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Sarro A, Esposito R, Zibetti A, Pecere A. Acute pancreatitis caused by methimazole/carbimazole assumption: a case-series. Minerva Endocrinol (Torino) 2023; 48:115-120. [PMID: 34825556 DOI: 10.23736/s2724-6507.21.03605-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The World Health Organization (WHO) has listed 525 different drugs, that can lead to acute pancreatitis cases, as a medication side-effect. Among them, methimazole (MMI also known as thiamazole, the active form of carbimazole [CBZ]) was included. We reported case reports of patients with overall features compatible with acute pancreatitis episodes following and presumably triggered by the exposure to MMI and its prodrug CBZ. A systematic search was performed on MEDLINE (PubMed). We included case reports of patients with overall features compatible with acute pancreatitis episodes following and presumably triggered by the exposure to MMI and its prodrug CBZ Data extraction and analysis were undertaken in duplicate. We identified 7 case reports. Most patients were female, and one patient was male. Mean age at baseline ranged from 18 to 80 years old. The average time, that elapses between the initiation of the therapy with MMI/CBZ and the onset of typical clinical signs and symptoms pathognomonic of acute pancreatitis, was 2-3 weeks. Based on the data derived from these case reports, it could be considered the possibility of a potential association between MMI/CBZ exposure. Evidence is, however, limited and requires more studies of high quality to confirm this association.
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Affiliation(s)
- Andrea Sarro
- Department of Translational Medicine (DIMET), University of Eastern Piedmont, Novara, Italy -
| | | | - Angelica Zibetti
- Institute of Legal Medicine, Magna Graecia University, Catanzaro, Italy
| | - Alessandro Pecere
- Department of Pharmaceutical Science, University of Milan, Milan, Italy
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Yazıcı Ö, Kara M, Boran T, Ozhan G. The Role of Endoplasmic Reticulum Stress in Cell Injury Induced by Methimazole on Pancreatic Cells. Adv Pharm Bull 2023; 13:196-201. [PMID: 36721818 PMCID: PMC9871271 DOI: 10.34172/apb.2023.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 01/04/2022] [Accepted: 01/04/2022] [Indexed: 02/03/2023] Open
Abstract
Purpose: Methimazole is an anti-thyroid agent, especially as main therapy option for Graves' disease in children and adults. Drug induced pancreatitis is one of the known adverse effect of methimazole mentioned in case reports. However, the detailed molecular mechanisms of methimazole-induced pancreatitis are still unclear. In this study, the aim is to investigate the adverse effect of methimazole on pancreas cell stress mechanism and apoptosis. Methods: Cytotoxicity was evaluated in human pancreas/duct (PANC-1) cell line. Total oxidant (TOS) and antioxidant status (TAS) for oxidative stress index, glutathione (GSH) level and endoplasmic reticulum (ER) stress biomarkers were evaluated by ELISA. Reactive oxygen species (ROS) levels and apoptosis were evaluated by flow-cytometer. Results: The 30% inhibition rate concentration (IC30) value was determined as 53 mM in PANC1 cells. The exposure concentrations were in the range of 0-40 mM for 48 hours. Methimazole might induce cellular stress conditions. ROS production increases depending on concentration, and this increase shows parallelism with the increase in ER stress biomarkers such as TOS, ERN1 and CASPASE12. Conversely, there was no significant difference between control and exposure groups in terms of apoptosis. Conclusion: In conclusion, methimazole might have triggered the mechanisms of inflammation or autophagy in the pancreatic cells. However, there is still a need for in vitro and in vivo studies including other cellular parameters related to apoptosis.
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Affiliation(s)
- Özge Yazıcı
- Both authors contributed equally as the first authors
| | - Mehtap Kara
- Both authors contributed equally as the first authors
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Bhagavathula AS, Clark C, Rahmani J. Risk of acute pancreatitis with methimazole use: a systematic review and meta-analysis. DRUGS & THERAPY PERSPECTIVES 2021. [DOI: 10.1007/s40267-021-00860-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Abstract
Background: Thionamides have been extensively used to treat patients with hyperthyroidism worldwide. Recent pharmacovigilance studies have revealed a safety signal between carbimazole or methimazole and pancreatitis. The associated risk remains unclear. Methods: We identified patients with newly diagnosed acute pancreatitis from 2000 to 2013 as the case group from the Taiwan Longitudinal Health Insurance Database 2000, which contains data from 1996 to 2013. Each patient with acute pancreatitis was matched for age, sex, comorbidities, and cancer with four controls through propensity score matching. A total of 52 patients without matched controls were excluded. Sensitivity analyses including the 52 excluded patients were performed using a matching ratio of 1:2. Odds ratios (ORs) along with 95% confidence intervals (CIs) for the association were estimated using multivariate logistic regression. Results: We included 9204 and 36,816 patients in the case and control groups, respectively. The proportions of patients who had used thionamides, carbimazole, methimazole, and propylthiouracil were similar in these two groups. In addition, the adjusted OR (CI) for the association of acute pancreatitis with thionamides was 1.03 (0.86-1.24), with carbimazole it was 0.90 (0.63-1.30), with methimazole it was 1.05 (0.84-1.31), and with propylthiouracil it was 1.00 (0.74-1.34). The sensitivity analysis results were unchanged. Conclusions: We were unable to demonstrate an association between acute pancreatitis and usage of thionamides.
