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Urra M, Lyons S, Teodosiu CG, Burwick R, Java A. Thrombotic Microangiopathy in Pregnancy: Current Understanding and Management Strategies. Kidney Int Rep 2024; 9:2353-2371. [PMID: 39156177 PMCID: PMC11328568 DOI: 10.1016/j.ekir.2024.05.016] [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: 10/27/2023] [Revised: 05/09/2024] [Accepted: 05/13/2024] [Indexed: 08/20/2024] Open
Abstract
Thrombotic microangiopathy (TMA) represents a heterogeneous group of disorders characterized by microvascular thrombosis and end-organ damage. Pregnancy-associated thrombotic microangiopathy (p-TMA) has emerged as a distinct clinical entity with unique diagnostic challenges. Identifying the specific form of p-TMA is critical for appropriate and timely management. This review offers a comprehensive overview of the various forms of thrombotic microangiopathies associated with pregnancy, highlighting our current understanding of their pathophysiology and the evolving landscape of diagnosis and treatment for each.
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Affiliation(s)
- Manuel Urra
- Department of Renal Medicine and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Shannon Lyons
- Department of Renal Medicine and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | | | - Richard Burwick
- Maternal Fetal Medicine, San Gabriel Valley Perinatal Medical Group, Pomona Valley Hospital Medical Center, Pomona, California, USA
| | - Anuja Java
- Division of Nephrology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
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2
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van Gendt J, Emaus R, Visschedijk MC, Touw DJ, Bouwknegt DG, de Leeuw K, Prins JR, Malik P, Mian P. Pharmacokinetics of Monoclonal Antibodies Throughout Pregnancy: A Systematic Literature Review. Clin Pharmacokinet 2024; 63:589-622. [PMID: 38583128 PMCID: PMC11106164 DOI: 10.1007/s40262-024-01370-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/12/2024] [Indexed: 04/08/2024]
Abstract
BACKGROUND AND OBJECTIVE Although little information is available on the pharmacokinetics (PK) of monoclonal antibodies (mAbs) during pregnancy, multiple mAbs are being used during pregnancy for various indications. The aim of this systematic literature review was to characterize the PK of mAbs throughout pregnancy. METHODS A systematic literature search was carried out in PubMed and Embase on 21 April 2023. Articles were included when information on PK or exposure parameters of mAbs in pregnant women was available. RESULTS A total of 42 relevant articles were included, of which eight discussed adalimumab, three certolizumab pegol, five eculizumab, one golimumab, 12 infliximab (IFX), two natalizumab, one canakinumab, one omalizumab, five tocilizumab, eight ustekinumab, and five vedolizumab. One of the 42 studies reported information on clearance (CL) and volume of distribution (VD) of IFX; all other studies only reported on serum concentrations in the pre-pregnancy state, different trimesters, and the postpartum period. For all of the assessed mAbs except IFX, serum concentrations were similar to concentrations in the pre-pregnancy state or modestly decreased. In contrast, IFX trough concentrations generally increased in the second and third trimesters in comparison to the non-pregnant state. CONCLUSION Available information suggests that the anatomical and physiological changes throughout pregnancy may have meaningful effects on the PK of mAbs. For most mAbs (not IFX), modestly higher dosing (per mg) maybe needed during pregnancy to sustain a similar serum exposure compared to pre-pregnancy.
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Affiliation(s)
- J van Gendt
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen and University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - R Emaus
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen and University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - M C Visschedijk
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - D J Touw
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen and University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
- Department of Pharmaceutical Analysis, Groningen Research Institute for Pharmacy, University of Groningen, Groningen, The Netherlands
| | - D G Bouwknegt
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - K de Leeuw
- Department of Rheumatology and Clinical Immunology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - J R Prins
- Department of Obstetrics and Gynaecology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - P Malik
- Calico Life Sciences, South San Francisco, USA
| | - Paola Mian
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen and University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands.
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Raschi E, Borghi MO, Tedesco F, Meroni PL. Antiphospholipid syndrome pathogenesis in 2023: an update of new mechanisms or just a reconsideration of the old ones? Rheumatology (Oxford) 2024; 63:SI4-SI13. [PMID: 38320591 DOI: 10.1093/rheumatology/kead603] [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: 07/28/2023] [Accepted: 10/27/2023] [Indexed: 02/08/2024] Open
Abstract
Antibodies against phospholipid (aPL)-binding proteins, in particular, beta 2 glycoprotein I (β2GPI), are diagnostic/classification and pathogenic antibodies in antiphospholipid syndrome (APS). β2GPI-aPL recognize their target on endothelium and trigger a pro-thrombotic phenotype which is amplified by circulating monocytes, platelets and neutrophils. Complement activation is required as supported by the lack of aPL-mediated effects in animal models when the complement cascade is blocked. The final result is a localized clot. A strong generalized inflammatory response is associated with catastrophic APS, the clinical variant characterized by systemic thrombotic microangiopathy. A two-hit hypothesis was suggested to explain why persistent aPL are associated with acute events only when a second hit allows antibody/complement binding by modulating β2GPI tissue presentation. β2GPI/β2GPI-aPL are also responsible for obstetric APS, being the molecule physiologically present in placental/decidual tissues. Additional mechanisms mediated by aPL with different characteristics have been reported, but their diagnostic/prognostic value is still a matter of research.
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Affiliation(s)
- Elena Raschi
- Immunorheumatology Research Laboratory, IRCCS Istituto Auxologico Italiano, Milan, Italy
| | - Maria Orietta Borghi
- Immunorheumatology Research Laboratory, IRCCS Istituto Auxologico Italiano, Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Francesco Tedesco
- Immunorheumatology Research Laboratory, IRCCS Istituto Auxologico Italiano, Milan, Italy
| | - Pier Luigi Meroni
- Immunorheumatology Research Laboratory, IRCCS Istituto Auxologico Italiano, Milan, Italy
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4
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Yun Z, Duan L, Liu X, Cai Q, Li C. An update on the biologics for the treatment of antiphospholipid syndrome. Front Immunol 2023; 14:1145145. [PMID: 37275894 PMCID: PMC10237350 DOI: 10.3389/fimmu.2023.1145145] [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: 01/15/2023] [Accepted: 05/04/2023] [Indexed: 06/07/2023] Open
Abstract
Antiphospholipid syndrome (APS) is a systemic autoimmune disease characterized by thrombosis and pregnancy morbidity with the persistent presence of antiphospholipid antibodies (aPLs). Although anticoagulation is the primary treatment for APS, it fails in approximately 20-30% of obstetric APS cases and more than 30% of thrombotic APS cases. Therefore, there is a need for new, targeted treatments beyond anticoagulants. Biologics, such as rituximab and eculizumab, have been recommended for refractory catastrophic APS. This review focuses on the recent advancements in the pathogenesis of APS and explores the potential of targeted treatments, including eculizumab, rituximab, belimumab, daratumumab, obinutuzumab, and anti-TNF-α antibodies, for APS management.
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Affiliation(s)
- Zelin Yun
- Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory for Rheumatism and Immune Diagnosis (BZ0135), Peking University People’s Hospital, Beijing, China
| | - Lizhi Duan
- Department of Rheumatology and Immunology, Gangkou Hospital of Hebei Port Group Company Limited, Qinhuangdao, Hebei, China
| | - Xiangjun Liu
- Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory for Rheumatism and Immune Diagnosis (BZ0135), Peking University People’s Hospital, Beijing, China
| | - Qingmeng Cai
- Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory for Rheumatism and Immune Diagnosis (BZ0135), Peking University People’s Hospital, Beijing, China
| | - Chun Li
- Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory for Rheumatism and Immune Diagnosis (BZ0135), Peking University People’s Hospital, Beijing, China
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Smith-Jackson K, Harrison RA. Alternative pathway activation in pregnancy, a measured amount "complements" a successful pregnancy, too much results in adverse events. Immunol Rev 2023; 313:298-319. [PMID: 36377667 PMCID: PMC10100418 DOI: 10.1111/imr.13169] [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: 11/16/2022]
Abstract
During pregnancy, the maternal host must adapt in order to enable growth of the fetus. These changes affect all organ systems and are designed both to protect the fetus and to minimize risk to the mother. One of the most prominent adaptations involves the immune system. The semi-allogenic fetoplacental unit has non-self components and must be protected against attack from the host. This requires both attenuation of adaptive immunity and protection from innate immune defense mechanisms. One of the key innate immune players is complement, and it is important that the fetoplacental unit is not identified as non-self and subjected to complement attack. Adaptation of the complement response must, however, be managed in such a way that maternal protection against infection is not compromised. As the complement system also plays a significant facilitating role in many of the stages of a normal pregnancy, it is also important that any necessary adaptation to accommodate the semi-allogenic aspects of the fetoplacental unit does not compromise this. In this review, both the physiological role of the alternative pathway of complement in facilitating a normal pregnancy, and its detrimental participation in pregnancy-specific disorders, are discussed.
