PubMed Journals Articles About "Iron Chelation With Deferasirox Patients With Hemochromatosis Chronic" 
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Showing "Iron Chelation with Deferasirox Patients with Hemochromatosis Chronic" PubMed Articles 1–25 of 66,000+
Iron Chelation with Deferasirox in Two Patients with HFE Hemochromatosis and Chronic Anemia.
We present 2 patients with hyperferritinemia, increased liver iron and hemochromatosis-associated HFE genotypes. At diagnosis, both patients had chronic anemia that prevented initiation of phlebotomy. Iron chelation with deferasirox proved to be a safe and effective means of substantially lowering ferritin levels.
Effect of Deferasirox Chelation on Liver Iron and Total Body Iron Concentration.
OBJECTIVE: To determine efficacy of Deferasirox (DFX) on total body iron and liver iron concentration (LIC) as estimated by serum ferritin (SF) and liver MRI T2*. METHODS: Thirty patients had baseline MRI T2* of the liver performed to determine LIC before starting DFX therapy and classified as normal >6.3 milliseconds (ms), mild 6.3-2.7 ms, moderate 2.7-1.4 ms and severe iron overload
Deferasirox : pharmacokinetics and clinical experience.
Introduction: Iron overload is an inevitable consequence of transfusion therapy for a variety of underlying anemias. Iron overload, without effective chelation, will lead to significant morbidity and mortality. Deferasirox (Exjade®) is an oral tridentate iron chelator used for reducing iron overload. Areas covered: In addition to the pharmacokinetic and pharmacodynamic profile of deferasirox, this review examines the efficacy and safety data from pivotal studies with deferasirox in iron-overloaded...
Heart failure due to myocardial iron overload remains the leading cause of morbidity and mortality in adult thalassemia major (TM) patients. We evaluated the removal of cardiac iron and the changes of cardiac function by different iron chelation in TM patients by T2* cardiac magnetic resonance (CMR). Sixty-seven TM patients (27 males/40 females; mean age, 35 ± 6 years) on different chelation regimens underwent T2* CMR at baseline (t (0)), after 6-14 months (t (1)) and after 32 ± 7 months (t (2)...
Myelodysplastic syndrome (MDS) is characterized by dysplastic and ineffective hematopoiesis, peripheral blood cytopenias, and a risk of leukemic transformation. Most MDS patients eventually require red blood cell (RBC) transfusions for anemia and consequently develop iron overload. Excess free iron in cells catalyzes generation of reactive oxygen species that cause oxidative stress, including oxidative DNA damage. However, it is uncertain how iron-mediated oxidative stress affects the pathophysiology of MDS...
In Germany and Central Europe, congenital disorders leading to secondary hemochromatosis are rare. The majority of these patients are treated in peripheral medical institutions. As a consequence, the experience of each institution in the treatment of secondary hemochromatosis in patients with congenital anemia is limited. Recent developments concerning new chelating agents, their combination for intensified chelation and new possibilities to diagnose and monitor iron overload have important consequences for...
Although thalassaemia is highly prevalent in the Asia-Pacific region, clinical data on efficacy and safety profiles of deferasirox in patients from this region are rather limited. Recently, data from the multicentre Evaluation of Patients' Iron Chelation with Exjade (EPIC) study in 1744 patients with different anaemias has provided an opportunity to analyse 1115 thalassaemia patients, of whom 444 patients were from five countries in the Asia-Pacific region (AP) for whom thalassaemia management and choice of...
Chelation of chromium(VI) by combining deferasirox and deferiprone in rats.
The present research is aimed to characterize the potential efficiency of two chelators after chromium(VI) administration for 60 days following two doses of 15 and 30 mg/kg chromium(VI) per body weight daily to male rats. However, the hypothesis that the two chelators might be more efficient as combined therapy than as single therapy in removing chromium(VI) from rat organs was considered. In this way, two known chelators deferasirox and deferiprone were chosen and given orally as a single or combined the...
Removal of thallium by deferasirox in rats as biological model.
The present research aimed to characterize the potential efficiency of deferasirox in removing thallium after its administration for 30 days following two dose levels of 20 and 160 mum of thallium (III) chloride to male Wistar rats every day. After thallium administration some abnormal clinical signs such as red staining around the eyes, greenish mottling on the liver, weakness, loss of hair and weight, were observed in animals. Deferasirox was given orally to different groups of rats for a period of one we...
Abnormal iron regulation in patients with thalassaemia intermedia may lead to iron overload even in the absence of transfusions. There are limited data on iron chelator use in patients with thalassaemia intermedia and no guidelines exist for the management of iron overload. We present data from 11 patients with thalassaemia intermedia treated with deferasirox (Exjade(®) , 10-20 mg/kg/d) for 24 months. Liver iron concentration and serum ferritin levels significantly decreased over the first 12 months...
First report of drug-induced esophagitis by deferasirox.
Deferasirox is a new oral iron chelator used to treat transfusional iron overload. We describe a case of a 79-year-old man with myelodysplastic syndrome (MDS) who developed esophagitis induced by deferasirox. He repeatedly received multiple red blood cell transfusions after a diagnosis of MDS. Two years after starting red blood cell transfusions, he was diagnosed with iron overload, and was then started on deferasirox at 1 g/day with about 400 ml of water. He was admitted to our institution because he was...
No abstract available.