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Affiliation(s)
- Jia-Yin Guo
- Department of Medicine, China Medical University, Taichung, Taiwan
- Division of Endocrinology and Metabolism, Department of Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Chia-Ling Chang
- Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan
- School of Medicine, China Medical University, Taichung, Taiwan
| | - Ching-Chu Chen
- Division of Endocrinology and Metabolism, Department of Medicine, China Medical University Hospital, Taichung, Taiwan
- Department of Medicine, School of Chinese Medicine, China Medical University, Taichung, Taiwan
- Address correspondence to: Ching-Chu Chen, MD, Division of Endocrinology and Metabolism, Department of Medicine, China Medical University Hospital, 2, Yude Road, Taichung 40447, Taiwan
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Francis T, Francis N, Lazarus JH, Okosieme OE. Safety of antithyroid drugs in pregnancy: update and therapy implications. Expert Opin Drug Saf 2020; 19:565-576. [PMID: 32223355 DOI: 10.1080/14740338.2020.1748007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Introduction: The thionamide antithyroid drugs, methimazole (MMI), its pro-drug derivative carbimazole (CMZ), and propylthiouracil (PTU) are the mainstay of treatment for hyperthyroidism in pregnancy. However, antithyroid drugs carry risks of adverse effects that can affect fetal and maternal well-being.Areas covered: This review provides an update on the safety of antithyroid drugs in pregnancy, focusing on the most serious concerns of severe liver disease and congenital anomalies.Expert opinion: PTU-induced liver disease is uncommon but can run a catastrophic course in pregnancy with a risk of liver failure and threats to maternal or fetal survival. Acute pancreatitis is a relatively rare occurrence that has been linked to thionamide use in a handful of reports in non-pregnant individuals. Observational studies on the risk of birth defects with antithyroid drug exposure in pregnancy overall show an increase in birth defect risk with exposure to CMZ/MMI, and to a lesser extent, PTU. Further studies are required to determine whether the currently recommended approach of switching between thionamide drugs in pregnancy improves outcomes. Ultimately, a preventative strategy of offering definitive therapy to hyperthyroid women of childbearing potential offers the best approach to truly reduce the risks of antithyroid drug adverse effects in pregnancy.
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Affiliation(s)
- Thanuya Francis
- Endocrinology and Diabetes Department, Prince Charles Hospital, Cwm Taf University Health Board, Merthyr Tydfil, UK
| | - Niroshan Francis
- Endocrinology and Diabetes Department, Prince Charles Hospital, Cwm Taf University Health Board, Merthyr Tydfil, UK
| | - John H Lazarus
- Thyroid Research Group, School of Medicine, Cardiff University, Cardiff, UK
| | - Onyebuchi E Okosieme
- Endocrinology and Diabetes Department, Prince Charles Hospital, Cwm Taf University Health Board, Merthyr Tydfil, UK.,Thyroid Research Group, School of Medicine, Cardiff University, Cardiff, UK
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Tonacchera M, Chiovato L, Bartalena L, Cavaliere AF, Vitti P. Treatment of Graves' hyperthyroidism with thionamides: a position paper on indications and safety in pregnancy. J Endocrinol Invest 2020; 43:257-265. [PMID: 31784912 DOI: 10.1007/s40618-019-01148-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 11/17/2019] [Indexed: 01/01/2023]
Abstract
CONTEXT Graves' disease affects 3% of women and 0.5% of men in the general population. The first line treatment of Graves' hyperthyroidism is based on the administration of antithyroid drugs (ATD), propylthiouracil (PTU), methimazole (MMI) and carbimazole. A recent warning from the Italian Drug Agency (Agenzia Italiana del Farmaco AIFA) reported the risk of MMI-induced acute pancreatitis. In addition, AIFA highlighted the possible association of MMI treatment during the first trimester of pregnancy with congenital malformations, thus recommending the use of effective contraceptive methods in women of childbearing age treated with MMI. METHODS AND RESULTS Revision of literature reported less than ten cases of the alleged MMI pancreatitis, allowing the inclusion of MMI in class III drug regarding the relative risk for drug-induced pancreatitis. Data available on the effect of hyperthyroidism per se on the risk of fetal malformations, although scanty, are sufficient to recommend treatment with ATD of the hyperthyroid pregnant woman. Case reports and population studies either suggesting or not suggesting MMI-induced fetal malformations do not allow unquestionable conclusions on this matter. CONCLUSIONS This consensus by experts from Italian Endocrine and Gynecologic Scientific Societies has edited recommendations derived form the available data and published guidelines of International Scientific Societies.
