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1.
Lancet Haematol ; 11(8): e617-e628, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38968944

RESUMO

Evans syndrome is a rare disease marked by a severe clinical course, high relapse rate, infectious and thrombotic complications, and sometimes fatal outcome. Management is highly heterogeneous. There are several case reports but few large retrospective studies and no prospective or randomised trials. Here, we report the results of the first consensus-based expert recommendations aimed at harmonising the diagnosis and management of Evans syndrome in adults. After reviewing the literature, we used a fuzzy Delphi consensus method, with two rounds of a 42-item questionnaire that were scored by a panel of 13 international experts from five countries using a 7-point Likert scale. Panellists were selected by the core panel on the basis of their personal experience and previous publications on Evans syndrome and immune cytopenias; they met virtually throughout 2023. The panellists recommended extensive clinical and laboratory diagnostic tests, including bone marrow evaluation and CT scan, and an aggressive front-line therapy with prednisone (with or without intravenous immunoglobulins), with different treatment durations and tapering for immune thrombocytopenia and autoimmune haemolytic anaemias (AIHAs). Rituximab was strongly recommended as first-line treatment in cold-type AIHA and as second-line treatment in warm-type AIHA and patients with immune thrombocytopenia and antiphospholipid antibodies, previous thrombotic events, or associated lymphoproliferative diseases. However, rituximab was discouraged for patients with immunodeficiency or severe infections, with the same applying to splenectomy. Thrombopoietin receptor agonists were recommended for chronic immune thrombocytopenia and in the case of previous grade 4 infection. Fostamatinib was recommended as third-line or further-line treatment and suggested as second-line therapy for patients with previous thrombotic events. Immunosuppressive agents have been moved to third-line or further-line treatment. The panellists recommended the use of recombinant erythropoietin in AIHA in the case of inadequate reticulocyte counts, use of the complement inhibitor sutimlimab for relapsed cold AIHA, and the combination of rituximab plus bendamustine in Evans syndrome secondary to lymphoproliferative disorders. Finally, recommendations were given for supportive therapy, platelet or red blood cell transfusions, and thrombotic and antibiotic prophylaxis. These consensus-based recommendations should facilitate best practice for diagnosis and management of Evans syndrome in clinical practice.


Assuntos
Anemia Hemolítica Autoimune , Trombocitopenia , Humanos , Anemia Hemolítica Autoimune/diagnóstico , Anemia Hemolítica Autoimune/terapia , Trombocitopenia/diagnóstico , Trombocitopenia/terapia , Trombocitopenia/etiologia , Adulto , Consenso , Gerenciamento Clínico , Rituximab/uso terapêutico , Imunoglobulinas Intravenosas/uso terapêutico
2.
Blood Transfus ; 22(1): 65-74, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-37458717

RESUMO

BACKGROUND: Acute myeloid leukemia (AML) is characterized by a complex spectrum of coagulopathy ranging from hemorrhagic to thrombotic symptoms. To date, platelet count (PLT) and conventional coagulation tests (CCTs) cannot predict hemorrhagic events and thrombotic risk. Thromboelastography (TEG) measures the viscoelastic properties of the clot, thus providing information on the entire process of blood coagulation. The primary aim of the study was to assess the hemostatic balance from AML diagnosis to the end of chemotherapy (CHT) by TEG. MATERIAL AND METHODS: Here we present the results of a prospective study enrolling newly diagnosed AML patients treated with chemotherapy. Patients had complete blood counts (CBCs), TEG and CCTs performed at three time points: 1) diagnosis (T0); 2) during the first cycle of CHT (T1); and 3) at the end of CHT (T2). An algorithm of TEG indirectly calculated thrombin generation (TG). Patients underwent daily follow-up for bleeding and thrombotic episodes up to the time of hospital discharge or death. RESULTS: Eighty consecutive patients were evaluated; forty were eligible for the study, and 21 completed the entire study. At T1, maximum amplitude (MA), TG and K-time were significantly shifted toward a hypocoagulability state compared to T0 (p<0.05), while a hypercoagulable state at T2 was shown by changes in α-angle, MA and TG values. Otherwise, there were no statistically significant differences in CCTs between the evaluated time points. DISCUSSION: Overall, TEG revealed complex and dynamic coagulation abnormalities in patients with AML according to both the course of disease and therapy. Further studies are needed to investigate more fully the role of TEG in defining the hemostatic profile in patients with AML.


