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123318-82-1 123318-82-1 123318-82-1
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HenNan sunlake enterprise corporation is located in Henan Province , The central plain of China , Which enjoys favorable geogeaphical position and convenient transportion, The com[any was established in june. 1998 , until now having more than 18 years experience in manufacturing & exporting chemical raw material .
Sunlake is a professional manufacturer engaged in producing and selling chemicals,including Organic & inorganic chemicals , pigments & Dyestuffs , Water treatment chemicals , Food & FEED additives and others . these products have been being well exported to europe , southeast Asia , the Middle East , Africa , South America and some other countries and areas.
Details:
| Clofarabine Basic information |
| Product Name: | Clofarabine |
| Synonyms: | 2-CHLORO-2'-ARABINOFLUORO-2'-DEOXYADENOSINE;5-(6-amino-2-chloro-purin-9-yl)-4-fluoro-2-(hydroxymethyl)oxolan-3-ol;CLOFARABINE;CAFDA;2-chloro-9-(2-deoxy-2-fluoroarabinofuranosyl)adenine;2-chloro-9-(2-deoxy-2-fluoro-beta-d-arabinofuranosyl)-9h-purin-6-amin;2-chloro-9-(2-deoxy-2-fluoro-beta-d-arabinofuranosyl)adenine;Clolar |
| CAS: | 123318-82-1 |
| MF: | C10H11ClFN5O3 |
| MW: | 303.68 |
| EINECS: | |
| Product Categories: | Inhibitors;Intermediates & Fine Chemicals;Pharmaceuticals;Bases & Related Reagents;Nucleotides;Pharmaceutical intermediate;CLOLAR;Antineoplastic;Anti-cancer&immunity |
| Mol File: | 123318-82-1.mol |
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| Clofarabine Chemical Properties |
| mp | 228-2310C |
| storage temp. | Desiccate at +4°C |
| CAS DataBase Reference | 123318-82-1(CAS DataBase Reference) |
| Clofarabine Usage And Synthesis |
| Anti-cancer drugs | Clofarabine is a novel purine nucleoside anticancer drugs is first successfully developed by the Top10 biopharmaceutical company of the United States --- Genzyme Corporation, NASDAQ: GENZ) with the trade names being “Clofarabine”. On December 28, 2004 the US food and Drug Administration (FDA) used fast-track for approval of clofarabine for application to children with refractory or relapsed acute lymphocytic leukemia. It is currently the only available drugs for the special treatment of children with acute myelogenous leukemia (ALL); it has an excellent efficacy on the treatment of leukemia with well tolerance and no unpredictable adverse reactions. It can be administrated through either administered intravenously or administered orally. This drug is the first product approved for being dedicated to the treatment of the children's leukemia in more than ten years. |
| Pharmacological effects | Clofarabine has also combined the advantages of fludarabine and cladribine that can inhibit both DNA polymerase as well as inhibit ribonucleotide reductase with strong anti-cancer activity against different cell lines and tumor models. Early studies have also shown that the product, when having a concentration of micromolar or less, can already effectively inhibit the proliferation of human CNS tumors, lung cancer, kidney cancer, and leukemia and melanoma cell lines. In vivo and in vitro experiments have showed that clofarabine can induce apoptosis of leukemia cells with the mechanism being the down-regulation of de-phosphorylation of BCL-2 family proteins BCL-X and MCL-1 as well as the AKT. Its inhibitory effect on the human leukemia cells K-562 is stronger than cladribine and fluorine with the IC50 being 5 nmol/L while the IC50 for cladribine and fluorine is 16 nmol/L and 460nmol/L, respectively. Preclinical and drug combination experiments have showed that clofarabine, similar as other deoxynucleotide analogs as well as other types of anti-cancer drugs such as Etoposide, can enhance the activity of the deoxycytidine kinase in normal or abnormal human lymphocytes, and therefore increasing the anti-cancer effect. |
| Dosage |
