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Fu T, Yao B, Guo Y, Zhang Y, Huang S, Wang X. Establishment of LC-MS/MS method for quantifying chlorpromazine metabolites with application to its metabolism in liver and placenta microsomes. J Pharm Biomed Anal 2023; 233:115457. [PMID: 37201234 DOI: 10.1016/j.jpba.2023.115457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 05/07/2023] [Accepted: 05/14/2023] [Indexed: 05/20/2023]
Abstract
Chlorpromazine has sedative and antiemetic pharmacological effects and is widely used in clinic. Its main metabolites include 7-hydroxychlorpromazine, N-monodesmethylchlorpromazine and chlorpromazine sulfoxide, which affect the therapeutic efficacy. To support metabolism research, the quantitative analysis method of 7-hydroxychlorpromazine, N-monodesmethylchlorpromazine and chlorpromazine sulfoxide in microsomal enzymes was established for the first time by LC-MS/MS. This method has been fully validated in rat liver microsomes, and partially verified in human liver microsomes and human placenta microsomes. The intra-day and inter-day accuracy and precision of the analytes were all within ± 15%. The extraction recovery was good, and no matrix effect was detected. This accurate and sensitive method was successfully applied to chlorpromazine metabolism in different microsomal enzymes. In particular, the biotransformation of chlorpromazine in human placenta microsomes was detected for the first time. The metabolites detected in human liver and placenta microsomes presented different formation rates, indicating the wide distribution and different activities of drug-metabolizing enzymes.
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Affiliation(s)
- Tiantian Fu
- Changning Maternity and Infant Health Hospital and School of Life Sciences, Shanghai Key Laboratory of Regulatory Biology, East China Normal University, Shanghai, China
| | - Bingyi Yao
- Changning Maternity and Infant Health Hospital and School of Life Sciences, Shanghai Key Laboratory of Regulatory Biology, East China Normal University, Shanghai, China
| | - Yuanqing Guo
- Changning Maternity and Infant Health Hospital and School of Life Sciences, Shanghai Key Laboratory of Regulatory Biology, East China Normal University, Shanghai, China
| | - Yuanjin Zhang
- Changning Maternity and Infant Health Hospital and School of Life Sciences, Shanghai Key Laboratory of Regulatory Biology, East China Normal University, Shanghai, China
| | - Shengbo Huang
- Changning Maternity and Infant Health Hospital and School of Life Sciences, Shanghai Key Laboratory of Regulatory Biology, East China Normal University, Shanghai, China
| | - Xin Wang
- Changning Maternity and Infant Health Hospital and School of Life Sciences, Shanghai Key Laboratory of Regulatory Biology, East China Normal University, Shanghai, China.
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Rault O, Romeo B, Butlen-Ducuing F, Rari E, Benyamina A, Martelli C. Impact of cannabis use and its cessation on the dosage and the efficacy of antipsychotic drugs in in- and outpatients with schizophrenia taking medication: A systematic review and meta-analysis. J Psychiatr Res 2022; 156:713-721. [PMID: 36410310 DOI: 10.1016/j.jpsychires.2022.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 11/07/2022] [Accepted: 11/12/2022] [Indexed: 11/16/2022]
Abstract
Compared with the general population, there are more cannabis users among patients suffering from schizophrenia and this consumption seems to impact the course and the treatment of their pathology. The aim of this meta-analysis and systematic review was to assess the impact of cannabis use on the efficacy of treatments, more particularly regarding the antipsychotic dosage, symptoms evolution, therapeutic resistance and the risk of relapse in patients with schizophrenia taking medication. We performed a systematic search of keywords on multiple databases up to August 2020 to identify all studies meeting the following criteria: comparison between cannabis smokers and non-cannabis users in patients with schizophrenia, assessment of antipsychotics doses, information about their efficacy or resistance to treatment and control of the compliance. Standardized mean differences were calculated for antipsychotic dosage and symptoms evolution at discharge, and a systematic review was performed for other outcomes. Twelve studies were included. Cannabis use did not seem to be associated with higher doses of antipsychotics at seven days and at the end of the studies, nor with poorer symptoms evolution, and nor with higher rate of antipsychotic resistance. However, cannabis use seems to be associated with a higher risk of relapse. This meta-analysis provides evidence that previous cannabis use, or occasional use, in patients with schizophrenia taking medication does not impact antipsychotic efficacy as described by antipsychotic dosage or PANSS score.