Assuntos
Transtornos da Coagulação Sanguínea , Hemostáticos , Leucemia Mieloide Aguda , Trombose , Humanos , Estudos Prospectivos , Hemostasia , Testes de Coagulação Sanguínea/métodos , Tromboelastografia/métodos , Hemorragia/etiologia
3.
Hematology ; 28(1): 2253069, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-37680028

RESUMO

OBJECTIVE: Identify patient preference towards thrombopoietin-receptor agonists (TPO-RAs) and determine the clinical and social impact of immune thrombocytopenia (ITP) in Italy. METHODS: The Thrombopoietin-Receptor Agonist Patient experience (TRAPeze) survey collected responses from Italian residents from 17th January to 28th February 2022. TRAPeze utilized a discrete choice experiment (DCE) to elicit patient preferences towards TPO-RA attributes and a patient burden survey (PBS) to determine ITP disease characteristics and social impact. RESULTS: Seventy-six respondents completed the DCE, of which 69 completed both the DCE and PBS (mean [range] age 45 [18.0-73.0] years, 80% female). TPO-RA attributes with the greatest influence over respondent choice were method of administration (odds ratio [OR] 2.96; 95% confidence interval [CI] 2.16-4.06), drug-food interactions (OR 1.48; 95% CI 1.17-1.86) and frequency of dosing (OR 1.32; 95% CI 1.15-1.52). Respondents were more likely to prefer therapies administered orally over subcutaneous injection (OR 3.76; 95% CI 2.51-5.63), once weekly over once daily (OR 1.83; 95% CI 1.26-2.65), and therapies without food restrictions over with restrictions (OR 1.58; 95% CI 1.17-2.14).The most frequently reported symptoms were bruising (82%), petechiae (65%) and fatigue (64%). Most respondents (84%) felt ITP impacted familial relationships and 71% of employed respondents reported fatigue influencing their ability to work, with 31% reducing working hours. CONCLUSION: Although responses indicated a moderate perception of general health, ITP clearly impacted respondent work and social life. Our findings demonstrate respondents preferred TPO-RAs delivered orally, with less frequent dosing and without food restrictions.


Assuntos
Fármacos Hematológicos , Púrpura Trombocitopênica Idiopática , Trombocitopenia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Fadiga , Itália , Púrpura Trombocitopênica Idiopática/tratamento farmacológico , Trombopoetina/efeitos adversos , Adolescente , Adulto Jovem , Adulto , Idoso
4.
Immunobiology ; 227(6): 152297, 2022 11.
Artigo em Inglês | MEDLINE | ID: mdl-36327544

RESUMO

BACKGROUND: Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) needs iron to replicate itself. Coronaviruses are able to upregulate Chop/Gadd153 and Arg1 genes, consequently leading to CD8 lymphocytes decrease, degradation of asparagine and decreased nitric oxide (NO), thus impairing immune response and antithrombotic functions. Little is known about regulation of genes involved in iron metabolism in paucisymptomatic patients with COVID-19 disease or in patients with iron deficiency treated with sucrosomial iron. METHODS: Whole blood was taken from the COVID-19 patients and from patients with sideropenic anemia, treated or not (control group) with iron supplementations. Enrolled patients were: affected by COVID19 under sucrosomal iron support (group A), affected by COVID-19 not under oral iron support (group B), iron deficiency not under treatment, not affected by COVID19 (control group). After RNA extraction and complementary DNA (cDNA) synthesis of Arg1, Hepcidin and Chop/Gadd153, gene expression from the 3 groups was measured by qRT-PCR. M2 macrophages were detected by cytofluorimetry using CD163 and CD14 markers. RESULTS: Forty patients with COVID-19 (group A), 20 patients with iron deficiency treated with sucrosomial iron (group B) and 20 patients with iron deficiency not under treatment (control group) were enrolled. In all the patients supported with oral sucrosomial iron, the gene expression of Chop, Arg1 and Hepcidin genes was lower than in sideropenic patients not supported with iron, M1 macrophages polarization and functional iron deficiency was also lower in group A and B, than observed in the control group. CONCLUSIONS: New oral iron formulations, as sucrosomial iron, are able to influence the expression of genes like Chop and Arg1 and to influence M2 macrophage polarization mainly in the early phase of COVID-19 disease.


Assuntos
COVID-19 , Compostos Férricos , Deficiências de Ferro , Ferro , Humanos , COVID-19/complicações , Homeostase , Ferro/metabolismo , Deficiências de Ferro/complicações , Deficiências de Ferro/tratamento farmacológico , SARS-CoV-2 , Compostos Férricos/uso terapêutico , Macrófagos
6.
J Pers Med ; 12(3)2022 Feb 27.
Artigo em Inglês | MEDLINE | ID: mdl-35330364

