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Rosell-Hidalgo A, Eakins J, Walker P, Moore AL, Ghafourian T. Risk Assessment of Psychotropic Drugs on Mitochondrial Function Using In Vitro Assays. Biomedicines 2023; 11:3272. [PMID: 38137493 PMCID: PMC10741027 DOI: 10.3390/biomedicines11123272] [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: 11/12/2023] [Revised: 11/30/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
Mitochondria are potential targets responsible for some drug- and xenobiotic-induced organ toxicities. However, molecular mechanisms of drug-induced mitochondrial toxicities are mostly unknown. Here, multiple in vitro assays were used to investigate the effects of 22 psychotropic drugs on mitochondrial function. The acute extracellular flux assay identified inhibitors of the electron transport chain (ETC), i.e., aripiprazole, phenytoin, and fluoxetine, an uncoupler (reserpine), substrate inhibitors (quetiapine, carbamazepine, buspirone, and tianeptine), and cytotoxic compounds (chlorpromazine and valproic acid) in HepG2 cells. Using permeabilized HepG2 cells revealed minimum effective concentrations of 66.3, 6730, 44.5, and 72.1 µM for the inhibition of complex-I-linked respiration for quetiapine, valproic acid, buspirone, and fluoxetine, respectively. Assessing complex-II-linked respiration in isolated rat liver mitochondria revealed haloperidol is an ETC inhibitor, chlorpromazine is an uncoupler in basal respiration and an ETC inhibitor under uncoupled respiration (IC50 = 135 µM), while olanzapine causes a mild dissipation of the membrane potential at 50 µM. This research elucidates some mechanisms of drug toxicity and provides some insight into their safety profile for clinical drug decisions.
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Affiliation(s)
- Alicia Rosell-Hidalgo
- Cyprotex Discovery Ltd., No. 24 Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, UK; (A.R.-H.); (J.E.)
| | - Julie Eakins
- Cyprotex Discovery Ltd., No. 24 Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, UK; (A.R.-H.); (J.E.)
| | - Paul Walker
- Cyprotex Discovery Ltd., No. 24 Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, UK; (A.R.-H.); (J.E.)
| | - Anthony L. Moore
- Department of Biochemistry and Biomedicine, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QG, UK;
| | - Taravat Ghafourian
- Department of Pharmaceutical Sciences, Barry & Judy Silverman College of Pharmacy, Nova Southeastern University, 3200 South University Drive, Ft. Lauderdale, FL 33328-2018, USA
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pH-induced homogeneous liquid-liquid microextraction method based on new switchable deep eutectic solvent for the extraction of three antiepileptic drugs from breast milk. Bioanalysis 2021; 13:1087-1099. [PMID: 34275330 DOI: 10.4155/bio-2021-0067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Aim: A pH-induced homogeneous liquid-liquid microextraction (HLLME) using a new switchable deep eutectic solvent has been used for the extraction of three antiepileptic drugs from breast milk samples. Methodology: This method is based on phase separation by changing pH. An ammonia solution and a phosphocholine chloride: hexanoic acid: p-aminophenol deep eutectic solvents were used as the phase separation agent and extraction solvent, respectively. Results: Significant factors were studied and the detection limits and enrichment factors were in the ranges of 0.009-0.19 ng ml-1 and 182-212 for the analytes, respectively. Also, linear ranges were wide (0.63-500 ng ml-1) and the method precision was acceptable. Conclusion: The introduced method was successfully applied for the determination of the analyte concentrations in breast milk samples.
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EL-Houssini OM, Zawilla NH, Mohammad MAA. Validated RP-LC Methods for Investigating the Degradation Behavior of Acefylline: Application for Analysis in Two Binary Mixtures. CURR PHARM ANAL 2021. [DOI: 10.2174/1573412916999200423102505] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Acefylline (Acef) is a derivative of theophylline that has bronchodilator effects. Two binary
mixtures were marketed for Acef: Acefylline piperazine/ Phenobarbitone (Acef-P/Phen) and Acefylline
heptaminol/ Cinnarizine (Acef-H/ Cinn). To our knowledge none of the reported methods had the capacity to
determine Acef in its binary mixture in presence of its degradation products and potential impurity theophylline
(Theo).