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Affiliation(s)
- Ophélie Rault
- APHP, Paul Brousse Hospital, Department of Psychiatry and Addictology, F-94800, Villejuif, France; Unité Psychiatrie-Comorbidités-Addictions-Unité de Recherche PSYCOMADD 4872, Université Paris Sud - AP-HP, Université Paris Saclay, France.
| | - Bruno Romeo
- APHP, Paul Brousse Hospital, Department of Psychiatry and Addictology, F-94800, Villejuif, France; Unité Psychiatrie-Comorbidités-Addictions-Unité de Recherche PSYCOMADD 4872, Université Paris Sud - AP-HP, Université Paris Saclay, France
| | - Florence Butlen-Ducuing
- Office of Therapies for Neurological and Psychiatric Disorders, European Medicines Agency, Amsterdam, the Netherlands
| | - Eirini Rari
- APHP, Paul Brousse Hospital, Department of Psychiatry and Addictology, F-94800, Villejuif, France; Unité Psychiatrie-Comorbidités-Addictions-Unité de Recherche PSYCOMADD 4872, Université Paris Sud - AP-HP, Université Paris Saclay, France
| | - Amine Benyamina
- APHP, Paul Brousse Hospital, Department of Psychiatry and Addictology, F-94800, Villejuif, France; Unité Psychiatrie-Comorbidités-Addictions-Unité de Recherche PSYCOMADD 4872, Université Paris Sud - AP-HP, Université Paris Saclay, France
| | - Catherine Martelli
- APHP, Paul Brousse Hospital, Department of Psychiatry and Addictology, F-94800, Villejuif, France; Unité Psychiatrie-Comorbidités-Addictions-Unité de Recherche PSYCOMADD 4872, Université Paris Sud - AP-HP, Université Paris Saclay, France; INSERM U A1299 "Trajectoires développementales en Psychiatrie", Université Paris-Saclay, Ecole Normale Supérieure Paris-Saclay, CNRS 9010, Centre Borelli, Digiteo-Labs, Bâtiment 660 Claude Shannon, Avenue des Sciences, 91190, Gif-sur-Yvette, France
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Lopera V, Rodríguez A, Amariles P. Clinical Relevance of Drug Interactions with Cannabis: A Systematic Review. J Clin Med 2022; 11:jcm11051154. [PMID: 35268245 PMCID: PMC8911401 DOI: 10.3390/jcm11051154] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/14/2021] [Accepted: 12/21/2021] [Indexed: 12/29/2022] Open
Abstract
Concomitant use of cannabis with other drugs may lead to cannabis–drug interactions, mainly due to the pharmacokinetic mechanism involving the family of CYP450 isoenzymes. This narrative systematic review aimed to systematize the available information regarding clinical relevance of cannabis–drug interactions. We utilized the PubMed/Medline database for this systematic review, using the terms drug interactions and cannabis, between June 2011 and June 2021. Articles with cannabis–drug interactions in humans, in English or Spanish, with full-text access were selected. Two researchers evaluated the article’s inclusion. The level of clinical relevance was determined according to the severity and probability of the interaction. Ninety-five articles were identified and twenty-six were included. Overall, 19 pairs of drug interactions with medicinal or recreational cannabis were identified in humans. According to severity and probability, 1, 2, 12, and 4 pairs of cannabis–drug interactions were classified at levels 1 (very high risk), 2 (high risk), 3 (medium risk), and 5 (without risk), respectively. Cannabis–warfarin was classified at level 1, and cannabis–buprenorphine and tacrolimus at level 2. This review provides evidence for both the low probability of the occurrence of clinically relevant drug interactions and the lack of evidence regarding cannabis–drug interactions.
