Role of calcium in modulation of toxicities due to cisplatin and its analogs: a histochemical approach

Anti-cancer Drugs
D J MearaS K Aggarwal

Abstract

Cisplatin, carboplatin and paclitaxel (taxol) are potent antineoplastic agents with associated toxicities, especially gastrointestinal and nephrotoxicity that are their dose-limiting factors in clinical oncology. In an attempt to elucidate their mechanism(s) of toxicity, liver and kidney tissues from normal and drug treated rats and dogs were evaluated for changes in various dehydrogenase and non-specific lipase enzymes. Histochemically, cisplatin treatment induced an inhibition of all the enzymes studied except glucose-6-phosphate dehydrogenase and non-specific lipases, where there was a significant increase. Supplemental treatments with calcium [1 ml of 1.3% CaCl2/day in rats and 2.50 mg (150000 USP units) ergocalciferol plus 1000 mg of elemental calcium as TUMS 500 (EffeCal)/day in dogs] seem to protect against severe gastrointestinal toxicity and nephrotoxicity.

Citations

Nov 20, 2002·Anti-cancer Drugs·Carla FenoglioMaurizio Viale

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