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Gholami F, Sadeghi M, Zakariaei Z, Soleymani M, Malakian A. Rhabdomyolysis and acute kidney injury due to suicide attempt with tramadol: A rare case report. Clin Case Rep 2022; 10:e05255. [PMID: 35028145 PMCID: PMC8742518 DOI: 10.1002/ccr3.5255] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 12/04/2021] [Accepted: 12/07/2021] [Indexed: 11/10/2022] Open
Abstract
Although acute kidney injury (AKI) is a very rare complication of tramadol (TR) poisoning, overdose use in recent years should be considered. We present a 21-year-old man with metabolic acidosis, seizures, elevated serum creatine phosphokinase (CPK), creatinine, and rhabdomyolysis due to tramadol poisoning.
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Affiliation(s)
- Farhad Gholami
- Department of Internal MedicineFaculty of MedicineMazandaran University of Medical SciencesSariIran
| | - Mahdieh Sadeghi
- Student Research CommitteeMazandaran University of Medical SciencesSariIran
| | - Zakaria Zakariaei
- Toxicology and Forensic Medicine DivisionOrthopedic Research CenterMazandaran Registry Center for Opioids PoisoningImam Khomeini HospitalMazandaran University of Medical SciencesSariIran
- Toxoplasmosis Research CenterCommunicable Diseases InstituteIranian National Registry Center for Lophomoniasis and ToxoplasmosisMazandaran University of Medical SciencesSariIran
| | - Mostafa Soleymani
- Toxoplasmosis Research CenterCommunicable Diseases InstituteIranian National Registry Center for Lophomoniasis and ToxoplasmosisMazandaran University of Medical SciencesSariIran
| | - Abdollah Malakian
- Department of Emergency MedicineFaculty of MedicineMazandaran University of Medical SciencesSariIran
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2
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Helmy MA, Abdalla HA, Abd El Rahman HA, Ahmed DAM. Hepatotoxic effect of tramadol and O-desmethyltramadol in HepG2 cells and potential role of PI3K/AKT/mTOR. Xenobiotica 2021; 51:1029-1037. [PMID: 34319855 DOI: 10.1080/00498254.2021.1961919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
1. The aim of this study was to compare the in vitro cytotoxic effect of tramadol and M1 metabolite in HepG2 cell line, the underlying mechanism, and PI3K/AKT/mTOR as potential target.2. Concentrations representing therapeutic level for tramadol (2 µM) and M1 metabolite (0.5 µM) were used. In addition, other increasing concentrations representing higher toxic levels were used (6, 10 µM for tramadol and 1.5, 2.5 µM for M1 metabolites). Cytotoxicity was assessed at 24, 48 and 72 h.3. Both tramadol and M1 metabolites were able to produce cytotoxicity in a dose and time dependent manner. Insignificant difference was detected between cells exposed to tramadol and M1 metabolite at therapeutic concentrations. Tramadol-induced apoptotic and autophagic cell death while M1 metabolite-induced apoptosis only. For PI3K/AKT/mTOR pathway, the therapeutic concentration of tramadol was only able to increase phosphorylation of AKT while higher toxic concentrations were able to increase phosphorylation of whole pathway; Meanwhile, M1 metabolite was able to increase the phosphorylation of the whole pathway significantly in therapeutic and toxic concentrations.4. In conclusion, both tramadol and M1 are equally cytotoxic. Apoptosis and autophagy both mediate hepatic cell death. PI3K/AKT pathway is involved in apoptosis induction while autophagy is regulated through mTOR independent pathway.
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Affiliation(s)
- Manar A Helmy
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Hussein Abdelaziz Abdalla
- Department of Medical Biochemistry, Faculty of Medicine, Mansoura University, Mansoura, Egypt.,Department of Clinical Biochemistry and Molecular Medicine, Faculty of Medicine, Taibah University, Medina, Saudi Arabia
| | - Heba Allah Abd El Rahman
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Dalia Alsaied Moustafa Ahmed
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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3
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Alrashdi S, Paudyal V, Elnaem MH, Cheema E. Causes, Nature and Toxicology of Tramadol-Associated Deaths Reported in the Peer-Reviewed Literature: A Systematic Review of Case Studies and Case Series. DRUGS & THERAPY PERSPECTIVES 2021. [DOI: 10.1007/s40267-021-00859-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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4
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Abstract
Abstract
Aims
As an analgesic that acts upon the central nervous system (CNS), tramadol has gained popularity in treating moderate to severe pain. Recently, it has been increasingly reported as a drug of misuse with intentional overdoses or intoxications. This review focuses on tramadol intoxication in humans and its effects on different systems.
Subject and method
This narrative review provides a comprehensive view of the pharmacokinetics, mechanism of action, and incidence of tramadol toxicity with an in-depth look at its side effects. In addition, the main approaches to the management of tramadol poisoning are described.
Results
Tramadol poisoning can affect multiple organ systems: gastrointestinal, central nervous system (seizure, CNS depression, low-grade coma, anxiety, and over time anoxic brain damage), cardiovascular system (palpitation, mild hypertension to life-threatening complications such as cardiopulmonary arrest), respiratory system, renal system (renal failure with higher doses of tramadol intoxication), musculoskeletal system (rhabdomyolysis), endocrine system (hypoglycemia), as well as, cause serotonin syndrome. Seizure, a serious nervous disturbance, is more common in tramadol intoxication than with other opioids. Fatal tramadol intoxications are uncommon, except in ingestion cases concurrent with other medications, particularly CNS depressants, most commonly benzodiazepines, and ethanol.
Conclusion
With the increasing popularity of tramadol, physicians must be aware of its adverse effects, substantial abuse potential, and drug interactions, to weigh its risk–benefit ratio for pain management. Alternative therapies might be considered in patients with a previous overdose history to reduce risks for adverse outcomes.
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Su H, Li Y, Wu M, Sun T, Niu W, Jia J, Wei Z, Yun K. Dynamic Distribution and Postmortem Redistribution of Tramadol in Poisoned Rats. J Anal Toxicol 2021; 45:203-210. [PMID: 32451554 DOI: 10.1093/jat/bkaa035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/13/2020] [Accepted: 03/17/2020] [Indexed: 11/12/2022] Open
Abstract
In the past dozen years, the cases of tramadol intoxication have become frequent in many countries. Most previous studies focused on tramadol's pharmacology, such as pharmacokinetics, pharmacodynamics and pharmacogenetics. However, the dynamic distribution and postmortem redistribution (PMR) of tramadol remain unclear. Our study aimed to investigate these two issues systematically in various specimens of 216 poisoned male rats. A validated gas chromatography-mass spectrometry method was used in this study to measure the concentrations of tramadol. In the first part, 66 tramadol poisoned rats were sacrificed at 11 different time points and their organs were collected separately for the study of tramadol's dynamic distribution, which made it feasible to investigate its PMR later on. The results of this part showed that tramadol's concentrations varied according to the organ and time, and peaked 2 h after intragastric administration in the specimens of liver, kidney, spleen, lung, brain and heart-blood (except stomach and heart). Based on the results of the first part, the concentration of tramadol peaked 2 h in most tissues. Therefore, this time point was used for the study of tramadol's PMR. In the second part, the remaining 150 rats were sacrificed 2 h after intragastric administration of tramadol, and the carcasses were stored under three different conditions (-20, 4 and 20°C). The autopsy was carried out at eight different time points and their organs were collected separately. The results of this part showed that under storage temperatures of -20 and 4°C, the concentrations of tramadol in individual organs showed no significant changes at different time points whereas under a storage temperature of 20°C, the concentrations in certain organs (liver, kidney, spleen, lung, brain and heart-blood) increased significantly at the last few time points. PMR of tramadol was therefore confirmed. The process of PMR of tramadol could be slowed or stopped at lower storage temperatures (-20 or 4°C), which is significant in cases of suspected tramadol poisoning.