Methods:
Two validated RP-LC methods were established for the determination of Acef-P/Phen and Acef-H/
Cinn in presence of Acef degradation products and its potential impurity Theo. A complete study of the forced
acidic, alkaline and oxidative degradation of Acef was presented. The methods were based on LC separation on
RP C18 columns using isocratic and gradient elution for Acef-P /Phen and Acef-H /Cinn mixtures, respectively.
Different chromatographic conditions were examined and optimized.
Results:
Linear responses were attained over concentration ranges of 75-500/15-1000 μg/mL and 100-1000 /50-
500 μg/mL with mean percentage recoveries of (100.72±1.23)%/ (99.29±1.12)% and (100.44±1.27)%/
(99.01±0.97)% for Acef-P/Phen and Acef-H /Cinn, respectively. ICH guidelines were used for methods
validation and all parameters were found to be acceptable.
Conclusion:
The methods showed to be accurate, precise and specific for the analysis of Acef-P/Phen and AcefH /Cinn in drug substance, drug product and in laboratory prepared mixtures in presence of Theo and up to 50%
of degradation products. The structures of the main degradation products and the expected degradation pathway
were suggested using the MS data.
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Affiliation(s)
- Ola Mohamed EL-Houssini
- National Organization for Drug Control and Research (NODCAR), 51 wezaret El- Zeraa Street, Agouza. P.O. Box 12553 Giza 35521, Egypt
| | - Nagwan Hamdi Zawilla
- National Organization for Drug Control and Research (NODCAR), 51 wezaret El- Zeraa Street, Agouza. P.O. Box 12553 Giza 35521, Egypt
| | - Mohammad Abdul-Azim Mohammad
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El Aini Street, Cairo 11562, Egypt
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De Vries MC, Brown DA, Allen ME, Bindoff L, Gorman GS, Karaa A, Keshavan N, Lamperti C, McFarland R, Ng YS, O'Callaghan M, Pitceathly RDS, Rahman S, Russel FGM, Varhaug KN, Schirris TJJ, Mancuso M. Safety of drug use in patients with a primary mitochondrial disease: An international Delphi-based consensus. J Inherit Metab Dis 2020; 43:800-818. [PMID: 32030781 PMCID: PMC7383489 DOI: 10.1002/jimd.12196] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 11/18/2019] [Accepted: 11/19/2019] [Indexed: 12/29/2022]
Abstract
Clinical guidance is often sought when prescribing drugs for patients with primary mitochondrial disease. Theoretical considerations concerning drug safety in patients with mitochondrial disease may lead to unnecessary withholding of a drug in a situation of clinical need. The aim of this study was to develop consensus on safe medication use in patients with a primary mitochondrial disease. A panel of 16 experts in mitochondrial medicine, pharmacology, and basic science from six different countries was established. A modified Delphi technique was used to allow the panellists to consider draft recommendations anonymously in two Delphi rounds with predetermined levels of agreement. This process was supported by a review of the available literature and a consensus conference that included the panellists and representatives of patient advocacy groups. A high level of consensus was reached regarding the safety of all 46 reviewed drugs, with the knowledge that the risk of adverse events is influenced both by individual patient risk factors and choice of drug or drug class. This paper details the consensus guidelines of an expert panel and provides an important update of previously established guidelines in safe medication use in patients with primary mitochondrial disease. Specific drugs, drug groups, and clinical or genetic conditions are described separately as they require special attention. It is important to emphasise that consensus-based information is useful to provide guidance, but that decisions related to drug prescribing should always be tailored to the specific needs and risks of each individual patient. We aim to present what is current knowledge and plan to update this regularly both to include new drugs and to review those currently included.
