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PubMed Journals Articles About "Iron Chelation With Deferasirox Patients With Hemochromatosis Chronic" RSS

09:15 EDT 22nd September 2017 | BioPortfolio

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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Showing "Iron Chelation with Deferasirox Patients with Hemochromatosis Chronic" PubMed Articles 1–25 of 40,000+

Deferasirox-Iron Complex Formation Ratio as an Indicator of Long-term Chelation Efficacy in β-Thalassemia Major.

β-Thalassemia major patients with higher total drug levels (deferasirox [DEFR] plus its iron complex) do not yield better serum ferritin (SF) control. This study aimed to determine the concentrations of DEFR and its iron complex (Fe-[DEFR]2) in thalassemia patients to predict the chelation efficacy in terms of SF and cardiac T2* values.


Acute Liver Failure During Deferasirox Chelation: A Toxicity Worth Considering.

This case report details a unique case of acute, reversible liver failure in a 12-year-old male with sickle cell anemia on chronic transfusion protocol and deferasirox chelation. There is substantial literature documenting deferasirox-induced renal injury, including Fanconi syndrome, but less documentation of hepatic toxicity and few reports of hepatic failure. The case highlights the importance of close monitoring of ferritin, bilirubin, and transaminases for patients on deferasirox.

Chelation protocols for the elimination and prevention of iron overload in thalassaemia.

Iron overload toxicity is the main cause of mortality and morbidity in thalassaemia patients. The complete elimination and prevention of iron overload is the main aim of chelation therapy, which can be achieved by chelation protocols that can effectively remove excess iron load and maintain body iron at normal levels. Deferiprone and selected combinations with deferoxamine can be designed, adjusted and used effectively for removing all excess stored iron and for maintaining normal iron stores (NIS) in diffe...


Safety and tolerability of deferasirox in pediatric hematopoietic stem cell transplant recipients: one facility's five years' experience of chelation treatment.

42 pediatric patients with iron overload, who underwent liver biopsy and DFX treatment after hematopoietic stem cell transplantation were included in the study group. The patients were divided into two groups diversified according to deferasirox trough plasma concentrations (DFX Ctrough) with cut-off equal to10 mcg/mL. The average dose of DFX was 25.9 mg/kg in the DFX Ctrough < 10 mcg/mL group versus 19.2 mg/kg in the DFX Ctrough > 10 mcg/mL group (p=0,0003). The mean duration of DFX treatment was 135.7 day...

Efficacy and Safety of Combined Oral Chelation With Deferiprone and Deferasirox in Children With β-Thalassemia Major: An Experience From North India.

A combination of desferrioxamine with either deferiprone (DFP) or deferasirox (DFX) for patients with β-thalassemia major who do not achieve negative iron balance with monotherapy has been studied widely. However, poor compliance resulting from the need for parentral administration of desferrioxamine and its cost necessicitates combining 2 oral chelators.

R2*-relaxometry of the pancreas in patients with human hemochromatosis protein associated hereditary hemochromatosis.

To evaluate pancreatic iron in patients with human hemochromatosis protein associated hereditary hemochromatosis (HHC) using R2* relaxometry.

Eltrombopag: a powerful chelator of cellular or extracellular iron(III) alone or combined with a second chelator.

Eltrombopag (ELT) is a thrombopoietin receptor agonist, also reported to decrease labile iron in leukemia cells. Here we examine the previously undescribed iron(III)-coordinating and cellular iron-mobilizing properties of ELT. We find a high binding constant for iron(III) (log β2=35). Clinically achievable concentrations (1μM) progressively mobilised cellular iron from hepatocyte, cardiomyocyte and pancreatic cell lines, rapidly decreasing intracellular ROS and also restoring insulin secretion in pancreat...

Cardiac iron overload in chronically transfused patients with thalassemia, sickle cell anemia, or myelodysplastic syndrome.

The risk and clinical significance of cardiac iron overload due to chronic transfusion varies with the underlying disease. Cardiac iron overload shortens the life expectancy of patients with thalassemia, whereas its effect is unclear in those with myelodysplastic syndromes (MDS). In patients with sickle cell anemia (SCA), iron does not seem to deposit quickly in the heart. Our primary objective was to assess through a multicentric study the prevalence of cardiac iron overload, defined as a cardiovascular ma...

Iron-chelating therapy with deferasirox in transfusion-dependent, higher risk myelodysplastic syndromes: a retrospective, multicentre study.

