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Stöllberger C, Finsterer J, Schneider B. Interactions between antiepileptic drugs and direct oral anticoagulants for primary and secondary stroke prevention. Expert Opin Drug Metab Toxicol 2024; 20:359-376. [PMID: 38712571 DOI: 10.1080/17425255.2024.2352466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 05/03/2024] [Indexed: 05/08/2024]
Abstract
INTRODUCTION Direct oral anticoagulants (DOAC) are the guideline-recommended therapy for prevention of stroke in atrial fibrillation (AF) and venous thromboembolism. Since approximately 10% of patients using antiepileptic drugs (AED) also receive DOAC, aim of this review is to summarize data about drug-drug interactions (DDI) of DOAC with AED by using data from PubMed until December 2023. AREAS COVERED Of 49 AED, only 16 have been investigated regarding DDI with DOAC by case reports or observational studies. No increased risk for stroke was reported only for topiramate, zonisamide, pregabalin, and gabapentin, whereas for the remaining 12 AED conflicting results regarding the risk for stroke and bleeding were found. Further 16 AED have the potential for pharmacodynamic or pharmacokinetic DDI, but no data regarding DOAC are available. For the remaining 17 AED it is unknown if they have DDI with DOAC. EXPERT OPINION Knowledge about pharmacokinetic and pharmacodynamic DDI of AED and DOAC is limited and frequently restricted to in vitro and in vivo findings. Since no data about DDI with DOAC are available for 67% of AED and an increasing number of patients have a combined medication of DOAC and AED, there is an urgent need for research on this topic.
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Marinescu SC(N, Apetroaei MM, Nedea MI(I, Arsene AL, Velescu BȘ, Hîncu S, Stancu E, Pop AL, Drăgănescu D, Udeanu DI. Dietary Influence on Drug Efficacy: A Comprehensive Review of Ketogenic Diet-Pharmacotherapy Interactions. Nutrients 2024; 16:1213. [PMID: 38674903 PMCID: PMC11054576 DOI: 10.3390/nu16081213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/11/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
It is widely acknowledged that the ketogenic diet (KD) has positive physiological effects as well as therapeutic benefits, particularly in the treatment of chronic diseases. Maintaining nutritional ketosis is of utmost importance in the KD, as it provides numerous health advantages such as an enhanced lipid profile, heightened insulin sensitivity, decreased blood glucose levels, and the modulation of diverse neurotransmitters. Nevertheless, the integration of the KD with pharmacotherapeutic regimens necessitates careful consideration. Due to changes in their absorption, distribution, metabolism, or elimination, the KD can impact the pharmacokinetics of various medications, including anti-diabetic, anti-epileptic, and cardiovascular drugs. Furthermore, the KD, which is characterised by the intake of meals rich in fats, has the potential to impact the pharmacokinetics of specific medications with high lipophilicity, hence enhancing their absorption and bioavailability. However, the pharmacodynamic aspects of the KD, in conjunction with various pharmaceutical interventions, can provide either advantageous or detrimental synergistic outcomes. Therefore, it is important to consider the pharmacokinetic and pharmacodynamic interactions that may arise between the KD and various drugs. This assessment is essential not only for ensuring patients' compliance with treatment but also for optimising the overall therapeutic outcome, particularly by mitigating adverse reactions. This highlights the significance and necessity of tailoring pharmacological and dietetic therapies in order to enhance the effectiveness and safety of this comprehensive approach to managing chronic diseases.
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Affiliation(s)
- Simona Cristina (Nicolescu) Marinescu
- Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6, Traian Vuia Street, 020956 Bucharest, Romania (A.L.A.); (B.Ș.V.); (S.H.); (E.S.); (A.L.P.); (D.D.); (D.I.U.)
- Amethyst Radiotherapy Center, 42, Drumul Odăi, 075100 Otopeni, Romania
| | - Miruna-Maria Apetroaei
- Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6, Traian Vuia Street, 020956 Bucharest, Romania (A.L.A.); (B.Ș.V.); (S.H.); (E.S.); (A.L.P.); (D.D.); (D.I.U.)
| | - Marina Ionela (Ilie) Nedea
- Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6, Traian Vuia Street, 020956 Bucharest, Romania (A.L.A.); (B.Ș.V.); (S.H.); (E.S.); (A.L.P.); (D.D.); (D.I.U.)
| | - Andreea Letiția Arsene
- Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6, Traian Vuia Street, 020956 Bucharest, Romania (A.L.A.); (B.Ș.V.); (S.H.); (E.S.); (A.L.P.); (D.D.); (D.I.U.)
- Marius Nasta Institute of Pneumophthiology, 90, Viilor Street, 050159 Bucharest, Romania
| | - Bruno Ștefan Velescu
- Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6, Traian Vuia Street, 020956 Bucharest, Romania (A.L.A.); (B.Ș.V.); (S.H.); (E.S.); (A.L.P.); (D.D.); (D.I.U.)
| | - Sorina Hîncu
- Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6, Traian Vuia Street, 020956 Bucharest, Romania (A.L.A.); (B.Ș.V.); (S.H.); (E.S.); (A.L.P.); (D.D.); (D.I.U.)
- Fundeni Clinical Institute, 258, Fundeni Street, 022328 Bucharest, Romania
| | - Emilia Stancu
- Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6, Traian Vuia Street, 020956 Bucharest, Romania (A.L.A.); (B.Ș.V.); (S.H.); (E.S.); (A.L.P.); (D.D.); (D.I.U.)
| | - Anca Lucia Pop
- Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6, Traian Vuia Street, 020956 Bucharest, Romania (A.L.A.); (B.Ș.V.); (S.H.); (E.S.); (A.L.P.); (D.D.); (D.I.U.)
| | - Doina Drăgănescu
- Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6, Traian Vuia Street, 020956 Bucharest, Romania (A.L.A.); (B.Ș.V.); (S.H.); (E.S.); (A.L.P.); (D.D.); (D.I.U.)
| | - Denisa Ioana Udeanu
- Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6, Traian Vuia Street, 020956 Bucharest, Romania (A.L.A.); (B.Ș.V.); (S.H.); (E.S.); (A.L.P.); (D.D.); (D.I.U.)
- Marius Nasta Institute of Pneumophthiology, 90, Viilor Street, 050159 Bucharest, Romania
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Fırat O, Çakan M, Demirkan K, Dericioğlu N. Seizure control and complications in patients switching from clobazam to clonazepam due to drug shortage. Epilepsy Behav 2024; 153:109690. [PMID: 38382407 DOI: 10.1016/j.yebeh.2024.109690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 02/07/2024] [Accepted: 02/10/2024] [Indexed: 02/23/2024]
Abstract
BACKGROUND Antiseizure medication (ASM) shortages are a global problem that have a negative impact on outcomes such as seizure control in patients with epilepsy (PWE). In the case of clobazam (CLB) shortage, there is no study regarding the management strategy. This study aims to investigate the alteration in seizure frequency and the occurrence of side effects in PWE undergoing an abrupt switch from clobazam (CLB) to clonazepam (CLZ), during CLB shortage. MATERIAL AND METHODS A retrospective study was conducted from electronic health records at our neurology outpatient clinic from January to July 2022. Change in seizure frequency and percentage of CLZ-associated side effects were determined as primary and secondary outcomes, respectively. Potential drug-drug interactions (Level C and above) were evaluated by using Lexicomp Drug Interaction Checker. RESULTS The analysis included a total of 29 adult patients (15F, median age: 29). The switching ratio was 10 mg CLB for every 1 mg CLZ (10:1). Seizure frequency was higher during the CLZ period compared to the CLB period (p < 0.05), but no status epilepticus cases were observed. All patients exhibited potential drug-drug interactions, leading to reduced CLZ levels in 12 cases. A total of 36 CLZ-associated side effects were identified, with fatigue (19.4 %), drowsiness (16.6 %), and somnolence (13.8 %) being the most prevalent. A positive and strong correlation was found between CLZ dose and the number of side effects (r: 0.556; p: 0.002). CONCLUSION The abrupt switch from CLB to CLZ was observed to increase seizure frequency without leading to status epilepticus in PWE. CLZ-associated side effects were found to be tolerable despite the abrupt switch. Future studies may explore the effect of alternative switching ratios.
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Affiliation(s)
- Oğuzhan Fırat
- Hacettepe University, Faculty of Pharmacy, Department of Clinical Pharmacy, Ankara, Turkey.
| | - Melike Çakan
- Hacettepe University, Faculty of Medicine, Department of Neurology, Ankara, Turkey
| | - Kutay Demirkan
- Hacettepe University, Faculty of Pharmacy, Department of Clinical Pharmacy, Ankara, Turkey
| | - Neşe Dericioğlu
- Hacettepe University, Faculty of Medicine, Department of Neurology, Ankara, Turkey
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Heger K, Kjeldstadli K, Ring N, Aaberg KM, Kjeldsen SF, Burns ML, Johannessen SI, Johannessen Landmark C. Pharmacokinetic Variability of Sulthiame: The Impact of Age, Drug-Drug Interactions, and Biochemical Markers of Toxicity in Patients with Epilepsy. Ther Drug Monit 2024; 46:237-245. [PMID: 38158595 DOI: 10.1097/ftd.0000000000001146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 07/25/2023] [Indexed: 01/03/2024]
Abstract
PURPOSE Sulthiame is an antiseizure medication increasingly used for epilepsy. The aim of this study was to investigate the pharmacokinetic variability of sulthiame in children and adults with epilepsy with respect to age, comedication, dose, serum concentration, and biochemical markers of toxicity in a clinical setting. METHOD Retrospective quantitative data from the therapeutic drug monitoring (TDM) database at the Section for Clinical Pharmacology, the National Center for Epilepsy, Norway (2015-2021), were used. RESULTS TDM data from 326 patients (127 female/199 male) were included [mean age, 11.4 (range 2-44) years; mean weight, 41 (range 14-109) kg]. Interindividual pharmacokinetic variability in the concentration/(dose/body weight) (C/(D/kg)) ratio was 16-fold; intraindividual variability was up to 8-fold (coefficient of variation = 10%-78%). Young children (younger than 6 years) had a significantly lower C/(D/kg) ratio than older age groups ( P < 0.05). Various comedications did not significantly affect the C/(D/kg) ratio, possibly owing to the small sample size. However, CYP2C19-mediated inhibition by sulthiame was indicated because patients using clobazam and sulthiame (n = 28) had a 3.5-fold higher N-desmethylclobazam C/(D/kg) ratio than those using neutral comedication (n = 45; P < 0.001). Patients with pH values below the adjusted normal range (7.32-7.42; n = 15) had a 33% higher sulthiame concentration than those with normal pH values (n = 22; P < 0.05). Blood gas measurements, especially pH, may serve as markers of toxicity and can be used in combination with clinical data when toxicity is suspected. CONCLUSIONS This study revealed the extensive intraindividual and interindividual pharmacokinetic variability of sulthiame, with age as a contributing factor. Sulthiame has clinically relevant interactions with clobazam. The use of TDM and pH as a biochemical marker may contribute to individualized and safe sulthiame treatment.
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Affiliation(s)
- Katrine Heger
- Department of Pharmacy, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
| | - Kari Kjeldstadli
- Section for Clinical Pharmacology, Department of Pharmacology, Oslo University Hospital, Oslo, Norway
| | - Nelly Ring
- Section for Clinical Pharmacology, Department of Pharmacology, Oslo University Hospital, Oslo, Norway
| | - Kari Modalsli Aaberg
- The National Center for Epilepsy, Sandvika, Member of the ERN EpiCare, Oslo University Hospital, Oslo, Norway; and
| | - Signe Flood Kjeldsen
- Section for Clinical Pharmacology, The National Center for Epilepsy, Department of Pharmacology, Oslo University Hospital, Oslo, Norway
| | - Margrete Larsen Burns
- Section for Clinical Pharmacology, The National Center for Epilepsy, Department of Pharmacology, Oslo University Hospital, Oslo, Norway
| | - Svein I Johannessen
- The National Center for Epilepsy, Sandvika, Member of the ERN EpiCare, Oslo University Hospital, Oslo, Norway; and
- Section for Clinical Pharmacology, The National Center for Epilepsy, Department of Pharmacology, Oslo University Hospital, Oslo, Norway
| | - Cecilie Johannessen Landmark
- Department of Pharmacy, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
- The National Center for Epilepsy, Sandvika, Member of the ERN EpiCare, Oslo University Hospital, Oslo, Norway; and
- Section for Clinical Pharmacology, The National Center for Epilepsy, Department of Pharmacology, Oslo University Hospital, Oslo, Norway
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Costa B, Vale N. Virus-Induced Epilepsy vs. Epilepsy Patients Acquiring Viral Infection: Unravelling the Complex Relationship for Precision Treatment. Int J Mol Sci 2024; 25:3730. [PMID: 38612542 PMCID: PMC11011490 DOI: 10.3390/ijms25073730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/04/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
The intricate relationship between viruses and epilepsy involves a bidirectional interaction. Certain viruses can induce epilepsy by infecting the brain, leading to inflammation, damage, or abnormal electrical activity. Conversely, epilepsy patients may be more susceptible to viral infections due to factors, such as compromised immune systems, anticonvulsant drugs, or surgical interventions. Neuroinflammation, a common factor in both scenarios, exhibits onset, duration, intensity, and consequence variations. It can modulate epileptogenesis, increase seizure susceptibility, and impact anticonvulsant drug pharmacokinetics, immune system function, and brain physiology. Viral infections significantly impact the clinical management of epilepsy patients, necessitating a multidisciplinary approach encompassing diagnosis, prevention, and treatment of both conditions. We delved into the dual dynamics of viruses inducing epilepsy and epilepsy patients acquiring viruses, examining the unique features of each case. For virus-induced epilepsy, we specify virus types, elucidate mechanisms of epilepsy induction, emphasize neuroinflammation's impact, and analyze its effects on anticonvulsant drug pharmacokinetics. Conversely, in epilepsy patients acquiring viruses, we detail the acquired virus, its interaction with existing epilepsy, neuroinflammation effects, and changes in anticonvulsant drug pharmacokinetics. Understanding this interplay advances precision therapies for epilepsy during viral infections, providing mechanistic insights, identifying biomarkers and therapeutic targets, and supporting optimized dosing regimens. However, further studies are crucial to validate tools, discover new biomarkers and therapeutic targets, and evaluate targeted therapy safety and efficacy in diverse epilepsy and viral infection scenarios.