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Affiliation(s)
- Maaike C. De Vries
- Radboudumc Amalia Children's HospitalRadboud Center for Mitochondrial MedicineNijmegenThe Netherlands
| | - David A. Brown
- Department of Human Nutrition, Foods, and Exercise and the Virginia Tech Center for Drug DiscoveryVirginia TechBlacksburgVirginia
| | - Mitchell E. Allen
- Department of Human Nutrition, Foods, and Exercise and the Virginia Tech Center for Drug DiscoveryVirginia TechBlacksburgVirginia
| | - Laurence Bindoff
- Department of Clinical MedicineUniversity of BergenBergenNorway
- Department of NeurologyHaukeland University HospitalBergenNorway
| | - Gráinne S. Gorman
- Wellcome Centre for Mitochondrial Research, Institute of NeuroscienceNewcastle UniversityNewcastle upon TyneUK
- The Newcastle upon Tyne Hospitals NHS Foundation TrustNewcastle upon TyneUK
| | - Amel Karaa
- Genetics Unit, Massachusetts General HospitalHarvard Medical SchoolBostonMassachusetts
| | - Nandaki Keshavan
- Mitochondrial Research GroupUCL Great Ormond Street Institute of Child HealthLondonUK
- Metabolic UnitGreat Ormond Street Hospital NHS Foundation TrustLondonUK
| | - Costanza Lamperti
- Unit of Medical Genetics and NeurogeneticsFondazione IRCCS Istituto Neurologico Carlo BestaMilanItaly
| | - Robert McFarland
- Wellcome Centre for Mitochondrial Research, Institute of NeuroscienceNewcastle UniversityNewcastle upon TyneUK
- The Newcastle upon Tyne Hospitals NHS Foundation TrustNewcastle upon TyneUK
| | - Yi Shiau Ng
- Wellcome Centre for Mitochondrial Research, Institute of NeuroscienceNewcastle UniversityNewcastle upon TyneUK
- The Newcastle upon Tyne Hospitals NHS Foundation TrustNewcastle upon TyneUK
| | - Mar O'Callaghan
- Department of Neurology, Metabolic UnitHospital Sant Joan de DéuBarcelonaSpain
- CIBERERInstituto de Salud Carlos IIIBarcelonaSpain
| | - Robert D. S. Pitceathly
- Department of Neuromuscular DiseasesUCL Queen Square Institute of Neurology and The National Hospital for Neurology and NeurosurgeryLondonUK
| | - Shamima Rahman
- Mitochondrial Research GroupUCL Great Ormond Street Institute of Child HealthLondonUK
- Metabolic UnitGreat Ormond Street Hospital NHS Foundation TrustLondonUK
| | - Frans G. M. Russel
- Department of Pharmacology and ToxicologyRadboud Institute for Molecular Life Sciences, Radboud Center for Mitochondrial Medicine, RadboudumcNijmegenThe Netherlands
| | - Kristin N. Varhaug
- Department of Clinical MedicineUniversity of BergenBergenNorway
- Department of NeurologyHaukeland University HospitalBergenNorway
| | - Tom J. J. Schirris
- Department of Pharmacology and ToxicologyRadboud Institute for Molecular Life Sciences, Radboud Center for Mitochondrial Medicine, RadboudumcNijmegenThe Netherlands
| | - Michelangelo Mancuso
- Department of Clinical and Experimental Medicine, Neurological InstituteUniversity of PisaPisaItaly
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Ohtani H, Nakamura K, Imaoka A, Akiyoshi T. Novel method to estimate the appropriate dosing interval for activated charcoal to avoid interaction with other drugs. Eur J Clin Pharmacol 2020; 76:1529-1536. [PMID: 32556909 DOI: 10.1007/s00228-020-02931-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: 03/02/2020] [Accepted: 06/05/2020] [Indexed: 11/30/2022]
Abstract
PURPOSE Activated charcoal is known to adsorb a variety of drugs concomitantly administered and reduce their intestinal absorption, and separating the dosing is considered a practical approach to avoid this drug interaction. The aim of the present study was to develop and validate a simple method to estimate the sufficient dosing interval to avoid drug interaction using the pharmacokinetic profile of the subject drugs administered alone and the amplitude of interaction upon simultaneous administration with activated charcoal. METHODS For each subject drug, the pharmacokinetic profile and the amplitude of interaction, as assessed by AUCR (the ratio of area under the plasma concentration-time curve (AUC) in the presence of activated charcoal to that in its absence), were collected from previous reports. The AUCR value was estimated based on the compartment model under the assumption that the subject drug in the first gastrointestinal compartment is immediately adsorbed to a certain extent upon the administration of activated charcoal. The estimated AUCR (AUCRe) for each drug with certain dosing interval was compared with the respective AUCR value reported previously (AUCRobs). RESULTS Among twenty concentration profiles for 14 subject drugs obtained from previous reports, 15 AUCRe values fell in the range of 80-120% of the respective AUCRobs values. CONCLUSION The developed method enabled estimation of the amplitude of DDI by activated charcoal administered in a certain dosing interval, whereas overestimation of AUCRe was observed for drugs that undergo extensive enterohepatic circulation.