RESUMO

Circulating endothelial cells (CECs) are viable, apoptotic or necrotic cells, identified by CD 146 surface antigen expression, considered a biomarker of thrombotic risk, given their active role in inflammatory, procoagulant and immune processes of the vascular compartment. Growing evidence establishes that CECs are also involved in the pathogenesis of several hematological and solid malignancies. The primary aim of this study was to verify if CEC levels could predict both the course and treatment responses of splanchnic vein thrombosis (SVT), either in patients affected by myeloproliferative neoplasms (MPNs) or liver disease. Thus, a retrospective multicenter study was performed; fifteen patients receiving anticoagulant oral treatment with vitamin k antagonists (VKA) for SVT were evaluated. Nine patients were affected by MPN, and all of them received cytoreduction in addition to anticoagulant therapy; four of these patients had primary myelofibrosis (PMF) and were treated with ruxolitinib (RUX), and one patient with primary myelofibrosis, two patients with essential thrombocythemia (ET), and two patients with polycythemia vera (PV) were treated with hydroxyurea (HU). Six patients affected by liver diseases (three with liver cirrhosis and three with hepatocellular carcinoma) were included as the control group. CECs were assayed by flow cytometry on peripheral blood at specific time points, for up to six months after enrollment. The CEC levels were related to C-reactive protein (CRP) levels, splenic volume reduction, and thrombus recanalization, mainly in MPN patients. In patients with liver cirrhosis (LC) and hepatocellular carcinoma (HCC), for which the mechanism of SVT development is quite different, the relationship between CEC and SV reduction was absent. In conclusion, the CEC levels showed a significant correlation with the extent of venous thrombosis and endothelial cell damage in myeloproliferative neoplasm patients with splanchnic vein thrombosis. Although preliminary, these results show how monitoring CEC levels during cytoreductive and anticoagulant treatments may be useful to improve SVT outcome in MPN patients.

7.
Clin Nutr ESPEN ; 46: 510-518, 2021 12.
Artigo em Inglês | MEDLINE | ID: mdl-34857243

RESUMO

BACKGROUND & AIMS: Recent studies have verified that the SARS-CoV-2 infection (from December 2019 has affected 123 million people throughout the world and more than 3 million people in Italy), can have medium-term and long-term effects, collectively referred to as "post-Covid syndrome" or "long-Covid" characterized by chronic fatigue, followed by muscle weakness, dyspnea and headache. Chronic fatigue or chronic tiredness is a persistent symptom both in patients who have experienced a severe infection and in those who have experienced a mild form of infection. Studies conducted on both patients discharged from hospital and patients managed at home showed that there was no association between the severity of the Coronavirus disease (Covid-19) and the subsequent chronic fatigue symptom. The aim of this study was to evaluate the ability of a nutritional supplement based on vitamins, minerals, amino acids and plant extracts (Apportal®) intake, to ameliorate the general health status in particular the chronic fatigue symptom in subjects after SARS-CoV-2 negativity. METHODS: Participants were advised to take one sachet daily of Apportal® for 28 consecutive days. At the beginning (T0), after 14 days (T1) and after 28 days (T2) of supplementation, general fatigue, mental fatigue and Quality of Life indexes were evaluated through specific questionnaires. The assessment of quality of life and health status were measured through the EuroQoL-5D questionnaire, chronic fatigue using the FACIT-Fatigue questionnaire and mental fatigue using the modified Chalder questionnaire. RESULTS: 201 subjects were enrolled for the study; results showed a significant improvement in all indexes analyzed after 14 and 28 days of supplementation. The main significant improvement was observed after the first 14 days and it was further confirmed at 28 days as well. The RTE (Relative Treatment Effect) trend about quality of life, health status, FACIT-Fatigue and mental fatigue in the three questionnaires was statistically significant (Wald Statistic, p < 0.0001). The data of FACIT-questionnaire showed an improvement of at least 1 unit in 76.62% of subjects after 14 days and in 90.05% of subjects after 28 days. An improvement of 10-unit was found in about one third of subjects after 14 days and in half of the subjects after 28 days. CONCLUSIONS: This study shows that Apportal® can reduce chronic fatigue and improve quality of life and health status in subjects after SARS-CoV-2 negativity due to the synergistic effect of its components.


Assuntos
COVID-19 , Síndrome de Fadiga Crônica , Suplementos Nutricionais , Metabolismo Energético , Humanos , Imunidade , Qualidade de Vida , SARS-CoV-2
8.
Int J Mol Sci ; 22(21)2021 Oct 20.
Artigo em Inglês | MEDLINE | ID: mdl-34768772

RESUMO

Current cytoreductive and antithrombotic strategies in MPNs are mostly based on cell counts and on patient's demographic and clinical history. Despite the numerous studies conducted on platelet function and on the role of plasma factors, an accurate and reliable method to dynamically quantify the hypercoagulability states of these conditions is not yet part of clinical practice. Starting from our experience, and after having sifted through the literature, we propose an in-depth narrative report on the contribution of the clonal platelets of MPNs-rich in tissue factor (TF)-in promoting a perpetual procoagulant mechanism. The whole process results in an unbalanced generation of thrombin and is self-maintained by Protease Activated Receptors (PARs). We chose to define this model as a "circulating wound", as it indisputably links the coagulation, inflammation, and fibrotic progression of the disease, in analogy with what happens in some solid tumours. The platelet contribution to thrombin generation results in triggering a vicious circle supported by the PARs/TGF-beta axis. PAR antagonists could therefore be a good option for target therapy, both to contain the risk of vascular events and to slow the progression of the disease towards end-stage forms. Both the new and old strategies, however, will require tools capable of measuring procoagulant or prohaemorrhagic states in a more extensive and dynamic way to favour a less empirical management of MPNs and their potential clinical complications.


