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Hamsa A, Karumandampalayam Shanmugaramasamy K, Kariyarambath P, Kathirvel S. Quetiapine Fumarate: A Review of Analytical Methods. J Chromatogr Sci 2023; 61:892-906. [PMID: 36519755 DOI: 10.1093/chromsci/bmac100] [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: 02/17/2022] [Indexed: 11/11/2023]
Abstract
Atypical antipsychotics are newer second-generation antipsychotics with weak dopamine type 2 blocking but potent 5-HT2 antagonistic activity. They are considered first-line treatments for schizophrenia and gradually replace typical antipsychotics. Extrapyramidal side effects are minimal, and they tend to improve impaired cognitive function in psychotics. Quetiapine fumarate is an atypical antipsychotic drug used to treat schizophrenia, mania and depression in people with bipolar disorder combined with other drugs or alone. Quetiapine was developed in 1985 and approved for medical use in the USA in 1997. Thorough computer-aided literature, surveys revealed that numerous analytical methods were reported over the years. The present study reviews analytical methods with their validation parameters published during the last 22 years (1999-2021) either as a single entity or combination in dosage form, and determination from biological samples. Novel strategies for increasing separation quality, such as QbD analysis and green spectroscopy, were discovered during the evaluation, and this review can be utilized for further research reference.
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Affiliation(s)
- Ahsaana Hamsa
- Department of Pharmaceutical Analysis, National College of Pharmacy, Manassery, Mukkam Post, Kozhikode, Kerala 673602, India
| | | | - Praseetha Kariyarambath
- Department of Pharmaceutical Analysis, National College of Pharmacy, Manassery, Mukkam Post, Kozhikode, Kerala 673602, India
| | - Singaram Kathirvel
- Department of Pharmaceutical Analysis, National College of Pharmacy, Manassery, Mukkam Post, Kozhikode, Kerala 673602, India
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Abdel-Bar HM, Tulbah AS, Darwish HW, Salama R, Naguib IA, Yassin HA, Abo El-Enin HA. Quetiapine Albumin Nanoparticles as an Efficacious Platform for Brain Deposition and Potentially Improved Antipsychotic Activity. Pharmaceutics 2023; 15:1785. [PMID: 37513972 PMCID: PMC10385742 DOI: 10.3390/pharmaceutics15071785] [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: 05/18/2023] [Revised: 06/10/2023] [Accepted: 06/19/2023] [Indexed: 07/30/2023] Open
Abstract
Quetiapine (QP) is a second-generation short-acting antipsychotic drug extensively metabolized in the liver, producing pharmacologically inactive metabolites and leading to diminished bioavailability. Therefore, this study aimed to develop an intravenous QP albumin nanoparticles (NPs) system for improving QP antipsychotic activity and brain targeting. QP-loaded albumin NPs were prepared by the desolvation method. The fabricated NPs were characterized in terms of particle size, zeta potential, entrapment efficiency (EE%), and in vitro drug release. In vivo pharmacokinetics and biodistribution in rats were studied. In addition, the antipsychotic activity of the optimized platform was also investigated. Human serum albumin (HSA) concentration, pH, and stirring time were modulated to optimize QP albumin NPs with a particle size of 103.54 ± 2.36 nm and a QP EE% of 96.32 ± 3.98%. In addition, the intravenous administration of QP albumin NPs facilitated QP brain targeting with a 4.9-fold increase in targeting efficiency compared to the oral QP solution. The QP albumin NPs improved the QP antipsychotic activity, indicated by suppressing rats' hypermobility and reducing the QP's extrapyramidal side effects. The obtained results proposed that intravenous QP- NPs could improve QP brain targeting and its antipsychotic efficiency.
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Affiliation(s)
- Hend Mohamed Abdel-Bar
- Department of Pharmaceutics, Faculty of Pharmacy, University of Sadat City, Sadat City 32897, Egypt
- Institute of Pharmaceutical Science, Faculty of Life Sciences & Medicine, King's College London, London SE1 9NH, UK
| | - Alaa S Tulbah
- Department of Pharmaceutics, College of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Hany W Darwish
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Rania Salama
- Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, NSW 2109, Australia
- Woolcock Institute of Medical Research, Glebe, NSW 2037, Australia
| | - Ibrahim A Naguib
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, Taif 21944, Saudi Arabia
| | - Heba A Yassin
- Department of Pharmaceutics, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City 11829, Egypt
| | - Hadel A Abo El-Enin
- Department of Pharmaceutics, National Organization of Drug Control and Research (NODCAR) (Previously), Egyptian Drug Authority (Currently), Giza 12511, Egypt
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Rahman H, Haque SM, Siddiqui MR. A Comprehensive Review on Importance and Quantitation of Atypical Antipsychotic Drugs and their Active Metabolites in Commercial Dosage Forms. CURR PHARM ANAL 2020. [DOI: 10.2174/1573412915666190328214323] [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]
Abstract
Background:
Schizophrenia is a severe mental illness that affects more than twenty-one
million people throughout the world. Schizophrenia also causes early death. Schizophrenia and other
related psychotic ailments are controlled by the prescription of antipsychotic drugs, which act by blocking
certain chemical receptors in the brain and thus relieves the symptoms of psychotic disorder. These
drugs are present in the different dosage forms in the market and provided in a certain amount as per the
need of the patients.
Objective:
Since such medications treat mental disorders, it is very important to have a perfect and accurate
dose so that the risk factor is not affected by a higher or lower dose, which is not sufficient for
the treatment. For accurate assay of these kinds of drugs, different analytical methods were developed
ranging from older spectrophotometric techniques to latest hyphenated methods.
