Gemtuzumab ozogamicin drug data and news

Gemtuzumab ozogamicin drug data, resources, and news articles (when available). Onconews.org provides news on cancer research. This section, which includes profiles on medicines that may or not be cancer-related is in beta form. If things run smoothly we will be releasing a new format late in the summer of 2006.

Generic name Gemtuzumab ozogamicin
Brand Names/Synonyms Mylotarg; anti-CD33; Mylotarg (Wyeth)
Indication For treatment of acute myeloid leukemia
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Description Recombinant humanized IgG4, kappa antibody conjugated with a cytotoxic antitumor antibiotic, calicheamicin, isolated from fermentation of a bacterium, Micromonospora echinospora ssp. calichensis. The antibody portion of Mylotarg binds specifically to the CD33 antigen, The anti-CD33 hP67.6 antibody is produced by mammalian cell suspension culture using a myeloma NS0 cell line.
Pharmacology Used for the treatment of acute myeloid leukemia (AML), mylotarg binds to the CD33 antigen, which is expressed on the surface of leukemic cells in more than 80% of patients with AML. The CD33 antigen is not expressed on pluripotent hematopoietic stem cells or nonhematopoietic cells. This gives mylotarg the selectivity needed to target leukemic cells.
Mechanism Of Action Mylotarg is directed against the CD33 antigen expressed by hematopoietic cells. Binding of the anti-CD33 antibody portion of Mylotarg with the CD33 antigen results in the formation of a complex that is internalized. Upon internalization, the calicheamicin derivative is released inside the lysosomes of the myeloid cell. The released calicheamicin derivative binds to DNA in the minor groove resulting in DNA double strand breaks and cell death.
Gemtuzumab ozogamicin News
(When available)
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Dosage Forms Not Available
Drug_Category Antineoplastic Agents
Absorption Not Available
Interactions Not Available
Toxicity Not Available
Organisms Affected Humans and other mammals
Chemical IUPAC Name Humanized chimeric anti-CD33 antibody
Chemical Formula Not Available
Molecular Weight Not Available
Smiles String Not Available
Melting Point 61 oC (FAB fragment), 71 oC (whole mAb)-Vermeer, A.W.P. & Norde, W., Biophys. J. 78:394-404 (2000).
Water Solubility Not Available
State Transparent, slightly viscous, aqueous liquid
LogP/Hphobicity Not Available
Isoelectric Point Not Available
Biotransformation Most likely removed by opsonization via the reticuloendothelial system.
Half Life Not Available
Protein Binding [%] Not Available
RxList Link RXlist
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Drug Reference http://www.drugs.com/cons/Gemtuzumab_ozogamicin.html
http://www.rxlist.com/cgi/generic2/gemtuzumab.htm
Drug Type Approved Drug
Accession No BIOD00077
CAS Registry Number 220578-59-6
KEGG Compound ID Not Available
PubChem ID Not Available
PharmGKB ID PA449752
SwissProt ID Not Available
GenBank ID Not Available
Drug ID Number [DIN] Not Available

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