Assuntos
Plaquetas/metabolismo , Leucemia Mieloide Crônica Atípica BCR-ABL Negativa/metabolismo , Trombina/biossíntese , Animais , Bioensaio , Humanos , Leucemia Mieloide Crônica Atípica BCR-ABL Negativa/tratamento farmacológico , Modelos Biológicos , Receptores de Fibrinogênio/metabolismo , Trombina/antagonistas & inibidores , Trombofilia/fisiopatologia
9.
Int J Mol Sci ; 22(2)2021 Jan 08.
Artigo em Inglês | MEDLINE | ID: mdl-33429941

RESUMO

The last decade has been very important for the quantity of preclinical information obtained regarding chronic myeloproliferative neoplasms (MPNs) and the following will be dedicated to the translational implications of the new biological acquisitions. The overcoming of the mechanistic model of clonal evolution and the entry of chronic inflammation and dysimmunity into the new model are the elements on which to base a part of future therapeutic strategies. The innate immune system plays a major role in this context. Protagonists of the initiation and regulation of many pathological aspects, from cytokine storms to fibrosis, the NLRP3 and AIM2 inflammasomes guide and condition the natural history of the disease. For this reason, MPNs share many biological and clinical aspects with non-neoplastic diseases, such as autoimmune disorders. Finally, cardiovascular risk and disturbances in iron metabolism and myelopoiesis are also closely linked to the role of inflammasomes. Although targeted therapies are already being tested, an increase in knowledge on the subject is desirable and potentially translates into better care for patients with MPNs.


Assuntos
Proteínas de Ligação a DNA/genética , Inflamação/genética , Leucemia Mieloide Crônica Atípica BCR-ABL Negativa/genética , Proteína 3 que Contém Domínio de Pirina da Família NLR/genética , Doenças Autoimunes/genética , Doenças Autoimunes/patologia , Evolução Clonal , Humanos , Inflamassomos/genética , Inflamação/patologia , Leucemia Mieloide Crônica Atípica BCR-ABL Negativa/patologia
10.
Ann Hematol ; 100(9): 2173-2179, 2021 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-33263170

RESUMO

Iron deficiency anemia is among the most frequent causes of disability. Intravenous iron is the quickest way to correct iron deficiency, bypassing the bottleneck of iron intestinal absorption, the only true mechanism of iron balance regulation in human body. Intravenous iron administration is suggested in patients who are refractory/intolerant to oral iron sulfate. However, the intravenous way of iron administration requires several precautions; as the in-hospital administration requires a resuscitation service, as imposed in Europe by the European Medicine Agency, it is very expensive and negatively affects patient's perceived quality of life. A new oral iron formulation, Sucrosomial iron, bypassing the normal way of absorption, seems to be cost-effective in correcting iron deficiency anemia at doses higher than those usually effective with other oral iron formulations. In this multicentric randomized study, we analyze the cost-effectiveness of intravenous sodium ferrigluconate vs oral Sucrosomial iron in patients with iron deficiency anemia refractory/intolerant to oral iron sulfate without other interfering factors on iron absorption.


Assuntos
Anemia Ferropriva/tratamento farmacológico , Compostos Férricos/uso terapêutico , Hematínicos/uso terapêutico , Administração Intravenosa , Administração Oral , Adulto , Idoso , Idoso de 80 Anos ou mais , Anemia Ferropriva/economia , Análise Custo-Benefício , Feminino , Compostos Férricos/administração & dosagem , Compostos Férricos/economia , Compostos Ferrosos/uso terapêutico , Hematínicos/administração & dosagem , Hematínicos/economia , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos
11.
BMC Pregnancy Childbirth ; 20(1): 772, 2020 Dec 11.
Artigo em Inglês | MEDLINE | ID: mdl-33308197

RESUMO

BACKGROUND: May-Hegglin anomaly is an autosomal dominant inherited condition, characterized by thrombocytopenia, giant platelets and Dohle-like bodies. Incidence is unknown and affected individuals can show from mild to moderate-severe haemorrhagic symptoms. The cyst of cavum veli interpositi (a virtual space filled with fluid within the third ventricle) is rarely reported in the foetal period. Furthermore, it is unclear whether isolated cavum veli interpositi cysts are a normal variant or developmental malformations. The simultaneous presence of these two anomalies was never described. CASE PRESENTATION: We describe a very rare case of a twin monochorionic pregnancy in a woman with the May-Hegglin anomaly, whose foetuses carried cavum veli interpositi cysts. Since childhood, our patient had shown macro-thrombocytopenia, deafness and bleeding (epistaxis and menorrhagia), but she was misdiagnosed until the age of 30 years when our Centre identified a de novo allelic variant in the gene MYH9 coding for the non-muscle myosin heavy chain IIa. Our patient bled neither during the pregnancy, nor in the peripartum period. Children are now eight-months-old and have never bled, although both inherited the MYH9 variant and have thrombocytopenia with giant platelets. Furthermore, none of them developed psychomotor disorders. CONCLUSIONS: To the best of our knowledge, this is the sixth case of twin pregnancy in a woman carrying May-Hegglin anomaly and the first one with cavum veli interpositi cysts in the neonates. We speculate that MYH9 could have, at least in part, played a role in the development of both conditions, as this gene has a pleiotropic effect.