Results:
The current review highlights the role of different analytical techniques that were employed in
the determination and identification of antipsychotic drugs and their metabolites. Techniques such as
spectrophotometry, fluorimetry, liquid chromatography, liquid chromatography-mass spectrometry, gas
chromatography, and gas chromatography-mass spectrometry employed in the method development of
such antipsychotic drugs were reported in the review. Different metabolites, identified using the hyphenated
techniques, were also mentioned in the review. The synthesis pathways of few of the metabolites
were mentioned.
Conclusion:
The review summarizes the analyses of different antipsychotic drugs and their metabolites.
A brief introduction of illnesses and their symptoms and possible medications were highlighted. Synthesis
pathways of the associated metabolites were also mentioned.
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Affiliation(s)
- Habibur Rahman
- Department of General Studies, Jubail Industrial College, P.O. Box No. 10099, Zip Code–31961, Jubail, Saudi Arabia
| | - S.K. Manirul Haque
- Department of Chemical & Process Engineering Technology, Jubail Industrial College, P.O. Box No 10099, Zip Code- 31961, Jubail, Saudi Arabia
| | - Masoom Raza Siddiqui
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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Sikora J, Podsiedlik M, Pietras T, Kosmalski M, Matłoka M, Moszczyński-Petkowski R, Wieczorek M, Markowicz-Piasecka M. Quetiapine and novel PDE10A inhibitors potentiate the anti-BuChE activity of donepezil. J Enzyme Inhib Med Chem 2020; 35:1743-1750. [PMID: 32938236 PMCID: PMC7534323 DOI: 10.1080/14756366.2020.1818739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The symptoms of Alzheimer’s disease (AD) do not include only memory loss and cognitive decline but also neuropsychiatric manifestation. These AD-related symptoms are usually treated with the aid of antipsychotics; however, their effects on cognition and safety remain unexplored. The present study determines the effects of quetiapine, an atypical antipsychotic, and two imidazo[1,2-a]pyrimidine-based inhibitors of PDE10A on the activity of human cholinesterases. Quetiapine moderately inhibited BuChE (IC50 = 6.08 ± 1.64 µmol/L) but improved the anti-BuChE properties of donepezil by decreasing its IC50 value. Both PDE10A inhibitors were found to possess moderate anti-AChE properties. The combined mixtures of donepezil and imidazo[1,2-a]pyrimidine analogues produce a synergistic anti-BuChE effect which was greater than either compound alone, improving the IC50 value by approximately six times. These favourable interactions between quetiapine, PDE10A inhibitors and clinically approved donepezil, resulting in improved anti-BuChE activity, can lead to a wider variety of potent AD treatment options.
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Affiliation(s)
- Joanna Sikora
- Laboratory of Bioanalysis, Department of Pharmaceutical Chemistry, Drug Analysis and Radiopharmacy, Medical University of Lodz, Lodz, Poland
| | - Maria Podsiedlik
- Department of Pharmaceutical Chemistry, Drug Analysis and Radiopharmacy, Medical University of Lodz, Lodz, Poland
| | - Tadeusz Pietras
- Department of Clinical Pharmacology, Medical University of Lodz, Lodz, Poland
| | - Marcin Kosmalski
- Department of Clinical Pharmacology, Medical University of Lodz, Lodz, Poland
| | - Mikołaj Matłoka
- Research and Development Department, Celon Pharma S.A, Łomianki, Poland
| | | | - Maciej Wieczorek
- Research and Development Department, Celon Pharma S.A, Łomianki, Poland
| | - Magdalena Markowicz-Piasecka
- Laboratory of Bioanalysis, Department of Pharmaceutical Chemistry, Drug Analysis and Radiopharmacy, Medical University of Lodz, Lodz, Poland
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Agrawal MB, Patel MM. Optimization and in vivo evaluation of quetiapine-loaded transdermal drug delivery system for the treatment of schizophrenia. Drug Dev Ind Pharm 2020; 46:1819-1831. [PMID: 32896163 DOI: 10.1080/03639045.2020.1821051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The prevailing studies were carried out to formulate and optimize the quetiapine transdermal matrix patch by the usage of Box-Behnken design for ameliorated bioavailability when contrasted with conventional drug delivery. The Box-Behnken design with three-level and three-factor was utilized to explore the intermingle impact of critical attributes on tensile strength, in vitro drug release, and flux. Optimized formulation was characterized for Fourier transform infrared, differential scanning calorimetry, in vivo pharmacokinetics, and skin irritation along with stability studies. The inference of the finalized batch (F14) depicted the flux of 51.81 ± 0.32 µg/h/cm2, TS of 6.46 ± 0.56 MPa, and the % drug release after 20 h of 82.98 ± 1.48% with no remarkable variation even after 6 months stability studies. Correlation between predicted and the observed values of the dependent variables was very closer. Optimized quetiapine transdermal patch did not exert any symptoms of skin irritation. The bioavailability of quetiapine was enhanced almost 4.59 times after topical delivery when contrasted with the conventional dosage form. The outputs of the research work divulged that the developed matrix patch of quetiapine for transdermal drug delivery can be a propitious opportunity that affords effective treatment of schizophrenia. Novelty statement The oral route is not suitable for the drugs having extensive first-pass metabolism which leads to reduced bioavailability. For the parenteral route, invasiveness causes the patient noncompliance while sterility contributes to the cost factor. Moreover, the treatment of schizophrenic patients is a challenging task for caregivers and doctors. Hence, the transdermal patch of quetiapine was developed to bypass the biotransformation of drugs and thereby to enhance the bioavailability as well as to provide sustained drug delivery which ultimately reduces the dosage frequency.