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Affiliation(s)
- Hongliang Su
- School of Forensic Medicine, Shanxi Medical University, No. 56, Xinjian South Road, Taiyuan, Taiyuan 030001, People's Republic of China.,Key Laboratory of Forensic Toxicology, Ministry of Public Security, No. 9 Qianmen East Street, Dongcheng District, Beijing, Beijing 100192, People's Republic of China
| | - Yongjun Li
- Hengyang Public Security Bureau, Criminal Science and Technology Institute, No. 28 Tianzhu Road, Huaxin Development Zone, Zhengxiang District, Hengyang, Hengyang 421001, People's Republic of China
| | - Miaomiao Wu
- The People's Procuratorate of Baoding, No. 106, Wusi West Road, Jingxiu District, Baoding, Baoding 071000, People's Republic of China
| | - Tingting Sun
- School of Forensic Medicine, Shanxi Medical University, No. 56, Xinjian South Road, Taiyuan, Taiyuan 030001, People's Republic of China
| | - Weifen Niu
- School of Forensic Medicine, Shanxi Medical University, No. 56, Xinjian South Road, Taiyuan, Taiyuan 030001, People's Republic of China.,Key Laboratory of Forensic Toxicology, Ministry of Public Security, No. 9 Qianmen East Street, Dongcheng District, Beijing, Beijing 100192, People's Republic of China
| | - Juan Jia
- School of Forensic Medicine, Shanxi Medical University, No. 56, Xinjian South Road, Taiyuan, Taiyuan 030001, People's Republic of China.,Key Laboratory of Forensic Toxicology, Ministry of Public Security, No. 9 Qianmen East Street, Dongcheng District, Beijing, Beijing 100192, People's Republic of China
| | - Zhiwen Wei
- School of Forensic Medicine, Shanxi Medical University, No. 56, Xinjian South Road, Taiyuan, Taiyuan 030001, People's Republic of China.,Key Laboratory of Forensic Toxicology, Ministry of Public Security, No. 9 Qianmen East Street, Dongcheng District, Beijing, Beijing 100192, People's Republic of China
| | - Keming Yun
- School of Forensic Medicine, Shanxi Medical University, No. 56, Xinjian South Road, Taiyuan, Taiyuan 030001, People's Republic of China.,Key Laboratory of Forensic Toxicology, Ministry of Public Security, No. 9 Qianmen East Street, Dongcheng District, Beijing, Beijing 100192, People's Republic of China
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Barbosa J, Faria J, Garcez F, Leal S, Afonso LP, Nascimento AV, Moreira R, Pereira FC, Queirós O, Carvalho F, Dinis-Oliveira RJ. Repeated Administration of Clinically Relevant Doses of the Prescription Opioids Tramadol and Tapentadol Causes Lung, Cardiac, and Brain Toxicity in Wistar Rats. Pharmaceuticals (Basel) 2021; 14:ph14020097. [PMID: 33513867 PMCID: PMC7912343 DOI: 10.3390/ph14020097] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 01/19/2021] [Accepted: 01/23/2021] [Indexed: 12/18/2022] Open
Abstract
Tramadol and tapentadol, two structurally related synthetic opioid analgesics, are widely prescribed due to the enhanced therapeutic profiles resulting from the synergistic combination between μ-opioid receptor (MOR) activation and monoamine reuptake inhibition. However, the number of adverse reactions has been growing along with their increasing use and misuse. The potential toxicological mechanisms for these drugs are not completely understood, especially for tapentadol, owing to its shorter market history. Therefore, in the present study, we aimed to comparatively assess the putative lung, cardiac, and brain cortex toxicological damage elicited by the repeated exposure to therapeutic doses of both prescription opioids. To this purpose, male Wistar rats were intraperitoneally injected with single daily doses of 10, 25, and 50 mg/kg tramadol or tapentadol, corresponding to a standard analgesic dose, an intermediate dose, and the maximum recommended daily dose, respectively, for 14 consecutive days. Such treatment was found to lead mainly to lipid peroxidation and inflammation in lung and brain cortex tissues, as shown through augmented thiobarbituric acid reactive substances (TBARS), as well as to increased serum inflammation biomarkers, such as C reactive protein (CRP) and tumor necrosis factor-α (TNF-α). Cardiomyocyte integrity was also shown to be affected, since both opioids incremented serum lactate dehydrogenase (LDH) and α-hydroxybutyrate dehydrogenase (α-HBDH) activities, while tapentadol was associated with increased serum creatine kinase muscle brain (CK-MB) isoform activity. In turn, the analysis of metabolic parameters in brain cortex tissue revealed increased lactate concentration upon exposure to both drugs, as well as augmented LDH and creatine kinase (CK) activities following tapentadol treatment. In addition, pneumo- and cardiotoxicity biomarkers were quantified at the gene level, while neurotoxicity biomarkers were quantified both at the gene and protein levels; changes in their expression correlate with the oxidative stress, inflammatory, metabolic, and histopathological changes that were detected. Hematoxylin and eosin (H & E) staining revealed several histopathological alterations, including alveolar collapse and destruction in lung sections, inflammatory infiltrates, altered cardiomyocytes and loss of striation in heart sections, degenerated neurons, and accumulation of glial and microglial cells in brain cortex sections. In turn, Masson's trichrome staining confirmed fibrous tissue deposition in cardiac tissue. Taken as a whole, these results show that the repeated administration of both prescription opioids extends the dose range for which toxicological injury is observed to lower therapeutic doses. They also reinforce previous assumptions that tramadol and tapentadol are not devoid of toxicological risk even at clinical doses.
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Affiliation(s)
- Joana Barbosa
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
- UCIBIO, REQUIMTE—Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
- Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- Correspondence: (J.B.); (R.J.D.-O.); Tel.: +351-224-157-216 (J.B.); +351-224-157-216 (R.J.D.-O.)
| | - Juliana Faria
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
- UCIBIO, REQUIMTE—Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
| | - Fernanda Garcez
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
| | - Sandra Leal
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
- Department of Biomedicine, Unit of Anatomy, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- CINTESIS—Center for Health Technology and Services Research, Faculty of Medicine, University of Porto, 4200-450 Porto, Portugal
| | - Luís Pedro Afonso
- Department of Pathology, Portuguese Institute of Oncology of Porto, 4200-072 Porto, Portugal;
| | - Ana Vanessa Nascimento
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
| | - Roxana Moreira
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
| | - Frederico C. Pereira
- Institute of Pharmacology and Experimental Therapeutics/iCBR, Faculty of Medicine, University of Coimbra, 3000-354 Coimbra, Portugal;
| | - Odília Queirós
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
| | - Félix Carvalho
- UCIBIO, REQUIMTE—Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
| | - Ricardo Jorge Dinis-Oliveira
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
- UCIBIO, REQUIMTE—Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
- Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- Correspondence: (J.B.); (R.J.D.-O.); Tel.: +351-224-157-216 (J.B.); +351-224-157-216 (R.J.D.-O.)
