33419-42-0 Basic information More..
Product Name:Etoposide
Synonyms:9-((4,6-O-Ethylidene-beta-D-glucopyranosyl)oxy)-5,8,8a,9-tetrahydro-5-(4-hydroxy-3,5-dimethoxyphenyl)-furo(3',4':6,7)naphtho(2,3-d)-1,3-dioxol-6(5aH)-one;[5R-[5alpha,5abeta,8aalpha,9beta(R*)]]-9-[(4,6-O-Ethylidene-beta-D-glucopyranosyl)oxy]-5,8,8a,9-tetrahydro-5-(4-hydroxy-3,5-dimethoxyphenyl)-furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one;(5R,5aα,9S)-9-[[4-O,6-O-[(R)-Ethylidene]-β-D-glucopyranosyl]oxy]-5,8,8aβ,9-tetrahydro-5-(4-hydroxy-3,5-dimethoxyphenyl)furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one;Etoposide - In combination with Cisplatin and Bleomycin;9-((4,6-O-Ethylidine-Beta-D-Glucopyranosyl)Oxy)-;[5R-[5α,5aβ,8aα,9β(R*)]]-9-[(4,6-0-Ethylidene-α-D-glucopyransoyl)oxy]-5,8,8a,9-tetrahydro-5-(4-hydroxy-3,5-dimethoxyphenyl)furo[3',4':6,7]naptho[2,3-d]-1,3-dioxol-6-(5aH)-one;Etoposide,4′-Demethylepipodophyllotoxin 9-(4,6-O-ethylidene-β-D-glucopyranoside), VP-16-213;Etoposide (300 mg)
CAS:33419-42-0
MF:C29H32O13
MW:588.56
EINECS:251-509-1
Mol File:33419-42-0.mol
33419-42-0

Use

Etoposide is available in 50- and 100-mg capsules for oral useand in 100-mg vials for IV use. The agent is approved for usein testicular cancer and small cell lung cancer. It has alsobeen used in a wide variety of cancers including NSCLC,Hodgkin’s and non-Hodgkin’s disease, Kaposi sarcoma,acute lymphocytic leukemia, neuroblastoma, choriocarcinoma,and epithelial, ovarian, testicular, gastric, endometrial,and breast cancers. Etoposide is one of the few natural productderivatives that can be administered orally. When givenby this route, bioavailability is 50%. Administration by the IVroute is also utilized, and the drug is widely distributed whengiven by either route. The agent is highly protein bound(90%) primarily to albumin. Low albumin levels may lead toan increase in free drug and require a lowering of the dose.The drug does not penetrate the blood-brain barrier at normaldoses but does during high-dose therapy. Elimination occursprimarily in the urine with 30% to 40% of an IV dose appearingas unchanged drug. The elimination half-life is 5 to 10hours. Metabolism involves opening of the lactone ring togive the hydroxy acid as the major metabolite. Epimerizationoccurs at C-3 to give the cis-lactone, which may also undergohydrolysis to give the hydroxy acid. Glucuronidation and sulfationof the 4'-OH give products that are inactive. Activemetabolites are formed as a result of CYP3A4 mediated oxidative-O-demethylation of the 3'-methoxy group to give thecatechol followed by oxidation to give the quinone. The toxicitiesof etoposide include dose-limiting myelosuppression,produces nausea and vomiting in 30% to 40% of patients,which is more commonly seen when the drug is administeredorally. The agent also produces anorexia, alopecia, mucositis,and hypersensitivity reactions that may be caused by etoposideor Cremophor EL (polyoxyethylated castor oil), which isused as a vehicle for IV administration of the drug. Leukemia,especially acute myelogenous leukemia, has been associatedwith the drugs’ ability to produce strand breaks with resultanttranslocation of genetic material. The leukemias are generallyseen 5 to 8 years posttreatment and have been associated withtranslocation of several different genes resulting in breakpointsaround the mixed lineage leukemia (MLL) gene.Transcription and translation of this altered DNA giveschimeric proteins, which form partly from the translocatedgene and partly from the MLL gene. Exactly how thesechimeric proteins lead to leukemia is not known, but similaralterations are seen with other topoisomerase inhibitors.

Lastest Price from Etoposide manufacturers

  • Etoposide
  • US $1.00 / kg
  • 2019-07-06
  • CAS:33419-42-0
  • Min. Order: 1kg
  • Purity: 95%-99%
  • Supply Ability: 100kg
  • Etoposide
  • US $1.00 / kg
  • 2019-07-06
  • CAS:33419-42-0
  • Min. Order: 1kg
  • Purity: 98%
  • Supply Ability: 100KG
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