THE EFFECTS OF VERAPAMIL, A CALCIUM CANAL BLOKER, ON CISPLATIN TOXICITY
Abstract
The aim of this study was investigated to protective effects of calcium chanel blocker verapamil on cisplatin induced toxicity.Fourty-two Rattus norvegicus (Wistar albino) rats were divided into six groups. The control group (I. group) was injected with 0.3 ml saline, II. group was injected with 0.2 mg/kg verapamil, III. group was injected with 2 mg/kg verapamil, IV. group was injected with 5 mg/kg cisplatin, V. group was injected with 0.2 mg/kg verapamil+5 mg/kg cisplatin and VI. group was injected with 2 mg/kg verapamil+5 mg/kg cisplatin. Before cisplatin injection, verapamil was given during the three days at the same hour. After this period, at the fourth day, cisplatin was injected with as a single dose. Following the last dose, within 24 hours urine samples were collected and than blood, kidney and liver tissues samples and bone marrow were collected from the rats under ether anesthesia.At the end of the study, we found that serum creatinine in the IV. group was significantly increased according to control group (p<0.001). SGOT activity was significantly decreased in III., V. and VI. groups (p<0.001). As a result of chromosomal analyses, there were not significantly increased on the number of chromatid typed gaps in the IV., V ve VI. group according to control group. Histopathologic findings showed that a certain recovery was dedected into kidney tissue of the V. group according to kidney tissue of IV.group .As a conclusion, it was determined that verapamil had a protective effect on cisplatin toxicity and this protective effect was high in the V. group which had been given low dose of verapamil.
Keywords
References
- [1] S.O. Kayaalp, Rasyonel Tedavi Yönünden Tıbbi Farmokoloji. 9. Baskı, I. Cilt. Hacettepe-Taş Kitapçılık Ltd. Şti., Ankara (2000), 372 – 400.
- [2] T. Godfraind, R. Miller, M Wibo M, Calcium Antogonism And Calcium Entry Blockade. Pharmacol Rev, 38:(4), (1986) 321– 416,.
- [3] A.L. Haris, D. Hochhause, Mechanisms of Multidrug Resistance in Cancer Treatmen, Acta Oncologica, 31:(2), (1992), 205 – 213.
- [4] J.D.Bitran , R.K.Desser, A.A Billings, M.F. Kozloff, et a,. Acute Nephrotoxicity Following cis–dichlorodinammine–platinium, Cancer, 49 (1982), 1784–1788.
- [5] J.D. Blachiey, J.B. Mill, Renal and Electrolyte Disturbances Associated with Cisplatin, Annals of Internal Medicine, 95 (1981): 628– 632.
- [6] K. Hanada , K. Odaka, A. Kuda , H. Ogata, Effects of Disopyramide and Verapamil on Renal Disposition and Nephrotoxicity of Cisplatin in Rats. Pharmaceutical Research, 16:(10), (1999) : 1589-1595.
- [7] Y. Miyamato, K. Shimado, Y. Sakaguchi, M. Miyamato, Cisplatin (CDDP)_İnduced Acute Toxicity in an Experimental Model of Hepatic Fibrosis. The Journal of Toxicological Sciences, 32:(39), (2007), 311-319.
- [8] H.S. So, C. Park , H.J Kim., J.H. Lee et al, Protective Effect of T-Type Calcium Channel Blocker Flunarizine on Cisplatin- Induced Death of Auditory Cells Hearing Research, 204 (2005), 127-13,
Details
Primary Language
English
Subjects
-
Journal Section
Research Article
Publication Date
April 15, 2008
Submission Date
August 16, 2007
Acceptance Date
February 28, 2008
Published in Issue
Year 2008 Number: 015