Prospects for Hypoxia-Activated Anticancer Drugs

ISSN: 1875-5992 (Online)
ISSN: 1871-5206 (Print)

Volume 16, 12 Issues, 2016

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Anti-Cancer Agents in Medicinal Chemistry

Formerly: Current Medicinal Chemistry - Anti-Cancer Agents

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Michelle Prudhomme
Universite Blaise Pascal - C.N.R.S
Aubiere Cedex

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Prospects for Hypoxia-Activated Anticancer Drugs

Anti-Cancer Agents in Medicinal Chemistry, 4(5): 395-399.

Author(s): William A Denny.

Affiliation: Auckland Cancer Society Research Centre, School of Medical Sciences, The University of Auckland,Private Bag 90219, Auckland, New Zealand.


The occurrence of hypoxic cells in solid tumors, and their resistance to radiotherapy and many chemotherapeutic drugs, has engendered an interest in non-toxic prodrugs that can be activated selectively under hypoxic conditions. Despite this, no such compounds are yet registered for clinical use, due to the difficulty of their design and of measuring the extent of hypoxia clinically, and the failure of early examples. A new appreciation of the critical importance of the extravascular diffusion of the parent prodrug from the blood vessels to the remote hypoxic cells, and the back-diffusion of the activated cytotoxin from the hypoxic cells to surrounding tumor cells, is now guiding drug design in this area. New principles for the selective activation of prodrugs have also been reported, including using the re ducing spec ies gene ra ted in c ells by ra diother apy itse lf , a nd using non-pathogenic anerobic bacteria as a hypoxia-dependent vector for the delivery of prodrug-activating enzymes in a suicide gene therapy context.


hypoxia, hypoxia-activated drugs, cancer chemotherapy, drug diffusion, drug design.

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Article Details

Volume: 4
Issue Number: 5
First Page: 395
Last Page: 399
Page Count: 5
DOI: 10.2174/1568011043352812
Price: $58

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