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Zhelyazkova M, Kirilov B, Momekov G. The pharmacological basis for application of cannabidiol in cancer chemotherapy. PHARMACIA 2020. [DOI: 10.3897/pharmacia.67.e51304] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Chemotherapy is one of the therapeutic approaches for cancer treatment and has demonstrated great success with the introduction of selectively acting molecules against specific biomarkers of some types of tumors. Despite this success there is a large unmet need for novel therapies that provide effective control on the progression of advanced or drug-resistant cancer diseases. In this review, we briefly summarized our knowledge of cannabinoids and the endocannabinoid system, as possible agents for cancer therapy. We analyzed the anticancer properties and mechanism of action of cannabidiol (CBD), the main non-psychoactive cannabinoid received from hemp of Cannabis plant. Despite of data for pleiotropic effects of CBD, we here present the results for the efficacy of CBD in the modulation of different stages of cancer development. The analysis of the anticancer properties of CBD is made in relation to the proposed or newly discovered molecular targets of action. Thereafter, we consider the specific effects of CBD on primary tumors, their invasiveness and metastases, whether the influence on identified tumor markers in different types of tumors reflect the therapeutic potential of CBD. The studies reviewed herein indicate that CBD elicit activity through the cannabinoid receptor dependent and independent pathways. The processes such as ceramide production, ER-stress, autophagy and apoptosis, angiogenesis and matrix remodeling also appear to regulate the anticancer activity of CBD. So, the pharmacological basis for therapeutic application of CBD is constructed on the scientific data for its antitumor activity, extensively provided studies in vitro and in vivo in animal tumor models, and available data on the safety profile of clinically approved CBD products. We also try to reduce the deficits of our understanding in relation of pharmacological synergistic interactions of CBD with cytostatic drugs, where data remains limited. It is recognized that more studies for defining the specific molecular and signaling mechanisms of anticancer action of cannabinoids, particularly CBD, requires further evaluation. We believe that the therapeutic advantages of CBD are associated not only with its non-psychoactive behavior, but also are related to its influence on the important biochemical pathways and signal molecules, defining the genome instability and specific changes of the malignant tumor cells.
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Sayyed K, Aljebeai AK, Al-Nachar M, Chamieh H, Taha S, Abdel-Razzak Z. Interaction of cigarette smoke condensate and some of its components with chlorpromazine toxicity on Saccharomyces cerevisiae. Drug Chem Toxicol 2019; 45:77-87. [PMID: 31514548 DOI: 10.1080/01480545.2019.1659809] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Chlorpromazine (CPZ) is an antipsychotic phenothiazine which is still commonly prescribed though it causes idiosyncratic toxicity such as cholestasis. CPZ toxicity mechanisms involve oxidative stress among others. Cigarette smoke (CS) causes deleterious effects through diverse mechanisms such as oxidative stress. CS alters drug metabolizing enzymes expression and drug transporters expression and activity in animal cell models as well as in Saccharomyces cerevisiae. CS therefore alters pharmacokinetic and pharmacodynamics of many drugs including CPZ and caffeine whose toxicity is promoted by CS condensate (CSC). CSC interaction with CPZ toxicity deserves investigation. In this study, CSC exerted mild toxicity on Saccharomyces cerevisiae which resisted to this chemical stress after several hours. CPZ toxicity on yeast was dose-dependent and the cells resisted to CPZ up to 40 µM after 24 h of treatment. Yeast cells treated simultaneously with CPZ and a nontoxic CSC dose were less sensitive to CPZ. CSC probably triggers cross-resistance to CPZ. Using Sod1 mutant strain, we showed that this gene is potentially involved in the potential cross-resistance. Other genes encoding stress-related transcription factors could be involved in this process. Nicotine and cadmium chloride, which caused a dose-dependent toxicity individually, acted with CPZ in an additive or synergistic manner in terms of toxicity. Although our results cannot be extrapolated to humans, they clearly show that CSC and its components interact with CPZ toxicity.