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Affiliation(s)
- Bárbara Costa
- PerMed Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal;
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal
| | - Nuno Vale
- PerMed Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal;
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal
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Darwish M, Youakim JM, Darling I, Lukacova V, Owen JS, Bradley H. A Physiologically Based Pharmacokinetic Modeling Approach to Assess the Potential for Drug Interactions Between Trofinetide and CYP3A4-Metabolized Drugs. Clin Ther 2024; 46:194-200. [PMID: 38307724 DOI: 10.1016/j.clinthera.2023.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/01/2023] [Accepted: 12/24/2023] [Indexed: 02/04/2024]
Abstract
PURPOSE Trofinetide is the first drug to be approved by the US Food and Drug Administration for use in the treatment of patients with Rett syndrome, a multisystem disorder requiring multimodal therapies. Cytochrome P450 (CYP) 3A4 metabolizes >50% of therapeutic drugs and is the CYP isozyme most commonly expressed in the liver and intestines. In vitro studies suggest the concentration of trofinetide producing 50% inhibition (IC50) of CYP3A4 is >15 mmol/L; that concentration was much greater than the target clinical concentration associated with the maximal intended therapeutic dose (12 g). Thus, trofinetide has a low potential for drug-drug interactions in the liver. However, there is potential for drug-drug interactions in the intestines given the oral route of administration and expected relatively high concentration in the gastrointestinal tract after dose administration. METHODS Using a validated physiologically based pharmacokinetic (PBPK) model, deterministic and stochastic simulations were used for assessing the PK properties related to exposure and bioavailability of midazolam (sensitive index substrate for CYP3A4) following an oral (15 mg) or intravenous (2 mg) dose, with and without single-dose and steady-state (12 g) coadministration of oral trofinetide. FINDINGS Following coadministration of intravenous midazolam and oral trofinetide, the PK properties of midazolam were unchanged. The trofinetide concentration in the gut wall was >15 mmol/L during the first 1.5 hours after dosing. With the coadministration of oral midazolam and trofinetide, the model predicted increases in fraction of dose reaching the portal vein, bioavailability, Cmax, and AUCinf of 30%, 30%, 18%, and 30%, respectively. IMPLICATIONS In this study that used a PBPK modeling approach, it was shown that CYP3A4 enzyme activity in the liver was not affected by trofinetide coadministration, but trofinetide was predicted to be a weak inhibitor of intestinal CYP3A4 metabolism after oral administration at therapeutic doses.
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Affiliation(s)
- Mona Darwish
- Acadia Pharmaceuticals Inc, San Diego, California.
| | | | - Inger Darling
- Division of Cognigen Simulations Plus Inc, Buffalo, New York
| | | | - Joel S Owen
- Division of Cognigen Simulations Plus Inc, Buffalo, New York
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Singh GK, Kumari B, Das N, Zaman K, Prasad P, Singh RB. Design, synthesis, molecular docking and pharmacological evaluation of some thiadiazole based nipecotic acid derivatives as a potential anticonvulsant and antidepressant agents. 3 Biotech 2024; 14:71. [PMID: 38362592 PMCID: PMC10864245 DOI: 10.1007/s13205-023-03897-1] [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: 02/16/2023] [Accepted: 12/18/2023] [Indexed: 02/17/2024] Open
Abstract
In our continuous effort to develop novel antiepileptic drug, a new series of nipecotic acid derivatives having1,3,4-thiadiazole nucleus were designed and synthesized. This study aims to improve the lipophilicity of nipecotic acid by attaching some lipophilic anchors like thiadiazole and substituted aryl acid derivatives. In our previous study, we noticed that the N-substituted oxadiazole derivative of nipecotic acid exhibited significant antiepileptic activity in the rodent model. The synthesized compounds were characterized by FT-IR, 1H-NMR, 13C-NMR, Mass, and elemental analysis. The anticonvulsant activity was evaluated by using the maximal electroshock-induced seizure model in rats (MES) and the subcutaneous pentylenetetrazol (scPTZ) test in mice. None of the compounds were found to be active in the MES model whereas compounds (TN2, TN9, TN12, TN13, and TN15) produced significant protection against the scPTZ-induced seizures model. The compounds showing antiepileptic activity were additionally evaluated for antidepressant activity by using the forced swim test, 5-hydroxytryptophan (5-HTP)-induced head twitch test, and learned helplessness test. All the molecules that showed anticonvulsant activity (TN2, TN9, TN12, TN13, and TN15), also exerted significant antidepressant effects in the animal models. The selected compounds were subjected to different toxicity studies. Compounds were found to have no neurotoxicity in the rota-rod test and devoid of hepatic and renal toxicity in 30 days repeated oral toxicity test. Further, a homology model was developed to perform the in-silico molecular docking and dynamics studies which revealed the similar binding of compound TN9 within the active binding pocket and were found to be the most potent anti-epileptic agent. The market expectation for newly developed antiepileptic thiadiazole-based nipecotic acid derivatives is significant, driven by their potential to offer improved therapeutic outcomes and reduced side effects, addressing a critical need in epilepsy treatment. These innovative compounds hold promise for meeting the demand for more effective and safer antiepileptic medications. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03897-1.
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Affiliation(s)
- Gireesh Kumar Singh
- Department of Pharmacy, School of Health Sciences, Central University of South Bihar, Gaya, Bihar 824236 India
| | - Bindu Kumari
- Department of Pharmacy, School of Health Sciences, Central University of South Bihar, Gaya, Bihar 824236 India
| | - Nirupam Das
- Department of Pharmaceutical Science, SSMPS, Assam University, Silchar, Assam 788151 India
| | - Kamaruz Zaman
- Department of Pharmaceutical Sciences, Dibrugarh University, Dibrugarh, Assam 786004 India
| | - Pratibha Prasad
- Department of Neurology, All India Institute of Medical Sciences, Deoghar, Jharkhand 814142 India
| | - Ravi Bhushan Singh
- Institute of Pharmacy, Harischandra P.G. College, Bawanbeegha, Azamgarh Road, Varanasi, 221002 India
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Morel C, Paoli J, Emond C, Debaugnies F, Hardy EM, Creta M, Montagne M, Borde P, Nieuwenhuyse AV, Duca RC, Schroeder H, Grova N. Pharmacokinetic characterisation of a valproate Autism Spectrum Disorder rat model in a context of co-exposure to α-Hexabromocyclododecane. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 105:104343. [PMID: 38122861 DOI: 10.1016/j.etap.2023.104343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 12/06/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023]
Abstract
Assessing the role of α-hexabromocyclododecane α-HBCDD as a factor of susceptibility for Autism Spectrum disorders by using valproic acid-exposed rat model (VPA) required characterizing VPA pharmacokinetic in the context of α-HBCDD-co-exposure in non-pregnant and pregnant rats. The animals were exposed to α-HBCDD by gavage (100 ng/kg/day) for 12 days. This was followed by a single intraperitoneal dose of VPA (500 mg/kg) or a daily oral dose of VPA (500 mg/kg) for 3 days. Exposure to α-HBCDD did not affect the pharmacokinetics of VPA in pregnant or non-pregnant rats. Surprisingly, VPA administration altered the pharmacokinetics of α-HBCDD. VPA also triggered higher foetal toxicity and lethality with the PO than IP route. α-HBCDD did not aggravate the embryotoxicity observed with VPA, regardless of the route of exposure. Based on this evidence, a single administration of 500 mg/kg IP is the most suitable VPA model to investigate α-HBCDD co-exposure.
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Affiliation(s)
- C Morel
- Calbinotox EA-7488, Faculty of Science and Technology, University of Lorraine, Campus Aiguillettes, B.P. 70239, 54506 Vandœuvre-lès-Nancy, France.
| | - J Paoli
- Calbinotox EA-7488, Faculty of Science and Technology, University of Lorraine, Campus Aiguillettes, B.P. 70239, 54506 Vandœuvre-lès-Nancy, France; UMR Inserm 1256 nGERE, Nutrition-Génétique et exposition aux risques environnementaux, Institute of Medical Research (Pôle BMS) - University of Lorraine, B.P. 184, 54511 Nancy, France.
| | - C Emond
- Calbinotox EA-7488, Faculty of Science and Technology, University of Lorraine, Campus Aiguillettes, B.P. 70239, 54506 Vandœuvre-lès-Nancy, France; PKSH Inc., Crabtree, Quebec, Canada; School of Public Health, DSEST, University of Montreal, Montreal, Quebec, Canada.
| | - F Debaugnies
- Department of Medical Biology, National Health Laboratory (LNS), Dudelange, Grand Duchy of Luxembourg.
| | - E M Hardy
- Department of Health Protection, National Health Laboratory (LNS), Dudelange, Grand Duchy of Luxembourg.
| | - M Creta
- Department of Health Protection, National Health Laboratory (LNS), Dudelange, Grand Duchy of Luxembourg.
| | - M Montagne
- Department of Health Protection, National Health Laboratory (LNS), Dudelange, Grand Duchy of Luxembourg.
| | - P Borde
- Department of Medical Biology, National Health Laboratory (LNS), Dudelange, Grand Duchy of Luxembourg.
| | - A Van Nieuwenhuyse
- Department of Health Protection, National Health Laboratory (LNS), Dudelange, Grand Duchy of Luxembourg; Environment and Health, Department of Public Health and Primary Care, University of Leuven (KU Leuven), Leuven, Belgium.
| | - R C Duca
- Department of Health Protection, National Health Laboratory (LNS), Dudelange, Grand Duchy of Luxembourg; Environment and Health, Department of Public Health and Primary Care, University of Leuven (KU Leuven), Leuven, Belgium.
| | - H Schroeder
- Calbinotox EA-7488, Faculty of Science and Technology, University of Lorraine, Campus Aiguillettes, B.P. 70239, 54506 Vandœuvre-lès-Nancy, France; UMR Inserm 1256 nGERE, Nutrition-Génétique et exposition aux risques environnementaux, Institute of Medical Research (Pôle BMS) - University of Lorraine, B.P. 184, 54511 Nancy, France.
| | - N Grova
- Calbinotox EA-7488, Faculty of Science and Technology, University of Lorraine, Campus Aiguillettes, B.P. 70239, 54506 Vandœuvre-lès-Nancy, France; UMR Inserm 1256 nGERE, Nutrition-Génétique et exposition aux risques environnementaux, Institute of Medical Research (Pôle BMS) - University of Lorraine, B.P. 184, 54511 Nancy, France; Immune Endocrine Epigenetics Research Group, Department of Infection and Immunity-Luxembourg Institute of Health, 29 rue Henri Koch, L-4354, Esch-Sur-Alzette, Grand Duchy of Luxembourg.
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Bodor GS, Rands AJ. Quantitative LC-MS/MS Method for the Simultaneous Measurement of Six Antiepileptics and Pentobarbital in Human Serum. Methods Mol Biol 2024; 2737:43-54. [PMID: 38036809 DOI: 10.1007/978-1-0716-3541-4_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Antiepileptic drugs (AEDs) are a chemically diverse group of medications that are used to control seizures and different clinical forms of epilepsy. AEDs can be used as single agents but are commonly administered in combination, as a multi-drug regimen. AEDs have narrow therapeutic windows. Therapeutic ranges may not be properly defined, and symptoms of toxic serum concentrations may include increased frequency of seizures, as seen when AED concentrations are subtherapeutic. Pentobarbital, a barbiturate, is a potent anti-seizure medication, but it is also used in the treatment of head injury. Therapeutic drug monitoring (TDM) is required for optimal treatment of epilepsy. The method presented here is designed to measure serum concentrations of six commonly administered antiepileptic drugs (levetiracetam (Keppra), lamotrigine, lacosamide, 10-hydroxycarbazepine (oxcarbazepine metabolite), topiramate, zonisamide) and that of pentobarbital by LC-MS/MS. Liquid-liquid sample extraction is followed by reversed-phase chromatography using biphenyl HPLC column and gradient elution. Two MRM transitions are monitored for each drug, and their heavy isotope labeled internal standards. Six-point calibration curve is generated with each batch of analysis for quantitation of AEDs. The method's AMR covers the clinically relevant concentration range for each AED. The method has <10% CV throughout the AMR, is free of matrix effect commonly found in clinical samples, and is free from cross reactivity by other AEDs.
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Affiliation(s)
- Geza S Bodor
- Department of Pathology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA.
- UCHealth University of Colorado Hospital Clinical Laboratory, Aurora, CO, USA.
| | - Amanda J Rands
- UCHealth University of Colorado Hospital Clinical Laboratory, Aurora, CO, USA
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10
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Belete TM. Recent Progress in the Development of New Antiepileptic Drugs with Novel Targets. Ann Neurosci 2023; 30:262-276. [PMID: 38020406 PMCID: PMC10662271 DOI: 10.1177/09727531231185991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 05/12/2023] [Indexed: 12/01/2023] Open
Abstract
Background Epilepsy is a chronic neurological disorder that affects approximately 50-70 million people worldwide. Epilepsy has a significant economic and social burden on patients as well as on the country. The recurrent, spontaneous seizure activity caused by abnormal neuronal firing in the brain is a hallmark of epilepsy. The current antiepileptic drugs provide symptomatic relief by restoring the balance of excitatory and inhibitory neurotransmitters. Besides, about 30% of epileptic patients do not achieve seizure control. The prevalence of adverse drug reactions, including aggression, agitation, irritability, and associated comorbidities, is also prevalent. Therefore, researchers should focus on developing more effective, safe, and disease-modifying agents based on new molecular targets and signaling cascades. Summary This review overviews several clinical trials that help identify promising new targets like lactate dehydrogenase inhibitors, c-jun n-terminal kinases, high mobility group box-1 antibodies, astrocyte reactivity inhibitors, cholesterol 24-hydroxylase inhibitors, glycogen synthase kinase-3 beta inhibitors, and glycolytic inhibitors to develop a new antiepileptic drug. Key messages Approximately 30% of epileptic patients do not achieve seizure control. The current anti-seizure drugs are not disease modifying, cure or prevent epilepsy. Lactate dehydrogenase inhibitor, cholesterol 24-hydroxylase inhibitor, glycogen synthase kinase-3 beta inhibitors, and mTOR inhibitors have a promising antiepileptogenic effect.
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Affiliation(s)
- Tafere Mulaw Belete
- Department of Pharmacology, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia, Africa
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11
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Qu R, Dai Y, Zhu Z, Lu X, Zhou R, Qu X, Chen X. Therapeutic Drug Monitoring of Perampanel in Children With Refractory Epilepsy: Focus on Influencing Factors on the Free-Perampanel Concentration. Ther Drug Monit 2023; 45:660-667. [PMID: 37185798 DOI: 10.1097/ftd.0000000000001101] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 01/24/2023] [Indexed: 05/17/2023]
Abstract
BACKGROUND This study aimed to assess the effect of perampanel dose, age, sex, and antiseizure medication cotherapy on steady-state free-perampanel concentration in children with refractory epilepsy, as well as the relationship between inflammation and the pharmacokinetics of perampanel. METHODS This prospective study in China included 87 children with refractory epilepsy treated with adjunctive perampanel therapy. Free and total perampanel concentrations in plasma were determined using liquid chromatography-tandem mass spectrometry. Free-perampanel concentration was compared among patients with various potential influencing factors. RESULTS A total of 87 pediatric patients (44 female children) aged 2-14 years were enrolled. The mean free-perampanel concentration and free concentration-to-dose (CD) ratio in plasma were 5.7 ± 2.7 ng/mL (16.3 ± 7.7 nmol/L) and 45.3 ± 21.0 (ng/mL)/(mg/kg) [129.6 ± 60.1 (nmol/L)/(mg/kg)], respectively. The protein binding of perampanel in plasma was 97.98%. A linear relationship was observed between perampanel dose and free concentration in plasma, and a positive relationship was found between the total and free-perampanel concentrations. Concomitant use of oxcarbazepine reduced the free CD ratio by 37%. Concomitant use of valproic acid increased the free CD ratio by 52%. Five patients had a plasma high-sensitivity C-reactive protein (Hs-CRP) level of >5.0 mg/L (Hs-CRP positive). The total and free CD ratios of perampanel were increased in patients with inflammation. Two patients with inflammation developed adverse events, which disappeared as the Hs-CRP level returned to normal, and neither required perampanel dose reduction. Age and sex did not influence the free-perampanel concentration. CONCLUSIONS This study found complex drug interactions between perampanel and other concomitant antiseizure medications, providing valuable information to enable clinicians to apply perampanel in the future reasonably. In addition, it may be important to quantify both the total and free concentrations of perampanel to assess complex pharmacokinetic interactions.