Assuntos
Cistos/diagnóstico por imagem , Perda Auditiva Neurossensorial/genética , Complicações na Gravidez/genética , Terceiro Ventrículo/anormalidades , Trombocitopenia/congênito , Adulto , Cistos/embriologia , Cistos/genética , Feminino , Perda Auditiva Neurossensorial/diagnóstico , Humanos , Recém-Nascido , Gravidez , Complicações na Gravidez/diagnóstico , Resultado da Gravidez , Gravidez de Gêmeos , Trombocitopenia/diagnóstico , Trombocitopenia/genética , Ultrassonografia Pré-Natal
12.
Acta Haematol ; 143(2): 155-162, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-31533096

RESUMO

Refractory anaemia (RA) among myelodysplastic syndrome (MDS) is associated with a partial functional iron deficit and may require transfusions. In low-risk lymphoma and solid tumour patients, iron support improves erythropoietin (EPO) cost-effectiveness in treating anaemia. The aim of this study is to see if oral sucrosomial iron support improves the cost-effectiveness of EPO treatment in MDS patients affected by low-risk RA. We treated patients with EPO only or with EPO plus oral sucrosomial iron or intravenous (i.v.) iron. The need for transfusions was lowest in the group taking oral iron (p = 0.016) or not receiving supplementation at all (p = 0.022). We compared costs of EPO with i.v. ferric gluconate or oral sucrosomial iron supplementation or no iron supplementation. The oral iron group had fewer side effects, fewer patient medical visits in the out-patient setting, and fewer transfusions; this led to higher savings on direct hospital costs and indirect patient costs (lost days at work) and translated into a 50% abatement of overall expenditures. EPO treatment-related expenditures in MDS-RA patients were lowest with oral sucrosomial iron supplementation (Sideral®), with a longer interval between EPO administration in maintenance treatment, quicker hemoglobin recovery, lower ferritin increase and fewer blood transfusions.


Assuntos
Anemia Refratária/tratamento farmacológico , Eritropoetina/uso terapêutico , Ferro/administração & dosagem , Síndromes Mielodisplásicas/patologia , Idoso , Idoso de 80 Anos ou mais , Anemia Refratária/complicações , Anemia Refratária/economia , Suplementos Nutricionais , Progressão da Doença , Eritropoetina/economia , Feminino , Compostos Férricos/administração & dosagem , Ferritinas/sangue , Custos de Cuidados de Saúde , Humanos , Itália , Masculino , Síndromes Mielodisplásicas/complicações , Resultado do Tratamento
13.
Br J Haematol ; 189(2): 335-338, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-31792942

RESUMO

This study was conducted to evaluate the expression of fibrinogen receptors on platelets of Philadelphia-negative chronic myeloproliferative neoplasm (MPN) patients. We collected blood samples from 40 consecutive MPN patients and healthy volunteers. We performed flow cytometry analysis of P-selectin expression and integrin beta-3, activation of glycoprotein (GP) IIb/IIIa and fibrinogen receptor exposure (PAC-1 binding). Surprisingly, we found a very low PAC-1 binding capacity in MPN patients; however, the expression of PAC-1 was almost completely recovered with aspirin intake. We hypothesize that the hypercoagulable states observed in MPN patients could depend on a primarily plasma-driven impairment of fibrin turnover and thrombin generation.


Assuntos
Aspirina/uso terapêutico , Fibrinogênio/uso terapêutico , Transtornos Mieloproliferativos/tratamento farmacológico , Adulto , Idoso , Idoso de 80 Anos ou mais , Aspirina/farmacologia , Plaquetas , Doença Crônica , Fibrinogênio/farmacologia , Humanos , Pessoa de Meia-Idade
14.
Antioxidants (Basel) ; 7(8)2018 Jul 30.
Artigo em Inglês | MEDLINE | ID: mdl-30061536