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Barbosa J, Faria J, Garcez F, Leal S, Afonso LP, Nascimento AV, Moreira R, Queirós O, Carvalho F, Dinis-Oliveira RJ. Repeated Administration of Clinical Doses of Tramadol and Tapentadol Causes Hepato- and Nephrotoxic Effects in Wistar Rats. Pharmaceuticals (Basel) 2020; 13:ph13070149. [PMID: 32664348 PMCID: PMC7407499 DOI: 10.3390/ph13070149] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/07/2020] [Accepted: 07/08/2020] [Indexed: 12/18/2022] Open
Abstract
Tramadol and tapentadol are fully synthetic and extensively used analgesic opioids, presenting enhanced therapeutic and safety profiles as compared with their peers. However, reports of adverse reactions, intoxications and fatalities have been increasing. Information regarding the molecular, biochemical, and histological alterations underlying their toxicological potential is missing, particularly for tapentadol, owing to its more recent market authorization. Considering the paramount importance of liver and kidney for the metabolism and excretion of both opioids, these organs are especially susceptible to toxicological damage. In the present study, we aimed to characterize the putative hepatic and renal deleterious effects of repeated exposure to therapeutic doses of tramadol and tapentadol, using an in vivo animal model. Male Wistar rats were randomly divided into six experimental groups, composed of six animals each, which received daily single intraperitoneal injections of 10, 25 or 50 mg/kg tramadol or tapentadol (a low, standard analgesic dose, an intermediate dose and the maximum recommended daily dose, respectively). An additional control group was injected with normal saline. Following 14 consecutive days of administration, serum, urine and liver and kidney tissue samples were processed for biochemical, metabolic and histological analysis. Repeated administration of therapeutic doses of both opioids led to: (i) increased lipid and protein oxidation in liver and kidney, as well as to decreased total liver antioxidant capacity; (ii) decreased serum albumin, urea, butyrylcholinesterase and complement C3 and C4 levels, denoting liver synthesis impairment; (iii) elevated serum activity of liver enzymes, such as alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase and γ-glutamyl transpeptidase, as well as lipid profile alterations, also reflecting hepatobiliary commitment; (iv) derangement of iron metabolism, as shown through increases in serum iron, ferritin, haptoglobin and heme oxygenase-1 levels. In turn, elevated serum cystatin C, decreased urine creatinine output and increased urine microalbumin levels were detected upon exposure to tapentadol only, while increased serum amylase and urine N-acetyl-β-D-glucosaminidase activities were observed for both opioids. Collectively, these results are compatible with kidney injury. Changes were also found in the expression levels of liver- and kidney-specific toxicity biomarker genes, upon exposure to tramadol and tapentadol, correlating well with alterations in lipid profile, iron metabolism and glomerular and tubular function. Histopathological analysis evidenced sinusoidal dilatation, microsteatosis, mononuclear cell infiltrates, glomerular and tubular disorganization, and increased Bowman's spaces. Although some findings are more pronounced upon tapentadol exposure, our study shows that, when compared with acute exposure, prolonged administration of both opioids smooths the differences between their toxicological effects, and that these occur at lower doses within the therapeutic range.
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Affiliation(s)
- Joana Barbosa
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
- UCIBIO, REQUIMTE—Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
- Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- Correspondence: (J.B.); (R.J.D.-O.); Tel.: +351-224-157-216 (J.B.); +351-224-157-216 (R.J.D.-O.)
| | - Juliana Faria
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
- UCIBIO, REQUIMTE—Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
| | - Fernanda Garcez
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
| | - Sandra Leal
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
- Department of Biomedicine, Unit of Anatomy, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- CINTESIS—Center for Health Technology and Services Research, Faculty of Medicine, University of Porto, 4200-450 Porto, Portugal
| | - Luís Pedro Afonso
- Department of Pathology, Portuguese Institute of Oncology of Porto, 4200-072 Porto, Portugal;
| | - Ana Vanessa Nascimento
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
| | - Roxana Moreira
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
| | - Odília Queirós
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
| | - Félix Carvalho
- UCIBIO, REQUIMTE—Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
| | - Ricardo Jorge Dinis-Oliveira
- IINFACTS—Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal; (J.F.); (F.G.); (S.L.); (A.V.N.); (R.M.); (O.Q.)
- UCIBIO, REQUIMTE—Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
- Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- Correspondence: (J.B.); (R.J.D.-O.); Tel.: +351-224-157-216 (J.B.); +351-224-157-216 (R.J.D.-O.)
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Ibrahim MA, Ibrahim HM, Mohamed AA, Tammam HG. Vitamin E supplementation ameliorates the hepatotoxicity induced by Tramadol: toxicological, histological and immunohistochemical study. Toxicol Mech Methods 2019; 30:177-188. [DOI: 10.1080/15376516.2019.1681043] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Mahrous A. Ibrahim
- Forensic Medicine and Clinical Toxicology, College of Medicine, Jouf University, Aljouf, KSA
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Hussein M. Ibrahim
- Department of Anatomy and Embryology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Alaa A. Mohamed
- Department of Medical Biochemistry, College of Medicine, Jouf University, Aljouf, KSA
- Department of medical biochemistry, Faculty of Medicine, Beni- Suif University, Ben Suif, Egypt
| | - Hany G. Tammam
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Al-Azhar University, Cairo, Egypt
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Sadek KM, Lebda MA, Abouzed TK, Nasr SM, El-Sayed Y. The molecular and biochemical insight view of lycopene in ameliorating tramadol-induced liver toxicity in a rat model: implication of oxidative stress, apoptosis, and MAPK signaling pathways. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:33119-33130. [PMID: 30251044 DOI: 10.1007/s11356-018-3265-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 09/17/2018] [Indexed: 06/08/2023]
Abstract
The influence of tramadol (TD) on hepatic tissue and the potential efficiency of lycopene to mitigate TD-induced hepatotoxic impacts were determined. Forty male albino rats were allocated into four groups: group I, untreated (placebo); group II, injected with TD (15 mg kg-1) intraperitoneally (i.p.); group III, gastrogavaged with lycopene (10 mg kg-1) per os (p.o.); and group IV received TD with lycopene with the same mentioned doses for 15 days. The results demonstrated that TD induced augmentation in tissue lipid peroxidation biomarker and disturbance in the antioxidant homeostasis and elevated the activity of serum liver injury biomarkers and decreased serum protein, globulin, and albumin. Hepatic glutathione S-transferase (GST), superoxide dismutase (SOD), thioredoxin-1 (Txn-1), and catalase (CAT) activities and gene expression were decreased and glutathione content was reduced in the TD-challenged rats, and these effects were alleviated by lycopene. Furthermore, TD induced apoptosis in liver tissues as shown by DNA fragmentation and upregulation of proapoptotic Bax and Casp-3 while lycopene upregulated the antiapoptotic Bcl-2. The results of Western blot showed that lycopene initiated low expression of mitogen activated protein kinase pathway (MAPK) protein expression in liver tissues of TD-challenged rats. In addition, lycopene reduced fatty degeneration and necrosis of the liver in TD-challenged group. Our data demonstrate that lycopene appears to be highly efficient in mitigating the hepatotoxic impacts of TD by preventing lipid peroxidation and initiating modifications in the expression and activity of antioxidant pathways. Surprisingly, lycopene fortified liver tissue by inhibiting DNA fragmentation and apoptosis signaling induced by TD. MAPK activation may be dependent from ROS generation; due to lycopene which possessed antioxidant potential did have a substantial effect on MAPK activity.
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Affiliation(s)
- Kadry M Sadek
- Department of Biochemistry, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt.
| | - Mohamed A Lebda
- Department of Biochemistry, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Tarek K Abouzed
- Department of Biochemistry, Faculty of Veterinary Medicine, Kafr El-Sheikh University, Kafr El-Sheikh, Egypt
| | - Sherif M Nasr
- Department of Molecular Biology and Genetics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
| | - Yasser El-Sayed
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
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Sheweita SA, Almasmari AA, El-Banna SG. Tramadol-induced hepato- and nephrotoxicity in rats: Role of Curcumin and Gallic acid as antioxidants. PLoS One 2018; 13:e0202110. [PMID: 30110401 PMCID: PMC6093657 DOI: 10.1371/journal.pone.0202110] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Accepted: 07/27/2018] [Indexed: 11/18/2022] Open
Abstract
Tramadol is an analgesic used to treat moderate to severe pain caused by cancer, osteoarthritis, and other musculoskeletal diseases. Cytochrome P450 system metabolizes tramadol and induces oxidative stress in different organs. Therefore, the present study aims at investigating the changes in the activities and the protein expressions of CYPs isozymes (2E1, 3A4, 2B1/2), antioxidants status, free radicals levels after pretreatment of rats with Curcumin and/or Gallic as single- and/or repeated-doses before administration of tramadol. In repeated-dose treatments of rats with tramadol, the activities of cytochrome P450, cytochrome b5, and NADPH-cytochrome-c-reductase, and the antioxidant enzymes including glutathione reductase, glutathione peroxidase, glutathione S-transferase, catalase, superoxide dismutase, and levels of glutathione were inhibited in the liver and the kidney of rats. Interestingly, such changes caused by tramadol restored to their normal levels after pretreatment of rats with either Curcumin and/or Gallic acid. On the other hand, repeated-dose treatment of rats with tramadol increased the activities of both dimethylnitrosamine N-demethylase I (DMN-dI), and aryl hydrocarbon hydroxylase (AHH) compared to the control group. However, pretreatment of rats with Curcumin and/or Gallic acid prior to administration of tramadol restored the inhibited DMN-dI activity and its protein expression (CYP 2E1) to their normal levels. On the other hand, tramadol inhibited the activity of ethoxycoumarin O-deethylase (ECOD) and suppressed its protein marker expression (CYP2B1/2), whereas Curcumin, Gallic acid and/or their mixture restored such changes to their normal levels. In conclusion, Curcumin and/or Gallic acid alleviated the adverse effects caused by tramadol. In addition, patients should be advice to take Curcumin and/or Gallic acid prior to tramadol treatment to alleviate the hepatic and renal toxicities caused by tramadol.