Clofarabine belongs to the anticancer drug which affects tubulin and is mainly used for clinical treatment of the following diseases: 1. treatment of relapsed or refractory acute lymphocytic leukemia; 2. it also has efficacy in treating acute myeloid leukemia and myelodysplastic syndrome (MDS) in older patients and can be used in combination with cytarabine. General adult dose: 1. relapsed or refractory acute lymphoblastic leukemia: suitable for the patient (1 to 21 years) should have previously received at least two kinds of treatment programs; take 52 mg/m2 daily X 5 days, have intravenous injection (more than 2 hours) until the organ get function recovery or return back to the baseline level, repeat 1 time every 2 to 6 weeks. 2. Acute myeloid leukemia and MDS: daily 52 mg / m2 × 5 days, have intravenous infusion for 1 hour; After 4 hours, administer cytarabine with 1 g(daily) / m2 X 5 days, perform intravenous infusion for 2 hours, it has positive effect for the newly diagnosed elderly patients with acute myelogenous leukemia and high-risk MDS. Child: It can be used for treating refractory and relapsed acute lymphocytic leukemia with the same amount for adults. For the treatment of the refractory and relapsed acute non-lymphocytic leukemia, use daily 52mg / m2 × 5 days, perform intravenous infusion (more than 2 hours) and repeat the treatment per 2-6 weeks depending on the reaction and toxicity in patients. The above information is edited by the Chemicalbook of Dai Xiongfeng. |
| Adverse reactions and precautions |
Common adverse reactions about clofarabine are as follows: Blood system: leukocytes and neutropenia, thrombocytopenia, anemia. Digestive system: loss of appetite, nausea, vomiting, abdominal pain, constipation; stomatitis, gingival bleeding, sore throat. Nervous System: fatigue, drowsiness, headache, dizziness; anxiety, depression; irritability, excitability. Cardiovascular System: tachycardia, hypertension, hypotension, transient systolic dysfunction of the left ventricular; the drug should be discontinued upon any causes of hypotension; it was occasionally observed in pediatric patient of capillary leak syndrome and systemic inflammatory response syndrome (SIRS) which can be prevented by administration of hormone during the 1st to 3rd day of treatment. During the medication, once the above syndrome occurs, it should be discontinued immediately and combined with concurrent support treatment. Once the condition is stabilized and the organ gets function recovery, the patients can re-initiate the administration from low dosage. Liver toxicity: reversible liver damage, increased level of aspartate aminotransferase, alanine aminotransferase and bilirubin; hepatomegaly and jaundice. Respiratory system: respiratory distress, coughing, pleural effusions. Urogenital: hematuria, secondary hyperuricemia, elevated level of serum creatinine and creatine. Other: dermatitis, erythema; muscle pain, joint pain; fever and infection. [Note] women of childbearing age should take care of contraception during medication, lactation women should stop breastfeeding. Patients of hypotension, dehydration, liver and kidney dysfunction as well as secondary infection of bone marrow suppression should take with caution. Clofarabine may cause tumor lysis syndrome and should drawn attention. |
| Category | toxic substances. |
| Flammability and hazard characteristics | It is combustible with fire decomposition releasing toxic nitrogen oxides; fluorides and chlorides fume. |
| Storage characteristics | warehouse: low-temperature, dry and ventilated. |
| Extinguishing media | Water, carbon dioxide, dry, sandy soil. |
| Chemical Properties | White Solid |
| Usage | ISecond generation purine nucleoside analog; antimetabolite that inhibits DNA synthesis and resists deamination by adenosine deaminase. Antineoplastic |
| Biological Activity | Deoxycytidine kinase (dCK) substrate. Phosphorylated to form clofarabine triphosphate, which competes with dATP for DNA polymerase- α and - ε and potently inhibits ribonucleotide reductase (IC 50 = 65 nM). Induces apoptosis by directly altering mitochondrial transmembrane potential. Demonstrates growth inhibition and cytotoxic activity in a variety of leukemias and solid tumors. |
HenNan sunlake enterprise corporation is located in Henan Province , The central plain of China , Which enjoys favorable geogeaphical position and convenient transportion, The com[any was established in june. 1998 , until now having more than 18 years experience in manufacturing & exporting chemical raw material .
Sunlake is a professional manufacturer engaged in producing and selling chemicals,including Organic & inorganic chemicals , pigments & Dyestuffs , Water treatment chemicals , Food & FEED additives and others . these products have been being well exported to europe , southeast Asia , the Middle East , Africa , South America and some other countries and areas.
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