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Affiliation(s)
- Katia Sayyed
- EDST-AZM-center-LBA3B - Tripoli and Faculty of Sciences, Lebanese University , Beirut , Lebanon
| | - Abdel-Karim Aljebeai
- EDST-AZM-center-LBA3B - Tripoli and Faculty of Sciences, Lebanese University , Beirut , Lebanon
| | - Mariam Al-Nachar
- EDST-AZM-center-LBA3B - Tripoli and Faculty of Sciences, Lebanese University , Beirut , Lebanon
| | - Hala Chamieh
- EDST-AZM-center-LBA3B - Tripoli and Faculty of Sciences, Lebanese University , Beirut , Lebanon
| | - Samir Taha
- EDST-AZM-center-LBA3B - Tripoli and Faculty of Sciences, Lebanese University , Beirut , Lebanon
| | - Ziad Abdel-Razzak
- EDST-AZM-center-LBA3B - Tripoli and Faculty of Sciences, Lebanese University , Beirut , Lebanon
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Maideen NMP. Tobacco smoking and its drug interactions with comedications involving CYP and UGT enzymes and nicotine. World J Pharmacol 2019; 8:14-25. [DOI: 10.5497/wjp.v8.i2.14] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 01/20/2019] [Accepted: 01/28/2019] [Indexed: 02/06/2023] Open
Abstract
Tobacco smoking is a global public health threat causing several illnesses including cardiovascular disease (Myocardial infarction), cerebrovascular disease (Stroke), peripheral vascular disease (Claudication), chronic obstructive pulmonary disease, asthma, reduced female infertility, sexual dysfunction in men, different types of cancer and many other diseases. It has been estimated in 2015 that approximately 1.3 billion people smoke, around the globe. Use of medications among smokers is more common, nowadays. This review is aimed to identify the medications affected by smoking, involving Cytochrome P450 (CYP) and uridine diphosphate-glucuronosyltransferases (UGTs) enzymes and Nicotine. Polycyclic aromatic hydrocarbons (PAHs) of tobacco smoke have been associated with the induction of CYP enzymes such as CYP1A1, CYP1A2 and possibly CYP2E1 and UGT enzymes. The drugs metabolized by CYP1A1, CYP1A2, CYP2E1 and UGT enzymes might be affected by tobacco smoking and the smokers taking medications metabolized by those enzymes, may need higher doses due to decreased plasma concentrations through enhanced induction by PAHs of tobacco smoke. The prescribers and the pharmacists are required to be aware of medications affected by tobacco smoking to prevent the toxicity-associated complications during smoking cessation.
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Be aware that the use of tobacco, cannabinoids and smoking cessation may result in pharmacokinetic interactions with other drugs. DRUGS & THERAPY PERSPECTIVES 2017. [DOI: 10.1007/s40267-017-0410-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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8
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Evaluation of transcriptomic signature as a valuable tool to study drug-induced cholestasis in primary human hepatocytes. Arch Toxicol 2017; 91:2879-2893. [DOI: 10.1007/s00204-017-1930-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 01/11/2017] [Indexed: 12/22/2022]
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Anderson GD, Chan LN. Pharmacokinetic Drug Interactions with Tobacco, Cannabinoids and Smoking Cessation Products. Clin Pharmacokinet 2016; 55:1353-1368. [PMID: 27106177 DOI: 10.1007/s40262-016-0400-9] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Tobacco smoke contains a large number of compounds in the form of metals, volatile gases and insoluble particles, as well as nicotine, a highly addictive alkaloid. Marijuana is the most widely used illicit drug of abuse in the world, with a significant increase in the USA due to the increasing number of states that allow medical and recreational use. Of the over 70 phytocannabinoids in marijuana, Δ9-tetrahydrocannabinol (Δ9THC), cannabidiol (CBD) and cannibinol are the three main constituents. Both marijuana and tobacco smoking induce cytochrome P450 (CYP) 1A2 through activation of the aromatic hydrocarbon receptor, and the induction effect between the two products is additive. Smoking cessation is associated with rapid downregulation of CYP1A enzymes. On the basis of the estimated half-life of CYP1A2, dose reduction of CYP1A drugs may be necessary as early as the first few days after smoking cessation to prevent toxicity, especially for drugs with a narrow therapeutic index. Nicotine is a substrate of CYP2A6, which is induced by oestrogen, resulting in lower concentrations of nicotine in females than in males, especially in females taking oral contraceptives. The significant effects of CYP3A4 inducers and inhibitors on the pharmacokinetics of Δ9THC/CBD oromucosal spray suggest that CYP3A4 is the primary enzyme responsible for the metabolism of Δ9THC and CBD. Limited data also suggest that CBD may significantly inhibit CYP2C19. With the increasing use of marijuana and cannabis products, clinical studies are needed in order to determine the effects of other drugs on pharmacokinetics and pharmacodynamics.