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Affiliation(s)
- Milan B Agrawal
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, India
| | - Mayur M Patel
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, India
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Derayea SM, Ahmed AB, Abdelwahab NS, Abdelrahman MM, Omar MA. Innovative spectrofluorometric protocol based on micro-environment improvement for determination of Quetiapine in dosage forms and rat plasma. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 233:118196. [PMID: 32160581 DOI: 10.1016/j.saa.2020.118196] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 02/21/2020] [Accepted: 02/23/2020] [Indexed: 06/10/2023]
Abstract
Quetiapine (QUT) is an atypical antipsychotic drug indicated for the treatment of schizophrenia and acute manic episodes associated with bipolar disorders. A simple, rapid, and highly sensitive micellar spectrofluorometric method has been developed and validated for quantitation of QUT in its pharmaceutical formulations with application to content uniformity test, in presence of its degradation product and in rat plasma. The proposed method was based on the enhancement of the fluorescence intensity of QUT in 2% v/v tween 80 micellar solution. The fluorescence intensity was measured at 372 nm after excitation at 261 nm. A linear relationship was achieved between the fluorescence intensity and the drug concentration in the range of 20-1000 ng/mL with 18.5 and 6.3 ng/mL as limits of quantitation and detection, respectively. The proposed method was extended to study the stability of QUT after its exposure to different forced degradation conditions such as; acidic, alkaline, oxidative, photolytic and thermal conditions according to ICH guidelines. The study revealed that QUT is stable under all the of these conditions except the oxidative one. Furthermore, the high sensitivity of the micellar method permits its application for determination of QUT in rat plasma with good percentage recovery as well as determination of Cmax.
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Affiliation(s)
- Sayed M Derayea
- Analytical Chemistry, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Amal B Ahmed
- Pharmaceutical Chemistry, Faculty of Pharmacy, Nahda University (NUB), Beni-Suef, Egypt.
| | - Nada S Abdelwahab
- Pharmaceutical Chemistry, Faculty of Pharmacy, Nahda University (NUB), Beni-Suef, Egypt; Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Maha M Abdelrahman
- Pharmaceutical Chemistry, Faculty of Pharmacy, Nahda University (NUB), Beni-Suef, Egypt; Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Mahmoud A Omar
- Analytical Chemistry, Faculty of Pharmacy, Minia University, Minia, Egypt; Pharmacognosy and Pharmaceutical Chemistry Department, College of Pharmacy, Taibah University, Medinah, Saudi Arabia
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Abdelwahab NS, Ahmed AB, Omar MA, Derayea SM, Abdelrahman MM. Green chromatographic methods for simultaneous determination of quetiapine and the co-administrated paroxetine in rat plasma with application to pharmacokinetic study. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104317] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Iqbal M. UHPLC-MS/MS assay using environment friendly organic solvents: A green approach for fast determination of quetiapine in rat plasma. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2014.11.039] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Huang X, Zhang S, Ma Y, Yang H, He C, Tian R, Mei H, Liu L, Zhang B. Bioequivalence of two quetiapine extended release tablets in Chinese healthy volunteers under fasting and fed conditions and effects of food on pharmacokinetic profiles. DRUG DESIGN DEVELOPMENT AND THERAPY 2018; 13:255-264. [PMID: 30643391 PMCID: PMC6319427 DOI: 10.2147/dddt.s182965] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Objective The objectives of this study were to evaluate the bioequivalence of Quesero extended release (Quesero XR) tablets and Seroquel extended release (Seroquel XR) tablets under fasting and fed conditions and to determine the effect of food on the pharmacokinetic (PK) properties of Quesero XR or Seroquel XR in Chinese healthy volunteers. Methods A single-site, randomized, open-label, two-period crossover design with a 10-day washout period was conducted in 20 subjects under the fed and fasting studies. A single oral dose of 200 mg Quesero XR or Seroquel XR was given to the subjects after an overnight fast of 10 hours. Blood samples were taken at scheduled time spots from 0 hour pre dose to 36 hours post dose. Plasma concentrations of quetiapine were measured by a validated ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method. The PK parameters were calculated by non-compartment analysis using Phoenix WinNonlin software. Results On both conditions, no significant differences were found among the main PK parameters of the two preparations by analysis of variance (P>0.05); the Wilcoxon test of maximum peak plasma concentration (Tmax) showed no significant differences (P>0.05); the 90% confidence limit (CL) of lnCmax, lnAUC0→36, and lnAUC0→∞ fell within the acceptable range of 80%–125%. As compared with the fasting state, the Tmax was advanced and the mean maximum plasma concentration (Cmax), AUC0→36, and AUC0→∞ were also increased in the fed state; the geometric mean ratio and 90% CI of the main PK parameters fell outside the range of the CIs; analysis of variance showed significant differences in the other PK parameters except for apparent total clearance after oral administration (clearance rate; P<0.05). Conclusion The two formulations of Quesero XR and Seroquel XR are bioequivalent under both fasting and fed conditions, and food may affect the PK profiles by increasing the rate and extent of absorption of Quesero XR or Seroquel XR in Chinese healthy volunteers.