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Affiliation(s)
- Rui Qu
- Department of Neurology, Children's Hospital of Soochow University, Suzhou Industrial Park, Jiangsu Province, China
- Department of Pediatric Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Yuanyuan Dai
- Department of Pediatric Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Zengyan Zhu
- Department of Pharmacy, Children's Hospital of Soochow University, Suzhou Industrial Park, Jiangsu Province, China; and
| | - Xiaoyun Lu
- Department of Neurology, Children's Hospital of Soochow University, Suzhou Industrial Park, Jiangsu Province, China
| | - Rui Zhou
- Department of Neurology, Children's Hospital of Soochow University, Suzhou Industrial Park, Jiangsu Province, China
| | - Xiangju Qu
- Department of Mechanical and Electronic Engineering, Xuzhou University of Technology, Xuzhou, Jiangsu Province, China
| | - Xuqin Chen
- Department of Neurology, Children's Hospital of Soochow University, Suzhou Industrial Park, Jiangsu Province, China
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12
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Jairoun AA, Al-himyari SS, Shahwan M, Hassan N, AL-Tamimi S, Jairoun M, Zyoud SH, Alshehri AS, Alkhanani MF, Alhasani RH, Alharbi AS, Alshehri FS, Ashour AM, Alorfi NM. Factors influencing community pharmacists' knowledge about women's issues in epilepsy. Front Public Health 2023; 11:1251393. [PMID: 37766744 PMCID: PMC10520571 DOI: 10.3389/fpubh.2023.1251393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 08/14/2023] [Indexed: 09/29/2023] Open
Abstract
Background Previous studies have highlighted instances where pharmacists lacked knowledge regarding women's health issues related to epilepsy. Objectives To assess UAE community pharmacists' knowledge, toward women's issues in epilepsy. Methods a cross-sectional research method was employed. A team of seven pharmacy students in their final year visited a randomly selected sample of community pharmacies in the UAE and face-to-face interviews were conducted with the pharmacists using a structured questionnaire. The questionnaire includes two parts; Eight questions designed to elicit data about the demographics of the study participants and 12 questions eliciting insights into the participants' knowledge of women's issues in epilepsy. Results A total of 412 community pharmacist were recruited in the study. The overall level of knowledge about women's issues in epilepsy was good and the average knowledge score was 81% with a 95% confidence interval (CI) [79.1, 82.7%]. The results of multivariate analysis showed higher knowledge scores in chain pharmacies (OR 1.37; 95% CI 1.12-1.67), Chief pharmacists (OR 1.44; 95% CI 1.01-2.06), Pharmacists in charge (OR 3.46; 95% CI 2.7-4.45), pharmacists with 1-5 Years of experience (OR 2.87; 95% CI 1.71-4.82), pharmacists with 6-10 Years (OR 2.63; 95% CI 1.58-4.38), pharmacists with >10 years (OR 3.13; 95% CI 2.03-4.83), graduation form regional universities (OR 1.37; 95% CI 1.12-1.67), graduation form international universities (OR 1.73; 95% CI 1.36-2.20) and receiving a training on epilepsy (OR 1.36; 95% CI 1.12-1.67). Conclusion While the findings reveal an overall promising level of knowledge among community pharmacists regarding the issues faced by women with epilepsy, pinpointing which clinical and demographic factors have the most significant impact on this knowledge would permit the implementation of tailored educational interventions. Workshops and modules targeting the issues faced by women with epilepsy would further raise the knowledge and competence among community pharmacists in this area, ensuring better pharmaceutical care for this population.
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Affiliation(s)
- Ammar Abdulrahman Jairoun
- Health and Safety Department, Dubai Municipality, Dubai, United Arab Emirates
- Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Pulau Pinang, Gelugor, Malaysia
| | - Sabba Saleh Al-himyari
- Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Pulau Pinang, Gelugor, Malaysia
- Pharmacy Department, Emirates Health Services, Dubai, United Arab Emirates
| | - Moyad Shahwan
- College of Pharmacy and Health Sciences, Ajman University, Ajman, United Arab Emirates
- Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | - Nageeb Hassan
- College of Pharmacy and Health Sciences, Ajman University, Ajman, United Arab Emirates
- Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | | | - Maimona Jairoun
- College of Pharmacy and Health Sciences, Ajman University, Ajman, United Arab Emirates
- Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | - Saed H. Zyoud
- Department of Clinical and Community Pharmacy, College of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
- Clinical Research Centre, An-Najah National University Hospital, Nablus, Palestine
| | - Abdullah S. Alshehri
- Pharmaceutical Care Services, King Abdulaziz Medical City, Ministry of National Guard – Health Affairs, Jeddah, Saudi Arabia
| | - Mustfa Faisal Alkhanani
- Department of Biology, College of Sciences, University of Hafr Al Batin, Hafr Al Batin, Saudi Arabia
| | | | - Adnan S. Alharbi
- Department of Clinical Pharmacy, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Fahad S. Alshehri
- Pharmacology and Toxicology Department, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Ahmed M. Ashour
- Pharmacology and Toxicology Department, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Nasser M. Alorfi
- Pharmacology and Toxicology Department, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
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13
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Wong M, Siddiqi J. The Concurrent Use of Phenytoin and Levetiracetam for Seizure Prophylaxis in ICU Patients: The "Arrowhead Rationale". Cureus 2023; 15:e44547. [PMID: 37790049 PMCID: PMC10544747 DOI: 10.7759/cureus.44547] [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: 08/11/2021] [Accepted: 09/01/2023] [Indexed: 10/05/2023] Open
Abstract
The administration of multiple antiepileptic drugs (AEDs) is standard practice for neurological intensive care unit (ICU) patients who cannot obtain seizure control with monotherapy. Phenytoin and levetiracetam continue to be highly utilized AEDs for ICU patients due to their efficacy and relatively low cost. However, there is no randomized control trial to date that assesses the efficacy outcomes of the concurrent use of these two medications for ICU patients in convulsive or silent status epilepticus that combats the toxicity with increasing dosages of a single drug by itself. Here, we have analyzed several studies published over the past two decades to better understand whether the concomitant use of these two medications is more efficacious in treating unremitting seizures in ICU patients. Several factors influence which AED is a better fit for ICU patients due to the complexity of their clinical state. Risk for drug interactions, increased incidence of renal and hepatic impairment, and higher need for patient monitoring are daily barriers that determine AED use. After analysis of past research, while the efficacy of concurrent use of levetiracetam and phenytoin is still not fully clear, we offer the "Arrowhead Rationale" for such dual therapy in a subset of patients at our tertiary care trauma and stroke center in Southern California.
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Affiliation(s)
- Meghan Wong
- Neurosurgery, Arrowhead Regional Medical Center, Colton, USA
| | - Javed Siddiqi
- Neurosurgery, Desert Regional Medical Center, Palm Springs, USA
- Neurosurgery, Riverside University Health System Medical Center, Moreno Valley, USA
- Neurosurgery, Arrowhead Regional Medical Center, Colton, USA
- Neurosurgery, California University of Science and Medicine, Colton, USA
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14
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Josephson CB, Gonzalez-Izquierdo A, Denaxas S, Sajobi TT, Klein KM, Wiebe S. Independent Associations of Incident Epilepsy and Enzyme-Inducing and Non-Enzyme-Inducing Antiseizure Medications With the Development of Osteoporosis. JAMA Neurol 2023; 80:843-850. [PMID: 37306981 PMCID: PMC10262059 DOI: 10.1001/jamaneurol.2023.1580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/03/2023] [Indexed: 06/13/2023]
Abstract
Importance Both epilepsy and enzyme-inducing antiseizure medications (eiASMs) having varying reports of an association with increased risks for osteoporosis. Objective To quantify and model the independent hazards for osteoporosis associated with incident epilepsy and eiASMS and non-eiASMs. Design, Setting, and Participants This open cohort study covered the years 1998 to 2019, with a median (IQR) follow-up of 5 (1.7-11.1) years. Data were collected for 6275 patients enrolled in the Clinical Practice Research Datalink and from hospital electronic health records. No patients who met inclusion criteria (Clinical Practice Research Datalink-acceptable data, aged 18 years or older, follow-up after the Hospital Episode Statistics patient care linkage date of 1998, and free of osteoporosis at baseline) were excluded or declined. Exposure Incident adult-onset epilepsy using a 5-year washout and receipt of 4 consecutive ASMs. Main Outcomes and Measures The outcome was incident osteoporosis as determined through Cox proportional hazards or accelerated failure time models where appropriate. Incident epilepsy was treated as a time-varying covariate. Analyses controlled for age, sex, socioeconomic status, cancer, 1 or more years of corticosteroid use, body mass index, bariatric surgery, eating disorders, hyperthyroidism, inflammatory bowel disease, rheumatoid arthritis, smoking status, falls, fragility fractures, and osteoporosis screening tests. Subsequent analyses (1) excluded body mass index, which was missing in 30% of patients; (2) applied propensity score matching for receipt of an eiASM; (3) restricted analyses to only those with incident onset epilepsy; and (4) restricted analyses to patients who developed epilepsy at age 65 years or older. Analyses were performed between July 1 and October 31, 2022, and in February 2023 for revisions. Results Of 8 095 441 adults identified, 6275 had incident adult-onset epilepsy (3220 female [51%] and 3055 male [49%]; incidence rate, 62 per 100 000 person-years) with a median (IQR) age of 56 (38-73) years. When controlling for osteoporosis risk factors, incident epilepsy was independently associated with a 41% faster time to incident osteoporosis (time ratio [TR], 0.59; 95% CI, 0.52-0.67; P < .001). Both eiASMs (TR, 0.91; 95% CI, 0.87-0.95; P < .001) and non-eiASMs (TR, 0.77; 95% CI, 0.76-0.78; P < .001) were also associated with significant increased risks independent of epilepsy, accounting for 9% and 23% faster times to development of osteoporosis, respectively. The independent associations among epilepsy, eiASMs, and non-eiASMs remained consistent in propensity score-matched analyses, cohorts restricted to adult-onset epilepsy, and cohorts restricted to late-onset epilepsy. Conclusions and Relevance These findings suggest that epilepsy is independently associated with a clinically meaningful increase in the risk for osteoporosis, as are both eiASMs and non-eiASMs. Routine screening and prophylaxis should be considered in all people with epilepsy.
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Affiliation(s)
- Colin B. Josephson
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Alberta, Canada
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Alberta, Canada
- Hotchkiss Brain Institute, University of Calgary, Alberta, Canada
- O’Brien Institute for Public Health, University of Calgary, Alberta, Canada
- Centre for Health Informatics, University of Calgary, Alberta, Canada
| | - Arturo Gonzalez-Izquierdo
- UCL Institute of Health Informatics, London, United Kingdom
- Health Data Research UK, London, United Kingdom
| | - Spiros Denaxas
- UCL Institute of Health Informatics, London, United Kingdom
- Health Data Research UK, London, United Kingdom
- Alan Turing Institute, London, United Kingdom
| | - Tolulope T. Sajobi
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Alberta, Canada
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Alberta, Canada
- Hotchkiss Brain Institute, University of Calgary, Alberta, Canada
- O’Brien Institute for Public Health, University of Calgary, Alberta, Canada
| | - Karl Martin Klein
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Alberta, Canada
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Alberta, Canada
- Hotchkiss Brain Institute, University of Calgary, Alberta, Canada
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Alberta, Canada
- Alberta Children’s Hospital Research Institute, University of Calgary, Alberta, Canada
| | - Samuel Wiebe
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Alberta, Canada
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Alberta, Canada
- Hotchkiss Brain Institute, University of Calgary, Alberta, Canada
- O’Brien Institute for Public Health, University of Calgary, Alberta, Canada
- Clinical Research Unit, Cumming School of Medicine, University of Calgary, Alberta, Canada
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15
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Ngo LT, Yun HY, Chae JW. Application of the Population Pharmacokinetics Model-Based Approach to the Prediction of Drug-Drug Interaction between Rivaroxaban and Carbamazepine in Humans. Pharmaceuticals (Basel) 2023; 16:ph16050684. [PMID: 37242468 DOI: 10.3390/ph16050684] [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: 04/10/2023] [Revised: 04/27/2023] [Accepted: 04/30/2023] [Indexed: 05/28/2023] Open
Abstract
Rivaroxaban (RIV) is one of the direct oral anticoagulants used to prevent and treat venous and arterial thromboembolic events. Considering the therapeutic indications, RIV is likely to be concomitantly administered with various other drugs. Among these is carbamazepine (CBZ), one of the recommended first-line options to control seizures and epilepsy. RIV is a strong substrate of cytochrome P450 (CYP) enzymes and Pgp/BCRP efflux transporters. Meanwhile, CBZ is well known as a strong inducer of these enzymes and transporters. Therefore, drug-drug interaction (DDI) between CBZ and RIV is expected. This study aimed to predict the DDI profile of CBZ and RIV in humans by using a population pharmacokinetics (PK) model-based approach. We previously investigated the population PK parameters of RIV administered alone or with CBZ in rats. In this study, those parameters were extrapolated from rats to humans by using simple allometry and liver blood flow scaling, and then applied to back-simulate the PK profiles of RIV in humans (20 mg RIV per day) used alone or with CBZ (900 mg CBZ per day). Results showed that CBZ significantly reduced RIV exposure. The AUCinf and Cmax of RIV decreased by 52.3% and 41.0%, respectively, following the first RIV dose, and by 68.5% and 49.8% at the steady state. Therefore, the co-administration of CBZ and RIV warrants caution. Further studies investigating the extent of DDIs between these drugs should be conducted in humans to fully understand their safety and effects.
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Affiliation(s)
- Lien Thi Ngo
- College of Pharmacy, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Hwi-Yeol Yun
- College of Pharmacy, Chungnam National University, Daejeon 34134, Republic of Korea
- Department of Bio-AI Convergence, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Jung-Woo Chae
- College of Pharmacy, Chungnam National University, Daejeon 34134, Republic of Korea
- Department of Bio-AI Convergence, Chungnam National University, Daejeon 34134, Republic of Korea
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16
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Costa B, Vale N. Understanding Lamotrigine's Role in the CNS and Possible Future Evolution. Int J Mol Sci 2023; 24:ijms24076050. [PMID: 37047022 PMCID: PMC10093959 DOI: 10.3390/ijms24076050] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
The anti-epileptic drug lamotrigine (LTG) has been widely used to treat various neurological disorders, including epilepsy and bipolar disorder. However, its precise mechanism of action in the central nervous system (CNS) still needs to be determined. Recent studies have highlighted the involvement of LTG in modulating the activity of voltage-gated ion channels, particularly those related to the inhibition of neuronal excitability. Additionally, LTG has been found to have neuroprotective effects, potentially through the inhibition of glutamate release and the enhancement of GABAergic neurotransmission. LTG's unique mechanism of action compared to other anti-epileptic drugs has led to the investigation of its use in treating other CNS disorders, such as neuropathic pain, PTSD, and major depressive disorder. Furthermore, the drug has been combined with other anti-epileptic drugs and mood stabilizers, which may enhance its therapeutic effects. In conclusion, LTG's potential to modulate multiple neurotransmitters and ion channels in the CNS makes it a promising drug for treating various neurological disorders. As our understanding of its mechanism of action in the CNS continues to evolve, the potential for the drug to be used in new indications will also be explored.