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Affiliation(s)
- Kate Smith-Jackson
- Complement Therapeutics Research Group, Translational and Clinical Research Institute, Faculty of Medical Science, Newcastle University, Newcastle-upon-Tyne, UK.,The National Renal Complement Therapeutics Centre (NRCTC), Newcastle-upon-Tyne Hospitals NHS Foundation Trust, Newcastle-upon-Tyne, UK
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Naranjo L, Stojanovich L, Djokovic A, Andreoli L, Tincani A, Maślińska M, Sciascia S, Infantino M, Garcinuño S, Kostyra-Grabczak K, Manfredi M, Regola F, Stanisavljevic N, Milanovic M, Saponjski J, Roccatello D, Cecchi I, Radin M, Benucci M, Pleguezuelo D, Serrano M, Shoenfeld Y, Serrano A. Circulating immune-complexes of IgG/IgM bound to B2-glycoprotein-I associated with complement consumption and thrombocytopenia in antiphospholipid syndrome. Front Immunol 2022; 13:957201. [PMID: 36172349 PMCID: PMC9511106 DOI: 10.3389/fimmu.2022.957201] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 08/19/2022] [Indexed: 11/18/2022] Open
Abstract
Background Antiphospholipid syndrome (APS) is a multisystemic autoimmune disorder characterized by thrombotic events and/or gestational morbidity in patients with antiphospholipid antibodies (aPL). In a previous single center study, APS-related clinical manifestations that were not included in the classification criteria (livedo reticularis, thrombocytopenia, leukopenia) were associated with the presence of circulating immune-complexes (CIC) formed by beta-2-glycoprotein-I (B2GP1) and anti-B2GP1 antibodies (B2-CIC). We have performed a multicenter study on APS features associated with the presence of B2-CIC. Methods A multicenter, cross-sectional and observational study was conducted on 303 patients recruited from six European hospitals who fulfilled APS classification criteria: 165 patients had primary APS and 138 APS associated with other systemic autoimmune diseases (mainly systemic lupus erythematosus, N=112). Prevalence of B2-CIC (IgG/IgM isotypes) and its association with clinical manifestations and biomarkers related to the disease activity were evaluated. Results B2-CIC prevalence in APS patients was 39.3%. B2-CIC-positive patients with thrombotic APS presented a higher incidence of thrombocytopenia (OR: 2.32, p=0.007), heart valve thickening and dysfunction (OR: 9.06, p=0.015) and triple aPL positivity (OR: 1.83, p=0.027), as well as lower levels of C3, C4 and platelets (p-values: <0.001, <0.001 and 0.001) compared to B2-CIC-negative patients. B2-CIC of IgM isotype were significantly more prevalent in gestational than thrombotic APS. Conclusions Patients with thrombotic events and positive for B2-CIC had lower platelet count and complement levels than those who were negative, suggesting a greater degree of platelet activation.
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Affiliation(s)
- Laura Naranjo
- Immunology Department, Hospital Universitario 12 de Octubre, Madrid, Spain
| | | | - Aleksandra Djokovic
- Cardiology Department, University Hospital Center Bezanijska Kosa, Belgrade, Serbia
- School of Medicine , University of Belgrade, Belgrade, Serbia
| | - Laura Andreoli
- Unit of Rheumatology and Clinical Immunology, ASST Spedali Civili, Brescia, Italy
- Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Angela Tincani
- Unit of Rheumatology and Clinical Immunology, ASST Spedali Civili, Brescia, Italy
- Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Maria Maślińska
- Early Arthritis Clinic, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - Savino Sciascia
- Nephrology and Dialysis Unit (ERK-net Member), Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, Torino, Italy
| | - Maria Infantino
- Immunology and Allergy Laboratory, San Giovanni di Dio Hospital, Florence, Italy
| | - Sara Garcinuño
- Immunology Department, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Kinga Kostyra-Grabczak
- Early Arthritis Clinic, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - Mariangela Manfredi
- Immunology and Allergy Laboratory, San Giovanni di Dio Hospital, Florence, Italy
| | - Francesca Regola
- Unit of Rheumatology and Clinical Immunology, ASST Spedali Civili, Brescia, Italy
- Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Natasa Stanisavljevic
- Internal Medicine, University Hospital Center Bezanijska Kosa, Belgrade, Serbia
- School of Medicine , University of Belgrade, Belgrade, Serbia
| | - Milomir Milanovic
- Internal Medicine Department, Clinic for Infectious and Tropical Diseases, Military Medical Academy, Belgrade, Serbia
| | - Jovica Saponjski
- Cardiology Department, University Clinical Center of Serbia, Belgrade, Serbia
| | - Dario Roccatello
- Nephrology and Dialysis Unit (ERK-net Member), Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, Torino, Italy
| | - Irene Cecchi
- Nephrology and Dialysis Unit (ERK-net Member), Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, Torino, Italy
| | - Massimo Radin
- Nephrology and Dialysis Unit (ERK-net Member), Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, Torino, Italy
| | - Maurizio Benucci
- Rheumatology Unit, San Giovanni di Dio Hospital, Florence, Italy
| | - Daniel Pleguezuelo
- Immunology Department, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Manuel Serrano
- Immunology Department, Hospital Universitario 12 de Octubre, Madrid, Spain
- *Correspondence: Manuel Serrano,
| | - Yehuda Shoenfeld
- Ariel University, Ariel, Israel
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Israel
| | - Antonio Serrano
- Immunology Department, Hospital Universitario 12 de Octubre, Madrid, Spain
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Treatment advances in antiphospholipid syndrome: 2022 update. Curr Opin Pharmacol 2022; 65:102212. [DOI: 10.1016/j.coph.2022.102212] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 03/11/2022] [Indexed: 12/22/2022]
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Hoxha A, Tormene D, Campello E, Simioni P. Treatment of Refractory/High-Risk Pregnancies With Antiphospholipid Syndrome: A Systematic Review of the Literature. Front Pharmacol 2022; 13:849692. [PMID: 35662738 PMCID: PMC9160870 DOI: 10.3389/fphar.2022.849692] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 03/30/2022] [Indexed: 11/13/2022] Open
Abstract
Different treatment protocols have been employed to manage heparin/low-dose aspirin refractory or high-risk pregnancies in antiphospholipid antibody syndrome (APS) pregnancies. A systematic review of the literature on additional treatments used in refractory and/or high-risk APS pregnancies was conducted. Records from February 2006 to October 2021 were retrieved from PubMed, Web of Science, Cochrane, and the www.clinicaltrials.gov platform. Twenty-one studies met our eligibility criteria. Live birth rate is this study’s primary endpoint, while pregnancy complications and adverse events are secondary endpoints. A total of 434 pregnancies, 162 (37.3%) refractory and 272 (62.7%) high-risk/refractory pregnancies, were included. Both IVIG <2 gr/kg/monthly/HCQ/LDS and PEX/IA ± LDS led to 100% viable infants in refractory APS. Furthermore, HCQ 200–400 mg showed a higher live birth rate than HCQ + LDS (88.6% vs. 82.7%). Following treatment protocol with HCQ 200–400 mg and IVIG <2 gr/kg/monthly/HCQ/LDS, pregnancy complications rates of 16.7 and 83.3% were registered, respectively. Pravastatin 20 mg, IA weekly + IVIG 2 gr/monthly, and PEX weekly + IVIg 2 gr/kg/monthly showed higher live birth rates in high-risk APS pregnancies of 100, 100 and 92%, respectively, whereas the lower severe pregnancy complications were reported in pregnancies treated with PEX weekly + IVIg 2 gr/kg/monthly (11.1%). One (0.6%) case of dermatitis during treatment with HCQ was observed. The results of this study showed that HCQ 200–400 mg and PEX weekly + IVIG 2 gr/kg/monthly achieved a higher live birth rate in refractory APS and high-risk/refractory APS, respectively. The results presented provide clinicians with up-to-date knowledge in the management of APS pregnancies according to risk stratification.
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Affiliation(s)
- Ariela Hoxha
- Internal Medicine Unit, Department of Medicine, San Bortolo Hospital, Vicenza, Italy
- General Internal Medicine and Thrombotic and Hemorrhagic Unit, University of Padua, Padua, Italy
- *Correspondence: Ariela Hoxha,
| | - Daniela Tormene
- General Internal Medicine and Thrombotic and Hemorrhagic Unit, University of Padua, Padua, Italy
| | - Elena Campello
- General Internal Medicine and Thrombotic and Hemorrhagic Unit, University of Padua, Padua, Italy
| | - Paolo Simioni
- General Internal Medicine and Thrombotic and Hemorrhagic Unit, University of Padua, Padua, Italy
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Fuentes Carrasco M, Mayoral Triana A, Cristóbal García IC, Pérez Pérez N, Izquierdo Méndez N, Soler Ruiz P, González González V. Catastrophic antiphospholipid syndrome during pregnancy. Eur J Obstet Gynecol Reprod Biol 2021; 264:21-24. [PMID: 34273751 PMCID: PMC8260489 DOI: 10.1016/j.ejogrb.2021.07.002] [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: 03/30/2021] [Revised: 06/28/2021] [Accepted: 07/02/2021] [Indexed: 02/08/2023]
Abstract
Catastrophic antiphospholipid syndrome (CAPS) is an uncommon and the most severe form of antiphospholipid syndrome (APS). A 33-week pregnant patient with Klippel-Trenaunay syndrome, past SARS-CoV-2 infection and type I fetal growth restriction with shortening of the fetal long bone was diagnosed in our center with a probable CAPS. Cesarean section was performed four days after the diagnosis due to the torpid evolution of the patient. Clinical improvement was noted a few days later and the mother and baby were discharged within a week. We review the current literature on CAPS during pregnancy and provide an updated view.