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Affiliation(s)
- Salah A. Sheweita
- Department of Biotechnology, Institute of Graduate Studies and Research, Alexandria University, Alexandra, Egypt
| | - Ainour A. Almasmari
- Department of Biotechnology, Institute of Graduate Studies and Research, Alexandria University, Alexandra, Egypt
| | - Sabah G. El-Banna
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandra, Egypt
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Baghishani F, Mohammadipour A, Hosseinzadeh H, Hosseini M, Ebrahimzadeh-Bideskan A. The effects of tramadol administration on hippocampal cell apoptosis, learning and memory in adult rats and neuroprotective effects of crocin. Metab Brain Dis 2018; 33:907-916. [PMID: 29470767 PMCID: PMC5956046 DOI: 10.1007/s11011-018-0194-6] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Accepted: 01/22/2018] [Indexed: 02/07/2023]
Abstract
Tramadol, a frequently used pain reliever drug, present neurotoxic effects associated to cognitive dysfunction. Moreover, crocin has been reported to have neuroprotective effects. The aim of this study was to assess crocin's capacity to protect learning, and memory abilities on tramadol-treated rats. A total of 35 rats were divided into five groups: Control, Saline, tramadol (50 mg/kg), tramadol + crocin(30 mg/kg), crocin groups and treated orally for 28 consecutive days. Morris water maze (MWM) and passive avoidance (PA) tests were done, followed by dissection of the rat's brains for toluidine blue and TUNEL staining. In MWM test, tramadol group spent lower time and traveled shorter distance in the target quadrant (Q1) (P < 0.05). On the other side, the traveled distance in tramadol-crocin group was higher than tramadol (P < 0.05). In PA test, both the delay for entering the dark, and the total time spent in the light compartment decreased in tramadol comparing to the control group (P < 0.05), while it increased in tramadol-crocin compared with the tramadol group (P < 0.05). In tramadol-treated animals, the dark neurons (DNs) and apoptotic cells in CA1, CA3 and DG increased (P < 0.05), while concurrent intake of crocin decreased the number of DNs and apoptotic cells in these areas (P < 0.05). Crocin was able to improve learning and memory of tramadol-treated rats and also decreased DNs and apoptotic cells in the hippocampus. Considering these results, the potential capacity of crocin for decreasing side effects of tramadol on the nervous system is suggested.
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Affiliation(s)
- Farideh Baghishani
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Azadi Sq., Vakilabad Blvd, P.O. Box 91779-48564, Mashhad, Iran
| | - Abbas Mohammadipour
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Azadi Sq., Vakilabad Blvd, P.O. Box 91779-48564, Mashhad, Iran
- Microanatomy Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossain Hosseinzadeh
- Pharmaceutical Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahmoud Hosseini
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alireza Ebrahimzadeh-Bideskan
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Azadi Sq., Vakilabad Blvd, P.O. Box 91779-48564, Mashhad, Iran.
- Microanatomy Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Genetic polymorphisms of cytochrome P450 2D6 (CYP2D6) are associated with long term tramadol treatment-induced oxidative damage and hepatotoxicity. Toxicol Appl Pharmacol 2018; 346:37-44. [DOI: 10.1016/j.taap.2018.03.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 02/22/2018] [Accepted: 03/14/2018] [Indexed: 01/03/2023]
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Faria J, Barbosa J, Moreira R, Queirós O, Carvalho F, Dinis-Oliveira RJ. Comparative pharmacology and toxicology of tramadol and tapentadol. Eur J Pain 2018; 22:827-844. [PMID: 29369473 DOI: 10.1002/ejp.1196] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2018] [Indexed: 12/18/2022]
Abstract
Moderate-to-severe pain represents a heavy burden in patients' quality of life, and ultimately in the society and in healthcare costs. The aim of this review was to summarize data on tramadol and tapentadol adverse effects, toxicity, potential advantages and limitations according to the context of clinical use. We compared data on the pharmacological and toxicological profiles of tramadol and tapentadol, after an extensive literature search in the US National Library of Medicine (PubMed). Tramadol is a prodrug that acts through noradrenaline and serotonin reuptake inhibition, with a weak opioid component added by its metabolite O-desmethyltramadol. Tapentadol does not require metabolic activation and acts mainly through noradrenaline reuptake inhibition and has a strong opioid activity. Such features confer tapentadol potential advantages, namely lower serotonergic, dependence and abuse potential, more linear pharmacokinetics, greater gastrointestinal tolerability and applicability in the treatment of chronic and neuropathic pain. Although more studies are needed to provide clear guidance on the opioid of choice, tapentadol shows some advantages, as it does not require CYP450 system activation and has minimal serotonergic effects. In addition, it leads to less side effects and lower abuse liability. However, in vivo and in vitro studies have shown that tramadol and tapentadol cause similar toxicological damage. In this context, it is important to underline that the choice of opioid should be individually balanced and a tailored decision, based on previous experience and on the patient's profile, type of pain and context of treatment. SIGNIFICANCE This review underlines the need for a careful prescription of tramadol and tapentadol. Although both are widely prescribed synthetic opioid analgesics, their toxic effects and potential dependence are not completely understood yet. In particular, concerning tapentadol, further research is needed to better assess its toxic effects.
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Affiliation(s)
- J Faria
- Department of Sciences, IINFACTS, Institute of Research and Advanced Training in Health Sciences and Technologies, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal.,Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy UCIBIO-REQUIMTE, University of Porto, Porto, Portugal.,Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, Porto, Portugal
| | - J Barbosa
- Department of Sciences, IINFACTS, Institute of Research and Advanced Training in Health Sciences and Technologies, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal.,Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy UCIBIO-REQUIMTE, University of Porto, Porto, Portugal.,Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, Porto, Portugal
| | - R Moreira
- Department of Sciences, IINFACTS, Institute of Research and Advanced Training in Health Sciences and Technologies, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal
| | - O Queirós
- Department of Sciences, IINFACTS, Institute of Research and Advanced Training in Health Sciences and Technologies, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal
| | - F Carvalho
- Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy UCIBIO-REQUIMTE, University of Porto, Porto, Portugal
| | - R J Dinis-Oliveira
- Department of Sciences, IINFACTS, Institute of Research and Advanced Training in Health Sciences and Technologies, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal.,Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy UCIBIO-REQUIMTE, University of Porto, Porto, Portugal.,Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, Porto, Portugal
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Simeon GG, Abbey ST. Some Marker Enzymes and Histological Alteration on the Administration of Tramadol Hydrochloride on Rat Liver. ACTA ACUST UNITED AC 2018. [DOI: 10.4236/mri.2018.71002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Effets indésirables « graves » du tramadol : bilan 2011–2015 de pharmacovigilance en France. Therapie 2017; 72:615-624. [DOI: 10.1016/j.therap.2017.03.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Accepted: 03/16/2017] [Indexed: 11/23/2022]
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Adikwu E, Bokolo B. Melatonin and N- Acetylcysteine as Remedies for Tramadol-Induced Hepatotoxicity in Albino Rats. Adv Pharm Bull 2017; 7:367-374. [PMID: 29071218 PMCID: PMC5651057 DOI: 10.15171/apb.2017.044] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Revised: 07/17/2017] [Accepted: 07/19/2017] [Indexed: 12/21/2022] Open
Abstract
Purpose: The therapeutic benefit derived from the clinical use of tramadol (TD) has been characterized by hepatotoxicity due to misuse and abuse. The implications of drug-induced hepatotoxicity include socio-economic burden which makes the search for remedy highly imperative. The present study investigated the protective effects of melatonin (MT) and n-acetylcysteine (NAC) on TD-induced hepatotoxicity in albino rats. Methods: Forty five adult rats used for this study were divided into nine groups of five rats each. The rats were pretreated with 10mg/kg/day of NAC, 10mg/kg/day of MT and combined doses of NAC and MT prior to the administration of 15 mg/kg/day of TD intraperitoneally for 7 days respectively. At the termination of drug administration, rats were weighed, sacrificed, and serum was extracted and evaluated for liver function parameters. The liver was harvested, weighed and evaluated for oxidative stress indices and liver enzymes. Results: Alanine aminotransferase, alkaline phosphatase, aspartate aminotransferase, total bilirubin, conjugated bilirubin, and malondialdehyde levels were significantly (P<0.05) increased in rats administered with TD when compared to control. Furthermore, glutathione, superoxide dismutase and catalase levels were decreased significantly (P<0.05) in rats administered with TD when compared to control. The Liver of TD-treated rats showed necrosis of hepatocytes. However, the observed biochemical and liver histological alterations in TD-treated rats were attenuated in NAC and MT pretreated rats. Interestingly, pretreatment with combined doses of NAC and MT produced significant (P<0.05) effects on all evaluated parameters in comparison to their individual doses. Conclusion: Based on the findings in this study, melatonin and n- acetylcysteine could be used clinically as remedies for tramadol associated hepatotoxity.
