COMPARING THE THERAPEUTIC EFFECTIVENESS OF N-ACETYLCYSTEINE WITH THE COMBINATION OF N-ACETYL CYSTEINE AND CIMETIDINE IN ACUTE ACETAMINOPHEN TOXICITY: A DOUBLE-BLINDED CLINICAL TRIAL

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EBRAHIMI MOHSEN; MOUSAVI SEYED REZA; GHASSEMI TOUSSI ALIREZA; REIHANI HAMIDREZA; BAGHERIAN FARHAD

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Journal: ELECTRONIC PHYSICIAN Year:2015 | Volume:7 | Issue:6 Page(s): 1310-1317

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Title

COMPARING THE THERAPEUTIC EFFECTIVENESS OF N-ACETYLCYSTEINE WITH THE COMBINATION OF N-ACETYL CYSTEINE AND CIMETIDINE IN ACUTE ACETAMINOPHEN TOXICITY: A DOUBLE-BLINDED CLINICAL TRIAL

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Keywords

ACETAMINOPHEN

ACETYLCYSTEINE

CIMETIDINE

TOXICITY

Abstract

Background: N-acetylcysteine (NAC) has been used as a classic treatment for hepatotoxicity induced by Nacetyl- p-benzoquinone imine (NAPQI) as a metabolite of ACETAMINOPHEN. However, CIMETIDINE theoretically can reduce the production of toxic metabolites through the inhibition of cytochrome p450, and it recently was proposed as a complementary treatment for ACETAMINOPHEN TOXICITY.Objective: The aim of this study was to compare the effects of treating acute ACETAMINOPHEN TOXICITY with NAC alone and with a combination of NAC and CIMETIDINE.Methods: From October 2013 to March 2014, 105 patients suspected of ACETAMINOPHEN TOXICITY who had paraclinical confirmation of TOXICITY requiring medical treatment (based on the risk assessment nomogram of ACETAMINOPHEN serum level) were enrolled in this double-blind, randomized, controlled trial at Imam Reza Hospital in Mashhad, Iran. The patients were divided into two groups, i.e., 1) patients who were treated with NAC alone (group A) and 2) patients who were treated with a combination of NAC and CIMETIDINE (group B). The primary outcomes were 1) the serum level of ACETAMINOPHEN and 2) the serum level of aminotransferases at the time of admission and 4, 12, 24, and 48 hours after admission. Exclusion criteria included multiple toxicities, concurrent diseases that could affect liver enzymes, the use of other drugs, and dissatisfaction with the project. For measuring quantitative data, SPSS version 16 was used for t-test analysis and for analyzing the qualitative data with chi-squared analysis.Results: Sixty patients (32 females and 28 males) with a mean age of 25.2 ± 7.3 years were classified in two groups of 30.. There was no difference between the groups in terms of their admission information. The average levels of ACETAMINOPHEN in both groups at admission, 12, 24, and 48 hours after hospitalization were not significantly different from each other. Twelve hours after hospitalization, the aspartate aminotransferase (AST) level in the group treated with NAC was significantly higher than in the group treated with the combination of NAC and CIMETIDINE (IU/L30.1 ± 110.0 versus IU/L26.38 ± 94.93, p = 0.044). At the other times that the level of liver enzymes was assessed, the serum levels of urea and creatinine were not significantly different in the two groups (p > 0.05)Conclusion: The intravenous administration of 300 mg of CIMETIDINE every six hours with NAC did not improve the level of hepatoprotective action significantly compared with the NAC treatment protocol alone. Trial registration: The trial was registered at the Iranian Clinical Trial Registry (IRCT.ir) with the IRCT identification number IRCT2013102915204N1.Funding: This research was supported financially by the Research Council of Mashhad University of Medical Sciences (Grant Number: 920427).

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APA: Copy

EBRAHIMI, MOHSEN, MOUSAVI, SEYED REZA, GHASSEMI TOUSSI, ALIREZA, REIHANI, HAMIDREZA, & BAGHERIAN, FARHAD. (2015). COMPARING THE THERAPEUTIC EFFECTIVENESS OF N-ACETYLCYSTEINE WITH THE COMBINATION OF N-ACETYL CYSTEINE AND CIMETIDINE IN ACUTE ACETAMINOPHEN TOXICITY: A DOUBLE-BLINDED CLINICAL TRIAL. ELECTRONIC PHYSICIAN, 7(6), 1310-1317. SID. https://sid.ir/paper/345379/en

Vancouver: Copy

EBRAHIMI MOHSEN, MOUSAVI SEYED REZA, GHASSEMI TOUSSI ALIREZA, REIHANI HAMIDREZA, BAGHERIAN FARHAD. COMPARING THE THERAPEUTIC EFFECTIVENESS OF N-ACETYLCYSTEINE WITH THE COMBINATION OF N-ACETYL CYSTEINE AND CIMETIDINE IN ACUTE ACETAMINOPHEN TOXICITY: A DOUBLE-BLINDED CLINICAL TRIAL. ELECTRONIC PHYSICIAN[Internet]. 2015;7(6):1310-1317. Available from: https://sid.ir/paper/345379/en

IEEE: Copy

MOHSEN EBRAHIMI, SEYED REZA MOUSAVI, ALIREZA GHASSEMI TOUSSI, HAMIDREZA REIHANI, and FARHAD BAGHERIAN, “COMPARING THE THERAPEUTIC EFFECTIVENESS OF N-ACETYLCYSTEINE WITH THE COMBINATION OF N-ACETYL CYSTEINE AND CIMETIDINE IN ACUTE ACETAMINOPHEN TOXICITY: A DOUBLE-BLINDED CLINICAL TRIAL,” ELECTRONIC PHYSICIAN, vol. 7, no. 6, pp. 1310–1317, 2015, [Online]. Available: https://sid.ir/paper/345379/en

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