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Affiliation(s)
- Xiaomei Huang
- Department of National Drug Clinical Trial Research Center, Xiangya Boai Rehabilitation Hospital, Changsha, People's Republic of China, ;
| | - Suhua Zhang
- Department of Pharmacy, The Second Xiangya Hospital of Central South University, Changsha, People's Republic of China, .,Institute of Clinical Pharmacy, Central South University, Changsha, People's Republic of China,
| | - Yanxia Ma
- Department of National Drug Clinical Trial Research Center, Xiangya Boai Rehabilitation Hospital, Changsha, People's Republic of China, ;
| | - Heng Yang
- Department of National Drug Clinical Trial Research Center, Xiangya Boai Rehabilitation Hospital, Changsha, People's Republic of China, ;
| | - Chuan He
- Department of National Drug Clinical Trial Research Center, Xiangya Boai Rehabilitation Hospital, Changsha, People's Republic of China, ;
| | - Rufang Tian
- Department of National Drug Clinical Trial Research Center, Xiangya Boai Rehabilitation Hospital, Changsha, People's Republic of China, ;
| | - Han Mei
- Department of National Drug Clinical Trial Research Center, Xiangya Boai Rehabilitation Hospital, Changsha, People's Republic of China, ;
| | - Lipeng Liu
- Department of National Drug Clinical Trial Research Center, Xiangya Boai Rehabilitation Hospital, Changsha, People's Republic of China, ;
| | - Bikui Zhang
- Department of National Drug Clinical Trial Research Center, Xiangya Boai Rehabilitation Hospital, Changsha, People's Republic of China, ; .,Department of Pharmacy, The Second Xiangya Hospital of Central South University, Changsha, People's Republic of China, .,Institute of Clinical Pharmacy, Central South University, Changsha, People's Republic of China,
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Kapse S, Ando H, Fujiwara Y, Suzuki C, Ushijima K, Kitamura H, Hosohata K, Kotani K, Shimba S, Fujimura A. Effect of a dosing-time on quetiapine-induced acute hyperglycemia in mice. J Pharmacol Sci 2017; 133:139-145. [PMID: 28279595 DOI: 10.1016/j.jphs.2017.02.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 01/25/2017] [Accepted: 02/08/2017] [Indexed: 10/20/2022] Open
Abstract
Although rare, second-generation antipsychotic drugs cause severe hyperglycemia within several days after the initiation of therapy. Because glucose tolerance exhibits circadian rhythmicity, we evaluated an effect of a dosing-time on quetiapine-induced acute hyperglycemia in mice. A single intraperitoneal dose of quetiapine dosing-time-independently induced insulin resistance in fasted C57BL/6J mice. However, acute hyperglycemic effect was detected only after dosing of the drug at the beginning of an active phase. Under the conditions in which hepatic glucose production was stimulated by pyruvate administration, hyperglycemic effect of quetiapine was dosing-time-independently observed. In addition, the dosing-time-dependent hyperglycemic effect of quetiapine disappeared in the liver-specific circadian clock-disrupted mice in which circadian rhythmicity in hepatic glucose production is deranged. Furthermore, the dosing-time had little impact on the pharmacokinetics of quetiapine in normal mice. These results suggest that quetiapine acutely causes hyperglycemia only when hepatic glucose production elevates. Therefore, quetiapine therapy with once daily dosing at a rest phase might be safer than that at an active phase. Further studies are needed to confirm the hypothesis.
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Affiliation(s)
- Snehal Kapse
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Hitoshi Ando
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Yuki Fujiwara
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Chisato Suzuki
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Kentaro Ushijima
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Hiroko Kitamura
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Keiko Hosohata
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Kazuhiko Kotani
- Division of Community and Family Medicine, Center for Community Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Shigeki Shimba
- Department of Health Science, School of Pharmacy, Nihon University, Funabashi, Japan
| | - Akio Fujimura
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Shimotsuke, Japan.
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Carreño F, Paese K, Silva CM, Guterres SS, Dalla Costa T. Pre-clinical investigation of the modulation of quetiapine plasma pharmacokinetics and tissues biodistribution by lipid-core nanocapsules. J Pharm Biomed Anal 2016; 119:152-8. [DOI: 10.1016/j.jpba.2015.11.027] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 11/12/2015] [Accepted: 11/19/2015] [Indexed: 11/30/2022]
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Patel N, Baldaniya M, Raval M, Sheth N. Formulation and Development of In Situ Nasal Gelling Systems for Quetiapine Fumarate-Loaded Mucoadhesive Microemulsion. J Pharm Innov 2015. [DOI: 10.1007/s12247-015-9232-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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El-Shal MA. Electrochemical studies for the determination of quetiapine fumarate and olanzapine antipsychotic drugs. Adv Pharm Bull 2013; 3:339-44. [PMID: 24312858 DOI: 10.5681/apb.2013.055] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2013] [Revised: 03/21/2013] [Accepted: 04/06/2013] [Indexed: 11/17/2022] Open
Abstract
PURPOSE Cyclic voltammetry and differential pulse voltammetry were used to explore the diffusion behavior of two antipsychotic drugs at a glassy carbon electrode. A well-defined oxidation peak was obtained in Britton-Robinson (BR) buffer (pH 2.0). The response was evaluated as a function of some variables such as the scan rate, and pH. METHODS A simple, precise, inexpensive and sensitive voltammetric method has been developed for the determination of the cited drugs Olanzapine (OLZ) and Quetiapine fumarate (QUT). RESULTS A linear calibration was obtained from 3 × 10(-8) M to 4 × 10(-6) M and 2 × 10(-8) M to 5 × 10(-6) M, with R. S. D. were 1.6 % and 1.2 % for OLZ and QUT, respectively. The limit of detection (LOD) was 1 × 10(-8) M, while the limit of quantification (LOQ) was 3 × 10(-8) M. CONCLUSION The method was applied to the determination of investigated drugs in urine and serum samples and dosage forms.
