Antitumour and toxic effects on Wistar rats of two new platinum complexes.

Abstract:

BACKGROUND:Cancer chemotherapy in humans based on metal complexes started at the clinical level in the late 1970s with the use of cisplatin, which forms intra-strand cross-links with DNA. METHODS:Two new platinum complexes of cis-geometry with the amino acids inosine (ino) and l-alanine (ala), Pt(ino)2Cl2 and cis-[Pt(NH3)2(ala)](NO3), respectively, were synthesized and pure samples were obtained by means of flash chromatography. These complexes were tested on benzo(a)pyrene-induced tumours in Wistar rats to detect their antitumour and toxic effects. RESULTS:There was a statistically significant prolongation of the mean survival time of the animals in the two groups tested (272 +/- 18 days and 246 +/- 26 days, respectively) compared to the control group (195 +/- 22 days) (P < 0.001). Toxic effects included a decrease in leucocyte cell count, mild haemolysis, mild haematuria, mild hepatotoxicity, elevated body temperature and hair loss. All of these effects were reversible after drug discontinuation. CONCLUSIONS:The two new platinum complexes described here appear to have an effective antitumour activity without severe toxicity when tested on Wistar rats.

journal_name

Eur J Clin Invest

authors

Charalabopoulos K,Karkabounas S,Ioachim E,Papalimneou V,Syrigos K,Evangelou A,Agnantis N,Hadjiliadis N

doi

10.1046/j.1365-2362.2002.00932.x

keywords:

subject

Has Abstract

pub_date

2002-02-01 00:00:00

pages

129-33

issue

2

eissn

0014-2972

issn

1365-2362

pii

932

journal_volume

32

pub_type

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