نتایج جستجو برای: iron chelation

تعداد نتایج: 145419  

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...

Background: Effective management of iron overload in patients receiving long-term blood transfusion requires assessment and monitoring of both severity of iron overload and excessive iron chelation. We aimed to evaluate the efficacy and safety of Deferasirox (DFX) in chelation naive patients with transfusion dependent thalassemia and sickle cell disease. Methods: Chelation naive patients with ...

2015
Harpreet Kochhar Chantal S. Leger Heather A. Leitch

Background. Hematologic improvement (HI) occurs in some patients with acquired anemias and transfusional iron overload receiving iron chelation therapy (ICT) but there is little information on transfusion status after stopping chelation. Case Report. A patient with low IPSS risk RARS-T evolved to myelofibrosis developed a regular red blood cell (RBC) transfusion requirement. There was no respon...

2014
Ali T Taher John B Porter Vip Viprakasit Antonis Kattamis Suporn Chuncharunee Pranee Sutcharitchan Noppadol Siritanaratkul Raffaella Origa Zeynep Karakas Dany Habr Zewen Zhu M Domenica Cappellini

OBJECTIVE Patients with non-transfusion-dependent thalassemia (NTDT) often develop iron overload and related complications, and may require iron chelation. However, the risk of over-chelation emerges as patients reach low, near-normal body iron levels and dose adjustments may be needed. In the THALASSA study, the threshold for chelation interruption was LIC <3 mg Fe/g dw (LIC<3); 24 patients re...

Journal: :Neurobiology of Aging 2014
James M. Stankiewicz Mohit Neema Antonia Ceccarelli

Iron is essential for normal cellular functioning of the central nervous system. Abnormalities in iron metabolism may lead to neuronal death and abnormal iron deposition in the brain. Several studies have suggested a link between brain iron deposition in normal aging and chronic neurologic diseases, including multiple sclerosis (MS). In MS, it is still not clear whether iron deposition is an ep...

2013
Zvi Ioav Cabantchik Arnold Munnich Moussa B. Youdim David Devos

The traditional role of iron chelation therapy has been to reduce body iron burden via chelation of excess metal from organs and fluids and its excretion via biliary-fecal and/or urinary routes. In their present use for hemosiderosis, chelation regimens might not be suitable for treating disorders of iron maldistribution, as those are characterized by toxic islands of siderosis appearing in a b...

Journal: :Journal of basic and clinical pharmacy 2016
Sefika Pinar Senol Eyup Naci Tiftik Selma Unal Aydan Akdeniz Bahar Tasdelen Bahar Tunctan

OBJECTIVES There is a need to remove excess iron with iron chelation therapy (ICT) to avoid the serious clinical sequelae associated with iron overload in patients with beta thalassemia major (BTM) and sickle cell anemia (SCA). Due to the effects of the diseases and their treatments, ICT is still a major reason for unsatisfactory compliance. The aim of this single-center observational study was...

Journal: :Blood 2003
Gabriela Link Prem Ponka Abraham M Konijn William Breuer Z Ioav Cabantchik Chaim Hershko

Although iron chelation therapy with deferoxamine (DFO) results in improved life expectancy of patients with thalassemia, compliance with parenteral DFO treatment is unsatisfactory, underlining the need for alternative drugs and innovative ways of drug administration. We examined the chelating potential of pyridoxal isonicotinoyl hydrazone (PIH) analogs, alone or in combination with DFO, using ...

Journal: :Hematology. American Society of Hematology. Education Program 2011
Janet L Kwiatkowski

Whereas RBC transfusion therapy is lifesaving in thalassemia, obligatory iron loading accompanies such treatment and chelation therapy to remove and detoxify iron resulting from these chronic transfusions must therefore be administered. Morbidity and mortality in thalassemia is linked closely to the adequacy of chelation. Three chelators are currently available worldwide-deferoxamine, deferasir...

2012
John Porter Donald K. Bowden Marina Economou Jacques Troncy Arnold Ganser Dany Habr Nicolas Martin Adam Gater Diana Rofail Linda Abetz-Webb Helen Lau Maria Domenica Cappellini

Treatment of iron overload using deferoxamine (DFO) is associated with significant deficits in patients' health-related quality of life (HRQOL) and low treatment satisfaction. The current article presents patient-reported HRQOL, satisfaction, adherence, and persistence data from β-thalassemia (n = 274) and myelodysplastic syndrome (MDS) patients (n = 168) patients participating in the Evaluatio...

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