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Affiliation(s)
- Marta Fuentes Carrasco
- Hospital Clínico San Carlos de Madrid, Spain,Corresponding author at: Hospital Clínico San Carlos, Calle del Prof Martín Lagos, s/n, 28040, Madrid, Spain
| | | | | | | | | | - Patricia Soler Ruiz
- Hospital Clínico San Carlos de Madrid, Spain,Universidad Complutense de Madrid, Spain
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Ferrer-Oliveras R, Mendoza M, Capote S, Pratcorona L, Esteve-Valverde E, Cabero-Roura L, Alijotas-Reig J. Immunological and physiopathological approach of COVID-19 in pregnancy. Arch Gynecol Obstet 2021; 304:39-57. [PMID: 33945026 PMCID: PMC8093597 DOI: 10.1007/s00404-021-06061-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 03/31/2021] [Indexed: 12/18/2022]
Abstract
Coronavirus disease-2019 (COVID-19) related to Coronavirus-2 (SARS-CoV-2) is a worldwide health concern. Despite the majority of patients will evolve asymptomatic or mild-moderate upper respiratory tract infections, 20% will develop severe disease. Based on current pathogenetic knowledge, a severe COVID-19 form is mainly a hyperinflammatory, immune-mediated disorder, triggered by a viral infection. Due to their particular immunological features, pregnant women are supposed to be particularly susceptible to complicate by intracellular infections as well as immunological disturbances. As an example, immune-thrombosis has been identified as a common immune-mediated and pathogenic phenomenon both in COVID-19, in obstetric diseases and in COVID-19 pregnant women. According to extensive published clinical data, is rationale to expect an interference with the normal development of pregnancy in selected SARS-CoV-2-infected cases, mainly during third trimester.This manuscript provides insights of research to elucidate the potential harmful responses to SARS-CoV-2 and /or other coronavirus infections, as well as bidirectional interactions between COVID-19 and pregnancy to improve their respective management.
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Affiliation(s)
- Raquel Ferrer-Oliveras
- Department of Obstetrics and Gynaecology, Hospital Universitari Quironsalud Barcelona, Barcelona, Catalonia, Spain.
| | - Manel Mendoza
- Maternal Fetal Medicine Unit, Department of Obstetrics, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Catalonia, Spain
| | - Sira Capote
- Department of Obstetrics and Gynaecology, Hospital Universitari Quironsalud Barcelona, Barcelona, Catalonia, Spain
| | - Laia Pratcorona
- Department of Obstetrics, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Barcelona, Catalonia, Spain
| | - Enrique Esteve-Valverde
- Department of Internal Medicine, Althaia Network Health. Manresa, Barcelona, Spain
- Universitat Central de Catalunya, Barcelona, Catalonia, Spain
| | - Lluis Cabero-Roura
- Department of Obstetrics and Gynaecology, Hospital Universitari Quironsalud Barcelona, Barcelona, Catalonia, Spain
- Prof. Emeritus of Obsterics and Gynaecology, Universitat Autònoma de Barcelona, Barcelona, Catalonia, Spain
| | - Jaume Alijotas-Reig
- Systemic Autoimmune Diseases Unit. Department of Internal Medicine-1, Vall d' Hebron University Hospital, Barcelona, Spain.
- Systemic Autoimmune Research Unit, Vall d'Hebron Reseacrh Institute, Barcelona, Spain.
- Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain.
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Chaturvedi S, Braunstein EM, Brodsky RA. Antiphospholipid syndrome: Complement activation, complement gene mutations, and therapeutic implications. J Thromb Haemost 2021; 19:607-616. [PMID: 32881236 PMCID: PMC8080439 DOI: 10.1111/jth.15082] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 08/21/2020] [Accepted: 08/24/2020] [Indexed: 12/13/2022]
Abstract
Antiphospholipid syndrome (APS) is an acquired thromboinflammatory disorder characterized by the presence of antiphospholipid antibodies as well as an increased frequency of venous or arterial thrombosis and/or obstetrical morbidity. The spectrum of disease varies from asymptomatic to a severe form characterized by widespread thrombosis and multiorgan failure, termed catastrophic APS (CAPS). CAPS affects only about ∼1% of APS patients, often presents as a thrombotic microangiopathy and has a fulminant course with >40% mortality, despite the best available therapy. Animal models have implicated complement in the pathophysiology of thrombosis in APS, with more recent data from human studies confirming the interaction between the coagulation and complement pathways. Activation of the complement cascade via antiphospholipid antibodies can cause cellular injury and promote coagulation via multiple mechanisms. Finally, analogous to classic complement-mediated diseases such as atypical hemolytic uremic syndrome, a subset of patients with APS may be at increased risk for development of CAPS because of the presence of germline variants in genes crucial for complement regulation. Together, these data make complement inhibition an attractive and potentially lifesaving therapy to mitigate morbidity and mortality in severe thrombotic APS and CAPS.
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Affiliation(s)
- Shruti Chaturvedi
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Evan M Braunstein
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Robert A Brodsky
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Beltagy A, Aghamajidi A, Trespidi L, Ossola W, Meroni PL. Biologics During Pregnancy and Breastfeeding Among Women With Rheumatic Diseases: Safety Clinical Evidence on the Road. Front Pharmacol 2021; 12:621247. [PMID: 34122062 PMCID: PMC8189556 DOI: 10.3389/fphar.2021.621247] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 01/04/2021] [Indexed: 12/31/2022] Open
Abstract
Females are generally more affected by autoimmune diseases, a fact that underlines the relationship with pregnancy and the safety of anti-rheumatic drugs in pregnancy and lactation. Biologic therapies are increasingly prescribed to treat and maintain remission in a significant number of systemic autoimmune rheumatic diseases. The experience with the use of biologics during gestation is extremely lacking because of the observational nature of the available studies and the difficulty in designing proper clinical trials in pregnancy. Among the studied biologics, more information was published on TNFα inhibitors and, in particular, on their potential passage through the placenta and impact on the fetus. Currently, a fragment of anti-TNFα monoclonal IgG, certolizumab pegol, is considered safe with almost no placental transfer. Subsequent observations are suggesting a comparable safety for the soluble TNFα receptor etanercept. Another biologic, eculizumab, the anti-C5a antibody used to treat complement-mediated microangiopathies, is also considered safe due to the unique engineered IgG2/4κ formulation that limits its passage through the placental barrier. Still, long-term data about children born to women treated with biologics in pregnancy are not attainable. Data on breastfeeding are currently available for several biologics. This article reviews the literature available about which drugs are considered safe during pregnancy and lactation, which are not, and on future prospects.
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Affiliation(s)
- Asmaa Beltagy
- Istituto Auxologico Italiano, IRCCS, Immunorheumatology Research Laboratory, Milan, Italy.,Rheumatology and Clinical Immunology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Azin Aghamajidi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Laura Trespidi
- Department of Obstetrics and Gynaecology, Fondazione Ca Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Wally Ossola
- Department of Obstetrics and Gynaecology, Fondazione Ca Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Pier Luigi Meroni
- Istituto Auxologico Italiano, IRCCS, Immunorheumatology Research Laboratory, Milan, Italy
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13
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Mormile I, Granata F, Punziano A, de Paulis A, Rossi FW. Immunosuppressive Treatment in Antiphospholipid Syndrome: Is It Worth It? Biomedicines 2021; 9:biomedicines9020132. [PMID: 33535377 PMCID: PMC7911562 DOI: 10.3390/biomedicines9020132] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 01/18/2021] [Accepted: 01/26/2021] [Indexed: 11/16/2022] Open
Abstract
The antiphospholipid syndrome (APS) is characterized by the development of venous and/or arterial thrombosis and pregnancy morbidity in patients with persistent antiphospholipid antibodies (aPL). Catastrophic antiphospholipid syndrome (CAPS) is a life-threatening form of APS occurring in about 1% of cases. Lifelong anticoagulation with vitamin K antagonists remains the cornerstone of the therapy for thrombotic APS, but frequently the use of anticoagulation may be problematic due to the increased risk of bleeding, drug interactions, or comorbidities. Immunosuppressant drugs are widely used to treat several autoimmune conditions, in which their safety and effectiveness have been largely demonstrated. Similar evidence in the treatment of primary APS is limited to case reports or case series, and studies on a large scale lack. Immunomodulatory drugs may be an emerging tool in managing such particular situations, like refractory obstetrical complications, CAPS, or so-called APS non-criteria manifestations. In addition, immunomodulatory drugs may be useful in patients experiencing recurrent thromboembolic events despite optimized anticoagulant therapy. We did a comprehensive review of literature analyzing the possible role of immunomodulation in primary APS to provide a broad overview of potentially safe and effective target treatments for managing this devastating disease.
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Affiliation(s)
- Ilaria Mormile
- Department of Translational Medical Sciences, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (I.M.); (F.G.); (A.P.); (A.d.P.)
| | - Francescopaolo Granata
- Department of Translational Medical Sciences, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (I.M.); (F.G.); (A.P.); (A.d.P.)
| | - Alessandra Punziano
- Department of Translational Medical Sciences, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (I.M.); (F.G.); (A.P.); (A.d.P.)
| | - Amato de Paulis
- Department of Translational Medical Sciences, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (I.M.); (F.G.); (A.P.); (A.d.P.)