RESUMO

Among the various mechanisms involved in aging, it was proposed long ago that a prominent role is played by oxidative stress. A major way by which the latter can provoke structural damage to biological macromolecules, such as DNA, lipids, and proteins, is by fueling the peroxidation of membrane lipids, leading to the production of several reactive aldehydes. Lipid peroxidation-derived aldehydes can not only modify biological macromolecules, by forming covalent electrophilic addition products with them, but also act as second messengers of oxidative stress, having relatively extended lifespans. Their effects might be further enhanced with aging, as their concentrations in cells and biological fluids increase with age. Since the involvement and the role of lipid peroxidation-derived aldehydes, particularly of 4-hydroxynonenal (HNE), in neurodegenerations, inflammation, and cancer, has been discussed in several excellent recent reviews, in the present one we focus on the involvement of reactive aldehydes in other age-related disorders: osteopenia, sarcopenia, immunosenescence and myelodysplastic syndromes. In these aging-related disorders, characterized by increases of oxidative stress, both HNE and malondialdehyde (MDA) play important pathogenic roles. These aldehydes, and HNE in particular, can form adducts with circulating or cellular proteins of critical functional importance, such as the proteins involved in apoptosis in muscle cells, thus leading to their functional decay and acceleration of their molecular turnover and functionality. We suggest that a major fraction of the toxic effects observed in age-related disorders could depend on the formation of aldehyde-protein adducts. New redox proteomic approaches, pinpointing the modifications of distinct cell proteins by the aldehydes generated in the course of oxidative stress, should be extended to these age-associated disorders, to pave the way to targeted therapeutic strategies, aiming to alleviate the burden of morbidity and mortality associated with these disturbances.

15.
Expert Rev Hematol ; 10(8): 685-695, 2017 08.
Artigo em Inglês | MEDLINE | ID: mdl-28656800

RESUMO

INTRODUCTION: Disorders of iron metabolism are commonly seen in onco-hematological clinical practice. Iron-deficiency anemia and cancer-associated anemia are usually treated with supportive therapies. Optimal management of these conditions are discussed in this perspective paper. Areas covered: A position paper discussing a number of hot topics on anemia in cancer patients is presented. The main areas covered by experts in the field are: definitions, prevalence and consequences of anemia and iron deficiency, incidence of anemia resulting from targeted therapies, importance of anemia diagnosis and monitoring, evaluation of iron status before and during treatment, role of transfusions and erythropoiesis-stimulating agents, management of iron deficiency with or without anemia, parenteral iron supplementation, role of new oral iron formulations, safety and cost issues regarding different iron compounds and administration routes. Expert commentary: Despite the availability of newer therapeutic options for its management, anemia still represents a major complication of treatment in cancer patients (surgery, chemotherapy, radiotherapy, targeted therapies), aggravating physical impairment, and negatively affecting general outcome. The view expressed by the panelists, attendees of the 4th Mediterranean Course on Iron Anemia, summarizes what they consider optimal clinical practice for screening, diagnosis, treatment and monitoring of iron deficiency and anemia in cancer patients.


Assuntos
Anemia Ferropriva/etiologia , Anemia Ferropriva/terapia , Neoplasias/complicações , Anemia Ferropriva/diagnóstico , Anemia Ferropriva/epidemiologia , Transfusão de Sangue , Análise Custo-Benefício , Gerenciamento Clínico , Composição de Medicamentos , Custos de Cuidados de Saúde , Humanos , Ferro/administração & dosagem , Ferro/efeitos adversos , Ferro/uso terapêutico , Prevalência
16.
Mol Clin Oncol ; 3(4): 781-784, 2015 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-26171179

RESUMO

Several biosimilar versions of recombinant human erythropoietin are currently approved for use in Europe, including a biosimilar epoetin-α. The aim of this the study was to verify that biosimilar epoetin-α is similar in terms of efficacy, safety and cost to originator epoetin-α for the treatment of refractory anemia in patients with myelodysplastic syndrome. A total of 92 patients with myelodysplasia and refractory anemia were investigated. The patients received either originator (group A) or biosimilar (group B) epoetin-α. In addition, they received liposomal iron (Sideral®), calcium levofolinate and vitamin B12. Moreover, the median monthly overall costs were calculated for each group. The results demonstrated that hemoglobin (Hb) levels increased by 1 g/dl after a median time of 5 weeks in group A and 4 weeks in group B. In group A, a Hb level of >12 g/dl was achieved after 12 weeks, while in group B after 10.5 weeks. The median cost of therapy was 1,536 euros/month in group A and 1,354 euros/month in group B. A total of 5 patients required transfusion support in group A and 7 in group B. In conclusion, biosimilar epoetin-α appears to be comparable to originator epoetin-α in terms of efficacy and safety for the treatment of refractory anemia.

17.
Oncol Rep ; 21(1): 193-8, 2009 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-19082461

RESUMO

In neoplastic patients chemotherapy frequently involves severe myeloid suppression. Sometimes myeloid suppression is the main cause of therapy recycling delay with severe and prolonged neutropenia, anaemia and thrombocytopenia. Our study aimed to verify whether there is a correlation between reticulocyte fractions, reticulocyte indices, myeloperoxidase index (MPXI) and post-chemotherapy myelopoietic function and severe post-chemotherapy neutropenia. A cohort of 112 patients was identified, 30 with lymphoma or myeloma and 82 with solid neoplasms with bone marrow micrometastases. The patients were treated with chemotherapy (CT). After CT, 60 patients had neutropenia (ANC <500/mcl) for a median of 7 days (range 3-21). Before CT, myelopoietic function was assessed by the above-mentioned parameters using a hematologic automated analyzer. We assigned patients with an MPXI-positive value and medium adsorbance fraction of reticulocyte (MFR) >10.7% a score of 1, and a score of 0 was assigned to the remaining patients. Patients with a score of 1 showed a lower number of neutropenic events (only 9 out of 36 patients) than those with a score of 0 (51 out of 76 patients), p<0.0001. MPXI and MFR may be used in the assessment of myelopoiesis before CT administration, independently of the type of tumor, CT regimen and number of CT cycle, with the aim of identifying a patient subset with a lower risk of developing neutropenia post-CT.


