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Bhende SD, Varanasi MB, Abbulu K. A sensitive and efficient LC-MS/MS method for the bioanalysis of fosinopril diacid from human plasma and its application for a bioequivalence study in humans. Biomed Chromatogr 2021; 35:e5047. [PMID: 33352616 DOI: 10.1002/bmc.5047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 12/06/2020] [Accepted: 12/09/2020] [Indexed: 11/10/2022]
Abstract
Fosinopril diacid is an angiotensin converting enzyme inhibitor with efficient antihypertensive action. It is an active metabolic product formed in the body from hydrolysis of its prodrug Fosinopril. A sensitive, rapid method with high recovery for Fosinopril diacid from human plasma was developed. Solid-phase extraction technique employing Waters Oasis SPE cartridges gave clean samples with very high recovery of 97%. The analyte along with its internal standard (Benazepril hydrochloride) were chromatographed on an XTerra RP8 column (4.6 × 50 mm, 5 μm) using methanol-ammonium acetate buffer (10 mm; 90:10, v/v) as the mobile phase. A triple quadrupole mass spectrometer equipped with electrospray ionization source operated in the negative ion mode was used for detection. Multiple reaction monitoring scan mode was used for monitoring the transitions from m/z 434.00 → 237.15 for Fosinopril diacid and m/z 423.10 → 174.00 for Benazepril hydrochloride. Beer-Lambert's law was obeyed in the range of 0.50-1,500.00 ng/ml (r = 0.9993). The stability of the drugs in human plasma and in stock solution was proved by performing stability tests as per US Food and Drug Administration guidelines. The method was successfully applied for a bioequivalence study of Fosinopril diacid in 36 healthy, adult, male volunteers under fasting conditions.
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Affiliation(s)
- Swati D Bhende
- Jawaharlal Nehru Technological University Hyderabad, Hyderabad, Telangana, India
| | | | - Konde Abbulu
- CMR college of Pharmacy, Hyderabad, Telangana, India
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2
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Pankajkumar-Patel N, Peris-García E, Ruiz-Angel M, García-Alvarez-Coque M. Analysis of tricyclic antidepressants in pharmaceuticals by microemulsion liquid chromatography. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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3
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Pankajkumar-Patel N, Peris-García E, Schiopu O, Ruiz-Angel MJ, Baeza-Baeza JJ, García-Alvarez-Coque MC. Performance and modelling of retention in microemulsion liquid chromatography. J Chromatogr A 2020; 1634:461651. [PMID: 33166895 DOI: 10.1016/j.chroma.2020.461651] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/23/2020] [Accepted: 10/24/2020] [Indexed: 10/23/2022]
Abstract
The capability of liquid chromatography with microemulsions (MEs) as mobile phases was studied for the analysis of four parabens (butylparaben, ethylparaben, methylparaben, and propylparaben) and seven β-adrenoceptor antagonists (acebutolol, atenolol, carteolol, metoprolol, oxprenolol, propranolol, and timolol). MEs were formed by mixing aqueous solutions of the anionic surfactant sodium dodecyl sulphate, the alcohol 1-butanol that played the role of co-surfactant, and octane as oil. In order to guarantee the formation of stable MEs, a preliminary study was carried out to determine the appropriate ranges of concentrations of the three components. For this purpose, mixtures of variable composition were prepared, and the possible separation of two phases (formation of an emulsion) was visually detected. The advantage offered by the addition of octane to micellar mobile phases, inside the concentration range that allows the formation of stable MEs, was evaluated by comparing the retention behaviour, peak profile and resolution of mixtures of the probe compounds, in the presence and absence of octane. The final aim of this work was the proposal of a mathematical equation to model the retention behaviour in microemulsion liquid chromatography. The derived global model that considered the three factors (surfactant, alcohol and oil) allowed the prediction of retention times at diverse mobile phase compositions with satisfactory accuracy (in the 1.1‒2.5% range). The behaviour was compared with that found with mobile phases without octane. The model also yielded information about the retention mechanism and revealed that octane, when inserted inside the micelle, modifies the interaction between solutes and micelles.