- Center for Basic and Clinical Immunology Research (CISI), WAO Center of Excellence, University of Naples Federico II, 80131 Naples, Italy
| | - Francesca Wanda Rossi
- Department of Translational Medical Sciences, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (I.M.); (F.G.); (A.P.); (A.d.P.)
- Center for Basic and Clinical Immunology Research (CISI), WAO Center of Excellence, University of Naples Federico II, 80131 Naples, Italy
- Correspondence: ; Tel.: +39-81-7464513
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14
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Ruffatti A, Tonello M, Favaro M, Del Ross T, Calligaro A, Ruffatti AT, Gervasi MT, Hoxha A. The efficacy and safety of second-line treatments of refractory and/or high risk pregnant antiphospholipid syndrome patients. A systematic literature review analyzing 313 pregnancies. Semin Arthritis Rheum 2020; 51:28-35. [PMID: 33360227 DOI: 10.1016/j.semarthrit.2020.10.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/23/2020] [Accepted: 10/16/2020] [Indexed: 01/10/2023]
Abstract
OBJECTIVE The most efficacious strategy to manage pregnant patients with antiphospholipid syndrome (APS) refractory to conventional heparin/low-dose aspirin treatment or at high risk of adverse pregnancy outcomes has not been determined with any degree of certainty. The study set out to evaluate the efficacy and safety of the second-line treatments most frequently used in addition to conventional therapy, and the data were analyzed to identify which is/are associated to the best pregnancy outcomes. METHODS A systematic review of the literature on studies concerning second-line treatments for refractory and/or high risk pregnant APS women published between February 2006 and February 2020 was conducted. The records were retrieved by searching Medline via Pubmed, the Web of Science platform, the Cochrane library database and clinicaltrials.gov. RESULTS Fourteen studies met the eligibility criteria of the review: six retrospective cohort studies, one case-control, one case-series and six case reports. The results of single treatment protocols based upon hydroxychloroquine (HCQ), low-dose steroids (LDS), intravenous immunoglobulins (IVIG), plasma exchange (PE) or pravastatin and of combination protocols based upon HCQ+LDS, IVIG+LDS, PE+LDS and PE+IVIG used during 313 pregnancies in 303 APS women were analyzed and compared. The second-line treatments produced 261/313 (83.4%) live births; severe pregnancy complications were registered in 75/313 (24%) pregnancies. Drug side-effects were observed in 3/313 (0.9%) pregnancies. Statistical analysis identified a significantly higher live birth rate and/or a significantly lower number of severe complications in the pregnancies treated with IVIG, HCQ, pravastatin, PE+IVIG and PE+LDS. CONCLUSION Our results suggest using low-dose IVIG (< 2 g/Kg/month) or HCQ 400 mg/day starting before pregnancy in women with APS refractory to conventional therapy, while high-dose IVIG (2 g/Kg/month) associated with PE or alone in those with high risk±refractory APS.
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Affiliation(s)
- Amelia Ruffatti
- Rheumatology Unit, Department of Medicine, University Hospital of Padua, Padua Italy.
| | - Marta Tonello
- Rheumatology Unit, Department of Medicine, University Hospital of Padua, Padua Italy
| | - Maria Favaro
- Rheumatology Unit, Department of Medicine, University Hospital of Padua, Padua Italy
| | - Teresa Del Ross
- Rheumatology Unit, Department of Medicine, University Hospital of Padua, Padua Italy
| | - Antonia Calligaro
- Rheumatology Unit, Department of Medicine, University Hospital of Padua, Padua Italy
| | - Alessandra Teresa Ruffatti
- Gynaecology and Obstetrics Unit, Department of Woman and Child Health, University Hospital of Padua, Padua, Italy
| | - Maria Teresa Gervasi
- Gynaecology and Obstetrics Unit, Department of Woman and Child Health, University Hospital of Padua, Padua, Italy
| | - Ariela Hoxha
- Rheumatology Unit, Department of Medicine, University Hospital of Padua, Padua Italy; Internal Medicine Unit, Department of Medicine, San Bortolo Hospital, Vicenza, Italy
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15
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Cohen H, Cuadrado MJ, Erkan D, Duarte-Garcia A, Isenberg DA, Knight JS, Ortel TL, Rahman A, Salmon JE, Tektonidou MG, Williams DJ, Willis R, Woller SC, Andrade D. 16th International Congress on Antiphospholipid Antibodies Task Force Report on Antiphospholipid Syndrome Treatment Trends. Lupus 2020; 29:1571-1593. [PMID: 33100166 PMCID: PMC7658424 DOI: 10.1177/0961203320950461] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 07/24/2020] [Indexed: 12/13/2022]
Abstract
Antiphospholipid syndrome (APS), an acquired autoimmune thrombophilia, is characterised by thrombosis and/or pregnancy morbidity in association with persistent antiphospholipid antibodies. The 16th International Congress on Antiphospholipid Antibodies Task Force on APS Treatment Trends reviewed the current status with regard to existing and novel treatment trends for APS, which is the focus of this Task Force report. The report addresses current treatments and developments since the last report, on the use of direct oral anticoagulants in patients with APS, antiplatelet agents, adjunctive therapies (hydroxychloroquine, statins and vitamin D), targeted treatment including rituximab, belimumab, and anti-TNF agents, complement inhibition and drugs based on peptides of beta-2-glycoprotein I. In addition, the report summarises potential new players, including coenzyme Q10, adenosine receptor agonists and adenosine potentiation. In each case, the report provides recommendations for clinicians, based on the current state of the art, and suggests a clinical research agenda. The initiation and development of appropriate clinical studies requires a focus on devising suitable outcome measures, including a disease activity index, an optimal damage index, and a specific quality of life index.
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Affiliation(s)
- Hannah Cohen
- Haemostasis Research Unit, Department of Haematology, University
College London, London, UK
- University College London Hospitals NHS Foundation Trust,
London, UK
| | - Maria J Cuadrado
- Rheumatology Department, Clinica Universidad de Navarra, Madrid,
Spain
| | - Doruk Erkan
- Barbara Volcker Center for Women and Rheumatic Disease, Hospital
for Special Surgery, Weill Cornell Medicine, New York, NY, USA
| | - Ali Duarte-Garcia
- Division of Rheumatology, Department of Internal Medicine, Mayo
Clinic, Rochester, Minnesota, USA
- Robert D. and Patricia E. Kern Center for the Science of Health
Care Delivery, Mayo Clinic, Rochester, Minnesota, USA
| | - David A Isenberg
- University College London Hospitals NHS Foundation Trust,
London, UK
- Centre for Rheumatology, Division of Medicine, University
College London, London, UK
| | - Jason S Knight
- Division of Rheumatology, University of Michigan, Ann Arbor,
Michigan, USA
| | - Thomas L Ortel
- Division of Hematology, Department of Medicine, and Department
of Pathology, Duke University Medical Center, Durham, NC, USA
| | - Anisur Rahman
- Centre for Rheumatology, Division of Medicine, University
College London, London, UK
| | - Jane E Salmon
- Division of Rheumatology, Hospital for Special surgery, Weill
Cornell Medicine, New York, NY, USA
| | - Maria G Tektonidou
- First Department of Propaedeutic Internal Medicine, National
and Kapodistrian University of Athens, Athens, Greece
| | - David J Williams
- University College London Hospitals NHS Foundation Trust,
London, UK
- UCL EGA Institute for Women’s Health, University College
London, London, UK
| | - Rohan Willis
- Antiphospholipid Standardization Laboratory, University of
Texas Medical Branch, Galveston, TX, USA
| | - Scott C Woller
- Department of Medicine, Intermountain Medical Center, Murray
UT; Division of General Internal Medicine, University of Utah School of
Medicine, Salt Lake City, UT, USA
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16
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Chighizola CB, Lonati PA, Trespidi L, Meroni PL, Tedesco F. The Complement System in the Pathophysiology of Pregnancy and in Systemic Autoimmune Rheumatic Diseases During Pregnancy. Front Immunol 2020; 11:2084. [PMID: 32973817 PMCID: PMC7481445 DOI: 10.3389/fimmu.2020.02084] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 07/30/2020] [Indexed: 12/16/2022] Open
Abstract
The complement system plays a double role in pregnancy exerting both protective and damaging effects at placental level. Complement activation at fetal-maternal interface participates in protection against infectious agents and helps remove apoptotic and necrotic cells. Locally synthesized C1q contributes to the physiologic vascular remodeling of spiral arteries characterized by loss of smooth muscle cells and transformation into large dilated vessels. Complement activation triggered by the inflammatory process induced by embryo implantation can damage trophoblast and other decidual cells that may lead to pregnancy complications if the cells are not protected by the complement regulators CD55, CD46, and CD59 expressed on cell surface. However, uncontrolled complement activation induces placental alterations resulting in adverse pregnancy outcomes. This may occur in pathological conditions characterized by placental localization of complement fixing antibodies directed against beta2-glycoprotein 1, as in patients with anti-phospholipid syndrome, or circulating immune complexes deposited in placenta, as in patients with systemic lupus erythematosus. In other diseases, such as preeclampsia, the mechanism of complement activation responsible for complement deposits in placenta is unclear. Conflicting results have been reported on the relevance of complement assays as diagnostic and prognostic tools to assess complement involvement in pregnant patients with these disorders.