Assuntos
Antineoplásicos/efeitos adversos , Mielopoese/efeitos dos fármacos , Neutropenia/diagnóstico , Peroxidase/efeitos dos fármacos , Reticulócitos/efeitos dos fármacos , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Citometria de Fluxo , Testes Hematológicos/métodos , Humanos , Masculino , Pessoa de Meia-Idade , Neutropenia/induzido quimicamente , Peroxidase/metabolismo , Valor Preditivo dos Testes , Reticulócitos/patologia , Fatores de Risco
18.
J Clin Endocrinol Metab ; 90(11): 6085-92, 2005 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-16144947

RESUMO

CONTEXT: Traumatic brain injury (TBI) and subarachnoid hemorrhage (SAH) are conditions at high risk for the development of hypopituitarism. OBJECTIVE: The objective of the study was to clarify whether pituitary deficiencies and normal pituitary function recorded at 3 months would improve or worsen at 12 months after the brain injury. DESIGN AND PATIENTS: Pituitary function was tested at 3 and 12 months in patients who had TBI (n = 70) or SAH (n = 32). RESULTS: In TBI, the 3-month evaluation had shown hypopituitarism (H) in 32.8%. Panhypopituitarism (PH), multiple (MH), and isolated (IH) hypopituitarism had been demonstrated in 5.7, 5.7, and 21.4%, respectively. The retesting demonstrated some degree of H in 22.7%. PH, MH, and IH were present in 5.7, 4.2, and 12.8%, respectively. PH was always confirmed at 12 months, whereas MH and IH were confirmed in 25% only. In 5.5% of TBI with no deficit at 3 months, IH was recorded at retesting. In 13.3% of TBI with IH at 3 months, MH was demonstrated at 12-month retesting. In SAH, the 3-month evaluation had shown H in 46.8%. MH and IH had been demonstrated in 6.2 and 40.6%, respectively. The retesting demonstrated H in 37.5%. MH and IH were present in 6.2 and 31.3%, respectively. Although no MH was confirmed at 12 months, two patients with IH at 3 months showed MH at retesting; 30.7% of SAH with IH at 3 months displayed normal pituitary function at retesting. In SAH, normal pituitary function was always confirmed. In TBI and SAH, the most common deficit was always severe GH deficiency. CONCLUSION: There is high risk for H in TBI and SAH patients. Early diagnosis of PH is always confirmed in the long term. Pituitary function in brain-injured patients may improve over time but, although rarely, may also worsen. Thus, brain-injured patients must undergo neuroendocrine follow-up over time.


Assuntos
Lesões Encefálicas/complicações , Hipopituitarismo/fisiopatologia , Hipófise/fisiopatologia , Hemorragia Subaracnóidea/fisiopatologia , Adulto , Diabetes Insípido/etiologia , Feminino , Hormônio do Crescimento Humano/deficiência , Humanos , Masculino , Estudos Prospectivos
19.
Pituitary ; 8(3-4): 227-31, 2005.
Artigo em Inglês | MEDLINE | ID: mdl-16508713

