Deferasirox (marketed as Exjade, Desirox, Defrijet, Desifer...) is an iron chelator. Its main use is to reduce chronic iron overload in patients who are receiving long-term blood transfusions for conditions such as beta-thalassemia and other chronic anemias. It is the first oral medication approved in the USA for this purpose.
CAT No: 10-101-115
CAS No:201530-41-8
Synonyms/Alias:4-[3,5-Bis(2-hydroxyphenyl)-1H-1,2,4-triazol-1-yl]benzoic acid; CGP-72670; ICL-670; ICL-670A
Chemical Name:4-[3,5-bis(2-hydroxyphenyl)-1,2,4-triazol-1-yl]benzoic acid
Deferasirox, also known as an oral iron chelator, is a tridentate ligand designed to selectively bind and facilitate the excretion of excess iron from the body. Its unique molecular structure enables it to form stable complexes with ferric iron, which are subsequently eliminated via the hepatobiliary pathway. As an orally active compound, deferasirox offers a convenient alternative to parenteral iron chelation therapies, making it highly attractive for research into iron overload disorders. The compound's high affinity for iron, coupled with its favorable pharmacokinetic properties, has positioned it as a valuable tool in various scientific investigations focused on iron metabolism, toxicity, and homeostasis. Its ability to modulate iron levels without significantly affecting essential trace metals further enhances its utility in both in vitro and in vivo studies, supporting a broad spectrum of experimental applications.
Iron Overload Disease Modeling: Deferasirox is extensively utilized in the development and validation of animal and cellular models of iron overload. Researchers employ it to induce controlled iron depletion in experimental systems, allowing for the investigation of the pathophysiological consequences of iron excess and the evaluation of potential interventions. By simulating chelation therapy, scientists can better understand the dynamics of iron distribution, the impact on organ function, and the downstream effects on oxidative stress and cellular damage. Such models are instrumental in elucidating the molecular mechanisms underlying iron-induced toxicity and in screening novel therapeutic strategies aimed at mitigating iron overload.
Basic Iron Metabolism Research: In studies exploring the fundamental aspects of iron metabolism, deferasirox serves as a precise tool to manipulate intracellular and systemic iron levels. By chelating ferric iron, it enables researchers to dissect the regulation of iron homeostasis at the genetic, protein, and cellular levels. Investigations often focus on the interplay between iron chelation and the expression of key regulatory proteins such as hepcidin, ferroportin, and transferrin receptor. Utilizing this compound, scientists can delineate the signaling pathways and feedback mechanisms that govern iron uptake, storage, and export, providing critical insights into the maintenance of iron balance in health and disease.
Oxidative Stress and Redox Biology: The role of deferasirox in modulating oxidative stress is a subject of significant scientific interest, particularly due to iron's central involvement in redox reactions. By reducing the pool of labile iron, this chelator limits the generation of reactive oxygen species (ROS) via Fenton chemistry, thereby protecting cells from oxidative damage. Experimental studies leverage its iron-binding capacity to investigate the links between iron overload, ROS production, and cellular antioxidant defenses. This approach aids in the identification of molecular targets and protective strategies against oxidative injury in various biological contexts, including neurodegeneration, aging, and metabolic disorders.
Drug Discovery and Screening: Deferasirox is frequently incorporated into drug screening platforms aimed at identifying compounds with iron-modulating or antioxidant properties. Its well-characterized mechanism of action makes it an ideal positive control in high-throughput assays designed to evaluate the efficacy of novel chelators or agents that interact with iron metabolism. Researchers also use it to probe potential drug-drug interactions, assess combinatorial effects with other therapeutics, and study the pharmacodynamics of chelation in preclinical models. This application accelerates the discovery and optimization of new molecules targeting iron-related pathologies.
Environmental and Analytical Chemistry: The iron-chelating properties of deferasirox have found utility in environmental and analytical chemistry research. Scientists employ it as a selective reagent for the quantification and removal of iron from complex matrices, such as biological fluids, water samples, and industrial waste. Its specificity for ferric iron and stability under various conditions enable accurate detection and measurement of iron concentrations, facilitating studies on metal contamination, bioremediation, and trace metal analysis. This application underscores the versatility of the compound beyond biomedical research, supporting advancements in environmental monitoring and analytical methodologies.