Iron chelation is controversial in higher risk myelodysplastic syndromes (HR-MDS), outside the allogeneic transplant setting. We conducted a retrospective, multicentre study in 51 patients with transfusion-dependent, intermediate-to-very high risk MDS, according to the revised international prognostic scoring system, treated with the oral iron chelating agent deferasirox (DFX). Thirty-six patients (71%) received azacitidine concomitantly. DFX was given at a median dose of 1000 mg/day (range 375-2500 mg) f...

Prevalence and predictors of cardiac and liver iron overload in patients with thalassemia: A multicenter study based on real-world data.

Prevalence of cardiac and liver iron overload in patients with thalassemia in real-world practice may vary among different regions especially in the era of widely-used iron chelation therapy. The aim of this study was to determine the prevalence of cardiac and liver iron overload in and the management patterns of patients with thalassemia in real-world practice in Thailand. We established a multicenter registry for patients with thalassemia who underwent magnetic resonance imaging (MRI) as part of their cli...

Prevention of Iron Overload and Long Term Maintenance of Normal Iron Stores in Thalassaemia Major Patients using Deferiprone or Deferiprone Deferoxamine Combination.

Decrease in mortality and morbidity is observed in thalassaemia major patients with reduced iron load in comparison to heavy iron loaded patients. Effective and complete treatment of transfusional iron overload can be achieved by chelation protocols that can eliminate excess iron and maintain normal iron stores (NIS). The maintenance of NIS, i. e., serum ferritin (350 μg/L >), MRI T2* cardiac (>20 ms) and liver (>6.3 ms) relaxation time levels was monitored in 16 thalassaemia major patients (32-53 ye...

New film-coated tablet formulation of deferasirox is well tolerated in patients with thalassemia or lower-risk MDS: Results of the randomized, Phase II ECLIPSE study.

Once-daily deferasirox dispersible tablets (DT) have a well-defined safety and efficacy profile and, compared with parenteral deferoxamine, provide greater patient adherence, satisfaction, and quality of life. However, barriers still exist to optimal adherence, including gastrointestinal tolerability and palatability, leading to development of a new film-coated tablet (FCT) formulation that can be swallowed with a light meal, without the need to disperse into a suspension prior to consumption. The randomize...

Synergistic inhibitory effects of deferasirox in combination with decitabine on leukemia cell lines SKM-1, THP-1, and K-562.

A multi-center study from the French Myelodysplastic Syndrome (MDS) Group confirmed that iron chelation therapy is an independent prognostic factor that can increase the survival rate of patients who are suffering from transfusion-dependent low-risk MDS. In this study, we aimed to explore this clinical phenomena in vitro, by exploring the synergistic effect of the iron chelator Deferasirox (DFX) and the DNA methyl transferase inhibitor Decitabine (DAC) in the leukemia cell lines SKM-1, THP-1, and K-562. Tre...

Type 4B hereditary hemochromatosis associated with a novel mutation in the SLC40A1 gene: A case report and a review of the literature.

Hereditary hemochromatosis can be divided into HFE- and non-HFE-related based on genetic mutations in different genes. HFE-related hemochromatosis is the most common inherited genetic disease in European populations but rare in Asia-pacific region. Recently, non-HFE-related hemochromatosis has been reported in patients from the Asian countries.

Serum Ferritin Concentration Predicts Hepatic Fibrosis Better than Hepatic Iron Concentration in Human HFE-Hemochromatosis.

Ferritin is purported to have proinflammatory and profibrogenic effects on hepatic stellate cells. Thus, rather than acting as a passive indicator of hepatic iron concentration (HIC) in hemochromatosis, ferritin may directly influence fibrosis. This study evaluated whether serum ferritin is a better predictor of hepatic fibrosis compared to variables previously associated with increased fibrosis risk in hemochromatosis.

Deferasirox has strong anti-leukemia activity but may antagonize theanti-leukemia effect of doxorubicin.

Deferasirox (DFX), in addition to its iron-chelation property, has marked anti-proliferative effects on cancer cells. However, the activity and mechanism by which DFX inhibits acute myeloid leukemia (AML) cells remain to be elucidated. Furthermore, the anti-leukemia effect of combining DFX with currently recommended agents doxorubicin (DOX) and cytosine arabinoside (Ara-C) has not been studied. In this study, we show that DFX significantly reduces the viability of three AML cell lines, HL60, THP1, and WEHI3...