RESUMO

Traumatic Brain Injury (TBI) and Subarachnoid Haemorrhage (SAH) are conditions at high risk to develop hypopituitarism as pointed out by many papers in scientific literature. But most of the papers were referred to retrospective evaluations, not considering the possible evolution of the pituitary function over time. Aim of our studies was to clarify whether pituitary deficiencies and normal pituitary function recorded at short term follow-up (3 months), would improve or worsen, respectively, at long term (12 months after the brain injury). In a multicenter study protocol, in patients who suffered TBI (n = 70; 50 Males, 20 Females; age 39.31 +/- 2.4 years; BMI 23.8 +/- 0.4 kg/m(2)) or SAH (n = 32; 12M, 20F; age: 51.9 +/- 2.2 year; BMI: 24.7 +/- 0.6 kg/m(2)) we tested 3 and 12 months after the pathological events the pituitary function. In TBI patients, the 3 month evaluation had shown some degree of hypopituitarism in 32.8% and the 12 months retesting demonstrated some degree of hypopituitarism in 22.7%. Total hypopituitarism was always confirmed at 12 months while Multiple and Isolated deficits recorded at 3 months was confirmed in nearly 25% only of the patients. On the other hand, in 5.5% of TBI with normal pituitary function at 3 months Isolated deficits were recorded at 12 months testing. Moreover, in 13.3% of TBI with Isolated deficit at 3 months Multiple hypopituitarism was demonstrated at 12 months retesting. In SAH patients, the 3 months evaluation had shown some degree of hypopituitarism in 46.8% and the 12 month retesting demonstrated some degree of hypopituitarism in 37.5%. No multiple hypopituitarism recorded at 3 months was confirmed at 12 months, but 2 patients with isolated deficits at 3 months showed multiple hypopituitarism at 12 month retesting. At 12 as well as at 3 months, both in TBI and SAH patients, the most common deficit was severe GHD (>20%) followed by secondary hypogonadism and then hypoadrenalism and hypothyroidism. In all, in patients who experienced TBI or SAH the risk to develop hypopituitarism is very high; early diagnosis of total hypopituitarism is always confirmed at the long term follow-up; however pituitary function in brain injured patients may improve over time, because, isolated and even multiple pituitary insufficiencies recorded at short term can be transient; on the other hand normal pituitary function recorder at short term may, become impaired 12 months after the injury. Thus, brain injured patients must undergo neuroendocrine follow-up over time in order to monitoring pituitary function and eventually providing appropriate placement.


Assuntos
Lesões Encefálicas/complicações , Lesões Encefálicas/fisiopatologia , Hipófise/fisiopatologia , Insuficiência Adrenal/etiologia , Adulto , Diabetes Insípido Neurogênico/etiologia , Progressão da Doença , Feminino , Hormônio do Crescimento/deficiência , Humanos , Hipogonadismo/etiologia , Hipopituitarismo/etiologia , Hipopituitarismo/fisiopatologia , Hipotireoidismo/etiologia , Itália , Masculino , Pessoa de Meia-Idade , Hipófise/metabolismo , Estudos Prospectivos , Hemorragia Subaracnóidea/complicações , Hemorragia Subaracnóidea/fisiopatologia , Fatores de Tempo
20.
Clin Endocrinol (Oxf) ; 61(3): 320-6, 2004 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-15355447

RESUMO

OBJECTIVE: Acquired hypopituitarism in adults is obviously suspected in patients with primary hypothalamic-pituitary diseases, particularly after neurosurgery and/or radiotherapy. That brain injuries (BI) can cause hypopituitarism is commonly stated and has been recently emphasized but the management of BI patients does not routinely include neuroendocrine evaluations. AIM: To clarify the occurrence of hypopituitarism in patients after traumatic brain injury (TBI) or subarachnoid haemorrhage (SAH) 3 months after the BI. SUBJECTS AND METHODS: The occurrence of hypopituitarism in conscious patients after traumatic brain injury [TBI, n = 100, 31 women, 69 men; age 37.1 +/- 1.8 years; body mass index (BMI) 23.7 +/- 0.4 kg/m(2); Glasgow Coma Scale (GCS) 3-15] or subarachnoid haemorrhage [SAH, n = 40, 14 men, 26 wpmen, 51.0 +/- 2.0 years; 25.0 +/- 0.6 kg/m(2); Fisher's scale 1-4] was studied in a multicentre study 3 months after the BI. All patients underwent wide basal hormonal evaluation; the GH/IGF-I axis was evaluated by GHRH + arginine test and IGF-I measurement. RESULTS: In TBI patients, some degree of hypopituitarism was shown in 35%. Total, multiple and isolated deficits were present in 4, 6 and 25%, respectively. Diabetes insipidus was present in 4%. Secondary adrenal, thyroid and gonadal deficit was present in 8, 5 and 17%, respectively. Severe GH deficiency (GHD) was the most frequent pituitary defect (25%). In SAH patients, some degree of hypopituitarism was shown in 37.5%. Despite no total hypopituitarism, multiple and isolated deficits were present in 10 and 27.5%, respectively. Diabetes insipidus was present in 7.5%. Secondary adrenal, thyroid and gonadal deficit was present in 2.5, 7.5 and 12.5%, respectively. Severe GHD was the most frequent defect (25%). CONCLUSIONS: TBI and SAH are conditions associated with high risk of acquired hypopituitarism. The pituitary defect is often multiple and severe GHD is the most frequent defect. Thus neuroendocrine evaluations are always mandatory in patients after brain injuries.


Assuntos
Lesões Encefálicas/complicações , Hipopituitarismo/etiologia , Hemorragia Subaracnóidea/complicações , Adulto , Arginina , Lesões Encefálicas/sangue , Feminino , Hormônio do Crescimento/sangue , Hormônio Liberador de Hormônio do Crescimento , Humanos , Hipopituitarismo/sangue , Hipopituitarismo/diagnóstico , Fator de Crescimento Insulin-Like I/análise , Masculino , Pessoa de Meia-Idade , Hipófise/fisiopatologia , Hemorragia Subaracnóidea/sangue , Fatores de Tempo
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