/or B blood group antigens.
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Abstract
IVIG is prepared from large pools of plasma from healthy donors and the IgG is present predominantly in monomeric form. It was first reported in 1981 by Dr. Paul Imbach that high doses of IVIG promote fast recovery of ITP in children. Despite extensive clinical use in a variety of autoimmune and inflammatory states, the mechanism of action of IVIG remains as yet incompletely understood. Several theories have been proposed to explain how administration of IVIG to individuals with ITP increases the platelet count. Following is an overview of some of the major theories.
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Affiliation(s)
- Alan H Lazarus
- Canadian Blood Services, and The Toronto Platelet Immunobiology Group, Toronto, Ontario, Canada.
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Rewald E, Francischetti MM, Nydegger UE. IVIG-pools: regulatory gifts--transiting from harmony toward harmonious immunoglobulins: why? and why not? Transfus Apher Sci 2001; 25:113-37. [PMID: 11761275 DOI: 10.1016/s1473-0502(01)00103-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Based on 'initial conditions' which depend on each donors' exposure to a unique environment, a pooled intravenous immunoglobulin (IVIG) product transfers its immunoglobulin molecule repertoire, unchanged, to the altered host. The relay function of the cell-bound receptors, especially that of the inhibitory Fc(gamma)RIIB, may then allow sufficient amplification to make regulatory activity possible. To the clinician, IVIG may be considered a tool to promote reversal of the dysregulation causing autoimmune disease. Generically, IVIG may be seen as a promoter allowing a progression from harm by an inflammatory/fibrotic reaction, then down-regulating toward restitutio ad integrum. By modifying natural processes, IVIG may play minor roles in promoting defense against spontaneous bleeding and, perhaps, stimulating remyelination. The wide spectrum of IVIG specificities, by reflecting evolutionary epitope selection, may not further destabilize cell/molecule disarray in the affected host. Benefit to the patient by IVIG treatment cannot be predicted nor can potentially severe or even fatal accidents entirely be excluded. Important aspects of IVIG treatment still await clarification including dosage, timing and the isotype form. In the foreseeable future it does not seem that biotechnological advances will match the physiologic harmony of IVIG, leaving antibody characteristics aside.
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Rauova L, Lukac J, Levy Y, Rovensky J, Shoenfeld Y. High-dose intravenous immunoglobulins for lupus nephritis--a salvage immunomodulation. Lupus 2001; 10:209-13. [PMID: 11315354 DOI: 10.1191/096120301668222237] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Systemic lupus erythematosus (SLE) is a multisystemic autoimmune disease with a great diversity of clinical manifestations which is difficult to manage. IVIGs represent promising immunoregulatory agents with the ability to control SLE without subsequent predisposition to infectious complications. Despite the implied risk of developing renal failure due to IVIG, considerable beneficial effects on lupus nephritis are reported. In this review, the clinical and adverse effects, and mechanism of action, with special emphasis on modulation, of idiotypic network is discussed.
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Affiliation(s)
- L Rauova
- Department of Medicine B, Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Israel
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Ballot-Brossier C, Mortelecque R, Sinègre M, Marceau A, Dauriat G, Courtois F. [Insisting on intravenous polyvalent immunoglobulin therapy in polymyositis in spite of the occurrence of sever hemolytic anemia]. Transfus Clin Biol 2001; 8:94-9. [PMID: 11386046 DOI: 10.1016/s1246-7820(01)00109-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A 23-year-old female with polymyositis received high dose intravenous immunoglobulin (IVIg) therapy. The patient suffered severe hemolytic anemia after receiving first course of IVIg infusion. This adverse reaction was likely due to allohemaglutinin A and B and from or high molecular weight IgG complexes contained in the preparation. Though this effect was observed, the treatment was repeated six times. A mild hemolysis occurred following each IVIg, with no clinical consequence. Involvement of the saturation of macrophagic receptors might explain this partial destruction of erythrocytes.
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Fusman R, Zeltser D, Rotstein R, Chapman J, Avitzour D, Shapira I, Eldor A, Elkayam O, Caspi D, Arber N, Berliner S. INFLAMET: an image analyzer to display erythrocyte adhesiveness/aggregation. Eur J Intern Med 2000; 11:271-276. [PMID: 11025252 DOI: 10.1016/s0953-6205(00)00108-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Background: Due to a lack of simple, inexpensive, and real-time methodology, the state of erythrocyte adhesiveness/aggregation is not measured in daily practice by most clinicians. Methods: We measured the state of erythrocyte adhesiveness/aggregation before and following the administration of intravenous high-dose gamma globulins in 18 patients with various autoimmune diseases using a simple slide test and image analysis system (INFLAMET). Results: A significant (P=0.01) increment in the state of erythrocyte adhesiveness/aggregation (from 2+/-3 to 8+/-9 arbitrary units) was noted in the entire study group despite a significant (P=0.008) decrement (from 350+/-97 to 323+/-127 mg%) in the concentration of fibrinogen and no significant change in the erythrocyte sedimentation rate (32+/-30 mm/h before and 35+/-29 mm/h following administration of gamma globulin). Conclusions: By using a simple slide test and image analysis, we were able to provide relevant rheological information that was not available from either of the routine indirect tests, i.e. the Westergren erythrocyte sedimentation rate and the concentration of fibrinogen.
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Affiliation(s)
- R Fusman
- Department of Internal Medicine 'D', Tel-Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
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