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Affiliation(s)
- Bárbara Costa
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal
| | - Nuno Vale
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal
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17
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Chen S, Fukasawa T, Ikeda A, Takeuchi M, Shimotake A, Yoshida S, Kawakami K. Adherence to and persistence with lacosamide, perampanel, lamotrigine, and levetiracetam in adult patients with focal epilepsy in Japan: A descriptive cohort study using a claims database. Heliyon 2023; 9:e15017. [PMID: 37064469 PMCID: PMC10102552 DOI: 10.1016/j.heliyon.2023.e15017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 03/14/2023] [Accepted: 03/24/2023] [Indexed: 03/31/2023] Open
Abstract
Objective We evaluated adherence to and 1-year persistence of two third-generation anti-seizure medications (ASMs), lacosamide and perampanel, in adult patients with focal epilepsy, compared with lamotrigine and levetiracetam. Methods A cohort study was conducted using a Japanese health insurance claims database (JMDC Inc.). We identified patients with adult-onset focal epilepsy who initiated any of the four ASMs between August 31, 2016, and October 31, 2019. Patients were further classified into ASM-naïve patients initiating any of the four ASMs as first-line treatment, and ASM-experienced patients initiating any of the four ASMs as second- or later-line treatment. Outcomes included adherence (proportion of days covered [PDC], defined as the total number of days covered by ASMs divided by the total number of days in the follow-up period) and 1-year persistence for the four ASMs. Results We identified 141 lacosamide, 75 perampanel, 80 lamotrigine, and 530 levetiracetam initiators. Among these, the proportion of ASM-naïve patients was highest in the levetiracetam group (60.8%), followed by the lamotrigine (25.0%), lacosamide (20.6%), and perampanel groups (1.3%). Mean PDC (standard deviation) was similar across the four groups, at 0.95 (0.08) for lacosamide, 0.93 (0.12) for perampanel, 0.92 (0.10) for lamotrigine and 0.94 (0.11) for levetiracetam. The proportion of patients persisting with treatment for 1 year was highest in the lacosamide group (73.0%), followed by the levetiracetam (58.3%), lamotrigine (57.5%), and perampanel groups (54.7%). In ASM-naïve patients, adherence and 1-year persistence were almost identical in the lacosamide, lamotrigine, and levetiracetam groups. Results for ASM-experienced patients did not significantly differ from those of all patients. Significance With regard to adherence and 1-year persistence, lacosamide may be equal to or better than lamotrigine and levetiracetam, especially in patients with experienced ASM, while perampanel may be comparable to lamotrigine and levetiracetam in patients with experienced ASM.
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Affiliation(s)
- Siming Chen
- Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
| | - Toshiki Fukasawa
- Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
- Department of Digital Health and Epidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
| | - Akio Ikeda
- Department of Epilepsy, Movement Disorders and Physiology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masato Takeuchi
- Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
| | - Akihiro Shimotake
- Department of Neurology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Satomi Yoshida
- Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
- Department of Digital Health and Epidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
| | - Koji Kawakami
- Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
- Corresponding author. Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Yoshidakonoe-cho, Sakyo-ku, Kyoto, 606-8501, Japan.
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Yeap TB, Ab Mukmin L, Ang SY, Ghani AR. Perianaesthetic challenges in patients undergoing vagus nerve stimulation (VNS) placement. BMJ Case Rep 2023; 16:e252692. [PMID: 36750294 PMCID: PMC9906277 DOI: 10.1136/bcr-2022-252692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Abstract
Patients with medically refractory epilepsy (MRE) are indicated for vagus nerve stimulation (VNS) placement. Anaesthesia for VNS placement is extremely challenging and requires several considerations. We present a man in his 20s with MRE who successfully underwent VNS placement. We review the mechanism of action of VNS, anaesthetic challenges and measures to prevent seizures.
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Affiliation(s)
- Tat Boon Yeap
- Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Kota Kinabalu, Malaysia
| | - Laila Ab Mukmin
- Department of Anaesthesia and Intensive Care Unit, Hospital Universiti Sains Malaysia, Kota Bahru, Malaysia
| | - Song Yee Ang
- Department of Neurosciences, School of Medical Sciences, Hospital Universiti Sains Malaysia, Kota Bahru, Malaysia
| | - Ab Rahman Ghani
- Department of Neurosciences, School of Medical Sciences, Hospital Universiti Sains Malaysia, Kota Bahru, Malaysia
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Al-Enezi BF, Al-Hasawi N, Matar KM. Impact of valproic acid on busulfan pharmacokinetics: In vitro assessment of potential drug-drug interaction. PLoS One 2023; 18:e0280574. [PMID: 36696427 PMCID: PMC9876357 DOI: 10.1371/journal.pone.0280574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 01/03/2023] [Indexed: 01/26/2023] Open
Abstract
Busulfan (Bu) is an alkylating agent commonly used at high doses in the preparative regimens of hematopoietic stem cell transplantation (HSCT). It has been shown that such high doses of Bu are associated with generalized seizures which are usually managed by prophylactic antiepileptic drugs (AEDs) such as valproic acid (VPA). Being a strong enzyme inhibitor, VPA may inhibit Bu metabolism and thus increase its potential toxicity. Despite its clinical relevance, the potential interaction between Bu and VPA has not yet been evaluated. The aim of the present study was to assess and evaluate the potential drug-drug interaction (DDI) between Bu and VPA. This study was carried out by incubating Bu in laboratory-prepared rat liver-subcellular fractions including S9, microsomes, and cytosol, alone or in combination with VPA. The liver fractions were prepared by differential centrifugation of the liver homogenate. Analysis of Bu was employed using a fully validated LC-MS/MS method. The validation parameters were within the proposed limits of the international standards guidelines. Bu metabolic stability was assessed by incubating Bu at a concentration of 8 μg/ml in liver fractions at 37°C. There were significant reductions in Bu levels in S9 and cytosolic fractions, whereas these levels were not significantly (P ˃ 0.05) changed in microsomes. However, in presence of VPA, Bu levels in S9 fraction remained unchanged. These results indicated, for the first time, the potential metabolic interaction of Bu and VPA being in S9 only. This could be explained by inhibiting Bu cytosolic metabolism by the interaction with VPA either by sharing the same metabolic enzyme or the required co-factor. In conclusion, the present findings suggest, for the first time, a potential DDI between Bu and VPA in vitro using rat liver fractions. Further investigations are warranted in human-derived liver fractions to confirm such an interaction.
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Affiliation(s)
- Bashayer F. Al-Enezi
- Department of Pharmacology & Therapeutics, Faculty of Pharmacy, Kuwait University, Kuwait City, Kuwait
| | - Nada Al-Hasawi
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kuwait University, Kuwait City, Kuwait
| | - Kamal M. Matar
- Department of Pharmacology & Therapeutics, Faculty of Pharmacy, Kuwait University, Kuwait City, Kuwait
- * E-mail: ,
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20
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Yan R, Tuo J, Tai Z, Zhang H, Yang J, Yu C, Xu Z. Management of anti-seizure medications in lactating women with epilepsy. Front Neurol 2022; 13:1005890. [DOI: 10.3389/fneur.2022.1005890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 10/28/2022] [Indexed: 11/18/2022] Open
Abstract
Epilepsy is a common neurological disease. At present, there are about 70 million epilepsy patients in the world, half of them are women, and 30–40% of women with epilepsy are of childbearing potential. Patients with epilepsy who are of childbearing potential face more challenges, such as seizures caused by hormonal fluctuations and the risk of adverse effects on the mother and baby from taking anti-seizure medications (ASMs). Breast milk is one of the best gifts that a mother can give her baby, and breastfeeding can bring more benefits to the baby. Compared with healthy people, people with epilepsy have more concerns about breastfeeding because they are worried that ASMs in their milk will affect the growth and development of the baby, and they are always faced with the dilemma of whether to breastfeed after childbirth. Regarding, whether women with epilepsy can breastfeed while taking ASMs, and whether breastfeeding will adversely affect the baby is still an important topic of concern for patients and doctors. This article reviews the existing research on breastfeeding-related issues in women with epilepsy to guide clinical practice, and improve the breastfeeding compliance of women with epilepsy.
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21
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Ngo LT, Yang S, Shin S, Cao DT, Van Nguyen H, Jung S, Lee J, Lee J, Yun H, Chae J. Application of physiologically-based pharmacokinetic model approach to predict pharmacokinetics and drug-drug interaction of rivaroxaban: A case study of rivaroxaban and carbamazepine. CPT Pharmacometrics Syst Pharmacol 2022; 11:1430-1442. [PMID: 36193622 PMCID: PMC9662201 DOI: 10.1002/psp4.12844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 06/21/2022] [Accepted: 06/24/2022] [Indexed: 11/06/2022] Open
Abstract
Rivaroxaban (RIV; Xarelto; Janssen Pharmaceuticals, Beerse, Belgium) is one of the direct oral anticoagulants. The drug is a strong substrate of cytochrome P450 (CYP) enzymes and efflux transporters. This study aimed to develop a physiologically-based pharmacokinetic (PBPK) model for RIV. It contained three hepatic metabolizing enzyme reactions (CYP3A4, CYP2J2, and CYP-independent) and two active transporter-mediated transfers (P-gp and BCRP transporters). To illustrate the performance of the developed RIV PBPK model on the prediction of drug-drug interactions (DDIs), carbamazepine (CBZ) was selected as a case study due to the high DDI potential. Our study results showed that CBZ significantly reduces the exposure of RIV. The area under the concentration-time curve from zero to infinity (AUCinf ) of RIV was reduced by 35.2% (from 2221.3 to 1438.7 ng*h/ml) and by 25.5% (from 2467.3 to 1838.4 ng*h/ml) after the first dose and at the steady-state, respectively, whereas the maximum plasma concentration (Cmax ) of RIV was reduced by 37.7% (from 266.3 to 166.1 ng/ml) and 36.4% (from 282.3 to 179.5 ng/ml), respectively. The developed PBPK model of RIV could be paired with PBPK models of other interested perpetrators to predict DDI profiles. Further studies investigating the extent of DDI between CBZ and RIV should be conducted in humans to gain a full understanding of their safety and effects.
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Affiliation(s)
- Lien Thi Ngo
- College of PharmacyChungnam National UniversityDaejeonKorea
| | - Sung‐yoon Yang
- College of PharmacyChungnam National UniversityDaejeonKorea
| | | | - Duc Tuan Cao
- Department of Pharmaceutical Chemistry and Quality ControlFaculty of Pharmacy, Haiphong University Medicine and PharmacyHaiphongVietnam
| | - Hung Van Nguyen
- Department of Pharmacology, Faculty of PharmacyHaiphong University Medicine and PharmacyHaiphongVietnam
| | - Sangkeun Jung
- Department of Computer Science and EngineeringChungnam National UniversityDaejeonKorea
| | - Jae‐Young Lee
- Department of Computer Science and EngineeringChungnam National UniversityDaejeonKorea
| | - Jong‐Hwa Lee
- Korea Institute of ToxicologyDaejeonKorea,Department of Human and Environment ToxicologyUniversity of Science and TechnologyDaejeonKorea
| | - Hwi‐yeol Yun
- College of PharmacyChungnam National UniversityDaejeonKorea
| | - Jung‐woo Chae
- College of PharmacyChungnam National UniversityDaejeonKorea
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22
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Liu P, An J, Wu H. Evaluation of the Effect of Eslicarbazepine Acetate on the Pharmacokinetics of Perampanel in Rats by Isotope-Dilution-UHPLC-MS/MS. Drug Des Devel Ther 2022; 16:4091-4099. [DOI: 10.2147/dddt.s392934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 11/24/2022] [Indexed: 11/29/2022] Open
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23
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Tayutivutikul N, Wanleenuwat P, Panapongvasin T, Klajing R, Iwanowski P. Dietary effects on antiseizure drug metabolism and management of epilepsy. Seizure 2022; 102:14-21. [PMID: 36156390 DOI: 10.1016/j.seizure.2022.09.009] [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: 02/07/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 11/28/2022] Open
Abstract
In recent years, there has been growing interest in the influences of food-drug interactions on the metabolism of antiseizure medications (ASM) and the management of epilepsy. Studies have proven the effectiveness of the ketogenic diet (KD) in controlling refractory epilepsy. However, dietary interventions such as the KD or its variants may induce significant changes in serum drug concentrations which counteracts the anticonvulsive effects of ASMs, leading to an increased risk of developing seizures. Interactions with enzymes within the cytochrome P450 system may also explain the dietary influences on serum concentrations of antiseizure drugs. The bioavailability of ASMs is also affected by several foods and nutritional supplements. Nevertheless, more studies are warranted to explore the mechanisms underlying food-drug interactions and the risks and benefits of combined drug-diet therapy.
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Affiliation(s)
- Naim Tayutivutikul
- Department of Neurology, Poznan University of Medical Sciences, Przybyszewskiego 49, Poznań 60-355, Poland
| | - Pitchaya Wanleenuwat
- Department of Neurology, Poznan University of Medical Sciences, Przybyszewskiego 49, Poznań 60-355, Poland.
| | - Thanaphat Panapongvasin
- Department of Neurology, Poznan University of Medical Sciences, Przybyszewskiego 49, Poznań 60-355, Poland
| | - Rakklao Klajing
- Department of Neurology, Poznan University of Medical Sciences, Przybyszewskiego 49, Poznań 60-355, Poland
| | - Piotr Iwanowski
- Department of Neurology, Poznan University of Medical Sciences, Przybyszewskiego 49, Poznań 60-355, Poland
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24
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Huang CW, Boonyapisit K, Gunadharma S, Casanova-Gutierrez J, Jin L, Nayak D, Akamatsu N. Optimal Use of Perampanel in Elderly Asian Patients with Epilepsy: Expert Opinion. Ther Clin Risk Manag 2022; 18:825-832. [PMID: 35996554 PMCID: PMC9392486 DOI: 10.2147/tcrm.s371396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 07/31/2022] [Indexed: 12/05/2022] Open
Abstract
Managing epilepsy in the elderly remains complicated largely due to factors related to aging. In this population, management practices are increasingly shifting towards the use of newer-generation anti-seizure medications (ASMs) as they are generally associated with better tolerability and safety profiles than older ones. Perampanel is a new ASM with broad-spectrum efficacy and a favorable safety profile. However, because of the lack of information and experience in its use, the prescription of perampanel has not been optimized in the elderly in the real-world setting in Asia. A group of epilepsy experts across the region convened at a series of virtual meetings to share their experience and discuss recommendations on perampanel use in elderly patients, including dose optimization, considerations with treatment initiation, and strategies to manage adverse events and maximize tolerability. This article summarizes key clinical and real-world evidence for perampanel in the elderly and consolidates the experts’ opinions on optimizing perampanel use in elderly Asian patients with epilepsy, providing practical guidance for clinicians to address challenges related to treatment initiation and tolerance.