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Affiliation(s)
- Cecilia Beatrice Chighizola
- Experimental Laboratory of Immunological and Rheumatologic Researches, Istituto Auxologico Italiano, IRCCS, Milan, Italy
| | - Paola Adele Lonati
- Experimental Laboratory of Immunological and Rheumatologic Researches, Istituto Auxologico Italiano, IRCCS, Milan, Italy
| | - Laura Trespidi
- Department of Obstetrics and Gynaecology, Fondazione Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Pier Luigi Meroni
- Experimental Laboratory of Immunological and Rheumatologic Researches, Istituto Auxologico Italiano, IRCCS, Milan, Italy
| | - Francesco Tedesco
- Experimental Laboratory of Immunological and Rheumatologic Researches, Istituto Auxologico Italiano, IRCCS, Milan, Italy
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17
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Vasanthamohan L, Choo S, Marshall T, Symons YT, Matsui D, Eastabrook G, Solh Z. Peripartum hyperhemolysis prophylaxis and management in sickle cell disease: A case report and narrative review. Transfusion 2020; 60:2448-2455. [PMID: 32851670 DOI: 10.1111/trf.16003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 05/26/2020] [Accepted: 06/29/2020] [Indexed: 01/04/2023]
Abstract
BACKGROUND Sickle cell disease (SCD) is associated with hematologic complications including delayed hemolytic transfusion reactions (DHTRs) and pregnancy-related morbidity and mortality. Hyperhemolysis syndrome (HS) is the most severe form of DHTR in patients with SCD, in which both transfused and native red blood cells are destroyed. Further transfusions are avoided after a history of HS. Immunosuppressive agents can be used as prophylaxis against life-threatening hemolysis when transfusion is necessary. There is a paucity of evidence for the use of HS prophylaxis before transfusions, the continuation of hydroxyurea (HU) in lieu of chronic transfusion, and the use of erythropoiesis-stimulating agents (ESA) in pregnant SCD patients. CASE REPORT We present a case of a pregnant patient with SCD and a previous history of HS. HS prophylaxis was given before transfusion with corticosteroids, intravenous immunoglobulin, and rituximab. In addition, HU was continued during pregnancy to control SCD, along with the use of concomitant ESA to maintain adequate hemoglobin levels and avoid transfusion. We describe a multidisciplinary approach to pregnancy and delivery management including tailored anesthetic and obstetric planning. CONCLUSION This is the first published case of HS prophylaxis in a pregnant SCD patient, with good maternal and fetal outcomes after transfusion. HU and ESAs were able to control SCD and mitigate anemia in lieu of prophylactic transfusions during pregnancy. Further prospective studies are necessary to elucidate the ideal management of pregnant SCD patients with a history of HS or other contraindications to chronic transfusion.
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Affiliation(s)
- Lakshman Vasanthamohan
- Department of Medicine, Division of Hematology, Western University, London, Ontario, Canada
| | - Sheryl Choo
- Department of Obstetrics & Gynecology, Western University, London, Ontario, Canada
| | - Tonisha Marshall
- Department of Obstetrics & Gynecology, Western University, London, Ontario, Canada
| | | | - Doreen Matsui
- Department of Pediatrics, Division of Clinical Pharmacology, Western University, London, Ontario, Canada
| | - Genevieve Eastabrook
- Department of Obstetrics & Gynecology, Western University, London, Ontario, Canada
| | - Ziad Solh
- Department of Medicine, Division of Hematology, Western University, London, Ontario, Canada.,Department of Pathology & Laboratory Medicine, Division of Transfusion Medicine, Western University, London, Ontario, Canada
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18
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So S, Fischer E, Gangadharan Komala M, Bose B. Postpartum atypical hemolytic uremic syndrome: Evaluating thrombotic microangiopathy in the pregnant woman. Obstet Med 2020; 14:105-108. [PMID: 34394720 DOI: 10.1177/1753495x20926043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 04/20/2020] [Indexed: 12/23/2022] Open
Abstract
Acute kidney injury in women during pregnancy and the puerperium is often ascribed to hypertensive complications of pregnancy, especially pre-eclampsia. However, rarer causes, including atypical hemolytic uremic syndrome (aHUS) can be triggered by pregnancy. We present a case of a woman with post-partum acute kidney injury due to aHUS, which was successfully treated with the C5a inhibitor eculizumab. We also present a summary of the evaluation and management of thrombotic microangiopathy in pregnancy.
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Affiliation(s)
- S So
- Department of Renal Medicine, Nepean Hospital, Kingswood, Australia
| | - E Fischer
- Department of Renal Medicine, Nepean Hospital, Kingswood, Australia
| | - M Gangadharan Komala
- Department of Renal Medicine, Nepean Hospital, Kingswood, Australia.,Nepean Clinical School, University of Sydney, Kingswood, Australia
| | - B Bose
- Department of Renal Medicine, Nepean Hospital, Kingswood, Australia.,Nepean Clinical School, University of Sydney, Kingswood, Australia
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19
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Nasonov EL, Reshetnyak TM, Alekberova ZS. [Thrombotic microangiopathy in rheumatology: a link between thrombosis and autoimmunity]. TERAPEVT ARKH 2020; 92:4-14. [PMID: 32598770 DOI: 10.26442/00403660.2020.05.000697] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Indexed: 12/16/2022]
Abstract
Uncontrolled hypercoagulation and inflammation (thromboinflammation), which are both independent and closely related and amplifying each other pathological processes, form the basis for pathogenesis of a wide range of diseases and complications, including immuno-inflammatory (autoimmune) rheumatic diseases, with the development of potentially fatal injuries of internal organs. Thrombotic microangiopathy is one of the most prominent prototypes of thromboinflammatory pathological conditions. The close link between environmental factors, hemostasis genetic defects and the complement system, inflammation and autoimmunity as pathogenetic mechanisms of microthrombosis draws particular attention to studying thrombotic microangiopathy in immuno-inflammatory rheumatic diseases, primarily systemic lupus erythematosus, antiphospholipid syndrome and scleroderma renal crisis. In future, these studies may be important for expanding the idea of the role of autoimmune mechanisms in pathogenesis of critical hemostasis disorders in human diseases, and for developing new approaches to therapy. Recently, special attention has been paid to the treatment of systemic lupus erythematosus and antiphospholipid syndrome with eculizumab, which is humanized monoclonal IgG2/4k antibody that blocks the complement component C5a and the membrane attack complex (C5b-9) formation, and which is registered for the treatment of atypical hemolytic uremic syndrome, paroxysmal nocturnal hemoglobinuria, as well as severe forms of myasthenia gravis and neuromyelitis optica. Further studies in this direction will create prerequisites for improving the prognosis not only in patients with orphan disorders, but also for widespread human diseases.
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20
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Rodziewicz M, D'Cruz DP. An update on the management of antiphospholipid syndrome. Ther Adv Musculoskelet Dis 2020; 12:1759720X20910855. [PMID: 32523633 PMCID: PMC7236388 DOI: 10.1177/1759720x20910855] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 01/30/2020] [Indexed: 11/21/2022] Open
Abstract
Antiphospholipid syndrome (APS) is a systemic autoimmune disorder characterized by recurrent venous or arterial thrombosis with or without pregnancy morbidity in the presence of persistent antiphospholipid (aPL) autoantibodies. Anticoagulation has, until now, formed the cornerstone of treatment but a significant proportion of patients continue to experience thrombosis and pregnancy morbidity despite this treatment. Thrombosis is the most common cause of mortality and accounts for two fifths of deaths. Direct oral anticoagulant drugs represent an attractive alternative to conventional vitamin K antagonist drugs but emerging evidence suggests these may not be suitable for high-risk patients with thrombotic APS. Laboratory studies and case reports of the successful use of different classes of drugs in APS is increasing our understanding of the other pathophysiological mechanisms which may contribute to the high morbidity of APS. This review summarizes current accepted anticoagulant treatment for APS and examines other potential drugs such as immunomodulating agents, statins and novel agents such as sirolimus and defibrotide.
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Affiliation(s)
- Mia Rodziewicz
- Louise Coote Lupus Unit, Guy's Hospital, 4th Floor Tower Wing, Great Maze Pond, London SE1 9RT, UK
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21
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Duineveld C, Wijnsma KL, Volokhina EB, van den Heuvel LPB, van de Kar NCAJ, Wetzels JFM. Placental passage of eculizumab and complement blockade in a newborn. Kidney Int 2020; 95:996. [PMID: 30904074 DOI: 10.1016/j.kint.2019.01.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 01/15/2019] [Accepted: 01/23/2019] [Indexed: 10/27/2022]
Affiliation(s)
- Caroline Duineveld
- Department of Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Kioa L Wijnsma
- Radboud Institute for Molecular Life Sciences, Amalia Children's Hospital, Department of Pediatric Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Elena B Volokhina
- Radboud Institute for Molecular Life Sciences, Amalia Children's Hospital, Department of Pediatric Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands; Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - L P Bert van den Heuvel
- Radboud Institute for Molecular Life Sciences, Amalia Children's Hospital, Department of Pediatric Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands; Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Nicole C A J van de Kar
- Radboud Institute for Molecular Life Sciences, Amalia Children's Hospital, Department of Pediatric Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jack F M Wetzels
- Department of Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands
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22
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Abstract
Antiphospholipid syndrome is an autoimmune systemic disorder characterized by arterial, venous, or small vessel thrombosis and/or recurrent early pregnancy loss, fetal loss, or pregnancy morbidity in the setting of documented persistent antiphospholipid antibodies that include the lupus anticoagulant, or moderate-high titer anticardiolipin, or anti-β2Glycoprotein I antibodies. Associated clinical manifestations include livedo reticularis, cutaneous ulcerations, thrombocytopenia, hemolytic anemia, valvular heart disease, and nephropathy. The degree of risk associated with antiphospholipid antibody depends on the characteristics of the antiphospholipid antibody profile and on the presence of additional thrombotic risk factors. Current standard treatment for unprovoked thrombosis is long-term warfarin or other vitamin K antagonist therapy. Treatment to prevent recurrent obstetric complications is low-dose aspirin and prophylactic heparin, usually low-molecular-weight heparin. Optimal treatment for standard therapy failures or for certain nonthrombotic manifestations is uncertain, although nonanticoagulation therapies that address multiple demonstrated mechanisms of disease are being explored.