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Affiliation(s)
- Manal A El-Shal
- National Organization for Drug Control and Research (NODCAR), Pyramid Ave., P. O. B 29 Cairo, Egypt
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Kumar N, Sangeetha D, Goyal R, Reddy PS. A validated stability-indicating RP-LC method for the estimation of process-related impurities and degradation products of quetiapine fumarate in solid oral dosage form. ACTA CHROMATOGR 2013. [DOI: 10.1556/achrom.25.2013.2.13] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Xiong X, Yang L, Duan J. Development and validation of a sensitive and robust LC-MS/MS with electrospray ionization method for simultaneous quantitation of quetiapine and its active metabolite norquetiapine in human plasma. Clin Chim Acta 2013; 423:69-74. [PMID: 23623924 DOI: 10.1016/j.cca.2013.04.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Revised: 04/16/2013] [Accepted: 04/17/2013] [Indexed: 11/18/2022]
Abstract
BACKGROUND Quetiapine is an atypical antipsychotic agent for the treatment of schizophrenia, acute mania, and acute bipolar depression. The antidepressive response is considered to be mediated by the metabolite norquetiapine (N-desalkylquetiapine), and the aim of this study was to develop an LC-MS/MS method to measure concentrations of these compounds in human plasma. METHODS Following one step liquid-liquid extraction, the analytes were separated using an isocratic mobile phase on a Sunfire C18 column (50mm×2.1mm, 5μm). The retention times were 2.12, 2.24, 2.12 and 2.19min for quetiapine, norquetiapine and their respective stable labeled internal standards, respectively. Cycle time was 4min. Selected reaction monitoring (SRM) in positive ion mode was used for quantitation. RESULTS The present method exhibited a linear dynamic range of 0.5-500ng/ml for quetiapine and 0.6-600ng/ml for norquetiapine. The applicable range was extended by dilution up to 5-fold with blank matrix. The accuracy and precision for quetiapine were <103.0% and 8.8%, for norquetiapine were <108.8% and 11.1%, respectively. CONCLUSIONS A rapid, sensitive, and robust LC-MS/MS method for quantifying quetiapine and its metabolite norquetiapine levels in human plasma was validated and successfully applied to samples from schizophrenic patients in clinical pharmacokinetics studies.
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Affiliation(s)
- Xin Xiong
- Department of Pharmacy, Peking University Third Hospital, Beijing 100191, PR China
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16
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Validation of Quetiapine Fumarate in Pharmaceutical Dosage by Reverse-Phase HPLC with Internal Standard Method. J CHEM-NY 2013. [DOI: 10.1155/2013/578537] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A rapid, specific, and accurate isocratic HPLC method was developed and validated for the assay of quetiapine fumarate in pharmaceutical dosage forms. The assay involved an isocratic-elution of quetiapine fumarate in Grace C18 column using mobile-phase composition of 0.1% ortho phosphoric acid with triethyl amine as modifier buffer and acetonitrile in the ratio of 50 : 50 (v/v).The wavelength of detection is 294 nm. The method showed good linearity in the range of 2.0–50.2 × 10−3 g/Lt. The runtime of the method is 5 mins. The developed method was applied to directly and easily analyse of the pharmaceutical tablet preparations. The percentage recoveries were near 100% for given methods. The method was completely validated and proven to be rugged. The excipients did not interfere in the analysis. The results showed that this method can be used for rapid determination of quetiapine fumarate in pharmaceutical tablet with precision, accuracy, and specificity.
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Abstract
The aim of this review is to provide information for interpreting outcome results from monitoring of antipsychotics in biological samples. A brief overview of the working mechanisms, pharmacological effects, drug interactions, and analytical methods of classical and atypical antipsychotics is given. Nineteen antipsychotics were selected based on their importance in the worldwide market as follows: amisulpride, aripiprazole, asenapine, bromperidol, clozapine, flupenthixol, haloperidol, iloperidone, lurasidone, olanzapine, paliperidone, perphenazine, pimozide, pipamperone, quetiapine, risperidone, sertindole, sulpiride, and zuclopenthixol. A straightforward relationship between administered dose, plasma or serum concentration, clinical outcome, or adverse effects is often lacking. Nowadays, focus lies on therapeutic drug monitoring and individualized therapy to find adequate treatment, to explain treatment failure or nonresponse, and to check patient compliance. However, extensive research in this field is still mandatory.
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Pan RN, Kuo BPC, Pao LH. Validated LC-MS-MS Method for the Determination of Quetiapine in Human Plasma: Application to a Pharmacokinetic Study. J Chromatogr Sci 2012; 50:277-82. [DOI: 10.1093/chromsci/bms001] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Abstract
AbstractPhotodegradation of quetiapine under UVC irradiation in methanol solution was investigated and structural elucidation of its photodegradation products was performed with the use of the reversed phase UHPLC system coupled with accurate mass hybrid ESI-Q-TOF mass spectrometer. During one run all essential data for the determination of photodegradation kinetics and for the structural elucidation of the products was collected with the use of auto MS/MS mode. Five degradation products were found and their masses and formulas were obtained with high accuracy (0.26–5.02 ppm). For all the analyzed compounds, MS/MS fragmentation spectra were also obtained allowing structural elucidation of the unknown degradation products and indicating photodegradation pathways of quetiapine. The main photodegradation product was identified as 2-[2-[4-(5-oxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-piperazinyl]ethoxy]-ethanol and the photodegradation reaction yields the first-order kinetics with the rate constant k = 0.1094 h−1.
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21
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Nigović B, Spajić J. A novel electrochemical sensor for assaying of antipsychotic drug quetiapine. Talanta 2011; 86:393-9. [PMID: 22063556 DOI: 10.1016/j.talanta.2011.09.033] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2011] [Revised: 09/02/2011] [Accepted: 09/12/2011] [Indexed: 11/26/2022]
Abstract
A novel electrochemical sensor based on poly(2-hydroxy-5-[(4-sulfophenyl)azo]benzoic acid) film modified glassy carbon electrode for fast and simple quantification of trace amount of quetiapine fumarate (QF) was developed. It exhibits excellent enhancement effects on the electrooxidation of QF facilitating preconcentration of drug molecules on the electrode surface. Based on its strong adsorptive activity, the concentration of QF in pharmaceutical formulations and biological fluids was determined directly by voltammetry with excellent sensitivity and high selectivity. The introduction of carboxylated and sulfonated functionalities in polymer film improves the uniform selectivity for positively charged target QF molecules. The calibration curve is linear in QF concentration range of 8.0 × 10(-8) to 7.5 × 10(-6)M with detection limit 1.9 × 10(-8) and sensitivity 8.96 × 10(5) μA M(-1). The presented sensor has long term stability and good reproducibility with benefits of fast response time, ease of preparation and regeneration of the surface that makes the proposed method useful in the determination of QF in real samples.