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Affiliation(s)
- Chin-Wei Huang
- Division of Epileptology, Department of Neurology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Kanokwan Boonyapisit
- Division of Neurology, Department of Medicine, Siriraj Hospital, Bangkok, Thailand
| | - Suryani Gunadharma
- Department of Neurology, Faculty of Medicine, Padjadjaran University, Hasan Sadikin Hospital, Bandung, Indonesia
| | - Josephine Casanova-Gutierrez
- Department of Internal Medicine, Section of Neurology, De La Salle University Medical Center and College of Medicine, Dasmariñas, Philippines.,Department of Neurosciences, University of the Philippines College of Medicine-Philippine General Hospital, Manila, Philippines
| | - Liri Jin
- Department of Neurology, Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Dinesh Nayak
- Department of Neurology, Gleneagles Global Health City, Chennai, India
| | - Naoki Akamatsu
- Department of Neurology, International University of Health and Welfare, Narita, Japan.,Epilepsy and Sleep Disorders Center, Fukuoka Sanno Hospital, Fukuoka, Japan
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25
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Usman M, Shaukat QUA, Khokhar MI, Bilal R, Khan RR, Saeed HA, Ali M, Khan HM. Comparative pharmacokinetics of valproic acid among Pakistani and South Korean patients: A population pharmacokinetic study. PLoS One 2022; 17:e0272622. [PMID: 36001534 PMCID: PMC9401156 DOI: 10.1371/journal.pone.0272622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 07/23/2022] [Indexed: 11/18/2022] Open
Abstract
Purpose
The pharmacokinetics of valproic acid have been evaluated in a variety of populations however, the comparison in two different populations was yet to be reported. This study is aimed to compare the pharmacokinetics of valproic acid in Pakistani and South Korean patients.
Method
The therapeutic drug monitoring (TDM) data of valproic acid from 92 Pakistani patients with 218 samples was combined with the data of 99 South Korean patients with 335 samples in order to form a pooled dataset of 191 patients with 553 samples. Population pharmacokinetic model was developed on NONMEM® software by using first order conditional estimation method for estimation of pharmacokinetic parameters. The influence of different covariates including ethnicity was evaluated the stepwise covariate modelling. The final model was evaluated for predictive performance and robustness by using goodness of fit plots and bootstrap analysis respectively.
Results
The data was better described by one compartment model with first order elimination. The value for clearance (CL) of valproic in pooled data was 0.931 L/h with 43.4% interindividual variability (IIV) while volume of distribution (Vd) was 16.6 L with 22.3% IIV. In covariate analysis, ethnicity and body weight were significant covariates for CL while body weight was also significant for Vd.
Conclusion
A significant difference in CL of valproic acid among Pakistani and South Korean patients was observed. The model can be used for the dose tailoring of valproic acid based on ethnicity and body weight of Pakistani and South Korean patients.
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Affiliation(s)
- Muhammad Usman
- Institute of Pharmaceutical Sciences, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Qurrat-ul-Ain Shaukat
- Institute of Pharmacy, Faculty of Pharmaceutical and Allied Health Sciences, Lahore College for Women University, Lahore, Pakistan
| | - Muhammad Imran Khokhar
- Ameer-ud-Din Medical College, Post-Graduate Medical Institute (PGMI), Lahore General Hospital, Lahore, Pakistan
- Gujranwala Medical College, Govt DHQ Hospital Gujranwala, Gujranwala, Pakistan
| | - Rabiea Bilal
- CMH Lahore Medical College & IOD, NUMS, Lahore, Pakistan
| | - Rizwan Rasul Khan
- Department of Medicine, Aziz Fatima Medical & Dental College, Faisalabad, Pakistan
| | | | - Mohsin Ali
- Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Govt College University, Faisalabad, Pakistan
| | - Humaira Majeed Khan
- Institute of Pharmacy, Faculty of Pharmaceutical and Allied Health Sciences, Lahore College for Women University, Lahore, Pakistan
- * E-mail:
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26
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Hosseinzadeh A, Dehdashtian E, Jafari-Sabet M, Mehrzadi S. The effects of vitamin D3 and melatonin combination on pentylenetetrazole-induced seizures in mice. Cent Nerv Syst Agents Med Chem 2022; 22:118-124. [PMID: 35507790 DOI: 10.2174/1871524922666220429121253] [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: 08/26/2021] [Revised: 02/06/2022] [Accepted: 02/16/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Epileptic seizures are associated with the overproduction of free radicals in the brain leading to neuronal cell death. Therefore, reduction of oxidative stress may inhibit seizure-induced neuronal cell damage. Current study evaluated the effects of Vit D3 and melatonin and their combination on pentylenetetrazol (PTZ)-induced tonic clonic seizures in mice. METHODS Animals were divided into six groups. Group I was administrated with normal saline (0.5 ml, intraperitoneally (i.p.)) on the 15th day of experiment. Group II was injected with PTZ (60 mg/kg dissolved in 0.5 ml normal saline, i.p) on the 15th day. Groups III-IV were treated with diazepam (4 mg/kg/day), Vit D3 (6000 IU/kg/day), melatonin (20 mg/kg/day) and Vit D3 (6000 IU/kg/day)/melatonin (20 mg/kg/day), respectively, and were then injected with PTZ (60 mg/kg) on the 15th day of experiment. Immediately after the injection of PTZ on the 15th day, mice were observed for a 30-min period for the measurement of seizure latency and duration. For determination of oxidative stress markers, malondialdehyde (MDA) level and superoxide dismutase (SOD) activity were measured in mouse brains. RESULTS Treatment with Vit D3, melatonin, and Vit D3/melatonin significantly increased seizure latency and decreased seizure duration. The brain level of MDA was lower and SOD activity was greater than the PTZ group. Mice treated with Vit D3/melatonin had lower seizure duration compared to other treated groups. CONCLUSIONS Combination of Vit D3 and melatonin may reduce seizure frequency in epileptic patients; this effect may result from various mechanisms including inhibition of oxidative stress.
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Affiliation(s)
- Azam Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Ehsanz Dehdashtian
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Majid Jafari-Sabet
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences, Tehran Iran
| | - Saeed Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
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27
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Gogou M, Cross JH. Seizures and Epilepsy in Childhood. Continuum (Minneap Minn) 2022; 28:428-456. [PMID: 35393965 DOI: 10.1212/con.0000000000001087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
PURPOSE OF REVIEW This article highlights basic concepts of seizures and epilepsy in pediatric patients, as well as basic treatment principles for this age group. RECENT FINDINGS Epilepsy is the most common neurologic disorder in childhood. Accurate diagnosis is key; in older children, epileptic seizures need to be differentiated from various paroxysmal nonepileptic events, whereas in neonates, the majority of seizures are subclinical (electroencephalographic). Antiseizure medications remain the first-line treatment, but ketogenic diet and epilepsy surgery have also shown positive outcomes and can decrease drug burden. Genetic causes account for approximately 30% of cases, and the recognition of electroclinical syndromes is being replaced by the concept of genetic spectrums. Precision medicine therapies are promising, but wide application in daily practice still has a long way to go. Early access to specialist centers and optimal treatments positively affects prognosis and future neurodevelopment. SUMMARY Although novel findings from all fields of research are being incorporated into everyday clinical practice, a better quality of life for children with seizures and epilepsy and their families is the ultimate priority.
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28
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Gritsch D, Gonzalez Castro LN. Relevant pharmacologic interactions in the concurrent management of brain tumor-related epilepsy and venous thromboembolism: a systematic review. J Neurooncol 2022; 157:285-296. [PMID: 35312937 DOI: 10.1007/s11060-022-03984-y] [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: 02/14/2022] [Accepted: 03/05/2022] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Co-administration of direct oral anticoagulants (DOACs) with antiepileptic drugs (AEDs) is increasingly common in brain tumor patients. We therefore performed a systematic review of the current evidence for potential drug interactions between DOACs and AEDs in this patient population. METHODS We conducted a systematic review of the literature via PubMed according to PRISMA guidelines (last accessed December 15, 2021). Included were clinical studies and case reports, written in English language and published between 2010 and 2021, that investigated concurrent clinical use of AEDs with DOACs for any indication. Non-English articles, articles not related to our research question, review articles and commentaries were excluded. Full-text articles were evaluated for possible confounding factors and results were summarized using a data table highlighting the key characteristics of each article. RESULTS We identified a total of 122 unique articles, of which 27 were deemed relevant to our research question. Of these, 8 articles were clinical studies (n = 295,415 patients) and 19 were case reports (n = 25 patients). Only 3 clinical studies and 2 case reports reported interactions between AEDs and DOACs in patients with active cancer and none reported interactions in patients with brain tumors. CONCLUSION We have identified low (class IV) level evidence of potential drug interactions between DOACs and AEDs. Even though there is no current report of interactions in brain tumor patients, neuro-oncology providers should be aware of the emerging evidence regarding drug interactions between DOACs and AEDs and take this into consideration when concurrently prescribing these to patients.
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Affiliation(s)
- David Gritsch
- Mayo Clinic Scottsdale: Mayo Clinic Arizona, Phoenix, AZ, USA.
| | - L Nicolas Gonzalez Castro
- Center for Neuro-Oncology, Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA, 02215, USA
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29
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Vafaee-Shahi M, Soheilipour F, Mohagheghi P, Riahi A, Borghei NS, Talebi A. Effect of Sodium Valproate on Weight, Body Mass Index, Uric Acid, Vitamin D3, Blood Insulin, and Serum Lipid Profile in Children. Open Neurol J 2022. [DOI: 10.2174/1874205x-v16-e2202070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Introduction:
Due to the high prevalence of epilepsy and the use of sodium valproate as an antiepileptic drug by these patients, accurate recognition of its side effects and its effects on serum lipids profile, liver enzymes, uric acid level, and thyroid function tests, especially in cases that need long-term treatment seems essential. This study aimed to evaluate the effects of sodium valproate on weight, body mass index (BMI), vitamin D3, blood insulin, uric acid level, and serum lipids profile in children with newly diagnosed epilepsy.
Materials and Methods:
This prospective study was performed on 30 children between 3 and 8 years of age who suffered from newly diagnosed epilepsy and received sodium valproate as monotherapy. Data including demographic information (age, sex, height, weight, and waist and hip circumference of children), as well as clinical characteristics, such as liver enzymes (ALT, AST, ALK-P), serum lipids level (TG, TC, HDL-C, LDL-C), thyroid tests (TSH, T4), fasting blood sugar (FBS), uric acid level, 25 OH Vitamin D3 (Vit-D3), and blood insulin level of children before and six months after the consumption of sodium valproate, were examined.
Results:
The mean weight of children before and six months after the start of sodium valproate treatment was 18.54±2.99 and 21.13±3.93 (kg), respectively. This difference was statistically significant (P=0.005). Also, the mean weight Z-score of children before and after taking sodium valproate was -2.497 and -2.293, respectively, which was statistically significant too. In addition to weight gain, there was also a significant increase in the abdominal and hip circumference of children after taking valproate, whereas the increase in mean BMI before and after valproate administration was not statistically significant (P=0.114). However, mean weight gain, as well as the increase in the waist and hip circumference, had no relationship with gender (P> 0.05). Also, sodium valproate significantly increased the ALT level (P=0.046). Moreover, sodium valproate did not affect other liver function markers (AST), thyroid hormones (TSH, T4), fasting blood sugar (FBS), uric acid level, 25 OH Vit-D3, and the children's blood insulin levels (P> 0.05).
Conclusion:
According to the findings of this study, it can be concluded that sodium valproate is a good drug for children between 3 and 8 years of age, but it should be noted that taking this drug increases the chance of obesity in children. The main side effect of this drug is weight gain. Due to the significant increase in ALT enzyme, as observed in this study, it is recommended to check liver enzymes before, one, and six months after starting treatment as it can prevent the irreversible permanent side effects of this drug.
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Nine-gene pharmacogenomics profile service: The Mayo Clinic experience. THE PHARMACOGENOMICS JOURNAL 2022; 22:69-74. [PMID: 34671112 DOI: 10.1038/s41397-021-00258-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 09/28/2021] [Accepted: 10/06/2021] [Indexed: 02/07/2023]
Abstract
PURPOSE The Pharmacogenomics (PGx) Profile Service was a proof-of-concept project to implement PGx in patient care at Mayo Clinic. METHODS Eighty-two healthy individuals aged 18 and older underwent genotyping of CYP1A2, CYP2C9, CYP2C19, CYP2D6, CYP3A4, CYP3A5, SLCO1B1, HLA-B*58:01, and VKORC1. A PGx pharmacist was involved in ordering, meeting with patients, interpreting, reviewing, and documenting results. RESULTS Ninety three percent were CYP1A2 rapid metabolizers, 92% CYP3A4 normal metabolizers, and 88% CYP3A5 poor metabolizers; phenotype frequencies for CYP2C19 and CYP2D6 varied. Seventy-three percent had normal functioning SLCO1B1 transporter, 4% carried the HLA-B*58:01 risk variant, and 35% carried VKORC1 and CYP2C9 variants that increased warfarin sensitivity. CONCLUSION Pre-emptive PGx testing offered medication improvement opportunity in 56% of participants for commonly used medications. A collaborative approach involving a PGx pharmacist integrated within a clinical practice with regards to utility of PGx results allowed for implementation of the PGx Profile Service. KEY POINTS The Mayo Clinic PGx (PGx) Profile Service was a proof-of-concept project to utilize PGx testing as another clinical tool to enhance medication selection and decrease serious adverse reactions or medication failures. Over one-half of participants in the pilot using the PGx Profile Service were predicted to benefit from pre-emptive PGx testing to guide pharmacotherapy. PGx pharmacists played a crucial role in the PGx Profile Service by educating participants, identifying medication-gene interactions, and providing evidence-based (CPIC and DPWG) PGx recommendations for past, current, and future medication us.
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31
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Le Roux C, Destère A, Hervy S, Lloret-Linares C, Reignier J, Caillet P, Jolliet P, Mégarbane B, Boels D. Potential drug-drug interactions when managing status epilepticus patients in intensive care: A cohort study. Br J Clin Pharmacol 2021; 88:2408-2418. [PMID: 34907586 DOI: 10.1111/bcp.15179] [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: 09/01/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 11/30/2022] Open
Abstract
AIMS The risk for drug-drug interactions (DDIs) associated with antiseizure drugs (ASDs) used to manage status epilepticus (SE) patients in the intensive care unit (ICU) has been poorly investigated. We aimed to quantify and describe those potential DDIs and determine SE patient risk profiles. METHODS We conducted an observational bi-centric cohort study including all SE patients admitted to the ICU in the period 2016-2020. RESULTS Overall, 431 SE patients were included and 5504 potential DDIs were identified including 1772 DDIs (33%) between ASDs, 2610 DDIs (47%) between ASDs and previous usual treatments (PUTs), and 1067 DDIs (20%) between ASDs and ICU treatments (ICUTs). DDIs were moderate (n = 4871), major (n = 562) or severe (n = 16). All patients exhibited potential DDIs, which were major-to-severe DDIs in 47% of the cases. DDIs were pharmacokinetic (n = 1972, 36%), mostly involving cytochrome P450 modulators, and pharmacodynamic (n = 3477, 64%), mainly leading to increased sedation. ASD/PUT DDIs were the most frequent and severe. Age, PUT and ASD drug numbers and length of ICU stay were significantly associated with increased DDI number. We identified four SE patient profiles with different DDI risks and outcomes including (1) epileptic or brain trauma patients, (2) withdrawal syndrome patients, (3) older patients with comorbidities and (4) self-poisoned patients with psychiatric disorders and/or past epilepsy. CONCLUSION SE patients are subject to potential DDIs between ASDs, ASD/PUT and ASD/ICUT. Major-to-severe DDIs mostly occur between ASDs and PUTs. Physicians should pay attention to SE patient characteristics and history to limit DDI numbers and prevent their consequences.