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Affiliation(s)
- Gail D Anderson
- Department of Pharmacy, Box 357630, University of Washington, Seattle, WA, 98195, USA.
| | - Lingtak-Neander Chan
- Department of Pharmacy, Box 357630, University of Washington, Seattle, WA, 98195, USA
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10
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Theoretical elucidation of the metabolic mechanisms of phenothiazine neuroleptic chlorpromazine catalyzed by cytochrome P450 isoenzyme 1A2. Theor Chem Acc 2016. [DOI: 10.1007/s00214-016-1943-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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11
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Kim SW, Dodd S, Berk L, Kulkarni J, de Castella A, Fitzgerald PB, Kim JM, Yoon JS, Berk M. Impact of Cannabis Use on Long-Term Remission in Bipolar I and Schizoaffective Disorder. Psychiatry Investig 2015; 12. [PMID: 26207128 PMCID: PMC4504917 DOI: 10.4306/pi.2015.12.3.349] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE To investigate the impact of regular cannabis use on long-term remission of mood symptoms in bipolar spectrum disorders. METHODS The 24-month prospective observational study included patients (n=239) with bipolar I disorder and schizoaffective disorder, bipolar type. Participants were classified as regular cannabis users (three times or more per week) or non-users. The primary outcome measure was the achievement of remission on the evaluations during the 24 months. RESULTS Of the 234 participants for whom data was available, 25 (10.7%) were regular cannabis users, and the group comprised significantly more males than females. In the total population, cannabis use was significantly associated with decreased likelihood of remission during the 24-month follow-up period. Subgroup analyses showed that cannabis use was significantly associated with lower remission rates on the Hamilton Depression Rating Scale in females (n=139) and patients prescribed mood stabilizers alone (n=151), whereas in males (n=95) and patients prescribed olanzapine and/or a mood stabilizer (n=83), cannabis use was significantly associated with lower remission rates on the Young Mania Rating Scale. Remission rates were lowest in the concurrent cannabis and tobacco smoking group (n=22) followed by the tobacco smoking only group (n=97), and the non-smoker group (n=116). The post-hoc analysis revealed that all remission rates were significantly lower in the concurrent cannabis and the tobacco smoking group compared to the non-smoker group. CONCLUSION Cannabis use negatively affects the long-term clinical outcome in patients with bipolar spectrum disorders. A comprehensive assessment and integrated management of cannabis use are required to achieve better treatment outcomes for bipolar spectrum disorders.