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Affiliation(s)
- Hisakazu Ohtani
- Division of Clinical Pharmacokinetics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512, Japan.
| | - Kota Nakamura
- Division of Clinical Pharmacokinetics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512, Japan
| | - Ayuko Imaoka
- Division of Clinical Pharmacokinetics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512, Japan
| | - Takeshi Akiyoshi
- Division of Clinical Pharmacokinetics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512, Japan
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Tablet Splitting of Antiepileptic Drugs in Pediatric Epilepsy: Potential Effect on Plasma Drug Concentrations. Paediatr Drugs 2016; 18:451-463. [PMID: 27704404 DOI: 10.1007/s40272-016-0193-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Tablet splitting is the process of dividing a tablet into portions to obtain a prescribed dose of medication. Very few studies have investigated whether split parts of a tablet deliver the expected amount of drug to patients. OBJECTIVE Our objectives were to evaluate the split parts of adult-dose tablet formulations for percentage of weight deviation, weight uniformity, weight loss, drug content, and the content uniformity of four antiepileptic drugs (AEDs) prescribed to pediatric patients. We also measured AED plasma concentrations in the children. METHODS We chose to study first-line AEDs (phenytoin sodium [PHE], sodium valproate [SVA], carbamazepine, and phenobarbitone) as they are routinely prescribed in India. We asked caregivers to perform the same splitting process they follow in their homes on three whole tablets during their routine visit to the outpatient department. After caregivers split the tablets, we studied the weight and content of the split parts. We also used high-performance liquid chromatography to study plasma drug concentrations in children who had received split AEDs for at least 4 months. RESULTS A total of 168 caregivers participated in the study, and we analyzed 1098 split tablet parts. In total, 539 (49.0 %) split parts were above the specified limit of the 2010 Indian Pharmacopeia (IP) acceptable percentage weight deviation (PHE 169 [48.8 %], SVA 187 [51.9 %], carbamazepine 56 [41.1 %], phenobarbitone 127 [49.6 %]); 456 (41.5 %) split parts were outside the proxy IP specification for drug content (PHE 135 [39.0 %], SVA 140 [38.8 %], carbamazepine 51 [37.5 %], phenobarbitone 130 [50.7 %]), and 253 split parts were outside the acceptable content uniformity range of <85 % and >115 % (PHE 85 [24.5 %], SVA 98 [27.2 %], carbamazepine 14 [10.2 %], phenobarbitone 56 [21.8 %]). In total, 130 (72.2 %) patients had plasma drug concentrations outside the therapeutic range (PHE 36 [72.0 %], SVA 39 [78.0 %], carbamazepine 34 [68.0 %], phenobarbitone 21 [70.0 %]). CONCLUSIONS Splitting adult-dosage formulations of AEDs results in patients not receiving the optimal dose. Plasma drug concentrations are also not optimal. Pediatric dosage formulations should be preferred to splitting adult-dosage formulations in pediatric epilepsy.
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Figueiredo KA, Neves JKO, Silva JAD, Freitas RMD, Carvalho ALM. Phenobarbital loaded microemulsion: development, kinetic release and quality control. BRAZ J PHARM SCI 2016. [DOI: 10.1590/s1984-82502016000200003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT This study aimed to obtain and characterize a microemulsion (ME) containing phenobarbital (PB). The PB was incorporated in the proportion of 5% and 10% in a microemulsion system containing Labrasol(r), ethanol, isopropyl myristate and purified water. The physicochemical characterization was performed and the primary stability of the ME was evaluated. An analytical method was developed using spectrophotometry in UV = 242 nm. The kinetics of the in vitro release (Franz model) of the ME and the emulsion (EM) containing PB was evaluated. The incorporation of PB into ME at concentrations of 5 and 10% did not change pH and resistance to centrifugation. There was an increase in particle size, a decrease of conductivity and a change in the refractive index in relation to placebo ME. The ME remained stable in preliminary stability tests. The analytical method proved to be specific, linear, precise, accurate and robust. Regarding the kinetics of the in vitro release, ME obtained an in vitro release profile greater than the EM containing PB. Thus, the obtained ME has a potential for future transdermal application, being able to compose a drug delivery system for the treatment of epilepsy.
