Efforts to enhance the efficiency of tumor chemotherapy

Magyar onkologia
Judit Kralovánszky

Abstract

Antiproliferative cytotoxic agents, of which several are still in clinical practice nowadays, could be characterized by low selectivity, narrow therapeutic index, medium or serious side effects and rapid formation of resistance. In the limited efficacy of these drugs several factors are playing a role such as the age, gender and pharmacogenetics of the patients, the morphological and biological feature of the tumor, moreover, pharmacokinetics and pharmacodynamics of the drugs. The question could be justified if there are methods which, by influencing the above parameters, are helpful in enhancing the efficacy and decreasing the toxic side effects of these drugs. Since a long time we have been interested in evaluating methods of preclinical and clinical level for increasing drug efficacy. The aim of this minireview is to give a short summary about our previous and present projects aiming: 1.) to characterize and mitigate toxic side effects of several cytotoxic agents; 2.) to decrease the toxic side effects and improve the antitumor effect of 5-fluorouracil by biochemical modulation and 3.) to study the possibility of individualized drug selection, based on the pharmacobiochemical and pharmacogenetic characteristics of the patients.

References

Jan 1, 1985·Advances in Enzyme Regulation·N Prajda
Jan 1, 1985·Archives of Toxicology. Supplement. = Archiv Für Toxikologie. Supplement·J Kralovánszky, N Prajda
Jan 1, 1993·Cancer Chemotherapy and Pharmacology·J KralovanszkyG J Peters
Dec 11, 1999·Journal of Cancer Research and Clinical Oncology·J KralovánszkyG J Peters
Nov 22, 2005·Pharmacogenomics·Sharon MarshHoward L McLeod

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