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Affiliation(s)
- Elias Adikwu
- Department of Pharmacology, Faculty of Basic Medical Sciences, University of Port Harcourt, Choba, Rivers State, Nigeria
| | - Bonsome Bokolo
- Department of Pharmacology, Faculty of Basic Medical Sciences, Niger Delta University Wilberforce Island, Bayelsa State, Nigeria
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Barbosa J, Faria J, Leal S, Afonso LP, Lobo J, Queirós O, Moreira R, Carvalho F, Dinis-Oliveira RJ. Acute administration of tramadol and tapentadol at effective analgesic and maximum tolerated doses causes hepato- and nephrotoxic effects in Wistar rats. Toxicology 2017; 389:118-129. [PMID: 28689766 DOI: 10.1016/j.tox.2017.07.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 06/21/2017] [Accepted: 07/04/2017] [Indexed: 01/12/2023]
Abstract
Tramadol and tapentadol are two atypical synthetic opioid analgesics, with monoamine reuptake inhibition properties. Mainly aimed at the treatment of moderate to severe pain, these drugs are extensively prescribed for multiple clinical applications. Along with the increase in their use, there has been an increment in their abuse, and consequently in the reported number of adverse reactions and intoxications. However, little is known about their mechanisms of toxicity. In this study, we have analyzed the in vivo toxicological effects in liver and kidney resulting from an acute exposure of a rodent animal model to both opioids. Male Wistar rats were intraperitoneally administered with 10, 25 and 50mg/kg tramadol and tapentadol, corresponding to a low, effective analgesic dose, an intermediate dose and the maximum recommended daily dose, respectively, for 24h. Toxicological effects were assessed in terms of oxidative stress, biochemical and metabolic parameters and histopathology, using serum and urine samples, liver and kidney homogenates and tissue specimens. The acute exposure to tapentadol caused a dose-dependent increase in protein oxidation in liver and kidney. Additionally, exposure to both opioids led to hepatic commitment, as shown by increased serum lipid levels, decreased urea concentration, increased alanine aminotransferase and decreased butyrylcholinesterase activities. It also led to renal impairment, as reflected by proteinuria and decreased glomerular filtration rate. Histopathological findings included sinusoidal dilatation, microsteatosis, vacuolization, cell infiltrates and cell degeneration, indicating metabolic changes, inflammation and cell damage. In conclusion, a single effective analgesic dose or the maximum recommended daily dose of both opioids leads to hepatotoxicity and nephrotoxicity, with tapentadol inducing comparatively more toxicity. Whether these effects reflect risks during the therapeutic use or human overdoses requires focused attention by the medical community.
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Affiliation(s)
- Joana Barbosa
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal; UCIBIO, REQUIMTE - Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal; Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, Porto, Portugal.
| | - Juliana Faria
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal; UCIBIO, REQUIMTE - Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal; Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Sandra Leal
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal; Department of Biomedicine, Unit of Anatomy, Faculty of Medicine, University of Porto, Porto, Portugal; CINTESIS - Center for Health Technology and Services Research, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Luís Pedro Afonso
- Department of Pathology, Portuguese Institute of Oncology of Porto, Porto, Portugal
| | - João Lobo
- Department of Pathology, Portuguese Institute of Oncology of Porto, Porto, Portugal
| | - Odília Queirós
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal; CBMA - Center for Molecular Biology and Environment, Department of Biology, University of Minho, Braga, Portugal
| | - Roxana Moreira
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal; CBMA - Center for Molecular Biology and Environment, Department of Biology, University of Minho, Braga, Portugal
| | - Félix Carvalho
- UCIBIO, REQUIMTE - Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Ricardo Jorge Dinis-Oliveira
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal; UCIBIO, REQUIMTE - Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal; Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, Porto, Portugal.
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Michelon H, Bouchand F, Polito A, Clair B, Annane D. Fatal tramadol-induced multiple organ failure. Therapie 2016; 71:435-7. [DOI: 10.1016/j.therap.2016.02.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Accepted: 12/18/2015] [Indexed: 10/22/2022]
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Soleimanpour H, Safari S, Shahsavari Nia K, Sanaie S, Alavian SM. Opioid Drugs in Patients With Liver Disease: A Systematic Review. HEPATITIS MONTHLY 2016; 16:e32636. [PMID: 27257423 PMCID: PMC4887963 DOI: 10.5812/hepatmon.32636] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 12/27/2015] [Accepted: 12/27/2015] [Indexed: 12/11/2022]
Abstract
CONTEXT The liver, one of the most important organs of the body, is known to be responsible for several functions. The functional contribution of the liver to the metabolism of carbohydrates, protein, drugs and toxins, fats and cholesterol and many other biological processes are still unknown. Liver disorders are classified into two types: acute and chronic. Different drugs are used in liver diseases to treat and control pain. Most pain relief medications such as opioids are metabolized via the liver; therefore, the adverse reactions of drugs are probably higher for patients with liver disease. The current study aimed to evaluate the effects of opioid drugs on patients with liver disease; therefore, it is necessary to select suitable opioids for such patients. EVIDENCE ACQUISITION This review was written by referring to research literature including 70 articles and four textbooks published from 1958 to 2015 on various reputable sites. Searches were carried out on the key phrases of narcotic pain relievers (opioids), acute and chronic hepatic failure, opioid adverse drug reactions, drug-induced liver injury (DILI) and other similar keywords. References included a variety of research papers (descriptive and analytical), intervention and review articles. RESULTS In patients with liver disease, administration of opioid analgesics should be observed, accurately. As a general rule, lower doses of drugs should be administered at regular intervals based on the signs of drug accumulation. Secondly, the interactions of opioid drugs with different levels of substrates of the P450 cytochrome enzyme should be considered. CONCLUSIONS Pain management in patients with liver dysfunction is always challenging to physicians because of the adverse reactions of drugs, especially opioids. Opioids should be used cautiously since they can cause sedation, constipation and sudden encephalopathy effects. Since the clearance of these drugs in patients with hepatic insufficiency is decreased, the initial dose must be decreased, the intervals between doses should be increased and some patients need to be continuously assessed.