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Affiliation(s)
- Lisa R Sammaritano
- Associate Professor of Clinical Medicine, Weill Cornell Medicine, Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA.
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23
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Scambi C, Ugolini S, Tonello M, Bortolami O, De Franceschi L, Castagna A, Lotti V, Corbella M, Raffaelli R, Caramaschi P, Mattia E, Biasi D, Ruffatti A. Complement activation in the plasma and placentas of women with different subsets of antiphospholipid syndrome. Am J Reprod Immunol 2019; 82:e13185. [DOI: 10.1111/aji.13185] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 07/13/2019] [Accepted: 08/21/2019] [Indexed: 11/29/2022] Open
Affiliation(s)
- Cinzia Scambi
- Department of Medicine Rheumatology Unit University Hospital of Verona Verona Italy
| | - Sara Ugolini
- Department of Medicine Section of Internal Medicine University Hospital of Verona Verona Italy
| | - Marta Tonello
- Department of Medicine Rheumatology Unit University Hospital of Padua Padua Italy
| | - Oscar Bortolami
- Department of Diagnostics and Public Health University Hospital of Verona Verona Italy
| | | | | | - Virginia Lotti
- Department of Medicine Rheumatology Unit University Hospital of Verona Verona Italy
| | - Michela Corbella
- Department of Medicine University Hospital of Verona Verona Italy
| | - Ricciarda Raffaelli
- Department of Surgical Sciences Dentistry, Gynecology and Pediatrics University Hospital of Verona Verona Italy
| | - Paola Caramaschi
- Department of Medicine University Hospital of Verona Verona Italy
| | - Elena Mattia
- Department of Medicine Rheumatology Unit University Hospital of Padua Padua Italy
| | - Domenico Biasi
- Department of Medicine Rheumatology Unit University Hospital of Verona Verona Italy
| | - Amelia Ruffatti
- Department of Medicine Rheumatology Unit University Hospital of Padua Padua Italy
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25
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The Extended Use of Eculizumab in Pregnancy and Complement Activation⁻Associated Diseases Affecting Maternal, Fetal and Neonatal Kidneys-The Future Is Now? J Clin Med 2019; 8:jcm8030407. [PMID: 30909646 PMCID: PMC6463259 DOI: 10.3390/jcm8030407] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 03/14/2019] [Accepted: 03/19/2019] [Indexed: 12/18/2022] Open
Abstract
Excessive complement activation is involved in the pathogenesis of many diseases and the kidney is an organ with particular susceptibility to complement-mediated injury. Apart from paroxysmal nocturnal hemoglobinuria (PNH) and atypical hemolytic uremic syndrome (aHUS), there are several other diseases with clear evidence of complement activation affecting both maternal and fetal kidneys during pregnancy and causing long-term adverse outcomes. Several novel drugs have been recently developed for blocking the complement cascade, including purified plasma proteins, new monoclonal antibodies, recombinant proteins, small molecules, and small interfering RNA agents. Eculizumab, the humanized monoclonal IgG2/4-antibody targeting C5 was approved by the United States Food and Drug Administration (FDA) and the European Medicines Agency (EMA) for treatment of two rare diseases: PNH in 2007 and aHUS in 2011. There is an increasing number of publications of successful use of eculizumab for off-label indications, e.g., in pregnant women with antiphospholipid syndrome, sickle-cell anemia, and HELLP syndrome. These severe diseases are associated with both high maternal and fetal morbidity and mortality rate and substantial prematurity. Eculizumab has considerably improved overall outcome of patients with PNH and aHUS, enabling safe pregnancy for many women. Prolongation of pregnancy and the use of eculizumab, even for only a few weeks, may protect not only maternal renal function, but also alleviate acute and long-term renal consequences of prematurity in offspring.
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Chaturvedi S, Brodsky RA, McCrae KR. Complement in the Pathophysiology of the Antiphospholipid Syndrome. Front Immunol 2019; 10:449. [PMID: 30923524 PMCID: PMC6426753 DOI: 10.3389/fimmu.2019.00449] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Accepted: 02/19/2019] [Indexed: 12/16/2022] Open
Abstract
The antiphospholipid syndrome (APS) is characterized by thrombosis and pregnancy morbidity in the presence of antiphospholipid antibodies (aPL). Complement is a system of enzymes and regulatory proteins of the innate immune system that plays a key role in the inflammatory response to pathogenic stimuli. The complement and coagulation pathways are closely linked, and expanding data indicate that complement may be activated in patients with aPL and function as a cofactor in the pathogenesis of aPL-associated clinical events. Complement activation by aPL generates C5a, which induces neutrophil tissue factor-dependent procoagulant activity. Beta-2-glycoprotein I, the primary antigen for pathogenic aPL, has complement regulatory effects in vitro. Moreover, aPL induce fetal loss in wild-type mice but not in mice deficient in specific complement components (C3, C5). Antiphospholipid antibodies also induce thrombosis in wild type mice and this effect is attenuated in C3 or C6 deficient mice, or in the presence of a C5 inhibitor. Increased levels of complement activation products have been demonstrated in sera of patients with aPL, though the association with clinical events remains unclear. Eculizumab, a terminal complement inhibitor, has successfully been used to treat catastrophic APS and prevent APS-related thrombotic microangiopathy in the setting of renal transplant. However, the mechanisms of complement activation in APS, its role in the pathogenesis of aPL related complications in humans, and the potential of complement inhibition as a therapeutic target in APS require further study.
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Affiliation(s)
- Shruti Chaturvedi
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Robert A Brodsky
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Keith R McCrae
- Hematologic Oncology and Blood Disorders, Taussig Cancer Institute, Cleveland, OH, United States.,Department of Cellular and Molecular Medicine, Cleveland Clinic, Cleveland, OH, United States
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Ruffatti A, Favaro M, Calligaro A, Zambon A, Del Ross T. Management of pregnant women with antiphospholipid antibodies. Expert Rev Clin Immunol 2019; 15:347-358. [DOI: 10.1080/1744666x.2019.1565995] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Amelia Ruffatti
- Rheumatology Unit, Department of Medicine, University Hospital of Padua, Padua, Italy
| | - Maria Favaro
- Rheumatology Unit, Department of Medicine, University Hospital of Padua, Padua, Italy
| | - Antonia Calligaro
- Rheumatology Unit, Department of Medicine, University Hospital of Padua, Padua, Italy
| | - Alessandra Zambon
- Obstetrics and Gynecology Unit, Department of Woman’s and Child’s Health, University Hospital of Padua, Padua, Italy
| | - Teresa Del Ross
- Rheumatology Unit, Department of Medicine, University Hospital of Padua, Padua, Italy
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Kello N, Khoury LE, Marder G, Furie R, Zapantis E, Horowitz DL. Secondary thrombotic microangiopathy in systemic lupus erythematosus and antiphospholipid syndrome, the role of complement and use of eculizumab: Case series and review of literature. Semin Arthritis Rheum 2018; 49:74-83. [PMID: 30598332 DOI: 10.1016/j.semarthrit.2018.11.005] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 10/25/2018] [Accepted: 11/26/2018] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Thrombotic microangiopathy (TMA) is a life-threatening, albeit infrequent, complication of systemic lupus erythematosus (SLE) and anti-phospholipid syndrome (APS). Recommendations for the treatment of SLE- and APS-related secondary TMA are currently based solely on case reports and expert opinion. Unfortunately, interventions may not yield timely results or effectively halt the progression of TMA. Since complement activation plays a key role in the pathogenesis of secondary TMA due to SLE, APS, a therapy that targets the complement pathway is an attractive intervention. Eculizumab, a recombinant, fully humanized IgG2/IgG4 monoclonal antibody inhibits C5 activation and is FDA-approved for PNH and atypical HUS (aHUS). However, limited case reports are available on its use in treatment of secondary TMA. CASE PRESENTATION AND RESULTS We present the largest case series to date that includes 9 patients with SLE and/or APS who were successfully treated with eculizumab for refractory secondary TMA. In this case series, we report significant responses in hematology values, renal function and other organs following treatment with eculizumab. At 4 weeks, 75% improvement in platelet counts was observed in 78% of patients. Two-thirds of patients demonstrated >75% improvement of haptoglobin and LDH at four weeks. At 4 weeks, eGFR improved by 25% in half of the patients, and 43% had reductions in proteinuria. Two of 3 patients that required hemodialysis were able to be taken off hemodialysis. CONCLUSION Based on these observations, we suggest that eculizumab may be a potential treatment option for acutely ill patients with secondary TMA due to SLE and/or APS who have failed standard of care. A collective approach is needed to better elucidate the role and optimal timing of eculizumab use in the management of TMA complicating SLE and/or APS.