SUMMARY: The 1-year THALASSA study enrolled 166 patients with various non-transfusion-dependent thalassemia (NTDT) syndromes, degrees of iron burden and patient characteristics, and demonstrated the overall efficacy and safety of deferasirox in reducing liver iron concentration (LIC) in these patients. Here, reduction in LIC with deferasirox 5 and 10 mg/kg/day starting dose groups is shown to be consistent across the following patient subgroups - baseline LIC/serum ferritin, age, gender, race, splenectomy (...
Iron overload is present in several cases of double heterozygous sickle-cell/beta-thalassemia (HbS/beta-thal). Deferasirox is an orally administered iron chelator which is effective on iron overloaded patients with transfusion-dependent anemia. The aim of this study was to investigate the efficacy and safety of deferasirox on HbS/beta-thal patients with iron overload. We evaluated 31 adult patients with HbS/beta-thal (14M/17F; median age 41 years) who had serum ferritin levels >1,000 ng/mL and who were spor...
Iron chelation adherence to deferoxamine and deferasirox in thalassemia.
Iron Chelation in the Treatment of Cancer: A New Role for Deferasirox?
Iron plays a crucial role in a number of metabolic pathways including oxygen transport, DNA synthesis, and ATP generation. Although insufficient systemic iron can result in physical impairment, excess iron has also been implicated in a number of diseases including ischemic heart disease, diabetes, and cancer. Iron chelators are agents which bind iron and facilitate its excretion. Experimental iron chelators have demonstrated potent anti-neoplastic properties in a number of cancers in vitro. These agents hav...
We here describe a single-institution experience on 40 patients with myelodysplastic syndromes (MDS) consecutively treated with deferasirox at the dose of 10-30 mg/kg/day according to Consensus Guidelines on Iron Chelation Therapy, outside of clinical trials. Serum ferritin (SF) was measured monthly, and safety assessment included monitoring of adverse events during treatment and of liver and renal parameters. Median SF at baseline of the 40 patients was 2,878 ng/ml. Median dose of deferasirox was 1,125 ...
Abstract Objective: The study evaluated the cost effectiveness of deferasirox (Exjade * ) compared to non-proprietary desferrioxamine (DFO) for the control of transfusional iron overload in lower risk myelodysplastic syndromes (MDS) patients. A UK National Health Service perspective was adopted. Methods: Recent clinical evidence has demonstrated the efficacy and safety of deferasirox in transfusion-dependent MDS patients with elevated serum ferritin levels. An economic model was used to extrapolate the clin...
Deferasirox (DFX) is an oral iron chelator that is used worldwide for the treatment of iron overload. Although serum ferritin level is usually measured as a marker of the efficacy of DFX, we sometimes experienced unexplainable changes in other serum markers for iron. We hypothesized that photometric assays for serum iron (sFe) and unsaturated iron binding capacity (UIBC) might be affected by DFX.
Hepcidin is a key hormone that is involved in the control of iron homeostasis in the body. Physiologically, hepcidin is controlled by iron stores, inflammation, hypoxia, and erythropoiesis. The regulation of hepcidin expression by iron is a complex process that requires the coordination of multiple proteins, including hemojuvelin, bone morphogenetic protein 6 (BMP6), hereditary hemochromatosis protein, transferrin receptor 2, matriptase-2, neogenin, BMP receptors, and transferrin. Misregulation of hepcidin...
Deferasirox is an iron chelating agent for the treatment of transfusional iron over load in patients with chronic anemia. These anemic patients require close monitoring of the deferasirox exposures for ensuring its therapeutic efficacy. Dried blood spot (DBS) sampling methodology has the advantages of low volume of blood withdrawal and ease of transportation and storage over liquid blood methods. A LC-MS/MS based analytical method was developed using reversed phase column with gradient elution program and q...
To date, there is a lack of long-term safety and efficacy data for iron chelation therapy in transfusion-dependent patients with sickle cell disease (SCD). To evaluate the long-term safety and efficacy of deferasirox (a once-daily oral iron chelator), patients with SCD completing a 1-year, Phase II, randomized, deferoxamine (DFO)-controlled study entered a 4-year extension, continuing to receive deferasirox, or switching from DFO to deferasirox. Average actual deferasirox dose was 19·4 ± 6·3 mg/kg...
Hemochromatosis is a common genetic disorder in which iron may progressively accumulate in the liver, heart, and other organs. The primary goal of therapy is iron depletion to normalize body iron stores and to prevent or decrease organ dysfunction. The primary therapy to normalize iron stores is phlebotomy. In this opinion article, we discuss the indications for and monitoring of phlebotomy therapy to achieve iron depletion, maintenance therapy, dietary and pharmacologic maneuvers that could reduce iron abs...
Acquired Proximal Renal Tubular Dysfunction in beta-Thalassemia Patients Treated With Deferasirox.
Deferasirox is a recently approved oral iron chelator for treatment of patients with transfusion-related iron overload. Although renal function disturbances were recognized, proximal renal tubulopathy was not addressed in published safety reports for deferasirox. Although subclinical proximal tubulopathy was described in beta-thalassemia homozygotes, overt Fanconi kidney is not an established disease complication. We describe 4 cases out of 50 children and adults with transfusion-dependent beta-thalassemia,...
The challenges of adherence and persistence with iron chelation therapy.
Due to advances in medical sciences, many chronic diseases that formerly resulted in early death can now be effectively managed with long-term treatment regimens. Patients with potentially fatal anemias, for example, can be treated with ongoing blood transfusions and iron chelation therapy. Ensuring adherence and persistence is challenging, as the benefits of therapy are not perceived immediately. Poor adherence severely compromises the effectiveness of treatment and, therefore, improving compliance in term...