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Affiliation(s)
- Biljana Nigović
- University of Zagreb, Faculty of Pharmacy and Biochemistry, A. Kovacica 1, 10000 Zagreb, Croatia.
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Maślanka A, Krzek J, Żuromska B, Stolarczyk M. Identification and determination of compounds belonging to the group of OUN pharmaceutical agents by thin-layer chromatography with densitometric detection in biological material. ACTA CHROMATOGR 2011. [DOI: 10.1556/achrom.23.2011.2.5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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23
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Trivedi RK, Patel MC. Development and validation of a stability indicating RP-UPLC method for determination of quetiapine in pharmaceutical dosage form. Sci Pharm 2011; 79:97-111. [PMID: 21617775 PMCID: PMC3097508 DOI: 10.3797/scipharm.1009-12] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2010] [Accepted: 01/16/2011] [Indexed: 11/24/2022] Open
Abstract
The present work reports a stability indicating reversed phase ultra performance liquid chromatography (RP-UPLC) method for the quantitative determination of quetiapine in pharmaceutical dosage form. The chromatographic separation is performed on an Agilent Eclipse Plus C18, RRHD 1.8 μm (50 mm x 2.1 mm) column using gradient elution. The optimized mobile phase consists of 0.1 % aqueous triethylamine (pH 7.2) as a solvent-A and 80:20 v/v mixture of acetonitrile and methanol as solvent-B. The eluted compounds are monitored at 252 nm wavelength using a UV detector. The developed method separates quetiapine from its five impurities/degradation products within a run time of 5 min. Stability indicating capability of the developed method is established by analyzing forced degradation samples in which the spectral purity of quetiapine is ascertained along with the separation of degradation products from analyte peak. The developed RP-UPLC method is validated as per International Conference on Harmonization (ICH) guidelines with respect to system suitability, specificity, precision, accuracy, linearity, robustness and filter compatibility.
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Affiliation(s)
- Rakshit Kanubhai Trivedi
- Analytical Research and Development, Integrated Product Development, Dr. Reddy's Laboratories Ltd., Bachupally, Hyderabad-500 072, India.
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Kundlik ML, Kambli S, Shah V, Patel Y, Gupta S, Sharma R, Zaware B, Kuchekar SR. Quantification of Quetiapine in Human Plasma by LC–MS–MS. Chromatographia 2009. [DOI: 10.1365/s10337-009-1353-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Dhaneshwar SR, Patre NG, Mahadik MV. Stability-indicating HPTLC method for quantitation of quetiapine fumarate in the pharmaceutical dosage form. ACTA CHROMATOGR 2009. [DOI: 10.1556/achrom.21.2009.1.7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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26
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Nirogi R, Bhyrapuneni G, Kandikere V, Mudigonda K, Ajjala D, Mukkanti K. Sensitive liquid chromatography tandem mass spectrometry method for the quantification of Quetiapine in plasma. Biomed Chromatogr 2008; 22:1043-55. [DOI: 10.1002/bmc.1012] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Abstract
AbstractQuetiapine fumarate (Seroquel®) is an atypical antipsychotic dibenzothiazepine derivative. Due to its extensive hepatic metabolism and low level of unchanged excretion (< 1%) the routine toxicological drug-screening analyses of urine often leads to false negative results. In the present study, we report that a newly identified metabolite of quetiapine, N-desalkylquetiapine, can be used as an indicative marker of quetiapine-intake in urine using common GC-MS screening procedure. The structure of the mentioned metabolite was solved from the mass-spectrum obtained and the quetiapine presence was proved by consequent HPLC plasma analysis.