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Affiliation(s)
- Hassan Soleimanpour
- Road Traffic Injury Research Center, Tabriz University of Medical Sciences, Tabriz, IR Iran
| | - Saeid Safari
- Pain Research Center, Iran University of Medical Sciences, Tehran, IR Iran
| | - Kavous Shahsavari Nia
- Emergency Medicine Research Team, Tabriz University of Medical Sciences, Tabriz, IR Iran
| | - Sarvin Sanaie
- Tuberculosis and Lung Research Center, Tabriz University of Medical Sciences, Tabriz, IR Iran
| | - Seyed Moayed Alavian
- Baqiyatallah Research Center for Gastroenterology and Liver Diseases, Baqiyatallah University of Medical Sciences, Tehran, IR Iran
- Tehran Hepatitis Center, Tehran, IR Iran
- Corresponding Author: Seyed Moayed Alavian, Baghiyatallah Research Center for Gastroenterology and Liver Diseases, Baghiyatallah University of Medical Sciences, Tehran, IR Iran. Tel: +98-2181262072, Fax: +98-2181262072, E-mail:
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Mahgoub R, El-Hadidy M, Abo El Hoda M, Atrouny M. A study of opioid dependence among Mansoura University students. ACTA ACUST UNITED AC 2016. [DOI: 10.4103/1110-1105.195548] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Elkhateeb A, El Khishin I, Megahed O, Mazen F. Effect of Nigella sativa Linn oil on tramadol-induced hepato- and nephrotoxicity in adult male albino rats. Toxicol Rep 2015; 2:512-519. [PMID: 28962386 PMCID: PMC5598165 DOI: 10.1016/j.toxrep.2015.03.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Revised: 03/05/2015] [Accepted: 03/06/2015] [Indexed: 01/12/2023] Open
Abstract
The present study was carried out to evaluate the role of Nigella sativa Linn (NsL) oil against subacute tramadol-induced hepatotoxicity, nephrotoxicity as well as oxidative stress in adult male albino rats. Sixty adult male albino rats were divided into four groups. Group I: control group; 30 rats equally subdivided into: Ia; −ve control group, Ib; +ve control group received saline, Ic; +ve control group received corn oil. Group II: 10 rats received NsL oil; 1 mg/kg in 1 ml corn oil/day, group III: 10 rats received tramadol; 30 mg/kg/day, group IV: 10 rats received tramadol + NsL oil in the previous doses. Treatments were given by gavage for 30 days. Then rats were sacrificed and specimens from the livers and kidneys were taken for biochemical and histopathological study. Biochemical data showed elevated liver enzymes; alanine transaminase (ALT), aspartate transaminase (AST), gamma glutamyltransferase (GGT), bilirubin as well as urea and creatinine in tramadol group. A significant increase in hepatic and renal malondialdehyde (MDA) and a decrease in glutathione peroxidase (GPx) levels were also noticed. Histological analysis of the liver showed vacuolated hepatocyte cytoplasm indicating hydropic degeneration with binucleated cells, apoptotic nuclei, congested central veins, cellular infiltration and hemorrhage. Kidney sections revealed atrophied glomeruli with collapsed tufts and wide Bowman's space, degenerated tubules, hemorrhage and mononuclear cellular infiltration. There was also an increase in area % of collagen fibers in both organs. Concomitant use of NsL oil with tramadol induced partial improvement in the hepato- and nephrotoxic effects. In conclusion, this study suggested that concomitant use of NsL oil with tramadol proved to be capable of ameliorating tramadol-induced hepato- and nephrotoxicity which might be due to its antioxidant potential.
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Affiliation(s)
- A Elkhateeb
- Department of Forensic Medicine and clinical Toxicology, Faculty of Medicine, Zagazig University, Egypt
| | - I El Khishin
- Department of Forensic Medicine and clinical Toxicology, Faculty of Medicine, Zagazig University, Egypt
| | - O Megahed
- Department of Forensic Medicine and clinical Toxicology, Faculty of Medicine, Zagazig University, Egypt
| | - F Mazen
- Department of Histology and Cell Biology, Faculty of Medicine, Zagazig University, Egypt
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Khosrojerdi H, Alipour Talesh G, Danaei GH, Shokooh Saremi S, Adab A, Afshari R. Tramadol half life is dose dependent in overdose. Daru 2015; 23:22. [PMID: 25888861 PMCID: PMC4348403 DOI: 10.1186/s40199-015-0104-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Accepted: 02/14/2015] [Indexed: 11/10/2022] Open
Abstract
Background Tramalol overdose is disproportionately more common in Iran. In recent years, Tramadol overdose has become one of the most common causes of poisoning admissions to emergency departments in this country. To the best of our knowledge, there is little or no information regarding the toxicokinetic properties of Tramadol such as its half life. Given the fact that poisoning management should be based on the toxicokinetic of substances, we aimed at investigating the half life of Tramadol in man as a critical toxicokinetic variable in overdose. Methods Blood samples of each patient were collected on admission and repeated later. Plasma was harvested after separation from blood cells by centrifugation and quantified using HPLC method. Calculations were performed on Tramadol blood concentration quantities. Findings Demographic: Most of cases were men (81.81%). Mean (Standard Deviation (SD), min-max) age was 23 (8.142, 17-40). Serum Tramadol levels: Mean (SD, min-max) first Tramadol concentration was 786.91 (394.53, 391-1495). Mean (SD, min-max) second Tramadol concentration was 433.09 (269.63, 148-950). Mean (SD, min-max) of Tramadol half life was calculated as 9.24 hour (2.310, 4.99-13.45) Associations: Half life was associated with higher concentrations (r=0.708 Sig=0.015). Conclusion We report the mean half life of tramadol in overdose to be 9.24 hours which is remarkably higher than that measured in previous pharmacokinetic studies. We also concluded that Tramadol half life is dose dependent in overdose which may explain the further consequences of severe overdoses.
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Affiliation(s)
- Hamid Khosrojerdi
- Addiction Research Centre, Imam Reza (p) Hospital, Ibn-e-Sina Street, Mashhad University of Medical Sciences, Mashhad, 9133316791, Iran.
| | - Ghazal Alipour Talesh
- Nanotechnology Research Centre, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Gholam Hassan Danaei
- Addiction Research Centre, Imam Reza (p) Hospital, Ibn-e-Sina Street, Mashhad University of Medical Sciences, Mashhad, 9133316791, Iran.
| | - Sara Shokooh Saremi
- Nanotechnology Research Centre, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Afrouz Adab
- Addiction Research Centre, Imam Reza (p) Hospital, Ibn-e-Sina Street, Mashhad University of Medical Sciences, Mashhad, 9133316791, Iran.
| | - Reza Afshari
- Addiction Research Centre, Imam Reza (p) Hospital, Ibn-e-Sina Street, Mashhad University of Medical Sciences, Mashhad, 9133316791, Iran.
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Tramadol chronic abuse: An evidence from hair analysis by LC tandem MS. J Pharm Biomed Anal 2015; 102:450-8. [DOI: 10.1016/j.jpba.2014.10.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Revised: 09/29/2014] [Accepted: 10/01/2014] [Indexed: 11/20/2022]
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Randall C, Crane J. Tramadol deaths in Northern Ireland: a review of cases from 1996 to 2012. J Forensic Leg Med 2014; 23:32-6. [PMID: 24661703 DOI: 10.1016/j.jflm.2014.01.006] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Revised: 01/06/2014] [Accepted: 01/19/2014] [Indexed: 11/18/2022]
Abstract
In the UK tramadol is a frequently prescribed opioid analgesic which is becoming increasingly popular as a drug of misuse. Its use varies worldwide and in the last decade it has been upgraded to a controlled substance in several countries, due to an increased number of deaths associated with its use. A review of all deaths associated with tramadol in Northern Ireland was performed and this highlighted 127 cases from 1996 to the end of 2012. A 10% increase in deaths due to tramadol was noted. In 2001 tramadol deaths represented 9% of all drug misuse deaths rising to 40% in 2011. The majority of the deaths occurred in males (62%), with a median age of 41 years, living in the Belfast city area (36%). Tramadol fatalities were found in combination with other drugs/medicines (49%), alcohol (36%) or alone (23%). Most of those who died did not reach hospital, with only 2% presenting with multi-organ or acute liver failure. In just over half of the deaths tramadol had not been prescribed by a medical practitioner (53%). Depression, addiction and seizures were recognised risk factors. An increase in awareness of tramadol toxicity is needed amongst the public and doctors.