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Affiliation(s)
- M Tonacchera
- Department of Clinical and Experimental Medicine, Endocrinology Unit, University of Pisa, For Associazione Italiana della Tiroide (AIT), Via Paradisa 2, 56124, Pisa, Cisanello, Italy.
| | - L Chiovato
- Istituti Clinici Scientifici Maugeri IRCCS and Department of Internal Medicine and Therapeutics, University of Pavia for Associazione Italiana della Tiroide (AIT), Pavia, Italy
| | - L Bartalena
- Department of Medicine and Surgery, University of Insubria, Varese for Associazione Italiana della Tiroide (AIT), Varese, Italy
| | - A F Cavaliere
- Fondazione Policlinico Universitario A. Gemelli, IRCCS Roma for Società Italiana di Ginecologia e Ostetricia (SIGO), Rome, Italy
| | - P Vitti
- Department of Clinical and Experimental Medicine, Endocrinology Unit, University of Pisa, For Società Italiana Endocrinologia (SIE), Pisa, Italy
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Methimazole-induced acute pancreatitis: a case report. Clin J Gastroenterol 2018; 12:239-242. [DOI: 10.1007/s12328-018-0926-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 11/14/2018] [Indexed: 01/04/2023]
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Lai SW, Lin CL, Liao KF. Use of methimazole and risk of acute pancreatitis: A case-control study in Taiwan. Indian J Pharmacol 2017; 48:192-5. [PMID: 27127323 PMCID: PMC4825438 DOI: 10.4103/0253-7613.178841] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objective: Some cases of acute pancreatitis have been reported to be associated with use of methimazole. The aim of this study was to investigate the relationship between use of methimazole and risk of acute pancreatitis on the basis of a systematic analysis. Methods: This was a population-based case–control study analyzing the database of the Taiwan National Health Insurance Program. There were 5764 individuals aged 20–84 years with a first attack of acute pancreatitis from 1998 to 2011 as the cases and 23,056 randomly selected sex- and age-matched individuals without acute pancreatitis as the controls. Use of methimazole was categorized as “never use” and “ever use.” We estimated the relative risk of acute pancreatitis associated with the use of methimazole by calculating the odds ratio (OR) with 95% confidence interval (CI) using a multivariable logistic regression model. Results: After adjustment for confounding factors, the OR of acute pancreatitis was 0.91 in individuals with ever use of methimazole, when compared with individuals with never use of methimazole (95% CI, 0.60–1.38). Unlike methimazole use, alcohol-related disease, biliary stone, cardiovascular disease, chronic obstructive pulmonary disease, diabetes mellitus, hepatitis B, hepatitis C, and hypertriglyceridemia were factors significantly associated with acute pancreatitis. Conclusions: Our study does not detect a substantial association between the use of methimazole and risk of acute pancreatitis on the basis of systematic analysis. There appears to be a discrepancy between case reports and our systematic analysis about the association between the use of methimazole and risk of acute pancreatitis.
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Affiliation(s)
- Shih-Wei Lai
- School of Medicine, College of Medicine, China Medical University, Taichung, Hualien, Taiwan, China; Department of Family Medicine, China Medical University Hospital, Shenyang, China
| | - Cheng-Li Lin
- School of Medicine, College of Medicine, China Medical University, Taichung, Hualien, Taiwan, China; Department of Management Office for Health Data, China Medical University Hospital, Shenyang, China
| | - Kuan-Fu Liao
- School of Medicine, College of Medicine, Tzu Chi University, Hualien, Taiwan, China; Department of Internal Medicine, Taichung Tzu Chi General Hospital, Taichung, Hualien, Taiwan, China; School of Chinese Medicine, Graduate Institute of Integrated Medicine, China Medical University, Taichung, Hualien, Taiwan, China
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