Chronic anemia and thyroid function.

Anaemia is a global public health problem affecting both developing and developed countries with major consequences for human health as well as social and economic development. It occurs at all stages of the life cycle, but is more prevalent in pregnant women and young children. Iron deficiency anaemia (IDA) impairs thyroid metabolism in animals and human and may negatively affect growth and develpment of children. On the other hand both overt and subclinical hypothyroidism are associated with anemia and ad...

Plasma neutrophil gelatinase-associated lipocalin is associated with iron status in anemic patients with pre-dialysis chronic kidney disease.

Iron deficiency anemia is common in patients with chronic kidney disease (CKD). Neutrophil gelatinase-associated lipocalin (NGAL), a biomarker of acute kidney injury, is known to be associated with iron metabolism. We investigated whether plasma NGAL level is associated with iron status in pre-dialysis CKD patients with anemia.

Utilizing a Novel Mobile Health "Selfie" Application to Improve Compliance to Iron Chelation in Pediatric Patients Receiving Chronic Transfusions.

Iron chelation therapy can prevent iron overload for pediatric patients with sickle cell disease and β-thalassemia major; however, adherence is suboptimal. Therefore, we developed an intensive training program (ITP), to improve medication management and disease knowledge. The objectives were to determine feasibility of the ITP and its preliminary impact on adherence, disease knowledge, and health outcomes. Pediatric patients were recruited to participate in the ITP over a 90-day period and were followed fo...

Cystathionine β-synthase is required for body iron homeostasis.

Cystathionine β-synthase (CBS) catalyzes the transsulfuration pathway and contributes, among other functions, to the generation of hydrogen sulfide (H2 S). In view of the exceptionally high expression of CBS in the liver and the common interleukin-6 (IL-6) pathway utilized in the regulatory systems of H2 S and hepcidin, we speculate that CBS is involved in body iron homeostasis. We found that CBS knock-out (CBS(-/-) ) mice exhibited anemia and a significant increase in iron content in the serum, liver, spl...

HFE Gene Mutations and Iron Status in 100 Healthy Polish Children.

Iron participates in oxygen transport, energetic, metabolic, and immunologic processes. There are 2 main causes of iron overload: hereditary hemochromatosis which is a primary cause, is a metabolic disorder caused by mutations of genes that control iron metabolism and secondary hemochromatosis caused by multitransfusions, chronic hemolysis, and intake of iron rich food. The most common type of hereditary hemochromatosis is caused by HFE gene mutation. In this study, we analyzed iron metabolism in 100 health...

Characterization of Ferroptosis in Murine Models of Hemochromatosis.

Ferroptosis is a recently identified iron-dependent form of non-apoptotic cell death implicated in brain, kidney, and heart pathology. However, the biological roles of iron and iron metabolism in ferroptosis remain poorly understood. Here, we studied the functional role of iron and iron metabolism in the pathogenesis of ferroptosis. We found that ferric citrate potently induces ferroptosis in murine primary hepatocytes and bone marrow-derived macrophages (BMDMs). Next, we screened for ferroptosis in mice fe...

Underlying Mechanisms of Iron Overloading in Myelodysplastic Syndrome -Review.

Myelodysplastic Syndromes(MDS) comprise a heterogenous group of hematopoietic stem cell malignancies characterized by peripheral cytopenias and have a substantial risk of progression to acute myeloid leukemia(AML). MDS, without effective cure methods, is one of the common hematologic malignant tumors with great threaten to people's health. The phenomenon of iron overloading is common in MDS, which has a poor effect on overall survival and leukemic progression to MDS but get good prognosis by iron chelation ...

Reassessing the Safety Concerns of Utilizing Blood Donations from Patients with Hemochromatosis.

Hereditary hemochromatosis (HH) is a genetic disorder of iron metabolism which may lead to iron overload. Clinical penetrance is low, however those afflicted may develop cirrhosis, hepatocellular carcinoma, diabetes mellitus and cardiomyopathy. Treatment involves regular phlebotomy to reduce the systemic iron burden. In many countries-including the United States-numerous blood centers do not accept donated blood obtained from HH patients during therapeutic phlebotomy and there are inconsistent positions reg...

Periodontal status and serum biomarker levels in HFE hemochromatosis patients. A case series study.

To investigate the association between periodontal status and serum biomarkers in patients with HFE hemochromatosis.


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