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Iron Chelation With Deferasirox Patients With Hemochromatosis Chronic PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Iron Chelation With Deferasirox Patients With Hemochromatosis Chronic articles that have been published worldwide.
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Iron overload adversely affects patients with myelodysplastic syndromes (MDS), but benefits of iron chelation therapy have not been clearly demonstrated. We examined the association between deferasirox (DFX) therapy and mortality in transfusion-receiving Medicare patients.
Simultaneous Determination of Plasma Deferasirox and Deferasirox-Iron Complex Using an HPLC-UV System and Pharmacokinetics of Deferasirox in Patients With β-Thalassemia Major: Once-Daily Versus Twice-Daily Administration.
Deferasirox (DEFR), when administered BID, improves iron overload and decreases DEFR-related adverse effects in patients with β-thalassemia major. However, the pharmacokinetic (PK) disposition of DEFR and the iron-DEFR complex (Fe-[DEFR]2) in this dosing strategy is unclear.
Myocardial siderosis in β-thalassemia major (β-TM) remains the leading cause of death. Deferasirox (DFX), a new iron chelation treatment, has proved to be effective in reducing or preventing cardiac iron burden in thalassemic patients according to clinical trials with maximum duration of up to 3 years except one that was recently published and lasted 5 years. The aim of this study was to evaluate the efficacy of DFX in reducing or preventing cardiac iron burden in 23 patients with β-TM after 5 years of t...
Deferasirox (DFX) monotherapy is effective for reducing myocardial and liver iron concentrations (LIC), although some patients may require intensive chelation for a limited duration. HYPERION, an open-label, single-arm, prospective Phase II study (NCT01254227) evaluated combination DFX-deferoxamine (DFO) in patients with severe transfusional myocardial siderosis (mT2* 5-10 ms. Mean dose was 30.5 mg/kg/day DFX and 36.3 mg/kg/day DFO on a 5-day regimen. Geometric mean mT2* ratios (GmeanMonth12/24/Gmeanbaselin...
Because of insufficient erythropoiesis, peripheral hemolysis and increased gastrointestinal iron absorption, iron overload is still a matter of debate in β-thalassemia intermedia (β-TI) patients, which can be overcome using iron chelators. However, data on use of iron chelators in β-TI patients is highly restricted. The aim of this study was to evaluate the efficacy of oral administration of deferasirox (Exjade® or DFX) by assessment of serum ferritin levels in β-TI patients. In this quasi-experimental...
Deferasirox (DFX) is an orally administered iron chelator approved for use in patients with transfusion-dependent iron overload due to myelodysplastic syndromes (MDS). The safety and efficacy of DFX has been explored in clinical trial settings, but there is little data on unselected patients with MDS. The aim of this study was to retrospectively evaluate the safety, compliance, efficacy and effect on haematopoiesis of DFX in a large 'real-world' MDS population. One hundred and eighteen patients with transfu...
Pythium insidiosum iron acquisition mechanisms are unknown. We previously showed that the iron chelator deferasirox had weak activity in vitro and in rabbits with experimental pythiosis. Here we show that deferasirox causes damage to P. insidiosum hyphae in vitro, but that activity is diminished in the presence of exogenous iron. The tissue activity of the proinflammatory enzyme adenosine deaminase and the histological pattern observed in pythiosis lesions of rabbits treated with deferasirox were similar to...
At present, very few data are available on deferasirox (DFX) in the treatment of patients with Philadelphia negative myeloproliferative neoplasms in fibrotic phase (FP-MPN) and transfusion dependence. To address this issue, a retrospective analysis of 28 patients (22 male, 6 female) with FP-MPN and iron overload secondary to transfusion dependence was performed, based on patients enrolled in the database of our regional cooperative group who received treatment with DFX. DFX was started after a median interv...
Hereditary hemochromatosis leads to an increased lifetime risk for end-organ damage due to excess iron deposition. Guidelines recommend that genetic testing be performed in patients with clinical suspicion of iron overload accompanied by elevated serum ferritin and transferrin saturation levels.
We identified no reports of long-term follow-up of participants in hemochromatosis screening programs. We evaluated causes of death and survival in non-C282Y homozygous Canadian participants in the primary care-based hemochromatosis and iron overload screening (HEIRS) study.
Efficacy and safety of deferasirox estimated by serum ferritin and labile plasma iron levels in patients with aplastic anemia, myelodysplastic syndrome, or acute myeloid leukemia with transfusional iron overload.
Patients receiving red blood cell (RBC) transfusions are at risk of iron overload, which can cause significant organ damage and is an important cause of morbidity and mortality.
Iron deficiency and iron deficiency anemia are global health problems leading to deterioration in patients' quality of life and more serious prognosis in patients with chronic diseases. The cause of iron deficiency and anemia is ususally a combination of increased loss and decreased intestinal absorption and delivery from iron stores due to inflammation. Oral iron is first line treatment, but often hampered by intolerance. Intravenous iron is safe, and the preferred treatment in patients with chronic inflam...