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Affiliation(s)
- Nina Kello
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, 865 Northern Boulevard, Suite 302, Great Neck, NY 11021, USA.
| | - Lara El Khoury
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, 865 Northern Boulevard, Suite 302, Great Neck, NY 11021, USA
| | - Galina Marder
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, 865 Northern Boulevard, Suite 302, Great Neck, NY 11021, USA
| | - Richard Furie
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, 865 Northern Boulevard, Suite 302, Great Neck, NY 11021, USA
| | - Ekaterini Zapantis
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, 865 Northern Boulevard, Suite 302, Great Neck, NY 11021, USA
| | - Diane Lewis Horowitz
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, 865 Northern Boulevard, Suite 302, Great Neck, NY 11021, USA
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Fleetwood T, Cantello R, Comi C. Antiphospholipid Syndrome and the Neurologist: From Pathogenesis to Therapy. Front Neurol 2018; 9:1001. [PMID: 30534110 PMCID: PMC6275383 DOI: 10.3389/fneur.2018.01001] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 11/06/2018] [Indexed: 12/16/2022] Open
Abstract
Antiphospholipid syndrome (APS) is an autoimmune antibody-mediated condition characterized by thrombotic events and/or pregnancy morbidity in association with persistent positivity to antiphospholipid antibodies (aPL). The nervous system is frequently affected, as intracranial vessels are the most frequent site of arterial pathology. Over the course of years, many other neurological conditions not included in the diagnostic criteria, have been associated with APS. The pathogenic mechanisms behind the syndrome are complex and not fully elucidated. aPL enhance thrombosis, interfering with different pathways. Nevertheless, ischemic injury is not always sufficient to explain clinical features of the syndrome and immune-mediated damage has been advocated. This may be particularly relevant in the context of neurological complications. The reason why only a subgroup of patients develop non-criteria nervous system disorders and what determines the clinical phenotype are questions that remain open. The double nature, thrombotic and immunologic, of APS is also reflected by therapeutic strategies. In this review we summarize known neurological manifestations of APS, revisiting pathogenesis and current treatment options.
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Affiliation(s)
- Thomas Fleetwood
- Section of Neurology, Department of Translational Medicine University of Eastern Piedmont, Novara, Italy
| | - Roberto Cantello
- Section of Neurology, Department of Translational Medicine University of Eastern Piedmont, Novara, Italy
| | - Cristoforo Comi
- Section of Neurology, Department of Translational Medicine University of Eastern Piedmont, Novara, Italy.,Interdisciplinary Research Centre of Autoimmune Diseases University of Eastern Piedmont, Novara, Italy
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Rovere-Querini P, Canti V, Erra R, Bianchi E, Slaviero G, D’Angelo A, Rosa S, Candiani M, Castiglioni MT. Eculizumab in a pregnant patient with laboratory onset of catastrophic antiphospholipid syndrome: A case report. Medicine (Baltimore) 2018; 97:e12584. [PMID: 30290624 PMCID: PMC6200483 DOI: 10.1097/md.0000000000012584] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
RATIONALE Hypercoagulability and pregnancy morbidity are hallmarks of the antiphospholipid syndrome (APS). Catastrophic antiphospholipid syndrome (CAPS) is a potentially life-threatening omplication of APS, with widespread acute thrombotic microangiopathy (TMA) that can be precipitated by pregnancy and delivery and result in multiorgan damage. Unrestrained activation of the complement cascade is involved, favoring endothelial activation, tissue factor expression by leukocytes, and platelet aggregation. The complement block, which interrupts this amplification cycle, could prevent CAPS in patients with early TMA who face precipitating events. PATIENT CONCERNS We present a nulliparous pregnant woman with APS at the 30 week of gestation who has developed thrombocytopenia, intravascular hemolysis, elevated creatinine, proteinuria, and hematuria. DIAGNOSES These featurs were compatible with the diagnosis of CAPS. Consensually, serum C3 protein levels were rapidly decreasing, reflecting complement consumption. INTERVENTIONS She was treated with eculizumab, a humanized monoclonal antibody against C5 that prevents the formation of the complement membrane attack complex. OUTCOMES Laboratory parameters improved and the patient did not develop thrombosis or detectable organ/tissue damage. The patient safely delivered by cesarean section at week 32 of gestation a healthy 1640 g male infant. After 5 days, she received additional eculizumab, with complete resolution of the clinical condition. Low complement activity was detectable in the infant blood for a week after delivery. No infectious complication occurred. LESSONS Inhibition of the terminal complement activation is safe and might be effective in patients with APS developing early TMA, enabling safe delivery and preventing thrombotic events both in the mother and in the newborn.
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Affiliation(s)
- Patrizia Rovere-Querini
- Division of Immunology, Transplantation and Infectious diseases, IRCCS Ospedale San Raffaele
- Università Vita-Salute San Raffaele
| | - Valentina Canti
- Division of Immunology, Transplantation and Infectious diseases, IRCCS Ospedale San Raffaele
| | - Roberta Erra
- Division of Immunology, Transplantation and Infectious diseases, IRCCS Ospedale San Raffaele
| | - Esperia Bianchi
- Division of Immunology, Transplantation and Infectious diseases, IRCCS Ospedale San Raffaele
| | | | | | - Susanna Rosa
- Department of Obstetrics and Gynecology, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Massimo Candiani
- Università Vita-Salute San Raffaele
- Department of Obstetrics and Gynecology, IRCCS Ospedale San Raffaele, Milan, Italy
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Li D, Wang L, Horiuchi I, Kimura S, Chikazawa K, Kimura A, Sasaki S, Kuwata T, Takagi K. Preoperative administration of eculizumab to prevent surgery-triggered hemolysis during cesarean section with paroxysmal nocturnal hemoglobinuria. Clin Case Rep 2018; 6:1807-1809. [PMID: 30214768 PMCID: PMC6132156 DOI: 10.1002/ccr3.1707] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Accepted: 06/19/2018] [Indexed: 11/07/2022] Open
Abstract
Eculizumab in pregnancy has been reported to be effective in improving outcomes in patients with paroxysmal nocturnal hemoglobinuria. However, a cesarean section may result in surgery-triggered hemolysis. An additional dose of eculizumab just prior to delivery is an appropriate choice to prevent postoperative hemolysis.
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Affiliation(s)
- Dongping Li
- Perinatal and Maternal Center of Saitama Medical CenterJichi Medical UniversitySaitamaJapan
| | - Liangcheng Wang
- Perinatal and Maternal Center of Saitama Medical CenterJichi Medical UniversitySaitamaJapan
| | - Isao Horiuchi
- Perinatal and Maternal Center of Saitama Medical CenterJichi Medical UniversitySaitamaJapan
| | - Shun‐ichi Kimura
- Division of HematologySaitama Medical CenterJichi Medical UniversitySaitamaJapan
| | - Kenro Chikazawa
- Perinatal and Maternal Center of Saitama Medical CenterJichi Medical UniversitySaitamaJapan
| | - Azusa Kimura
- Perinatal and Maternal Center of Saitama Medical CenterJichi Medical UniversitySaitamaJapan
| | - Shigetane Sasaki
- Perinatal and Maternal Center of Saitama Medical CenterJichi Medical UniversitySaitamaJapan
| | - Tomoyuki Kuwata
- Perinatal and Maternal Center of Saitama Medical CenterJichi Medical UniversitySaitamaJapan
| | - Kenjiro Takagi
- Perinatal and Maternal Center of Saitama Medical CenterJichi Medical UniversitySaitamaJapan
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Gerardi MC, Fernandes MA, Tincani A, Andreoli L. Obstetric Anti-phospholipid Syndrome: State of the Art. Curr Rheumatol Rep 2018; 20:59. [PMID: 30105597 DOI: 10.1007/s11926-018-0772-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE OF REVIEW This review focuses on new pathogenesis and clinical-therapeutic aspects of obstetric anti-phospholipid syndrome (ob-APS) in the last 5 years. RECENT FINDINGS The pathogenesis of ob-APS is multifactorial, including placental infarctions, infiltration of inflammatory cells that cause acute and chronic inflammation, leading to uncontrolled inflammation and poor pregnancy outcomes. A preconception counseling and a patient-tailored treatment are fundamental to improve maternal and fetal outcomes. Thanks to conventional treatment, based on low-dose aspirin and heparin, 70% of women with ob-APS can have successful pregnancies. Women with positive anti-phospholipid antibodies (aPL) without clinical manifestations ("aPL carriers") or with obstetric manifestation not fulfilling ob-APS criteria need to be further investigated in order to assess their best management. Great interest has been given to drugs that could interact in the pathophysiological mechanisms, such as hydroxychloroquine, statins, and eculizumab. These drugs could be considered for patients refractory to conventional therapy.