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Skibiński R, Komsta Ł, Kosztyła I. Comparative validation of quetiapine Determination in tablets by NP-HPTLC and RP-HPTLC with densitometric and videodensitometric detection. JPC-J PLANAR CHROMAT 2008. [DOI: 10.1556/jpc.21.2008.4.12] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Ali I, Gupta V, Aboul‐Enein HY, Hussain A. Hyphenation in sample preparation: Advancement from the micro to the nano world. J Sep Sci 2008; 31:2040-53. [DOI: 10.1002/jssc.200800123] [Citation(s) in RCA: 93] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Belal F, Elbrashy A, Eid M, Nasr JJ. Stability‐Indicating HPLC Method for the Determination of Quetiapine: Application to Tablets and Human Plasma. J LIQ CHROMATOGR R T 2008. [DOI: 10.1080/10826070802019681] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Fathalla Belal
- a Faculty of Pharmacy, Department of Analytical Chemistry , University of Mansoura , Mansoura, Egypt
| | - Amina Elbrashy
- a Faculty of Pharmacy, Department of Analytical Chemistry , University of Mansoura , Mansoura, Egypt
| | - Manal Eid
- a Faculty of Pharmacy, Department of Analytical Chemistry , University of Mansoura , Mansoura, Egypt
| | - Jenny Jeehan Nasr
- a Faculty of Pharmacy, Department of Analytical Chemistry , University of Mansoura , Mansoura, Egypt
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Mauri MC, Volonteri LS, Fiorentini A, Pirola R, Bareggi SR. Two weeks' quetiapine treatment for schizophrenia, drug-induced psychosis and borderline personality disorder: a naturalistic study with drug plasma levels. Expert Opin Pharmacother 2007; 8:2207-13. [PMID: 17927477 DOI: 10.1517/14656566.8.14.2207] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Rahi M, Heikkinen T, Härtter S, Hakkola J, Hakala K, Wallerman O, Wadelius M, Wadelius C, Laine K. Placental transfer of quetiapine in relation to P-glycoprotein activity. J Psychopharmacol 2007; 21:751-6. [PMID: 17259208 DOI: 10.1177/0269881106074065] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Atypical antipsychotic drugs are well tolerated and thus often preferred in women of fertile age; yet the information on their placental transfer and use during the prenatal period is limited. The aim of this study was to study the placental transfer of quetiapine, a widely used atypical antipsychotic, with special reference to the role of the placental transporter protein, P-glycoprotein (P-gp). This was performed in 18 dually perfused placentas, using the well established P-gp inhibitors PSC833 (valspodar) and GG918 to inhibit the function of P-gp. We also aimed to clarify the significance of two potentially functional ABCB1 single nuclear polymorphisms (SNPs), 2677G>T/A and 3435C>T, on the transplacental transfer (TPT) of quetiapine. The placental transfer of quetiapine in the control group as measured by TPT(AUC) % (absolute fraction of the dose crossing placenta) was 3.7%, which is 29% less than the transfer of the freely diffusible antipyrine, which was 5.2%. The P-gp inhibitors had no significant effect on the transfer of quetiapine as measured by TPT(AUC) % (P = 0.77). No correlation was found between the transplacental transfer of quetiapine (TPT(AUC) %) and placental P-gp expression (P = 0.61). The 3435T allele in exon 26 was associated with significantly higher placental transfer of quetiapine (P = 0.04). We conclude that quetiapine passes the human placenta but that the blood-placental barrier partially limits the transplacental transfer of quetiapine. Administration of P-gp inhibiting drugs with quetiapine is not likely to increase fetal exposure to quetiapine, although the ABCB1 C3435T polymorphism may contribute to inter-individual variation in fetal exposure to quetiapine.
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Affiliation(s)
- Melissa Rahi
- Department of Pharmacology and Clinical Pharmacology, Joint Clinical Biochemistry Laboratory of University of Turku, Turku University Central Hospital, Turku, Finland.
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Barrett B, Holcapek M, Huclová J, Borek-Dohalský V, Fejt P, Nemec B, Jelínek I. Validated HPLC-MS/MS method for determination of quetiapine in human plasma. J Pharm Biomed Anal 2007; 44:498-505. [PMID: 17499470 DOI: 10.1016/j.jpba.2007.03.034] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2006] [Revised: 03/28/2007] [Accepted: 03/31/2007] [Indexed: 10/23/2022]
Abstract
A validated, highly sensitive and selective high-pressure liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed for the quantitative determination of quetiapine (QUE) in human Na2EDTA plasma with mass spectrometry (MS) detection. Clozapine (CLO) was employed as an internal standard. Samples were extracted using solid phase extraction (SPE). Oasis HLB cartridges and the concentration of quetiapine was determined by isocratic HPLC-MS/MS. The SRM mode was used for MS/MS detection. The method was validated over a concentration range of 1.0-382.2 ng/mL. Inter- and intra-day precision and accuracy of the proposed method were characterized by relative standard deviation (R.S.D.) and the percentage of deviation, respectively; both were lower than 8%. The developed method was employed in the pharmacokinetic study of quetiapine.
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Affiliation(s)
- B Barrett
- Department of Bioanalytical Laboratory, CEPHA s.r.o. Plzen, Komenskeho 19, 32300 Plzen, Czech Republic
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Mercolini L, Grillo M, Bartoletti C, Boncompagni G, Raggi MA. Simultaneous analysis of classical neuroleptics, atypical antipsychotics and their metabolites in human plasma. Anal Bioanal Chem 2007; 388:235-43. [PMID: 17340084 DOI: 10.1007/s00216-007-1195-1] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2006] [Revised: 02/05/2007] [Accepted: 02/08/2007] [Indexed: 10/23/2022]
Abstract
A high-performance liquid chromatographic method has been developed for the simultaneous determination of classical neuroleptics (chlorpromazine, haloperidol, loxapine and clotiapine), atypical antipsychotics (clozapine, quetiapine and risperidone) and their active metabolites (N-desmethylclozapine, clozapine N-oxide and 9-hydroxyrisperidone) in human plasma. Separation was obtained by using a C8 reversed-phase column and a mobile phase composed of 70% aqueous phosphate buffer containing triethylamine at pH 3.0 and 30% acetonitrile. The UV detector was set at 238 nm and amitriptyline was used as the internal standard. A careful pre-treatment procedure of plasma samples was developed, using solid-phase extraction with cyanopropyl cartridges, which gives high extraction yields (>or=93%). The limits of quantitation (LOQ) were always lower than 2.6 ng mL-1 and the limits of detection (LOD) were always lower than 0.9 ng mL-1 for all analytes. The method was applied with success to plasma samples from schizophrenic patients undergoing polypharmacy with two or more different antipsychotics. Precision data and accuracy results were satisfactory and no interference from other central nervous system (CNS) drugs was found. Hence the method is suitable for the therapeutic drug monitoring (TDM) of the analytes in psychotic patients' plasma.