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Affiliation(s)
- N Pankajkumar-Patel
- Department of Analytical Chemistry, University of Valencia, c/Dr. Moliner 50, Burjassot, Spain
| | - E Peris-García
- Department of Analytical Chemistry, University of Valencia, c/Dr. Moliner 50, Burjassot, Spain
| | - O Schiopu
- Department of Analytical Chemistry, University of Valencia, c/Dr. Moliner 50, Burjassot, Spain
| | - M J Ruiz-Angel
- Department of Analytical Chemistry, University of Valencia, c/Dr. Moliner 50, Burjassot, Spain
| | - J J Baeza-Baeza
- Department of Analytical Chemistry, University of Valencia, c/Dr. Moliner 50, Burjassot, Spain
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Belal F, Omar MA, Derayea SM, Zayed S, Hammad MA, Saleh SF, Alhazmi HA, Al Bratty M. Direct Injection Microemulsion HPLC Method for Simultaneous Determination of Morphine, Tramadol and Lornoxicam in Biological Fluids Using Monolithic Column. CURR PHARM ANAL 2020. [DOI: 10.2174/1573412915666190617172144] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
<P>Objective: A rapid and environmental friendly microemulsion liquid chromatographic method
was developed for simultaneous quantification of morphine (MOR), tramadol (TRA) and lornoxicam
(LOR) in biological fluids.
</P><P>
Methods: Microemulsion used in this study was an aqueous solution containing sodium dodecyl sulfate
(0.12 M), n-propanol (10%), ethyl acetate (0.75%), tri-ethyl amine (0.3%), orthophosphoric acid (0.15
%) and the pH was adjusted to 3.0 with orthophosphoric acid. Chromatographic separation was carried
out on a monolithic C18 column and a mobile phase flow rate of 1.0 mL min−1 was applied throughout
the analysis. The data was monitored using UV-detection mode at a wavelength of 220 nm.
</P><P>
Results: Under the optimized conditions, all the studied drugs were well resolved and completely eluted
within 6 min. The proposed method was linear over the concentration ranges of 0.5−100, 0.75−125 and
0.25−50 μg mL−1; limits of detection of 0.074, 0.086 and 0.056 μgmL−1 and limits of quantification of
0.21, 0.28 and 0.12 were recorded for TRA, LOR, and MOR, respectively. The developed method was
fully validated according to the ICH guidelines. The method was successfully utilized to estimate the
tested analytes in plasma and urine samples, which were directly injected into the chromatographic
system after suitable dilution with the microemulsion.
</P><P>
Conclusion: The developed method is considered to be very efficient to analyze the cited drugs in different
biological fluids with low running costs and short analysis time.</P>
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Affiliation(s)
- Fathalla Belal
- Department of Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Mahmoud A. Omar
- Department of Analytical Chemistry, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Sayed M. Derayea
- Department of Analytical Chemistry, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Sahar Zayed
- Unit of Drug Analysis, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Mohamed A. Hammad
- Department of Analytical Chemistry, Faculty of Pharmacy, Sadat city University, Sadat City, Egypt
| | - Safaa F. Saleh
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jazan University, Jazan, Postcode 45142, Saudi Arabia
| | - Hassan A. Alhazmi
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jazan University, Jazan, Postcode 45142, Saudi Arabia
| | - Mohammed Al Bratty
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jazan University, Jazan, Postcode 45142, Saudi Arabia
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5
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Javed S, Ahsan W. Microemulsion based chromatographic techniques: Past lessons and future directions. J LIQ CHROMATOGR R T 2019. [DOI: 10.1080/10826076.2019.1584746] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Shamama Javed
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Waquar Ahsan
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
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Pankajkumar-Patel N, Peris-García E, Ruiz-Angel MJ, Carda-Broch S, García-Alvarez-Coque MC. Modulation of retention and selectivity in oil-in-water microemulsion liquid chromatography: A review. J Chromatogr A 2019; 1592:91-100. [PMID: 30704775 DOI: 10.1016/j.chroma.2019.01.046] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Revised: 01/13/2019] [Accepted: 01/17/2019] [Indexed: 02/07/2023]
Abstract
Microemulsions (MEs) are stable, isotropically clear solutions consisting of an oil and water stabilized by a surfactant and a co-surfactant. Oil-in-water microemuslion liquid chromatography (MELC) is a relatively new chromatographic mode, which uses an O/W ME as mobile phase. Retention, selectivity and efficiency can be modified by changing the concentration of the ME components and the ratio between the aqueous and oil phases. This work makes a critical survey on the information found in the literature about the mobile phase compositions that lead to the creation of successful O/W ME mobile phases, as well as the effect of pH for ionizable compounds and temperature. The viability of performing the analyses using isocratic and gradient elution is also considered. The complexity of the composition of a successful ME, and the fact that the different factors interact each other, may require many manipulations during method development to achieve an acceptable separation for complex mixtures. This is the reason of the proposal from several authors of a standard ME as starting point when developing a method for a new separation with no previous reports. Based on these initial conditions, the interest of several authors in applying computer-assisted approaches to optimize the composition of ME mobile phases, and reduce significantly the time and reagent consumption for method development, is described. Some practical tips are given to prepare stable ME mobile phases that yield reproducible results.