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Affiliation(s)
- Maria Chiara Gerardi
- Rheumatology and Clinical Immunology Unit and Department of Clinical and Experimental Sciences, Spedali Civili and University of Brescia, Brescia, Italy
| | - Melissa Alexandre Fernandes
- Autoimmune Disease Unit-Department of Internal Medicine, Hospital Curry Cabral/Centro Hospitalar Lisboa Central, Lisbon, Portugal
| | - Angela Tincani
- Rheumatology and Clinical Immunology Unit and Department of Clinical and Experimental Sciences, Spedali Civili and University of Brescia, Brescia, Italy
| | - Laura Andreoli
- Rheumatology and Clinical Immunology Unit and Department of Clinical and Experimental Sciences, Spedali Civili and University of Brescia, Brescia, Italy.
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33
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Tedesco F, Borghi MO, Gerosa M, Chighizola CB, Macor P, Lonati PA, Gulino A, Belmonte B, Meroni PL. Pathogenic Role of Complement in Antiphospholipid Syndrome and Therapeutic Implications. Front Immunol 2018; 9:1388. [PMID: 29971066 PMCID: PMC6018396 DOI: 10.3389/fimmu.2018.01388] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 06/05/2018] [Indexed: 12/17/2022] Open
Abstract
Antiphospholipid syndrome (APS) is an acquired autoimmune disease characterized by thromboembolic events, pregnancy morbidity, and the presence of antiphospholipid (aPL) antibodies. There is sound evidence that aPL act as pathogenic autoantibodies being responsible for vascular clots and miscarriages. However, the exact mechanisms involved in the clinical manifestations of the syndrome are still a matter of investigation. In particular, while vascular thrombosis is apparently not associated with inflammation, the pathogenesis of miscarriages can be explained only in part by the aPL-mediated hypercoagulable state and additional non-thrombotic effects, including placental inflammation, have been described. Despite this difference, evidence obtained from animal models and studies in APS patients support the conclusion that complement activation is a common denominator in both vascular and obstetric APS. Tissue-bound aPL rather than circulating aPL-beta2 glycoprotein I immune complexes seem to be responsible for the activation of the classical and the alternative complement pathways. The critical role of complement is supported by the finding that complement-deficient animals are protected from the pathogenic effect of passively infused aPL and similar results have been obtained blocking complement activation. Moreover, elevated levels of complement activation products in the absence of abnormalities in regulatory molecules have been found in the plasma of APS patients, strongly suggesting that the activation of complement cascade is the result of aPL binding to the target antigen rather than of a defective regulation. Placental complement deposits represent a further marker of complement activation both in animals and in patients, and there is also some suggestive evidence that complement activation products are deposited in the affected vessels. The aim of this review is to analyze the state of the art of complement involvement in the pathogenesis of APS in order to provide insights into the role of this system as predictive biomarker for the clinical manifestations and as therapeutic target.
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Affiliation(s)
- Francesco Tedesco
- Immunorheumatology Research Laboratory, Istituto Auxologico Italiano, Milan, Italy
| | - Maria Orietta Borghi
- Immunorheumatology Research Laboratory, Istituto Auxologico Italiano, Milan, Italy.,Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Maria Gerosa
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Cecilia Beatrice Chighizola
- Immunorheumatology Research Laboratory, Istituto Auxologico Italiano, Milan, Italy.,Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Paolo Macor
- Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Paola Adele Lonati
- Immunorheumatology Research Laboratory, Istituto Auxologico Italiano, Milan, Italy
| | - Alessandro Gulino
- Tumor Immunology Unit, Human Pathology Section, Department of Health Sciences, University of Palermo, Palermo, Italy
| | - Beatrice Belmonte
- Tumor Immunology Unit, Human Pathology Section, Department of Health Sciences, University of Palermo, Palermo, Italy
| | - Pier Luigi Meroni
- Immunorheumatology Research Laboratory, Istituto Auxologico Italiano, Milan, Italy
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Cavazzana I, Andreoli L, Limper M, Franceschini F, Tincani A. Update on Antiphospholipid Syndrome: Ten Topics in 2017. Curr Rheumatol Rep 2018. [DOI: 10.1007/s11926-018-0718-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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35
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Dobrowolski C, Erkan D. Treatment of antiphospholipid syndrome beyond anticoagulation. Clin Immunol 2018; 206:53-62. [PMID: 29510235 DOI: 10.1016/j.clim.2018.03.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 03/02/2018] [Accepted: 03/02/2018] [Indexed: 10/17/2022]
Abstract
Antiphospholipid syndrome (APS) is a systemic autoimmune disorder marked by thrombosis and/or pregnancy morbidity in the presence of antiphospholipid antibodies (aPL). At the present time, treatment is primarily focused on anticoagulation. However, there is increasing awareness of the mechanisms involved in APS pathogenesis, which has led to the trial of novel therapies targeting those mechanisms. Following a brief review of the etiopathogenesis of and current management strategies in APS, this paper focuses on the evidence for these potential, targeted APS treatments, e.g., hydroxychloroquine, statins, rituximab, belimumab, eculizumab, defibrotide, sirolimus, and peptide therapy.
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Affiliation(s)
| | - Doruk Erkan
- Barbara Volcker Center for Women and Rheumatic Diseases, Hospital for Special Surgery, Weill Cornell Medicine, New York, NY, USA.
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36
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Colla L, Diena D, Rossetti M, Manzione AM, Marozio L, Benedetto C, Biancone L. Immunosuppression in pregnant women with renal disease: review of the latest evidence in the biologics era. J Nephrol 2018; 31:361-383. [DOI: 10.1007/s40620-018-0477-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 02/03/2018] [Indexed: 02/07/2023]
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Girardi G. Complement activation, a threat to pregnancy. Semin Immunopathol 2017; 40:103-111. [PMID: 28900713 DOI: 10.1007/s00281-017-0645-x] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 08/03/2017] [Indexed: 12/11/2022]
Abstract
Pregnancy poses a challenge for the immune systems of placental mammals. As fetal tissues are semi-allogeneic and alloantibodies that commonly develop in the mother, the fetus and the placenta might be subject to complement-mediated immune attack with the potential risk of adverse pregnancy outcomes. Here, I describe how the use of animal models was pivotal in demonstrating that complement inhibition at the fetomaternal interface is essential for a successful pregnancy. Studies in animals also helped the identification of uncontrolled complement activation as a crucial effector in the pathogenesis of recurrent miscarriages, intrauterine growth restriction, preeclampsia, and preterm birth. Clinical studies employing complement biomarkers in plasma and urine showed an association between dysregulation of the complement system and adverse pregnancy outcomes. A better understanding of the role of the complement system in pregnancy complications will allow a rational approach to manipulate its activation as a potential therapeutic strategy with the goal of protecting pregnancies and improving long-term outcomes for mother and child.
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Affiliation(s)
- Guillermina Girardi
- Pregnancy Laboratory, Department of Women and Children's Health, The Rayne Institute, St Thomas' Hospital, King's College London, London, SE1 7EH, UK.
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38
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Ricklin D, Barratt-Due A, Mollnes TE. Complement in clinical medicine: Clinical trials, case reports and therapy monitoring. Mol Immunol 2017; 89:10-21. [PMID: 28576323 DOI: 10.1016/j.molimm.2017.05.013] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 05/15/2017] [Accepted: 05/19/2017] [Indexed: 01/13/2023]
Abstract
Research during past decades made it evident that complement is involved in more tasks than fighting infections, but has important roles in other immune surveillance and housekeeping functions. If the balance between complement activation and regulation is out of tune, however, complement can quickly turn against the host and contribute to adverse processes that result in various clinical conditions. Whereas clinical awareness was initially focused on complement deficiencies, excessive activation and insufficient regulation are frequently the dominant factors in complement-related disorders. The individual complement profile of a patient often determines the course and severity of the disease, and the pathophysiological involvement of complement may be highly diverse. As a consequence, complement assays have evolved as essential tools not only in initial diagnosis but also for following disease progression and for monitoring complement-targeted therapies, which become increasingly available in routine clinical use. We herein review the current state of complement-directed drug candidates in clinical evaluation and provide an overview of extended indications considered for the FDA-approved inhibitor eculizumab. Furthermore we review the literature describing cases reports and case series where eculizumab has been used "off-label". Finally, we give a summary of the currently available tests to measure complement profiles and discuss their suitability in diagnostics and treatment monitoring. With complement finally entering the clinical arena, there are intriguing opportunities for treating complement-mediated diseases. However, this progress also requires a new awareness about complement pathophysiology, adequate diagnostic tools and suitable treatment options among clinicians treating patients with such disorders.
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Affiliation(s)
- Daniel Ricklin
- Department of Pharmaceutical Sciences, University of Basel, Switzerland.
| | - Andreas Barratt-Due
- Department of Immunology, Oslo University Hospital, and K. G. Jebsen Inflammation Research Centre, University of Oslo, Norway; Department of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway
| | - Tom Eirik Mollnes
- Department of Immunology, Oslo University Hospital, and K. G. Jebsen Inflammation Research Centre, University of Oslo, Norway; Research Laboratory Nordland Hospital, Bodø, and K. G. Jebsen TREC, University of Tromsø, Tromsø, Norway; Centre of Molecular Inflammation, Norwegian University of Science and Technology, Trondheim, Norway.
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