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Affiliation(s)
- Clémentine Le Roux
- Inserm UMRS 1144, University of Paris, France.,Clinical Toxicology Unit, Pharmacology Department, Nantes University Hospital, Nantes, France
| | | | - Sarah Hervy
- SPIN Unit, Public Health Department, Nantes University Hospital, Nantes, France
| | - Célia Lloret-Linares
- Inserm UMRS 1144, University of Paris, France.,Department of Nutritional and Metabolic Diseases, Ramsay Générale de Santé, Pays de Savoie Private Hospital, Annemasse, France
| | - Jean Reignier
- Department of Medical Critical Care, Nantes University Hospital, Nantes, France
| | - Pascal Caillet
- SPIN Unit, Public Health Department, Nantes University Hospital, Nantes, France
| | - Pascale Jolliet
- Clinical Toxicology Unit, Pharmacology Department, Nantes University Hospital, Nantes, France
| | - Bruno Mégarbane
- Inserm UMRS 1144, University of Paris, France.,Department of Medical and Toxicological Critical Care, Lariboisière Hospital, Paris, France
| | - David Boels
- Inserm UMRS 1144, University of Paris, France.,Clinical Toxicology Unit, Pharmacology Department, Nantes University Hospital, Nantes, France.,SPIN Unit, Public Health Department, Nantes University Hospital, Nantes, France
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Lee D, Minko T. Nanotherapeutics for Nose-to-Brain Drug Delivery: An Approach to Bypass the Blood Brain Barrier. Pharmaceutics 2021; 13:pharmaceutics13122049. [PMID: 34959331 PMCID: PMC8704573 DOI: 10.3390/pharmaceutics13122049] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/15/2021] [Accepted: 11/18/2021] [Indexed: 02/01/2023] Open
Abstract
Treatment of neurodegenerative diseases or other central nervous system (CNS) disorders has always been a significant challenge. The nature of the blood-brain barrier (BBB) limits the penetration of therapeutic molecules to the brain after oral or parenteral administration, which, in combination with hepatic metabolism and drug elimination and inactivation during its journey in the systemic circulation, decreases the efficacy of the treatment, requires high drug doses and often induces adverse side effects. Nose-to-brain drug delivery allows the direct transport of therapeutic molecules by bypassing the BBB and increases drug concentration in the brain. The present review describes mechanisms of nose-to-brain drug delivery and discusses recent advances in this area with especial emphasis on nanotechnology-based approaches.
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Affiliation(s)
- David Lee
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, 160 Frelinghuysen Road, Piscataway, NJ 08854, USA;
| | - Tamara Minko
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, 160 Frelinghuysen Road, Piscataway, NJ 08854, USA;
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA
- Environmental and Occupational Health Science Institute, Rutgers, The State University of New Jersey, 170 Frelinghuysen Road, Piscataway, NJ 08854, USA
- Correspondence: ; Tel.: +1-848-445-6348
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Josephson CB, Wiebe S, Delgado-Garcia G, Gonzalez-Izquierdo A, Denaxas S, Sajobi TT, Lamidi M, Wang M, Keezer MR. Association of Enzyme-Inducing Antiseizure Drug Use With Long-term Cardiovascular Disease. JAMA Neurol 2021; 78:1367-1374. [PMID: 34605857 DOI: 10.1001/jamaneurol.2021.3424] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Importance Enzyme-inducing antiseizure medications (eiASMs) have been hypothesized to be associated with long-term risks of cardiovascular disease. Objective To quantify and model the putative hazard of cardiovascular disease secondary to eiASM use. Design, Setting, and Participants This cohort study covered January 1990 to March 2019 (median [IQR] follow-up, 9 [4-15], years). The study linked primary care and hospital electronic health records at National Health Service hospitals in England. People aged 18 years or older diagnosed as having epilepsy after January 1, 1990, were included. All eligible patients were included with a waiver of consent. No patients were approached who withdrew consent. Analysis began January 2021 and ended August 2021. Exposures Receipt of 4 consecutive eiASMs (carbamazepine, eslicarbazepine, oxcarbazepine, phenobarbital, phenytoin, primidone, rufinamide, or topiramate) following an adult-onset (age ≥18 years) epilepsy diagnosis or repeated exposure in a weighted cumulative exposure model. Main Outcomes and Measures Three cohorts were isolated, 1 of which comprised all adults meeting a case definition for epilepsy diagnosed after 1990, 1 comprised incident cases diagnosed after 1998 (hospital linkage date), and 1 was limited to adults diagnosed with epilepsy at 65 years or older. Outcome was incident cardiovascular disease (ischemic heart disease or ischemic or hemorrhagic stroke). Hazard of incident cardiovascular disease was evaluated using adjusted propensity-matched survival analyses and weighted cumulative exposure models. Results Of 10 916 166 adults, 50 888 (0.6%) were identified as having period-prevalent cases (median [IQR] age, 32 [19-50] years; 16 584 [53%] female), of whom 31 479 (62%) were diagnosed on or after 1990 and were free of cardiovascular disease at baseline. In a propensity-matched Cox proportional hazards model adjusted for age, sex, baseline socioeconomic status, and cardiovascular risk factors, the hazard ratio for incident cardiovascular disease was 1.21 (95% CI, 1.06-1.39) for those receiving eiASMs. The absolute difference in cumulative hazard diverges by more than 1% and greater after 10 years. For those with persistent exposure beyond 4 prescriptions, the median hazard ratio increased from amedian (IQR) of 1.54 (1.28-1.79) when taking a relative defined daily dose of an eiASM of 1 to 2.38 (1.52-3.56) with a relative defined daily dose of 2 throughout a maximum of 25 years' follow-up compared with those not receiving an eiASM. The hazard was elevated but attenuated when restricting analyses to incident cases or those diagnosed when older than 65 years. Conclusions and Relevance The hazard of incident cardiovascular disease is higher in those receiving eiASMs. The association is dose dependent and the absolute difference in hazard seems to reach clinical significance by approximately 10 years from first exposure.
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Affiliation(s)
- Colin B Josephson
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.,Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,O'Brien Institute for Public Health, University of Calgary, Calgary, Alberta, Canada.,Centre for Health Informatics, University of Calgary, Calgary, Alberta, Canada
| | - Samuel Wiebe
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.,Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,O'Brien Institute for Public Health, University of Calgary, Calgary, Alberta, Canada.,Clinical Research Unit, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Guillermo Delgado-Garcia
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Arturo Gonzalez-Izquierdo
- UCL Institute of Health Informatics, London, United Kingdom.,Health Data Research, London, United Kingdom
| | - Spiros Denaxas
- UCL Institute of Health Informatics, London, United Kingdom.,Health Data Research, London, United Kingdom.,Alan Turing Institute, London, United Kingdom
| | - Tolulope T Sajobi
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.,Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,O'Brien Institute for Public Health, University of Calgary, Calgary, Alberta, Canada
| | - Mubasiru Lamidi
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Meng Wang
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Mark R Keezer
- Department of Neurosciences, Université de Montreal, Montreal, Quebec, Canada
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El-Shimi OS, Farag AA, El-Rebigi AM, Kharboush TG, Bayomy HES, Khashaba RA. Carbamazepine-Induced Hematological and Immunological Alterations in Egyptian Children with Idiopathic Generalized Seizures. JOURNAL OF CHILD SCIENCE 2021. [DOI: 10.1055/s-0041-1736156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AbstractCarbamazepine (CBZ) is one of the oldest antiepileptic drugs (AEDs) that is still used for the treatment of tonic-clonic seizures in children. Long-term use of AEDs induces potential toxic effects that may remain undetermined for a long time. Earlier studies have revealed a wide spectrum of hematological toxicities associated with CBZ. This study was conducted to unveil the toxic effects of carbamazepine as an antiepileptic monotherapy on hematological and immunological parameters in a group of Egyptian pediatric patients using it for different durations. Fifty pediatric epileptics of either sex were enrolled; 38 were taking CBZ as antiepileptic monotherapy for ≥ 6 months and 12 were newly diagnosed untreated patients. Hematological and immunological parameters studied were compared with their age and sex-matched 15 controls and among groups. CBZ was found more toxic for total leukocyte count, lymphocyte count, serum IgA and IgM levels (p < 0.001, 0.001, < 0.001, < 0.001, respectively). Hemoglobin level, platelets count, serum C4 level and IgA were negatively correlated with serum CBZ level (Spearman's rho = – 0.62, – 0.42, – 0.34, – 0.13; p < 0.001, 0.008, 0.04, 0.44, respectively). CBZ treatment duration associated inversely with platelets, lymphocyte, and eosinophil counts (p < 0.001, 0.03, 0.01, respectively). Epileptic children on CBZ monotherapy had their hematologic and immunologic systems affected, which mandates routine monitoring of these children.
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Affiliation(s)
- Ola Samir El-Shimi
- Department of Clinical and Chemical Pathology, Faculty of Medicine, Benha University, Benha, Egypt
| | - Amina Ali Farag
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Benha University, Benha, Egypt
| | | | | | - Hanaa El-Sayed Bayomy
- Department Public Health and Community Medicine, Faculty of Medicine, Benha University, Benha, Egypt
| | - Rana Atef Khashaba
- Department of Clinical and Chemical Pathology, Faculty of Medicine, Benha University, Benha, Egypt
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Josephson CB, Engbers JDT, Sajobi TT, Wiebe S. Adult onset epilepsy is defined by phenotypic clusters with unique comorbidities and risks of death. Epilepsia 2021; 62:2036-2047. [PMID: 34453326 DOI: 10.1111/epi.16996] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 06/23/2021] [Accepted: 06/23/2021] [Indexed: 02/01/2023]
Abstract
OBJECTIVE This study was undertaken to identify clusters of adult onset epilepsy with distinct comorbidities and risks of early and late death. METHODS This was a retrospective open cohort study that included all adults meeting a case definition for epilepsy after the Acceptable Mortality Recording date in the Health Improvement Network database for the years 2000-2012 inclusive. Unsupervised agglomerative hierarchical clustering was performed to identify unique clusters of patients based on their predicted risk of early (<4 years of epilepsy diagnosis) and late (≥4 years from diagnosis) mortality and patient-level clinical characteristics. RESULTS We identified 10 499 presumed incident cases of epilepsy from 11 194 182 patients. Four phenotypic clusters were identified in the early and late risk periods. Early clusters include older adults with cardiovascular disease and a high risk of death (median predicted risk = 20%, interquartile range [IQR] = 9%-31%), a group with moderate risk of death and cancer (median predicted risk = 6%, IQR = 2%-15%), a group with psychiatric disease/substance use and few somatic comorbidities (median predicted risk = 5%, IQR = 2%-9%), and one with a younger age at onset and few comorbidities (median predicted risk = 4%, IQR = 1%-11%). There was minimal movement of individuals between clusters for those surviving the early risk period. Age- and sex-standardized 3-year mortality ratios were more than sixfold higher than the general population for every cluster, even those primarily comprised of healthy younger adults. SIGNIFICANCE Adult onset epilepsy is marked by unique clusters of comorbid conditions and elevated risks of death that form discrete populations for targeted therapeutic interventions. These clusters remain relatively stable between the early and late mortality risk periods. Of particular interest are the clusters marked by young and otherwise healthy adults whose standardized mortality ratio is sixfold higher than general population despite few conventional risk factors for premature death.
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Affiliation(s)
- Colin B Josephson
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, AB, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada.,O'Brien Institute for Public Health, University of Calgary, Calgary, AB, Canada.,Centre for Health Informatics, University of Calgary, Calgary, AB, Canada
| | | | - Tolulope T Sajobi
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, AB, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada.,O'Brien Institute for Public Health, University of Calgary, Calgary, AB, Canada
| | - Samuel Wiebe
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, AB, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada.,O'Brien Institute for Public Health, University of Calgary, Calgary, AB, Canada.,Clinical Research Unit, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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36
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Huang CR, Chuang HY, Chen NC, Chen SF, Hsu CY, Chuang YC. Zonisamide Therapy Reduces Metabolic Consequences and Diminishes Nonalcoholic Fatty Liver Disease in Patients with Epilepsy. J Clin Med 2021; 10:jcm10153380. [PMID: 34362163 PMCID: PMC8347271 DOI: 10.3390/jcm10153380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 07/21/2021] [Accepted: 07/29/2021] [Indexed: 12/04/2022] Open
Abstract
Antiepileptic drugs that can reduce aberrant metabolism are beneficial for patients. Zonisamide (ZNS) is a chemical with antiepileptic and antioxidant activities. Here, we evaluate the efficacy of ZNS therapy on reducing obesity and decreasing risks of vascular diseases and hepatic steatosis. Clinical and metabolic indicators including body weight, body mass index (BMI), serum lipid profiles, glycated hemoglobin (HbA1c), homocysteine, and an inflammatory marker, high-sensitivity C-reactive protein (hs-CRP), were assessed at baseline and at the end of 12 and 24 weeks of treatment. Nonalcoholic fatty liver disease was evaluated using the hepatic steatosis index (HSI). A body weight reduction of ≥5% was observed in 24.6% and 32.8% of patients after 12 and 24 weeks of ZNS treatment, respectively. After adjusting for age, sex, time, and the corresponding dependent variable at baseline, the generalized estimating equation analysis revealed that the body weight, BMI, serum levels of HbA1c, triglycerides, hs-CRP, and the index for HSI were significantly declined. These results suggest that ZNS provides benefits in patients with obesity and metabolic syndrome at high vascular risk.
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Affiliation(s)
- Chi-Ren Huang
- Department of Neurology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan; (C.-R.H.); (N.-C.C.); (S.-F.C.)
- College of Medicine, Chang Gung University, Tao-Yuan 33302, Taiwan
| | - Hung-Yi Chuang
- Department of Public Health and Environmental Medicine, College of Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Nai-Ching Chen
- Department of Neurology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan; (C.-R.H.); (N.-C.C.); (S.-F.C.)
- College of Medicine, Chang Gung University, Tao-Yuan 33302, Taiwan
| | - Shu-Fang Chen
- Department of Neurology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan; (C.-R.H.); (N.-C.C.); (S.-F.C.)
- College of Medicine, Chang Gung University, Tao-Yuan 33302, Taiwan
| | - Chung-Yao Hsu
- Department of Neurology, School of Medicine, College of Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Yao-Chung Chuang
- Department of Neurology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan; (C.-R.H.); (N.-C.C.); (S.-F.C.)
