نتایج جستجو برای: deferoxamine
تعداد نتایج: 2173 فیلتر نتایج به سال:
background: patients with transfusional iron overload have depended on iron chelation therapy and improving chelation regimens have been of the highest priority. the aim of this study was to compare effect of combined versus monotherapy with deferoxamine (dfo) and deferiprone (dfp) in iron overloaded beta thalassemia (bt) major patients materials and methods we studied 36 bt major patients (mea...
The iron chelator deferoxamine and the polyamine biosynthesis inhibitor eflornithine (DL-alpha-difluoromethylornithine) were examined for anti-Pneumocystis carinii activity in the rat model of P. carinii pneumonia. The activity of deferoxamine at 250, 500, and 1,000 mg/kg given intraperitoneally provides evidence that iron chelation is a promising novel approach to P. carinii chemotherapy. Resu...
Deferiprone is an orally active iron chelator which has emerged from an extensive search for new treatment of iron overload. Comparative studies have shown that at comparable doses deferiprone may be as effective as deferoxamine in removing body iron. Retrospective and prospective studies have shown that deferiprone monotherapy is significantly more effective than deferoxamine in improving myoc...
An expert group of the International Committee on Oral Chelators (ICOC) has recommended a universally effective chelation combination protocol of oral deferiprone (L1) during the day (80-110 mg/kg /day) and subcutaneous deferoxamine (40-60 mg/kg) of a minimum of three nights per week for the rapid, safe and effective depletion of excess body iron in transfused iron loaded patients. Following th...
The iron-chelating agent deferoxamine was studied in an animal model as postresuscitation therapy to prevent late deaths and brain damage following total circulatory arrest and resuscitation. Cardiorespiratory arrest was induced by injection of cold, 1% KCl into the left ventricles of ketamine-anesthetized rats pretreated with succinylcholine, and by discontinuation of positive pressure ventila...
Introduction. Increased resistance of the heart to ischemia/reperfusion (I/R) is an urgent aim physiology, pharmacology, and cardiac surgery, since I/R injury often cause cardiogenic shock subsequent death patients in postoperative period. Materials methods. The study was carried out male rats which were subjected coronary artery occlusion (45 min) reperfusion (2 h). Before occlusion, early hyp...
The activities of iron chelators (deferoxamine, deferiprone, Apo6619, and VK28) were evaluated against type strains of Acinetobacter baumannii, Pseudomonas aeruginosa, Staphylococcus aureus, Klebsiella pneumoniae, and Escherichia coli. Deferiprone, Apo6619, and VK28 each inhibited growth in standard and RPMI tissue culture medium, while deferoxamine had no effect. Additionally, time-kill assays...
The optimal regimen of intravenous deferoxamine for iron overload in high-risk homozygous b-thalassemia is unknown because only short-term follow-up has been described in small patient groups. We report the outcome over a 16-year period of a continuous 24-hour deferoxamine regimen, with dose adjustment for serum ferritin, delivered via 25 indwelling intravenous lines for 17 patients. Treatment ...
Blood transfusion and iron chelation currently represent a supportive therapy to manage anemia, vasculopathy and vaso-occlusion crises in Sickle-Cell-Disease. Here we describe the first 5-year long-term randomized clinical trial comparing Deferiprone versus Deferoxamine in patients with Sickle-Cell-Disease. The results of this study show that Deferiprone has the same effectiveness as Deferoxami...
BACKGROUND AND OBJECTIVE Chelation therapy is often necessary for patients who undergo chronic transfusion therapy for myelodysplastic syndromes. In these patients, deferoxamine, the most widely used chelating agent, has been reported to be effective in reducing the iron burden and the transfusion requirement. Unfortunately, compliance with the drug, that is usually administered by slow subcuta...
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