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Affiliation(s)
- C Randall
- State Pathologist's Department, Institute of Forensic Medicine, Grosvenor Road, Belfast BT12 6BS, Northern Ireland, UK.
| | - J Crane
- State Pathologist's Department, Institute of Forensic Medicine, Grosvenor Road, Belfast BT12 6BS, Northern Ireland, UK
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25
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Costa I, Oliveira A, Guedes de Pinho P, Teixeira HM, Moreira R, Carvalho F, Dinis-Oliveira RJ. Postmortem redistribution of tramadol and O-desmethyltramadol. J Anal Toxicol 2013; 37:670-675. [PMID: 24084873 DOI: 10.1093/jat/bkt084] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023] Open
Abstract
Tramadol is a widely used analgesic opioid for moderate-to-severe pain due to its efficacy and safety. Although tramadol induces less adverse effects compared with other opioids, an increased number of documented cases of dependence, abuse, intentional overdose or intoxication have been described. In fatal intoxication, the interpretation of the probable cause of death often relies on the measurement of the tramadol concentration in blood. However, postmortem redistribution (PMR) may affect the results and therefore bias the autopsy report. In the present study, the postmortem cardiac and femoral blood samples from 15 cases of fatal tramadol intoxication were obtained to assess the PMR of tramadol and its main active metabolite, O-desmethyltramadol (M1). Toxicological analysis was performed by the gas chromatography-electron impact-mass spectrometry (GC-EI-MS) method, previously developed and validated for the quantification of both analytes. The cardiac-to-femoral blood ratios of 1.40 and 1.28 were obtained for tramadol and M1, respectively. Results were compared with those in the literature and it was possible to conclude that femoral blood should be considered for quantitative interpretations in fatal cases of tramadol intoxication.
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Affiliation(s)
- Isabel Costa
- 1Department of Sciences, Advanced Institute of Health Sciences-North, CESPU, Cooperativa de Ensino Superior, Politécnico e Universitário, CRL, Central de Gandra Street, 1317, Gandra 4585-116, Portugal
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26
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Sevimli ZU, Dursun H, Erdogan F. Histopathologic changes in liver induced by morphine and tramadol. ACTA ACUST UNITED AC 2013. [DOI: 10.1163/156856906778704687] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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27
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Abadie D, Durrieu G, Roussin A, Montastruc JL. ["Serious" adverse drug reactions with tramadol: a 2010-2011 pharmacovigilance survey in France]. Therapie 2013; 68:77-84. [PMID: 23773348 DOI: 10.2515/therapie/2013021] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Accepted: 02/15/2013] [Indexed: 11/20/2022]
Abstract
OBJECTIVE Tramadol is a weak opioid used as a step 2 analgesic, approved in France for moderate to severe pain. After dextropropoxyphene withdrawal, a national pharmacovigilance follow-up of tramadol was decided by the French Drug Agency. METHODS All Serious Adverse Drug Reactions (SADR) notified with tramadol to the French PharmacoVigilance Centres (CRPV) and pharmaceutical companies between August 1(st), 2010 and July 31(th), 2011 were analyzed. RESULTS During the study period, 296 cases of SADR were notified to CRPV and 59 to pharmaceutical companies. Apart from opiate-related SADR, tramadol induced serotoninergic SADR, including seizures or serotoninergic syndromes. Several « unlabelled » SADR were also identified: some of them, like hyponatremia or hypoglycemia, are poorly known by health professionals. Other were never published: peripheral edema or pancreatitis. CONCLUSION This study shows that besides well-known opioid or serotoninergic ADR, tramadol can also induce 2 other relatively unknown ADR: hypoglycemia and hyponatremia.
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Affiliation(s)
- Delphine Abadie
- Laboratoire de Pharmacologie Médicale et Clinique, Centre Midi-Pyrénées de Pharmacovigilance, de Pharmacoépidémiologie et d'Informations sur le Médicament, et Centre Midi-Pyrénées d'Évaluation et d'Information sur la Pharmacodépendance-Addictovigilance, Université de Toulouse, Faculté de Médecine, Centre hospitalier universitaire, Toulouse, France.
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28
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Abstract
OBJECTIVE To report a case of prolonged hypoglycemia after acute tramadol poisoning. METHODS We describe a patient's clinical presentation and outcome with prolonged hypoglycemia attributable to acute tramadol poisoning. In addition, the possible mechanism for the hypoglycemia is discussed, and a brief review of the pertinent literature is presented. RESULTS A 54-year-old woman had previously undergone a partial hepatectomy because of involvement of her liver by a gastrointestinal stromal tumor. After ingestion of 3,000 mg of tramadol with suicidal intent, she developed prolonged hypoglycemia that necessitated treatment with continuous intravenous glucose infusion for 24 hours. Reports in the literature have described central nervous system depression, nausea, vomiting, tachycardia, seizures, and even death from tramadol overdoses. CONCLUSION This report alerts clinicians to the potential danger of severe hypoglycemia in tramadol poisoning.
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Affiliation(s)
- Nadarajah Mugunthan
- Department of Endocrinology and General Medicine, Gold Coast Hospital, Southport, Queensland, Australia.
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29
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Barbera N, Fisichella M, Bosco A, Indorato F, Spadaro G, Romano G. A suicidal poisoning due to tramadol. A metabolic approach to death investigation. J Forensic Leg Med 2013; 20:555-8. [PMID: 23756535 DOI: 10.1016/j.jflm.2013.03.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Revised: 12/30/2012] [Accepted: 03/02/2013] [Indexed: 11/24/2022]
Abstract
Tramadol is a synthetic opioid, widely used for post-surgical and chronic pain. Lethal overdose due only to tramadol is not common; more often the poisoning is due to tramadol in combination with other substances. Reported is a suicidal case of lethal tramadol poisoning in a 48-year-old woman. Tramadol and its metabolites O-desmethyltramadol (M1), N-desmethyltramadol (M2), N,N-didesmethyltramadol (M3), N,O-didesmethyltramadol (M5) were detected by GC/MS in biological fluids (femoral blood, bile, urine, gastric content) and viscera (brain, lung, liver and kidney). The tramadol concentration in femoral blood was 61.83 mcg/ml which is approximately 30 times higher than that believed to be lethal. According with other Authors, a preferential formation of M1 over M2 (M1/M2 ratio >1) is indicative of acute death, while M1/M2 ratio <1 suggests that death occurred after a longer time lapse from ingestion.
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Affiliation(s)
- Nunziata Barbera
- Department G.F. Ingrassia, Laboratory of Forensic Toxicology, University of Catania, Italy
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Han E, Kim E, Hong H, Jeong S, Kim J, In S, Chung H, Lee S. Evaluation of postmortem redistribution phenomena for commonly encountered drugs. Forensic Sci Int 2012; 219:265-71. [DOI: 10.1016/j.forsciint.2012.01.016] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Revised: 01/02/2012] [Accepted: 01/05/2012] [Indexed: 10/14/2022]
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31
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Abstract
This study examines the relation between seizure and plasma tramadol concentration in patients with tramadol poisoning, as a novel centrally acting analgesic used for the treatment of mild to severe pain. All patients admitted with a history of tramadol overdose accompanied by unconsciousness or seizures referred to Baharloo Hospital Poison Center, Tehran, Iran from March 2008 to March 2009 were included. Demographic information, clinical findings, and blood tramadol concentrations were studied. There were 401 patients with a history of tramadol overdose; 121 (30.2%) with a history of seizure and 14 (3.5%) with a history of unconsciousness were included. Most of overdoses involved men (83%). The mean age was 22.9 years (range, 14-50 years). Intentional overdose was the most common mode of poisoning (51.9%). The mean dose ingested was 1,511 mg (SD, 1,353; range, 200-7,000). Mean back-extrapolated tramadol blood concentrations were 3,843 ng/mL (3,715; 269-20,049). Back-extrapolated blood concentrations were correlated with dose (r = 0.313; P < 0.001) as well as blood concentration levels (r = 0.801; P < 0.001). Seizure was significantly correlated to higher reported dose (P < 0.001) and tramadol only to overdose (P < 0.001). However, it was neither related to higher tramadol blood concentrations, nor related to time elapsed, age, sex, history of addiction, and observed Glasgow Coma Scale of patients. Most patients experienced just one seizure (76%). The tramadol-induced seizure is dose dependent. Although higher doses of tramadol was related to higher blood concentration, blood tramadol concentrations was not associated with seizure.
