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Triazenes: Chemical, Biological, and Clinical Aspects (Paperback)
  • Triazenes: Chemical, Biological, and Clinical Aspects (Paperback)
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Triazenes: Chemical, Biological, and Clinical Aspects (Paperback)

(editor), (editor), (editor)
£92.00
Paperback 227 Pages / Published: 17/10/2012
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More than 25 years have elapsed since the development of the seminal idea which led to the synthesis of dimethyl triazenes as antitumor agents. The original suggestion of Shealy et ale was to use 4-imidazone-carboxarnide as the carrier of a nitro- gen-containing cytotoxic function. 5-diazoimidazole-4-carbox- amide (diazo-IC) was synthesized and tested in mice as a potential inhibitor of de novo purine biosynthesis. Its lack of antitumor action was attributed to its polarity and to the resulting poor uptake of this hydrophilic chemical. Diazo-IC was then coupled with dimethylamine, yielding 5, (3,3-dimethyl- l-triazeno)imidazole-4-carboxamide) (DTIC) with the intention of obtaining a less polar and more lipophil~c prod rug which might release diazo-IC intracellularly. Preliminary tests showed that DTIC had good antiumor activity in experimental systems. Further tests demonstrated a broad spectrum of action against rodent tumors, and clinical trials indicated activity against human malignancies. Subsequent clinical use of DTIC has demonstrated its usefulness against malignant melanoma, for which it is currently the drug of choice, and its effective- ness in combination chemotherapy in the treatment of other human cancers. Because of its antitumor activity the mechan- ism of action of DTIC has been investigated in some detail. The original rationale for its development, that is, the hydrolysis in vivo to diazo-IC, has been shown not to be in- volved in th-e-mechansims of action. DTIC requires metabolic acti- vation before it exerts its biological effects.

Publisher: Springer-Verlag New York Inc.
ISBN: 9781461367109
Number of pages: 227
Weight: 414 g
Dimensions: 244 x 170 x 12 mm
Edition: Softcover reprint of the original 1st ed. 199


MEDIA REVIEWS

From Book News, Inc.
A class of antitumor agents is discussed in 16 papers, which include explorations of the synthesis, chemical properties, biotransformation, and pharmacokinetics in animals and humans, and studies of analogous agents and substances affecting the mechanism of triazenes. Specific topics include antimetastatic action, immune responses, xenogenization, clinical use, and therapeutic considerations.
Annotation copyright Book News, Inc. Portland, Or.

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