alexa Tamoxifen-Induced Lupus Erythematosus | OMICS International | Abstract
ISSN: 2157-7609

Journal of Drug Metabolism & Toxicology
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Research Article

Tamoxifen-Induced Lupus Erythematosus

Mohammed Mohammed EA1*, Sharief Nawahil A2, Abukashawa Sumaia2 and Mohamed Abdelrahim O3

1Department of Biochemistry, Faculty of Medicine, International University of Africa, Khartoum, Sudan

2Department of Zoology, Faculty of Science, University of Khartoum, Sudan

3Department of Biochemistry, Faculty of medicine, University of Khartou, Sudan

*Corresponding Author:
Mohammed Elimam Ahamed
Department of Biochemistry, Faculty of Medicine
International University of Africa, Khartoum, Sudan
E-mail: [email protected]

Received date: January 15, 2013; Accepted date: January 28, 2013; Published date: January 30, 2013

Citation: Mohammed EA, Sharief Nawahil A, Sumaia A, Mohamed Abdelrahim O (2013) Tamoxifen-Induced Lupus Erythematosus. J Drug Metab Toxicol 4:138. doi: 10.4172/2157-7609.1000138

Copyright: © 2013 Mohammed EA, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Introduction: Anti Nuclear Antibodies are one of the auto antibodies which are involved in screening, diagnosis and pathology of some auto and non autoimmune and drug induced diseases including Lupus Erythrymatosus. Objectives: The aim of this study is to investigate, if there is any correlation between tamoxifen side effects and the blood levels of Anti Nuclear Antibodies as a consequence of drug-induced lupus erythematosus. Methods: Twenty-eight breast cancer patients under tamoxifen therapy were involved in this study and compared to 11 newly diagnosed breast cancer patients who did not receive any therapy. 5 mls of intravenous blood were collected from the subjects after informed consent was obtained. The plasma was separated and the ANA levels were determined using ELISA. Results: Seventeen patients under tamoxifen were found with high level of ANA while 11 patients were with normal levels of ANA. However, the mean ANA plasma level in patients under tamoxifen therapy was 155.39 U/ml (9.4-911.7 U/ml) compared to 11.31 U/ml (0.9-29 U/ml) in the newly diagnosed patients; the ANA level significantly increased (p value was 0.017). The patients under tamoxifen therapy were divided to five groups according to the number of tamoxifen therapies they received. Group 1 of 4 patients: received one tamoxifen therapy, group 2 of 6 patients: received three therapies, group 3 of 5 patients: received 5 therapies, group 4 of 9 patients: received 6 therapies and group 5 of 4 patients: received therapies ≥ 10. When the means of ANA concentration were compared to the mean of the newly diagnosed patients the p values were 0.88, 0.26, 0.09, 0.04 and 0.17 respectively. Conclusions: This study concluded that, although tamoxifen therapy did not affect the ANA level in all the patients, it significantly increased the blood level of ANA.

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