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Figueiredo KA, Medeiros SC, Neves JKO, da Silva JA, da Rocha Tomé A, Carvalho ALM, de Freitas RM. In vivo evaluation of anticonvulsant and antioxidant effects of phenobarbital microemulsion for transdermal administration in pilocarpine seizure rat model. Pharmacol Biochem Behav 2015; 131:6-12. [PMID: 25620677 DOI: 10.1016/j.pbb.2015.01.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 12/12/2014] [Accepted: 01/13/2015] [Indexed: 11/28/2022]
Abstract
This study aimed to evaluate a microemulsion system (ME) containing phenobarbital in epilepsy model induced by pilocarpine in rats and to oxidative stress and histologic lesions in hippocampus. The microemulsion was applied to the shaved back of Wistar rats. The animals were divided into the following groups: control group (P400); ME50 40mg/kg, topically-t.p.; ME100, 40mg/kg, t.p.; EM50, 40mg/kg, t.p.; phenobarbital solution 40mg/kg (PS), oral. After 60min, behavioral changes were evaluated for 1h in the model of epileptical crisis induced by pilocarpine. Phenobarbital in microemulsion was able to increase the latency for status epilepticus (SE) (p<0.05), decrease the number of epileptical crisis (ME50: p<0.001; ME100: p<0.01) and decrease mortality rate by 80% compared to P400. In EM50 and PS groups, deaths were decreased by 53.3% and 100% respectively. The ME50 and ME100 groups were able to reduce oxidative stress in experimental animals when compared to the P400. The microemulsion was still capable of reducing neuronal damage in the hippocampal areas. The results of this study come in an innovative way, demonstrating the ability of transdermal ME50 and ME100 to reduce pilocarpine-induced epileptical crisis, oxidative stress, besides neuronal damages.
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Affiliation(s)
- Kayo Alves Figueiredo
- Department of Health, Federal Institute of Education, Science and Technology of Piauí, Campus Teresina Central, Teresina, PI, Brazil
| | - Shirlene Cesário Medeiros
- Laboratory of Experimental Neurochemistry Research, Federal University of Piauí, Teresina, PI, Brazil
| | | | | | - Adriana da Rocha Tomé
- Laboratory of Physiology, Faculty of Veterinary, State University of Ceará, Campus Itaperi, Fortaleza, CE, Brazil
| | | | - Rivelilson Mendes de Freitas
- Laboratory of Experimental Neurochemistry Research, Federal University of Piauí, Teresina, PI, Brazil; College of Pharmacy, Federal University of Piauí, Campus Minister Petronio Portela, Teresina, PI, Brazil.
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Hashem H, Gouda AA, Saleh H. DEVELOPMENT AND VALIDATION OF RAPID STABILITY INDICATING HPLC-DETERMINATIONS OF ANTIEPILEPTIC DRUGS PHENOBARBITAL IN SUPPOSITORIES AND PHENYTOIN IN CAPSULES AS WELL AS IN URINE SAMPLE. J LIQ CHROMATOGR R T 2013. [DOI: 10.1080/10826076.2012.720329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Hisham Hashem
- a Pharmaceutical Analytical Chemistry Department , Zagazig University , Egypt
- b Pharmaceutical Chemistry Department , Jazan University , Saudi Arabia
| | - Ayman A. Gouda
- c Department of Medical Science , Umm Al-Qura University , Makkah , Saudi Arabia
- d Chemistry Department , Zagazig University , Zagazig , Egypt
| | - Hanaa Saleh
- a Pharmaceutical Analytical Chemistry Department , Zagazig University , Egypt
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