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Affiliation(s)
- Laura Mercolini
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126, and Mental Health Department, M. Malpighi Hospital, Bologna, Italy
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Hasegawa C, Kumazawa T, Lee XP, Fujishiro M, Kuriki A, Marumo A, Seno H, Sato K. Simultaneous determination of ten antihistamine drugs in human plasma using pipette tip solid-phase extraction and gas chromatography/mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2006; 20:537-43. [PMID: 16419026 DOI: 10.1002/rcm.2335] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Ten antihistamine drugs, diphenhydramine, orphenadrine, chlorpheniramine, diphenylpyraline, triprolidine, promethazine, homochlorcyclizine, cyproheptadine, cloperastine and clemastine, have been found to be extractable from human plasma samples using MonoTip C18 tips, inside which C18- bonded monolithic silica gel was fixed. Human plasma (0.1 mL) containing the ten antihistamines was mixed with 0.4 mL of distilled water and 25 microL of a 1 M potassium phosphate buffer (pH 8.0). After centrifugation of the mixture, the supernatant fraction was extracted to the C18 phase of the tip by 25 repeated aspirating/dispensing cycles using a manual micropipettor. The analytes retained on the C18 phase were then eluted with methanol by five repeated aspirating/dispensing cycles. The eluate was injected into a gas chromatography (GC) injector without evaporation and reconstitution steps, and was detected by a mass spectrometer with selected ion monitoring in the positive-ion electron impact mode. The separation of the ten drugs from each other and from impurities was generally satisfactory using a DB-1MS column (30 m x 0.32 mm i.d., film thickness 0.25 microm). The recoveries of the ten antihistamines spiked into plasma were 73.8-105%. The regression equations for the ten antihistamines showed excellent linearity with detection limits of 0.02-5.0 ng/0.1 mL. The within-day and day-to-day coefficients of variation for plasma were not greater than 9.9%. The data obtained from determination of diphenhydramine and chlorpheniramine in human plasma after oral administration of the drugs are also presented.
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Affiliation(s)
- Chika Hasegawa
- Department of Legal Medicine, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
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Ozkan SA, Dogan B, Uslu B. Voltammetric Analysis of the Novel Atypical Antipsychotic Drug Quetiapine in Human Serum and Urine. Mikrochim Acta 2005. [DOI: 10.1007/s00604-005-0457-x] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Zhou Z, Li X, Li K, Xie Z, Cheng Z, Peng W, Wang F, Zhu R, Li H. Simultaneous determination of clozapine, olanzapine, risperidone and quetiapine in plasma by high-performance liquid chromatography-electrospray ionization mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2004; 802:257-62. [PMID: 15018785 DOI: 10.1016/j.jchromb.2003.11.037] [Citation(s) in RCA: 89] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2003] [Revised: 11/24/2003] [Accepted: 11/24/2003] [Indexed: 10/26/2022]
Abstract
UNLABELLED Clozapine (CLZ), olanzapine (OLZ), risperidone (RIP) and quetiapine (QTP) have been widely used in the treatment of schizophrenia. However, no study (or little study) has been conducted to determine the four drugs simultaneously by the use of high-performance liquid chromatography-electrospray ionization mass spectrometry (HPLC-MS/ESI). OBJECTIVE To develop a sensitive method for simultaneous determination of CLZ, OLZ, RIP and QTP in human plasma by HPLC-MS/ESI. METHODS The analytes were extracted twice by ether after samples had been alkalinized. The HPLC separation of the analytes was performed on a MACHEREY-NAGEL C(18) (2.0 mm x 125 mm, 3 microm, Germany) column, using water (formic acid: 2.70 mmol/l, ammonium acetate: 10 mmol/l)-acetonitrile (53:47) as mobile phase, with a flow-rate of 0.16 ml/min. The compounds were ionized in the electrospray ionization (ESI) ion source of the mass spectrometer and were detected in the selected ion recording (SIR) mode. RESULTS The calibration curves were linear in the ranges of 20-1000 ng/ml for CLZ and QTP, 1-50 ng/ml for OLZ and RIP, respectively. The average extraction recoveries for all the four analysts were at least above 80%. The methodology recoveries were higher than 91% for the analysts. The intra- and inter-day R.S.D. were less than 15%. CONCLUSION The method is accurate, sensitive and simple for routine therapeutic drug monitoring (TDM) and for the study of the pharmacokinetics of the four drugs.
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Affiliation(s)
- Zhiling Zhou
- Clinical Pharmaceutical Research Institute of Second Xiangya Hospital of Central South University, Changsha 410011, PR China
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Pucci V, Mandrioli R, Ferranti A, Furlanetto S, Augusta Raggi M. Quality control of commercial tablets containing the novel antipsychotic quetiapine. J Pharm Biomed Anal 2003; 32:1037-44. [PMID: 12899991 DOI: 10.1016/s0731-7085(03)00206-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Quetiapine (bis [2-(2-[4-(dibenzo[b,f][1,4]thiazepin-11-yl]ethoxy)ethanol]fumarate) is the most recent agent introduced on the drug market for the treatment of psychotic disorders. Two different analytical methods for the quality control of quetiapine in commercial formulations have been developed and compared: a spectrophotometric method and a capillary zone electrophoretic (CZE) method. The spectrophotometric assay was carried out measuring the absorbance at a wavelength of 246 nm. The CZE method used an uncoated fused-silica capillary and a pH 2.5, 50 mM phosphate buffer as the background electrolyte. The detection wavelength was 205 nm, the separation voltage was 15 kV, and a complete electrophoretic run lasts less than 2.5 min. Extraction of quetiapine from the commercial tablets consisted of a simple one-step treatment with a pH 2.5, 50 mM phosphate buffer. Linearity was observed in the 5-25 microg ml(-1) concentration range of quetiapine for the spectrophotometric method, and in the 5-50 microg ml(-1) concentration range for the electrophoretic method. Both methods gave satisfactory results in terms of repeatability and intermediate precision (RSD<1.9%). Also accuracy values were very good for both methods, the recovery being between 98.2 and 100.5%.
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Affiliation(s)
- Vincenzo Pucci
- Department of Pharmaceutical Sciences, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy
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