In summary, deferasirox is a multifaceted research compound whose iron-chelating capabilities underpin its broad scientific utility. Its applications span from disease modeling and basic iron biology to oxidative stress research, drug discovery, and environmental analysis. Each of these directions leverages its selective iron-binding properties to address key questions in their respective fields, making it an indispensable tool for advancing knowledge in iron-related science and technology.
Iron accumulation is a consequence of regular red cell transfusions, and can occur as a result of ineffective erythropoiesis secondary to increased intestinal iron absorption, in patients with various anemias. Without appropriate treatment, iron overload can lead to increased morbidity and mortality. Deferasirox is an oral iron chelator effective for reduction of body iron in iron-overloaded patients with transfusion-dependent anemias and non-transfusion-dependent thalassemia, with a well-established safety profile. This review summarizes the clinical pharmacokinetics, pharmacodynamics, and drug-drug interaction profile of deferasirox, and the claims supporting once-daily dosing for effective chelation.
Tanaka, C. (2014). Clinical pharmacology of deferasirox. Clinical pharmacokinetics, 53(8), 679-694.
The Thalassemia Clinical Research Network collected adherence information from 79 patients on deferoxamine and 186 on deferasirox from 2007 to 2009. Chelation adherence was defined as percent of doses administered in the last 4 weeks (patient report) out of those prescribed(chart review). Chelation history since 2002 was available for 97 patients currently on deferoxamine and 217 on deferasirox, with crude estimates of adherence from chart review. Self-reported adherence to both deferoxamine and deferasirox were quite high, with slightly higher adherence to the oral chelator (97 vs. 92%). Ninety percent of patients on deferasirox reported at least 90% adherence, compared with 75% of patients on deferoxamine. Adherence to both chelators was highest in children, followed by adolescents and older adults.
Trachtenberg, F., Vichinsky, E., Haines, D., Pakbaz, Z., Mednick, L., Sobota, A., ... & Giardina, P. J. (2011). Iron chelation adherence to deferoxamine and deferasirox in thalassemia. American journal of hematology, 86(5), 433-436.
Thirty-nine children with Fanconi aplastic anemia (FAA) have been followed up in our center between January 2008 and November 2010. Eight of these children (20%) with a transfusional iron overload had been undergoing deferasirox treatment during the study period. In the English literature, transfusional iron overload and the use of an iron chelator in children with FAA has not yet been evaluated. Here, we have presented the effectivity and tolerability of deferasirox in children with FAA and a transfusional iron overload. Before the deferasirox treatment, the mean serum ferritin level was 3377 ± 2200 ng/mL. After a mean 13.6-month treatment duration, the mean ferritin level decreased to 2274 ± 1300 ng/mL (P<0.05). In our series, 3 patients had renal and 3 had hepatic toxicity during the treatment. Two patients had peliosis hepatis and 2 had congenital renal abnormalities before the treatment. There may be differences in the side-effect profiles of deferasirox treatment in patients with FAA. In our series, despite the low number of cases, nephrotoxicity and hepatotoxicity were common side effects instead of gastrointestinal disturbances reported in other studies. Deferasirox is an oral, easily applicable, and effective iron chelator; baseline hepatotoxicity and nephrotoxicity may increase the development of toxic side effects in children with FAA. Patients with FAA receiving deferasirox treatment should be followed up closely for these side effects.
Tunç, B., Tavil, B., Karakurt, N., Yarali, N., Azik, F. M., Kara, A., ... & Ozkasap, S. (2012). Deferasirox therapy in children with Fanconi aplastic anemia. Journal of pediatric hematology/oncology, 34(4), 247-251.
If you have any peptide synthesis requirement in mind, please do not hesitate to contact us at . We will endeavor to provide highly satisfying products and services.
Creative Peptides is a trusted CDMO partner specializing in high-quality peptide synthesis, conjugation, and manufacturing under strict cGMP compliance. With advanced technology platforms and a team of experienced scientists, we deliver tailored peptide solutions to support drug discovery, clinical development, and cosmetic innovation worldwide.
From custom peptide synthesis to complex peptide-drug conjugates, we provide flexible, end-to-end services designed to accelerate timelines and ensure regulatory excellence. Our commitment to quality, reliability, and innovation has made us a preferred partner across the pharmaceutical, biotechnology, and personal care industries.