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Affiliation(s)
- Sung-Wan Kim
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Seetal Dodd
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Geelong, Australia
- Department of Psychiatry, University of Melbourne, Melbourne, Australia
| | - Lesley Berk
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Geelong, Australia
- Department of Psychiatry, University of Melbourne, Melbourne, Australia
- Centre for Mental Health and Wellbeing Research, School of Psychology, Faculty of Health Deakin University, Geelong, Australia
| | - Jayashri Kulkarni
- Monash Alfred Psychiatry Research Centre, The Alfred Hospital and Monash University, Melbourne, Australia
| | - Anthony de Castella
- Monash Alfred Psychiatry Research Centre, The Alfred Hospital and Monash University, Melbourne, Australia
| | - Paul B. Fitzgerald
- Monash Alfred Psychiatry Research Centre, The Alfred Hospital and Monash University, Melbourne, Australia
| | - Jae-Min Kim
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Jin-Sang Yoon
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Michael Berk
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Geelong, Australia
- Department of Psychiatry, University of Melbourne, Melbourne, Australia
- Orygen Youth Health Research Centre, Melbourne, Australia
- Florey Institute for Neuroscience and Mental Health, Melbourne, Australia
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Stout SM, Cimino NM. Exogenous cannabinoids as substrates, inhibitors, and inducers of human drug metabolizing enzymes: a systematic review. Drug Metab Rev 2013; 46:86-95. [DOI: 10.3109/03602532.2013.849268] [Citation(s) in RCA: 221] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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13
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Parmentier C, Truisi GL, Moenks K, Stanzel S, Lukas A, Kopp-Schneider A, Alexandre E, Hewitt PG, Mueller SO, Richert L. Transcriptomic hepatotoxicity signature of chlorpromazine after short- and long-term exposure in primary human sandwich cultures. Drug Metab Dispos 2013; 41:1835-42. [PMID: 23913027 DOI: 10.1124/dmd.113.052415] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Drug-induced liver injury is the most frequent reason for market withdrawal of approved drugs, and is difficult to predict in animal models. Here, we analyzed transcriptomic data derived from short- and long-term cultured primary human hepatocytes (PHH) exposed to the well known human hepatotoxin chlorpromazine (CPZ). Samples were collected from five PHH cultures after short-term (1 and 3 days) and long-term (14 days) repeat daily treatment with 0.1 or 0.2 µM CPZ, corresponding to C(max). Two PHH cultures were additionally treated with 1 µM CPZ, and the three others with 0.02 µM CPZ. Differences in the total number of gene changes were seen between donors and throughout treatment. Specific transcriptomic hepatotoxicity signatures were created for CPZ and consisted of inflammation/hepatitis, cholestasis, and liver proliferation in all five donors, as well as fibrosis and steatosis, which were observed in four of five donors. Necrosis was present in three of five donors, and an indicative signature of cirrhosis was observed after long-term 14-day repeat treatment, also in three of five donors. The inter-donor variability in the inflammatory response to CPZ treatment was associated with variability in the strength of the response of the transcriptomic hepatotoxicity signatures, suggesting that features of inflammation could be related to the idiosyncratic hepatotoxic effects of CPZ in humans.
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Affiliation(s)
- Céline Parmentier
- KaLy-Cell, Plobsheim, France (C.P., E.A., L.R.); Non-Clinical Safety, Merck Serono, Merck KGaA, Darmstadt, Germany (G.L.T., P.G.H., S.O.M.); Emergentec Biodevelopment GmbH, Vienna, Austria (K.M., A.L.); Department of Biostatistics, German Cancer Research Center, Heidelberg, Germany (S.S., A.K.-S.); Institut für Angewandte Biowissenschaften, Karlsruhe Institute of Technology, Karlsruhe, Germany (G.L.T., S.O.M.); and Laboratoire de Toxicologie Cellulaire, EA4267 Université de Franche-Comté, Besançon, France (L.R.)
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Zhou H. Population-Based Assessments of Clinical Drug-Drug Interactions: Qualitative Indices or Quantitative Measures? J Clin Pharmacol 2013; 46:1268-89. [PMID: 17050792 DOI: 10.1177/0091270006294278] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Population-based assessments of drug-drug interactions have become more common since the introduction and acceptance of the population pharmacokinetic approach. Unlike traditional methods, population-based studies provide clinically relevant results that can be applied directly to a target patient population. Furthermore, population-based studies do not demand the traditional requirements of intensive pharmacokinetic sampling, rigorous inpatient stays, or stringent assessment schedules. As such, the population-based approach can effectively be used to confirm known drug-drug interactions and further characterize anticipated interactions. A prospectively designed analysis can also reveal drug-drug interactions that might otherwise have gone undetected with traditional methods. Ultimately, these results could help to alleviate clinicians' concerns about using widely marketed drugs in combination therapies and also reduce patients' risk of experiencing unacceptable side effects. This article intends to provide a balanced overview of the population-based approach and its merits, drawbacks, and potential utility in the assessment of drug-drug interactions during clinical drug development.