- College of Medicine, Chang Gung University, Tao-Yuan 33302, Taiwan
- Department of Neurology, School of Medicine, College of Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Department of Biological Science, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
- Institute for Translation Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan
- Correspondence:
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García-Cortés M, Ortega-Alonso A, Andrade RJ. Safety of treating acute liver injury and failure. Expert Opin Drug Saf 2021; 21:191-203. [PMID: 34254839 DOI: 10.1080/14740338.2021.1955854] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Acute liver injury and progression to acute liver failure can be life-threatening conditions that require prompt careful clinical assessment and therapeutic management. AREAS COVERED The aim of this article is to review the safety and side effect profile of pharmacological therapies used in the treatment of acute liver injury with specific focus on hepatic toxicity. We performed an extensive literature search with the terms 'acute liver injury,' 'acute liver failure,' 'therapy,' 'safety,' 'adverse reactions' and 'drug induced liver injury.' A thorough discussion of the main drugs and devices used in patients with acute liver injury and acute liver failure, its safety profile and the management of complications associated to therapy of these conditions is presented. EXPERT OPINION Several pharmacological approaches are used in acute liver injury and acute liver failure in an empirical basis. Whilst steroids are frequently tried in serious drug-induced liver injury there is concern on a potential harmful effect of these agents because of the higher mortality in patients receiving the drug; hence, statistical approaches such as propensity score matching might help resolve this clinical dilemma. Likewise, properly designed clinical trials using old and new drugs for subjects with serious drug-induced liver injury are clearly needed.
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Affiliation(s)
- Miren García-Cortés
- Servicio De Aparato Digestivo, Instituto De Investigación Biomédica De Málaga-IBIMA. Hospital Universitario Virgen De La Victoria, Universidad De Málaga, Centro De Investigación Biomédica En Red De Enfermedades Hepáticas Y Digestivas CIBERehd, Málaga, Spain
| | - Aida Ortega-Alonso
- Servicio De Aparato Digestivo, Instituto De Investigación Biomédica De Málaga-IBIMA. Hospital Universitario Virgen De La Victoria, Universidad De Málaga, Centro De Investigación Biomédica En Red De Enfermedades Hepáticas Y Digestivas CIBERehd, Málaga, Spain
| | - Raúl J Andrade
- Servicio De Aparato Digestivo, Instituto De Investigación Biomédica De Málaga-IBIMA. Hospital Universitario Virgen De La Victoria, Universidad De Málaga, Centro De Investigación Biomédica En Red De Enfermedades Hepáticas Y Digestivas CIBERehd, Málaga, Spain
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Chinvarun Y, Huang CW, Wu Y, Lee HF, Likasitwattanakul S, Ding J, Yamamoto T. Optimal Use of Perampanel in Asian Patients with Epilepsy: Expert Opinion. Ther Clin Risk Manag 2021; 17:739-746. [PMID: 34321883 PMCID: PMC8312314 DOI: 10.2147/tcrm.s316476] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/04/2021] [Indexed: 11/29/2022] Open
Abstract
Perampanel is a once-daily, first-in-class AMPA receptor antagonist approved for the treatment of epilepsy and exhibits broad-spectrum efficacy in a range of seizure types when used as both monotherapy and adjunctive therapy. Clinical studies and real-world evidence have demonstrated the advantages of initiating perampanel at low doses and utilizing a slow titration strategy. Initiating perampanel at an early stage has also been shown to be associated with better patient outcomes. However, the optimal use and place of perampanel in clinical practice has not yet been clearly defined for the Asian patient population. Use of perampanel in clinical practice varies markedly across the Asia region because of variation in knowledge, attitudes, and practice. There is currently no specific guidance on best practices for prescribing perampanel in Asian patients or how to optimize treatment strategies to maximize adherence. A group of epilepsy experts attended a virtual meeting in September 2020 to discuss their experience with using perampanel in the Asian practice setting, including their views regarding appropriate patient populations, optimal starting and maintenance doses, optimal titration regimens, key barriers to adherence, and prevention and management of adverse events. This article summarizes key clinical and real-world evidence for perampanel and consolidates the experts’ opinions on optimization of perampanel prescribing and adherence in real-world practice, providing practical strategies for clinicians to implement to improve outcomes for people with epilepsy in Asia.
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Affiliation(s)
- Yotin Chinvarun
- Department of Neurology, Phramongkutklao Royal Army Hospital and Medical College, Bangkok, Thailand
| | - Chin-Wei Huang
- Department of Neurology, National Cheng Kung University Hospital College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ye Wu
- Department of Pediatrics, Peking University First Hospital, Beijing, People's Republic of China
| | - Hsiu-Fen Lee
- Division of Pediatric Neurology, Children's Medical Center, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Surachai Likasitwattanakul
- Division of Neurology, Department of Pediatrics, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Jing Ding
- Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Takamichi Yamamoto
- Department of Neurosurgery, Comprehensive Epilepsy Center, Seirei Hamamatsu General Hospital, Hamamatsu, Japan
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Demir M, Akarsu EO, Dede HO, Bebek N, Yıldız SO, Baykan B, Akkan AG. Investigation of the Roles of New Antiepileptic Drugs and Serum BDNF Levels in Efficacy and Safety Monitoring and Quality of Life: A Clinical Research. ACTA ACUST UNITED AC 2021; 15:49-63. [PMID: 30864528 PMCID: PMC7497568 DOI: 10.2174/1574884714666190312145409] [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: 12/20/2018] [Revised: 03/01/2019] [Accepted: 03/01/2019] [Indexed: 12/11/2022]
Abstract
Objective: We aimed to determine the therapeutic drug monitoring (TDM) features and the relation to Brain-Derived Neurotrophic Factor (BDNF) of frequently used new antiepileptic drugs (NADs) including lamotrigine (LTG), oxcarbazepine (OXC), zonisamide (ZNS) and lacosamide (LCM). Moreover, we investigated their effect on the quality of life (QoL). Methods: Eighty epileptic patients who had been using the NADs, and thirteen healthy participants were included in this cross-sectional study. The participants were randomized into groups. The QOLIE-31 test was used for the assessment of QoL. We also prepared and applied “Safety Test”. HPLC method for TDM, and ELISA method for BDNF measurements were used consecutively. Results: In comparison to healthy participants, epileptic participants had lower marriage rate (p=0.049), education level (p˂0.001), alcohol use (p=0.002). BDNF levels were higher in patients with focal epilepsy (p=0.013) and in those with higher education level (p=0.016). There were negative correlations between serum BDNF levels and serum ZNS levels (p=0.042) with LTG-polytherapy, serum MHD levels (a 10-monohydroxy derivative of OXC, p=0.041) with OXC-monotherapy. There was no difference in BDNF according to monotherapy-polytherapy, drug-resistant groups, regarding seizure frequency. There was a positive correlation between total health status and QoL (p˂0.001). QOLIE-31 overall score (OS) was higher in those with OXC-monotherapy (76.5±14.5). OS (p˂0.001), seizure worry (SW, p=0.004), cognition (C, p˂0.001), social function (SF, p˂0.001) were different in the main groups. Forgetfulness was the most common unwanted effect. Conclusion: While TDM helps the clinician to use more effective and safe NADs, BDNF may assist in TDM for reaching the therapeutic target in epilepsy.
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Affiliation(s)
- Meral Demir
- Department of Medical and Clinical Pharmacology, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Istanbul, Turkey.,Department of Medical and Clinical Pharmacology, Cerrahpasa Faculty of Medicine, Istanbul University, Cerrahpasa Street / Fatih 34093, Istanbul, Turkey
| | - Emel O Akarsu
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Istanbul, Turkey
| | - Hava O Dede
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Istanbul, Turkey
| | - Nerses Bebek
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Istanbul, Turkey
| | - Sevda O Yıldız
- Department of Biostatistics, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Istanbul, Turkey
| | - Betül Baykan
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Istanbul, Turkey
| | - Ahmet G Akkan
- Department of Medical and Clinical Pharmacology, Cerrahpasa Faculty of Medicine, Istanbul University, Cerrahpasa Street / Fatih 34093, Istanbul, Turkey
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Gautam M, Thapa G. Cytochrome P450-mediated estrogen catabolism therapeutic avenues in epilepsy. Acta Neurol Belg 2021; 121:603-612. [PMID: 32743748 DOI: 10.1007/s13760-020-01454-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 07/23/2020] [Indexed: 01/11/2023]
Abstract
Epilepsy is a neuropsychiatric disorder, which does not have any identifiable cause. However, experimental and clinical results have asserted that the sex hormone estrogen level and endocrine system function influence the seizure and epileptic episodes. There are available drugs to control epilepsy, which passes through the metabolism process. Cytochrome P-450 family 1 (CYP1A1) is a heme-containing mono-oxygenase that are induced several folds in most of the tissues and cells contributing to their differential expression, which regulates various metabolic processes upon administration of therapeutics. CYP1A1 gene family has been found to metabolize estrogen, a female sex hormone, which plays a central role in maintaining the health of brain altering the level of estrogen active neuropsychiatric disorder like epilepsy. Hence, in this article, we endeavor to provide an opinion of estrogen, its effects on epilepsy and catamenial epilepsy, their metabolism by CYP1A1 and new way forward to differential diagnosis and clinical management of epilepsy in future.
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Affiliation(s)
- Megha Gautam
- Department of Biological Science, Faculty of Science and Engineering, Health Research Institute, University of Limerick, Limerick, V94 T9PX, Ireland
| | - Ganesh Thapa
- Department of Biological Science, Faculty of Science and Engineering, Health Research Institute, University of Limerick, Limerick, V94 T9PX, Ireland.
- Biohazards and Biosafety, Estates and Facilities, Trinity College of Dublin, The University of Dublin, College Green, Dublin 2, D02 PN40, Ireland.
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Jain S, Potschka H, Chandra PP, Tripathi M, Vohora D. Management of COVID-19 in patients with seizures: Mechanisms of action of potential COVID-19 drug treatments and consideration for potential drug-drug interactions with anti-seizure medications. Epilepsy Res 2021; 174:106675. [PMID: 34044300 PMCID: PMC8132550 DOI: 10.1016/j.eplepsyres.2021.106675] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 04/29/2021] [Accepted: 05/14/2021] [Indexed: 12/19/2022]
Abstract
In regard to the global pandemic of COVID-19, it seems that persons with epilepsy (PWE) are not more vulnerable to get infected by SARS-CoV-2, nor are they more susceptible to a critical course of the disease. However, management of acute seizures in patients with COVID-19 as well as management of PWE and COVID-19 needs to consider potential drug-drug interactions between antiseizure drugs and candidate drugs currently assessed as therapeutic options for COVID-19. Repurposing of several licensed and investigational drugs is discussed for therapeutic management of COVID-19. While for none of these approaches, efficacy and tolerability has been confirmed yet in sufficiently powered and controlled clinical studies, testing is ongoing with multiple clinical trials worldwide. Here, we have summarized the possible mechanisms of action of drugs currently considered as potential therapeutic options for COVID-19 management along with possible and confirmed drug-drug interactions that should be considered for a combination of antiseizure drugs and COVID-19 candidate drugs. Our review suggests that potential drug-drug interactions should be taken into account with drugs such as chloroquine/hydroxychloroquine and lopinavir/ritonavir while remdesivir and tocilizumab may be less prone to clinically relevant interactions with ASMs.
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Affiliation(s)
- Shreshta Jain
- Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Heidrun Potschka
- Institute of Pharmacology, Toxicology, and Pharmacy, Ludwig-Maximilians-University (LMU), Königinstr. 16, D-80539, Munich, Germany
| | | | - Manjari Tripathi
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Divya Vohora
- Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India.
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Kumar R, Arora R, Sarangi SC, Ganeshan N S, Agarwal A, Kaleekal T, Gupta YK. Pharmacodynamic and pharmacokinetic interactions of hydroalcoholic leaf extract of Centella asiatica with valproate and phenytoin in experimental models of epilepsy in rats. JOURNAL OF ETHNOPHARMACOLOGY 2021; 270:113784. [PMID: 33429032 DOI: 10.1016/j.jep.2021.113784] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 10/21/2020] [Accepted: 01/04/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Centella asiatica (CA) is commonly used herbal medicine for treatment of epilepsy. CA has CYP2C9, CYP2D6 and CYP3A4 enzymes inhibition property and used as an adjuvant therapy with conventional antiepileptic drugs (AEDs). That may be responsible for herb-drug interaction. AIM OF THE STUDY The present study was planned to evaluate interactions profile of hydroalcoholic extract Centella asiatica (HECA) with antiepileptic drugs in experimental models of epilepsy in rats. MATERIALS AND METHODS Wistar rats (175-200 g) were used. In the pharmacodynamic interaction study, seizures were induced using pentylenetetrazole (PTZ) (60 mg/kg, i.p.) and maximal electroshock seizure (MES) (70 mA for 0.2 s). The therapeutic and sub-therapeutic doses of valproate (VPA) and phenytoin (PHT) were co-administrated with HECA in PTZ and MES model of seizures respectively. Behavioural parameters were assessed using elevated plus maze test and passive avoidance paradigm. Rat brain oxidative stress parameters were also assessed. In the pharmacokinetic interaction study, the serum levels of the VPA and PHT were estimated at different time intervals by HPLC and pharmacokinetic parameters were analyzed by WinNonlin software. RESULTS The VPA and PHT produced complete protection against seizures in their therapeutic doses but not with sub-therapeutic doses. However, co-administration of HECA with a sub-therapeutic dose of VPA and PHT enhanced the protection of seizures and significantly (p < 0.001) attenuated the seizure induced oxidative stress and cognitive impairment. It also significantly increased (p < 0.001) serum levels of VPA and PHT. The alterations in pharmacokinetic parameters (maximum serum concentration, area under the curve, clearance) of AEDs were also found with co-administration of HECA. CONCLUSION The results suggested that co-administration of HECA could improve the therapeutic efficacy of VPA and PHT. But, alteration in pharmacokinetic parameters revel that needs critical medical supervision to avoid any toxic reactions.
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Affiliation(s)
- Ritesh Kumar
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | - Renu Arora
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | | | - Shankar Ganeshan N
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | | | - Thomas Kaleekal
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | - Yogendra Kumar Gupta
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India; All India Institute of Medical Sciences, Bhopal, India.
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43
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McAdams RM, Berube MW. Emerging therapies and management for neonatal encephalopathy-controversies and current approaches. J Perinatol 2021; 41:661-674. [PMID: 33712717 DOI: 10.1038/s41372-021-01022-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 02/01/2021] [Accepted: 02/17/2021] [Indexed: 01/31/2023]
Abstract
Neonatal encephalopathy (NE) continues to have a major impact on newborn survival and neurodevelopmental outcomes worldwide. In high-income settings, therapeutic hypothermia is the only established standard treatment for neonates with moderate-to-severe NE, with compelling evidence that cooling reduces mortality and major neurodevelopmental impairment in survivors. Despite therapeutic hypothermia, a significant proportion of cooled infants continue to suffer long-term disability from brain injury. Innovative therapies offer the possibility of further improving neurodevelopmental outcomes by working synergistically with therapeutic hypothermia to decrease hypoxia-ischemia-induced excitotoxicity, prevent progression to secondary energy failure, and in some cases, promote neuroregeneration in the developing neonatal brain. This review discusses emerging NE therapies currently under investigation, offers insight into controversies surrounding various approaches to clinical care during therapeutic hypothermia, and identifies ongoing knowledge deficits that hinder attainment of optimal outcomes for neonates with NE.