To identify the type of iron deposition and describe its amount, distribution and associated lesions, in order to support an etiologic diagnosis for hemochromatosis.
Hereditary hemochromatosis is an autosomal recessive disorder of iron metabolism resulting in toxic accumulation of iron in vital organs. We present a 64-year-old white man with non-Hodgkin lymphoma treated with high-dose chemotherapy and stem cell transplant that was subsequently diagnosed with hereditary hemochromatosis. F-FDG PET/CT was performed as routine follow-up and showed a pathological finding of homogeneous increased liver glucose metabolism. Increased FDG avidity in the liver suggested the prese...
Iron abnormalities in chronic liver disease may be the result of genetic diseases or secondary factors. The present study aimed to identify subjects with HFE-HH in order to describe the frequency of clinical manifestations, identify risk factors for iron elevation, and compare the iron profile of HFE-HH to other genotypes in liver disease patients. A total of 108 individuals with hepatic disease, transferrin saturation (TS) > 45%, and serum ferritin (SF) > 350 ng/mL were tested for HFE mutations. Two grou...
One of the most common causes of anemia of chronic disease (ACD) is chronic kidney disease. The main pathomechanism responsible for ACD is subclinical inflammation. The key element involved in iron metabolism is hepcidin, however, studies on new indices of iron status are in progress.The aim of the study was to assess the iron status in patients in early stages of chronic kidney disease, iron correlation with inflammation parameters and novel biomarkers of iron metabolism.
A d4 -labeled isotopomer of deferasirox was synthesized as internal standard for use in a LC/mass spectroscopy (MS)/MS method developed for the simultaneous quantitative determination of deferasirox in human serum. d4 -deferasirox was synthesized from d8 -toluene.
Despite its biological importance, iron is a pro-oxidant element and its accumulation results in tissue injury. Iron overload diseases such as thalassemia and hereditary hemochromatosis are commonly associated with liver tissue injury. Glutamyl cysteine (GC) is a dipeptide with antioxidant properties owing to its cysteine residue. The aim of the current work was to investigate the hepatoprotective effect of GC against iron overload-induced liver injury. Rats were distributed into five groups; normal control...
chronic inflammation induced by obesity alters iron homeostasis leading to mild /moderate iron deficiency and anaemia. Between 14% and 43% of patients may suffer from iron deficiency without anaemia before surgery. The management of peri-operative iron deficiency improves patient outcome and quality of life. Under certain circumstances intravenous (IV) iron must be considered. IV iron (which may avoid iron blockage in enterocytes and macrophages) has turned out to be a safe and efficient alternative. Objeti...
Arthropathy that mimics osteoarthritis (OA) and osteoporosis (OP) is considered a complication of hereditary hemochromatosis (HH). We have limited data comparing OA and OP prevalence among HH patients with different hemochromatosis type 1 (HFE) genotypes. We investigated the prevalence of OA and OP in patients with HH by C282Y homozygosity and compound heterozygosity (C282Y/H63D) genotype.
The main causes for renal anemia are insufficient erythropoietin production and absolute and/or functional iron deficiency. Absolute iron deficiency occurs with blood losses (most common are gastro-intestinal bleedings and hemodialysis treatments) or inadequate iron absorption in the gut (mainly due to increased circulating hepcidin or treatment with erythropoiesis stimulating agents). The explanation for functional iron deficiency is the high level of circulating hepcidin found in chronic kidney disease pa...
Iron overload is frequently observed in patients with chronic hepatitis C (CHC) and is associated with the increased risk of liver fibrosis and carcinogenesis. Hepcidin is a regulator of iron homeostasis and a component of innate immunity. Based on experimental studies, iron overload might be a result of low hepcidin synthesis in CHC.
Switching Patients with Non-Dialysis Chronic Kidney Disease from Oral Iron to Intravenous Ferric Carboxymaltose: Effects on Erythropoiesis-Stimulating Agent Requirements, Costs, Hemoglobin and Iron Status.
Patients with non-dialysis-dependent chronic kidney disease (ND-CKD) often receive an erythropoiesis-stimulating agent (ESA) and oral iron treatment. This study evaluated whether a switch from oral iron to intravenous ferric carboxymaltose can reduce ESA requirements and improve iron status and hemoglobin in patients with ND-CKD.
Anemia is a common comorbidity of patients with heart failure, and iron deficiency is known as one of the causes of anemia in heart failure. Recent studies have shown that iron deficiency alone, without overt anemia, is associated with poor outcomes in patients with heart failure. Thus, to minimize the mortality in patients with heart failure, it is important to understand the link between iron deficiency and cardiac function. Chronic untreated iron deficiency results in cardiac remodeling, and we have prev...
Iron, an essential nutrient, is required for many diverse biological processes. The absence of a defined pathway to excrete excess iron makes it essential for the body to regulate the amount of iron absorbed; a deficiency could lead to iron deficiency and an excess to iron overload, and associated disorders such as anemia and hemochromatosis, respectively. This regulation is mediated by the iron-regulatory hormone hepcidin. Hepcidin binds to the only known iron export protein, ferroportin, inducing its inte...