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Affiliation(s)
- Honghui Zhou
- Pharmacokinetics, Modeling & Simulation, Clinical Pharmacology & Experimental Medicine, Centocor Research & Development, Malvern, PA 19087, USA
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15
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Frauger E, Vigneau C, Orléans V, Thirion X, Jolliet P, Micallef J, le Réseau des CEIP. La consommation de cannabis chez les sujets présentant un abus, une pharmacodépendance ou sous traitement de substitution de la dépendance aux opiacés : données OPPIDUM 2006 et principales tendances depuis 2004 du réseau des Centres d’Évaluation et d’Information sur la Pharmacodépendance (CEIP). Therapie 2008; 63:119-27. [DOI: 10.2515/therapie:2008037] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2008] [Accepted: 04/30/2008] [Indexed: 11/20/2022]
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16
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Tang YL, Mao P, Li FM, Li W, Chen Q, Jiang F, Cai ZJ, Mitchell PB. Gender, age, smoking behaviour and plasma clozapine concentrations in 193 Chinese inpatients with schizophrenia. Br J Clin Pharmacol 2007; 64:49-56. [PMID: 17298477 PMCID: PMC2000616 DOI: 10.1111/j.1365-2125.2007.02852.x] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2006] [Accepted: 11/11/2006] [Indexed: 11/28/2022] Open
Abstract
AIM To study the relationship between age, gender, cigarette smoking and plasma concentrations of clozapine (CLZ) and its metabolite, norclozapine (NCLZ) in Chinese patients with schizophrenia. METHODS Data from a therapeutic drug monitoring programme were analysed retrospectively. One hundred and ninety-three Chinese inpatients with schizophrenia were assessed using clinical data forms. Steady-state plasma concentrations of CLZ and NCLZ were assayed using high-performance liquid chromatography. Comparisons of dosage and plasma CLZ concentrations were undertaken between males (n = 116) and females (n = 77), younger (40 years, n = 111) and current male smokers (n = 50) and nonsmokers (n = 66). RESULTS (i) Plasma CLZ concentrations demonstrated large interindividual variability, up to eightfold at a given dose; (ii) there were significant effects of gender on plasma CLZ concentrations (relative to dose per kg of body weight) with female patients having significantly higher concentrations than males (30.09 +/- 24.86 vs. 19.87 +/- 3.55 ng ml(-1) mg(-1) day(-1) kg(-1); P < 0.001); (iii) there were no significant differences in plasma CLZ concentrations between those patients 40 years; and (iv) there were no significant differences in plasma CLZ concentrations between male smokers and nonsmokers, despite the CLZ dosage for smokers being significantly higher. CONCLUSIONS Plasma CLZ concentrations vary up to eightfold in Chinese patients. Among the patient-related factors investigated, only gender was significant in affecting CLZ concentrations in Chinese patients with schizophrenia, with female patients having higher levels.
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Affiliation(s)
- Yi-lang Tang
- Beijing Anding Hospital, Capital University of Medical Sciences, Beijing, China.
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17
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Edmonds N, Bremner J. Improving access to stop smoking support for people with mental health problems. JOURNAL OF PUBLIC MENTAL HEALTH 2007. [DOI: 10.1108/17465729200700003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Sandson NB, Armstrong SC, Cozza KL. An overview of psychotropic drug-drug interactions. PSYCHOSOMATICS 2005; 46:464-94. [PMID: 16145193 DOI: 10.1176/appi.psy.46.5.464] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The psychotropic drug-drug interactions most likely to be relevant to psychiatrists' practices are examined. The metabolism and the enzymatic and P-glycoprotein inhibition/induction profiles of all antidepressants, antipsychotics, and mood stabilizers are described; all clinically meaningful drug-drug interactions between agents in these psychotropic classes, as well as with frequently encountered nonpsychotropic agents, are detailed; and information on the pharmacokinetic/pharmacodynamic results, mechanisms, and clinical consequences of these interactions is presented. Although the range of drug-drug interactions involving psychotropic agents is large, it is a finite and manageable subset of the much larger domain of all possible drug-drug interactions. Sophisticated computer programs will ultimately provide the best means of avoiding drug-drug interactions. Until these programs are developed, the best defense against drug-drug interactions is awareness and focused attention to this issue.