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Affiliation(s)
- Ryan M McAdams
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA.
| | - Megan W Berube
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
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Zaccara G, Lattanzi S, Russo E. Pharmacokinetic drug interactions between antiseizure medications and drugs for comorbid diseases in children with epilepsy. Expert Opin Drug Metab Toxicol 2021; 17:595-610. [PMID: 33709868 DOI: 10.1080/17425255.2021.1903429] [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: 10/21/2022]
Abstract
Introduction: Nearly 80% of children with epilepsy have one or more chronic comorbidities that require specific drug treatments in several cases. Drug-drug interactions (DDIs) between antiseizure medications (ASMs) and all other drugs (NON-ASMs) used to treat comorbid diseases may have serious consequences.Areas covered: All potential DDIs between 27 ASMs and all NON-ASMs used for oral chronic treatment of those disorders most often comorbid with epilepsy in children were searched for drug compendia. Clinical evidence of the identified DDIs was also searched in the literature. Forty-eight drugs have been identified as potential DDIs with at least one ASM. Most important DDIs are between some ASMs and omeprazole and pantoprazole (drugs for gastrointestinal disorders), ibuprofen and cyclobenzaprine (drugs for musculoskeletal disorders), loratidine, lumacaftor/ivacaftor, montelukast, and theophylline (drugs for respiratory system), levothyroxine, liothyronine and several corticosteroids (systemic hormonal preparations), almotriptan, dihydroergotamine, ergotamine, and several antipsychotics, antidepressants and anxiolytics (drugs for nervous diseases). Clinical evidence of the predicted DDIs was found in a minority of cases.Expert opinion: Treatment of children with epilepsy should be decided considering treatment of both seizures and comorbid diseases and aimed at minimizing the risk of DDIs between ASMs and NON-ASMs.
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Affiliation(s)
| | - Simona Lattanzi
- Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy
| | - Emilio Russo
- Science of Health Department, School of Medicine, University "Magna Graecia" of Catanzaro, Catanzaro, Italy
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45
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Rahim F, Azizimalamiri R, Sayyah M, Malayeri A. Experimental Therapeutic Strategies in Epilepsies Using Anti-Seizure Medications. J Exp Pharmacol 2021; 13:265-290. [PMID: 33732031 PMCID: PMC7959000 DOI: 10.2147/jep.s267029] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 02/10/2021] [Indexed: 02/02/2023] Open
Abstract
Epilepsies are among the most common neurological problems. The disease burden in patients with epilepsy is significantly high, and epilepsy has a huge negative impact on patients' quality of life with epilepsy and their families. Anti-seizure medications are the mainstay treatment in patients with epilepsy, and around 70% of patients will ultimately control with a combination of at least two appropriately selected anti-seizure medications. However, in one-third of patients, seizures are resistant to drugs, and other measures will be needed. The primary goal in using experimental therapeutic medication strategies in patients with epilepsy is to prevent recurrent seizures and reduce the rate of traumatic events that may occur during seizures. So far, various treatments using medications have been offered for patients with epilepsies, which have been classified according to the type of epilepsy, the effectiveness of the medications, and the adverse effects. Medications such as Levetiracetam, valproic acid, and lamotrigine are at the forefront of these patients' treatment. Epilepsy surgery, neuro-stimulation, and the ketogenic diet are the main measures in patients with medication-resistant epilepsies. In this paper, we will review the therapeutic approach using anti-seizure medications in patients with epilepsy. However, it should be noted that some of these patients still do not respond to existing treatments; therefore, the limited ability of current therapies has fueled research efforts for the development of novel treatment strategies. Thus, it seems that in addition to surgical measures, we should look for more specific agents that have less adverse events and have a greater effect in stopping seizures.
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Affiliation(s)
- Fakher Rahim
- Molecular Medicine and Bioinformatics, Research Center of Thalassemia & Hemoglobinopathy, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Reza Azizimalamiri
- Department of Pediatrics, Division of Pediatric Neurology, Golestan Medical, Educational, and Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mehdi Sayyah
- Education Development Center (EDC), Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Alireza Malayeri
- Medicinal Plant Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Department of Pharmacology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Welty TE, Gidal BE, Duan J, Privitera MD, Berg MJ, Krebill R, Szaflarski J, Diaz FJ. Coffee and cigarette smoking interactions with lamotrigine. Epilepsy Behav 2021; 116:107741. [PMID: 33493803 DOI: 10.1016/j.yebeh.2020.107741] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 12/21/2020] [Accepted: 12/22/2020] [Indexed: 01/16/2023]
Abstract
The objective of this analysis was to determine possible interactions between lamotrigine (LTG) and coffee or cigarette use. As part of the statistical analysis of factors influencing LTG pharmacokinetics (PK) in the Equigen chronic dose study, we collected prospective data from enrolled patients on their use of coffee and cigarettes. Subjects were part of a crossover replication study of generic LTG products with rigorous blood sampling and were instructed to not change their typical consumption of these products for the duration of the study. A total of 35 subjects were enrolled, with 33 subjects having sufficient data for analysis. Higher consumption of coffee was associated with a significantly lower area under the curve (AUC) and maximum concentration (Cmax) of lamotrigine (LTG). Higher cigarette use did not result in a significant change in AUC or Cmax. Coffee, but not cigarette use, either induces LTG metabolism or inhibits LTG absorption.
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Affiliation(s)
- Timothy E Welty
- College of Pharmacy and Health Sciences, Drake University, Des Moines, IA, USA.
| | - Barry E Gidal
- School of Pharmacy, University of Wisconsin, Madison, WI, USA
| | - Jiawei Duan
- Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA
| | | | - Michel J Berg
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Ron Krebill
- School of Medicine, University of Kansas Medical Center, Kansas City, KA, USA
| | - Jerzy Szaflarski
- School of Medicine, University of Alabama Birmingham, Birmingham, AL, USA
| | - Francisco J Diaz
- School of Medicine, University of Kansas Medical Center, Kansas City, KA, USA
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Shiraishi C, Matsuda H, Ogura T, Iwamoto T. Factors affecting serum phenobarbital concentration changes in pediatric patients receiving elixir and powder formulations. J Pharm Health Care Sci 2021; 7:7. [PMID: 33526089 PMCID: PMC7852295 DOI: 10.1186/s40780-021-00190-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 01/13/2021] [Indexed: 11/25/2022] Open
Abstract
Background Phenobarbital (PB) is commonly used as elixir and powder formulations in pediatric care. Its dose adjustment is performed based on individual drug concentration monitoring. Few studies have comprehensively analyzed the variation factors for serum PB concentration. In this study, we retrospectively investigated the factors that influence serum PB concentration and assessed the impacts of dosage formulation and administration route. Methods This retrospective cohort study covered clinical data from January 2007 to September 2019 at Mie University Hospital. The present study included 60 pediatric patients administered the elixir and powder of PB through oral route and enteral tube. Simple and multiple linear regression analyses were performed to identify the risk factors that affect the weight-corrected PB serum concentration/dose (C/D) ratio in pediatric patients. Six subgroups were also established according to the concomitant use of drugs that potentially inhibit PB metabolism, dosage formulation, and administration route to investigate the difference in the PB C/D ratio among the subgroups. Results A significant regression equation to predict the PB C/D ratio was found through simple and multiple linear regression analyses, with an adjusted coefficient of determination of 0.53 (p < 0.001). Further, the concomitant uses of valproic acid (VPA) or amiodarone, which were the only two drugs seen in this study as potential inhibitors of PB, was found to have the greatest effect on the PB C/D ratio (standardized partial regression coefficient (β) = 0.543, p < 0.001). Furthermore, a significant difference in the PB C/D ratio was found between the subgroups classified by the concomitant use of VPA or amiodarone (p = 0.002). However, there were no significant correlations between the PB C/D ratio, dosage formulation, and administration route. Conclusions The most influential factor on the PB C/D ratio was the concomitant use of VPA or amiodarone with PB. This result could provide an important perspective in pediatric drug therapy where elixir and powder formulations are administered via the oral route and enteral tube.
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Affiliation(s)
- Chihiro Shiraishi
- Department of Pharmacy, Mie University Hospital, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Hiroko Matsuda
- Department of Pharmacy, Mie University Hospital, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Toru Ogura
- Clinical Research Support Center, Mie University Hospital, Tsu, Japan
| | - Takuya Iwamoto
- Department of Pharmacy, Mie University Hospital, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan.
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Faravelli I, Velardo D, Podestà MA, Ponticelli C. Immunosuppression-related neurological disorders in kidney transplantation. J Nephrol 2021; 34:539-555. [PMID: 33481222 PMCID: PMC8036223 DOI: 10.1007/s40620-020-00956-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 12/27/2020] [Indexed: 01/06/2023]
Abstract
A large number of neurological disorders can affect renal transplant recipients, potentially leading to disabling or life-threatening complications. Prevention, early diagnosis and appropriate management of these conditions are critical to avoid irreversible lesions. A pivotal role in the pathogenesis of common post-transplant neurological disorders is played by immunosuppressive therapy. The most frequently administered regimen consists of triple immunosuppression, which comprises a calcineurin inhibitor (CNI), a purine synthesis inhibitor and glucocorticoids. Some of these immunosuppressive drugs may lead to neurological signs and symptoms through direct neurotoxic effects, and all of them may be responsible for the development of tumors or opportunistic infections. In this review, after a brief summary of neurotoxic pathogenetic mechanisms encompassing recent advances in the field, we focus on the clinical presentation of more common and severe immunosuppression-related neurological complications, classifying them by characteristics of urgency and anatomic site. Our goal is to provide a general framework that addresses such clinical issues with a multidisciplinary approach, as these conditions require.
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Affiliation(s)
- Irene Faravelli
- Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), Dino Ferrari Centre, Università degli Studi di Milano, Milan, Italy.
| | - Daniele Velardo
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Manuel Alfredo Podestà
- Renal Division, ASST Santi Paolo e Carlo, Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
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Hernández-Jerónimo MDR, Chehue-Romero A, Olvera-Hernández EG, Reyes-Hernández I, Bermúdez-Camps IB, Ruíz-Anaya ME, Robles-Piedras AL. Evaluation of the Appropriateness of Valproic Acid-Levels Monitoring in Mexican Pediatric Patients. ARCHIVES OF PHARMACY PRACTICE 2021. [DOI: 10.51847/rztvwrci1k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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50
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Lattanzi S, Canafoglia L, Canevini MP, Casciato S, Chiesa V, Dainese F, De Maria G, Didato G, Falcicchio G, Fanella M, Ferlazzo E, Fisco G, Gangitano M, Giallonardo AT, Giorgi FS, La Neve A, Mecarelli O, Montalenti E, Piazza F, Pulitano P, Quarato PP, Ranzato F, Rosati E, Tassi L, Di Bonaventura C. Adjunctive Brivaracetam in Focal Epilepsy: Real-World Evidence from the BRIVAracetam add-on First Italian netwoRk STudy (BRIVAFIRST). CNS Drugs 2021; 35:1289-1301. [PMID: 34476770 PMCID: PMC8642333 DOI: 10.1007/s40263-021-00856-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/09/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND In randomized controlled trials, add-on brivaracetam (BRV) reduced seizure frequency in patients with drug-resistant focal epilepsy. Studies performed in a naturalistic setting are a useful complement to characterize the drug profile. OBJECTIVE This multicentre study assessed the effectiveness and tolerability of adjunctive BRV in a large population of patients with focal epilepsy in the context of real-world clinical practice. METHODS The BRIVAFIRST (BRIVAracetam add-on First Italian netwoRk STudy) was a retrospective, multicentre study including adult patients prescribed adjunctive BRV. Patients with focal epilepsy and 12-month follow-up were considered. Main outcomes included the rates of seizure-freedom, seizure response (≥ 50% reduction in baseline seizure frequency), and treatment discontinuation. The incidence of adverse events (AEs) was also considered. Analyses by levetiracetam (LEV) status and concomitant use of strong enzyme-inducing antiseizure medications (EiASMs) and sodium channel blockers (SCBs) were performed. RESULTS A total of 1029 patients with a median age of 45 years (33-56) was included. At 12 months, 169 (16.4%) patients were seizure-free and 383 (37.2%) were seizure responders. The rate of seizure freedom was 22.3% in LEV-naive patients, 7.1% in patients with prior LEV use and discontinuation due to insufficient efficacy, and 31.2% in patients with prior LEV use and discontinuation due to AEs (p < 0.001); the corresponding values for ≥ 50% seizure frequency reduction were 47.9%, 29.7%, and 42.8% (p < 0.001). There were no statistically significant differences in seizure freedom and seizure response rates by use of strong EiASMs. The rates of seizure freedom (20.0% vs. 16.6%; p = 0.341) and seizure response (39.7% vs. 26.9%; p = 0.006) were higher in patients receiving SCBs than those not receiving SCBs; 265 (25.8%) patients discontinued BRV. AEs were reported by 30.1% of patients, and were less common in patients treated with BRV and concomitant SCBs than those not treated with SCBs (28.9% vs. 39.8%; p = 0.017). CONCLUSION The BRIVAFIRST provided real-world evidence on the effectiveness of BRV in patients with focal epilepsy irrespective of LEV history and concomitant ASMs, and suggested favourable therapeutic combinations.
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Affiliation(s)
- Simona Lattanzi
- Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Via Conca 71, 60020, Ancona, Italy.
| | - Laura Canafoglia
- Department of Epileptology, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Maria Paola Canevini
- Epilepsy Center, Child Neuropsychiatry Unit, AAST Santi Paolo Carlo, Milan, Italy ,Department of Health Sciences, Università degli Studi, Milan, Italy
| | | | - Valentina Chiesa
- Epilepsy Center, Child Neuropsychiatry Unit, AAST Santi Paolo Carlo, Milan, Italy
| | | | - Giovanni De Maria
- Clinical Neurophysiology Unit, Epilepsy Center, Spedali Civili, Brescia, Italy
| | - Giuseppe Didato
- Epilepsy Unit, Fondazione IRCCS Istituto Neurologico “Carlo Besta”, Milan, Italy
| | - Giovanni Falcicchio
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University Hospital of Bari “A. Moro”, Bari, Italy
| | - Martina Fanella
- Department of Human Neurosciences, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - Edoardo Ferlazzo
- Department of Medical and Surgical Sciences, Magna Græcia University of Catanzaro, Catanzaro, Italy
| | - Giacomo Fisco
- Department of Human Neurosciences, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - Massimo Gangitano
- Department of Biomedicine, Neuroscience, and advanced Diagnostic (BIND), University of Palermo, Palermo, Italy
| | - Anna Teresa Giallonardo
- Department of Human Neurosciences, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - Filippo Sean Giorgi
- Department of Translational Research on New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy ,Neurology Unit, Pisa University Hospital, Pisa, Italy
| | - Angela La Neve
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University Hospital of Bari “A. Moro”, Bari, Italy
| | - Oriano Mecarelli
- Department of Human Neurosciences, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - Elisa Montalenti
- Epilepsy Center, AOU Città della Salute e della Scienza di Torino, Turin, Italy
| | - Federico Piazza
- Department of Neurosciences, Rita Levi Montalcini, University of Turin, Turin, Italy
| | - Patrizia Pulitano
- Department of Human Neurosciences, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | | | - Federica Ranzato
- Epilepsy Center, UOC Neurology, AULSS, 8 Vicenza, Vicenza, Italy
| | - Eleonora Rosati
- Department Neurology 2, Careggi University Hospital, Florence, Italy
| | - Laura Tassi
- C. Munari” Epilepsy Surgery Centre, Niguarda Hospital, Milan, Italy
| | - Carlo Di Bonaventura
- Department of Human Neurosciences, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
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