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32
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Abstract
Tramadol, a commonly prescribed opioid analgesic, is considered to have a low abuse potential and devoid of side effects like drug dependence. Very few fatalities due to isolated tramadol overdose, either intentional or accidental, have been reported so far. We report a case of a 27-year-old female with isolated tramadol overdose, having a peripheral blood tramadol concentration of 4mg/L, which is exceeding the lethal blood concentration of 2mg/L. This is the first report of a patient in Singapore who survived tramadol overdose despite having a lethal blood concentration. Physicians should be aware that patients with tramadol overdose may only present with signs related to isolated Serotonin-Norepinephrine Reuptake Inhibitor (SNRI) properties and not always associated with the features of classical opioid overdose. Some patients might exhibit a certain degree of tolerance to the drug after prolonged prior exposure to the medication, and this tolerance could extend beyond the therapeutic range. It also emphasises the need for physicians to be more cautious while prescribing tramadol to their patients.
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Affiliation(s)
- Sohil Pothiawala
- Department of Emergency Medicine, Singapore General Hospital, Singapore
| | - R Ponampalam
- Department of Emergency Medicine, Singapore General Hospital, Singapore
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33
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34
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Iravani FS, Akhgari M, Jokar F, Bahmanabadi L. Current trends in tramadol-related fatalities, Tehran, Iran 2005-2008. Subst Use Misuse 2010; 45:2162-71. [PMID: 20394504 DOI: 10.3109/10826081003692098] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Tramadol is a widely prescribed drug. Abuse of tramadol as well as tramadol-related deaths have been increasing in Iran. The objective of the present study is to evaluate the trends of tramadol-related deaths that occurred between 2005 and 2008 in Tehran, Iran. Biological samples obtained during the autopsy were analyzed. Tramadol was detected in 294 cases by itself or together with other drugs. The majority of the cases were young male adults. Tramadol-related deaths in 2008 were 32.5 times more than in 2005. These results suggest that tramadol-related fatalities are growing in Iran especially among substance abusers.
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Affiliation(s)
- Fariba Sardari Iravani
- Forensic Toxicology Department, Scientific and Educational Research Center of Legal Medicine Organization, Tehran, Iran
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35
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Shadnia S, Soltaninejad K, Heydari K, Sasanian G, Abdollahi M. Tramadol intoxication: a review of 114 cases. Hum Exp Toxicol 2009; 27:201-5. [PMID: 18650251 DOI: 10.1177/0960327108090270] [Citation(s) in RCA: 118] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Tramadol as a centrally acting analgesic is extensively used in the management of moderate to severe pain. It slightly affects opioid receptors and inhibits the reuptake of norepinephrin and serotonin in the CNS. There are reports about toxicity and abuse of tramadol. The objective of the present study was to evaluate epidemiology of intentional tramadol intoxications. All poisoning cases that admitted to Loghman-Hakim Hospital Poison Center from April to May 2007 were studied. A total of 114 cases (82 men and 32 women) of intentional tramadol intoxications with the median age of 23.66 +/- 6.87 years (range 16-54 years) were identified. Other illicit drugs were found to be used in combination with tramadol in some of the cases, which among them benzodiazepines were the most common. Tramadol overdose has been one of the most frequent causes of drug poisoning in the country in the recent years, especially in male young adults with history of substance abuse and mental disorders. Nausea, vomiting, Central Nervous System (CNS) depression, tachycardia, and seizure are the most common findings in this kind of poisoning. Cardiopulmonary arrest was found as the cause of death in cases who had ingested more than 5000 mg tramadol.
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Affiliation(s)
- S Shadnia
- Loghman-Hakim Hospital Poison Center, Faculty of Medicine, Shaheed Beheshti University of Medical Sciences, Tehran, Iran
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36
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De Decker K, Cordonnier J, Jacobs W, Coucke V, Schepens P, Jorens PG. Fatal intoxication due to tramadol alone: case report and review of the literature. Forensic Sci Int 2007; 175:79-82. [PMID: 17875377 DOI: 10.1016/j.forsciint.2007.07.010] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2006] [Revised: 07/09/2007] [Accepted: 07/20/2007] [Indexed: 10/22/2022]
Abstract
Poisoning may also lead to both coma and multiple organ failure, also in youngsters without a known major medical history. As not all toxic agents are routinely screened when a poisoning is suspected, it is useful to consider less frequently encountered poisons in certain cases. We describe the occurrence of asystole and multiple organ failure which occurred in a young man after a suspected tramadol overdose. The tramadol concentration on admission in the ICU was indeed 8 microg/ml (mg/l), far above the therapeutic range. Subsequently, the patient developed severe acute liver failure, finally leading to death. Post-mortem toxicology did not reveal any other poison responsible for this unfavourable course as only very high serum and tissue tramadol and desmethyltramadol concentrations were found. Only a few fatal poisonings attributable to tramadol alone, as observed in our case, have been reported. An overview of these cases is presented.
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Affiliation(s)
- Koen De Decker
- Department of Critical Care Medicine, University Hospital of Antwerp, Edegem, Belgium.
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37
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Abstract
Tramadol is a synthetic analgesic new to the Australasian market where its use is rapidly increasing. It is used extensively overseas, particularly in Europe where it has been popular since its introduction in Germany in the late 1970s. Tramadol has a dual mechanism of action: weak mu opioid receptor agonist and a reuptake inhibitor of serotonin and noradrenaline. Thus, it has distinct advantages and disadvantages compared to other available analgesics. Its use is advocated in a variety of acute and chronic pain states as well as some non-analgesic applications. The use of tramadol in an emergency setting is not well studied, with most published trials assessing its efficacy and tolerability in postoperative or dental models. This literature review concludes that tramadol does not offer any particular benefits over existing analgesics for the majority of emergency pain relief situations.
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Affiliation(s)
- Benjamin R Close
- Emergency Department, The Townsville Hospital, PO Box 670, Townsville, Queensland 4810, Australia.
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38
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KuKanich B, Papich MG. Pharmacokinetics of tramadol and the metabolite O-desmethyltramadol in dogs. J Vet Pharmacol Ther 2004; 27:239-46. [PMID: 15305853 DOI: 10.1111/j.1365-2885.2004.00578.x] [Citation(s) in RCA: 167] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Tramadol is an analgesic and antitussive agent that is metabolized to O-desmethyltramadol (M1), which is also active. Tramadol and M1 exert their mode of action through complex interactions between opiate, adrenergic, and serotonin receptors. The pharmacokinetics of tramadol and M1 were examined following intravenous and oral tramadol administration to six healthy dogs, as well as intravenous M1 to three healthy dogs. The calculated parameters for half-life, volume of distribution, and total body clearance were 0.80 +/- 0.12 h, 3.79 +/- 0.93 L/kg, and 54.63 +/- 8.19 mL/kg/min following 4.4 mg/kg tramadol HCl administered intravenously. The systemic availability was 65 +/- 38% and half-life 1.71 +/- 0.12 h following tramadol 11 mg/kg p.o. M1 had a half-life of 1.69 +/- 0.45 and 2.18 +/- 0.55 h following intravenous and oral administration of tramadol. Following intravenous M1 administration the half-life, volume of distribution, and clearance of M1 were 0.94 +/- 0.09 h, 2.80 +/- 0.15 L/kg, and 34.93 +/- 5.53 mL/kg/min respectively. Simulated oral dosing regimens at 5 mg/kg every 6 h and 2.5 mg/kg every 4 h predict tramadol and M1 plasma concentrations consistent with analgesia in humans; however, studies are needed to establish the safety and efficacy of these doses.
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Affiliation(s)
- B KuKanich
- Department of Molecular Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, 4700 Hillsborough Street, Raleigh, NC 27606, USA.
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