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Affiliation(s)
- Neil B Sandson
- Division of Education and Residency Training, Sheppard Pratt Health System, Towson, MD, USA
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Elvin-Lewis M. Safety issues associated with herbal ingredients. ADVANCES IN FOOD AND NUTRITION RESEARCH 2005; 50:219-313. [PMID: 16263432 DOI: 10.1016/s1043-4526(05)50007-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Affiliation(s)
- Memory Elvin-Lewis
- Department of Biology, Washington University, St. Louis, Missouri 63130, USA
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Sorbara F, Liraud F, Assens F, Abalan F, Verdoux H. Substance use and the course of early psychosis: a 2-year follow-up of first-admitted subjects. Eur Psychiatry 2003; 18:133-6. [PMID: 12763300 DOI: 10.1016/s0924-9338(03)00027-0] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVE To examine the impact of alcohol and substance use on the early course of psychosis. METHODS First-admitted subjects with psychosis (n = 58) were assessed at 6-month intervals over a 2-year follow-up. Information on substance and alcohol misuse and clinical and social outcome was collected using multiple sources of information. RESULTS After adjustment for potential confounding factors, subjects with persistent substance misuse over the follow-up were at increased risk of readmission (OR = 3.1; 95%CI = 1.0-9.4; P = 0.05), of presenting with psychotic symptoms (OR = 4.3; 95%CI = 1.0-18.1; P = 0.04), and with a non-continuous course of illness (OR = 11; 95%CI = 1-122; P = 0.05). No significant association was found between substance misuse and social outcome, or between alcohol misuse and clinical and social outcome. CONCLUSION Persistent substance misuse after a first admission for psychosis has a deleterious impact on clinical outcome. Early identification and treatment of substance use is essential in the care of subjects with incipient psychosis.
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Affiliation(s)
- F Sorbara
- Department of Psychiatry, University Victor Segalen, Bordeaux 2, France
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Abstract
Many psychiatric patients smoke, and are believed to be heavier smokers than those without psychiatric disorders. Cigarette smoking is one of the environmental factors that contributes to interindividual variations in response to an administered drug. Polycyclic aromatic hydrocarbons (PAHs) present in cigarette smoke induce hepatic aryl hydrocarbon hydroxylases, thereby increasing metabolic clearance of drugs that are substrates for these enzymes. PAHs have been shown to induce 3 hepatic cytochrome P450 (CYP) isozymes, primarily CYP1A1, 1A2 and 2E1. Drug therapy can also be affected pharmacodynamically by nicotine. The most common effect of smoking on drug disposition in humans is an increase in biotransformation rate, consistent with induction of drug-metabolising enzymes. Induction of hepatic enzymes has been shown to increase the metabolism and to decrease the plasma concentrations of imipramine, clomipramine, fluvoxamine and trazodone. The effect of smoking on the plasma concentrations of amitriptyline and nortriptyline is variable. Amfebutamone (bupropion) does not appear to be affected by cigarette smoking. Smoking is associated with increased clearance of tiotixene, fluphenazine, haloperidol and olanzapine. Plasma concentrations of chlorpromazine and clozapine are reduced by cigarette smoking. Clinically, reduced drowsiness in smokers receiving chlorpromazine, and benzodiazepines, compared with nonsmokers has been reported. Increased clearance of the benzodiazepines alprazolam, lorazepam, oxazepam, diazepam and demethyl-diazepam is found in cigarette smokers, whereas chlordiazepoxide does not appear to be affected by smoking. Carbamazepine appears to be minimally affected by cigarette smoke, perhaps because hepatic enzymes are already stimulated by its own autoinductive properties. Cigarette smoking can affect the pharmacokinetic and pharmacodynamic properties of many psychotropic drugs. Clinicians should consider smoking as an important factor in the disposition of these drugs.
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Affiliation(s)
- H D Desai
- Department of Pharmacy Practice and Pharmaceutical Sciences, Mercer University, Southern School of Pharmacy, Atlanta, Georgia 30341-4155, USA
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