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Affiliation(s)
- N Pankajkumar-Patel
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, 46100 Burjassot, Spain
| | - E Peris-García
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, 46100 Burjassot, Spain
| | - M J Ruiz-Angel
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, 46100 Burjassot, Spain
| | - S Carda-Broch
- Department of Physical and Analytical Chemistry, University Jaume I, Av. Sos Baynat s/n, Castelló, Spain
| | - M C García-Alvarez-Coque
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, 46100 Burjassot, Spain.
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Peris-García E, Pankajkumar-Patel N, Ruiz-Angel MJ, Carda-Broch S, García-Alvarez-Coque MC. Oil-In-Water Microemulsion Liquid Chromatography. SEPARATION AND PURIFICATION REVIEWS 2018. [DOI: 10.1080/15422119.2018.1524386] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Ester Peris-García
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, 46100 Burjassot Spain
| | - Nikita Pankajkumar-Patel
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, 46100 Burjassot Spain
| | - María José Ruiz-Angel
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, 46100 Burjassot Spain
| | - Samuel Carda-Broch
- Departament de Química Física i Analítica, Universitat Jaume I, Av. Sos Baynat s/n, Castelló Spain
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8
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Li L, Lai C, Xuan X, Gao C, Li N. Simultaneous Determination of Hydrochlorothiazide and Losartan Potassium in Osmotic Pump Tablets by Microemulsion Liquid Chromatography. J Chromatogr Sci 2016; 54:1415-20. [DOI: 10.1093/chromsci/bmw101] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Indexed: 11/12/2022]
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9
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Li L, Yang J, Huang H, Xu L, Gao C, Li N. Determination of the lipophilicity ofSalvia miltiorrhizaRadix et Rhizoma (danshen root) ingredients by microemulsion liquid chromatography: optimization using cluster analysis and a linear solvation energy relationship-based method. Biomed Chromatogr 2015; 30:996-1006. [DOI: 10.1002/bmc.3639] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Revised: 09/25/2015] [Accepted: 10/19/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Liangxing Li
- Department of Traditional Chinese Medicine, School of Traditional Chinese Medicine; Guangdong Pharmaceutical University; Guangzhou 510006 China
| | - Jianrui Yang
- Department of Pharmaceutics, School of Pharmacy; Guangdong Pharmaceutical University; Guangzhou 510006 China
| | - Hongzhang Huang
- Department of Pharmaceutics, School of Pharmacy; Guangdong Pharmaceutical University; Guangzhou 510006 China
| | - Liyuan Xu
- Department of Pharmaceutical Analysis, School of Pharmacy; Guangdong Pharmaceutical University; Guangzhou 510006 China
| | - Chongkai Gao
- Department of Pharmaceutics, School of Pharmacy; Guangdong Pharmaceutical University; Guangzhou 510006 China
| | - Ning Li
- Department of Pharmaceutical Analysis, School of Pharmacy; Guangdong Pharmaceutical University; Guangzhou 510006 China
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10
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Sokolova LS, Derbina AA, Pashkova EB, Pirogov AV, Shpigun OA. Methylene selectivity in microemulsion liquid chromatography. ACTA ACUST UNITED AC 2015. [DOI: 10.3103/s0027131415040069] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Song RJ, Zhou J. Microemulsion liquid chromatographic method for simultaneous separation and determination of six flavonoids of Apocynum venetum leaf extract. J Chromatogr B Analyt Technol Biomed Life Sci 2015; 995-996:8-14. [DOI: 10.1016/j.jchromb.2015.05.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Revised: 03/18/2015] [Accepted: 05/14/2015] [Indexed: 11/26/2022]
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12
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Hammouda MEA, Abu El-Enin MA, El-Sherbiny DT, El-Wasseef DR, El-Ashry SM. Simultaneous Determination of Enalapril and Hydrochlorothiazide in Pharmaceutical Preparations Using Microemulsion Liquid Chromatography. J Chromatogr Sci 2014; 53:90-6. [DOI: 10.1093/chromsci/bmu024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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13
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Uutela P, Monto M, Iso-Mustajärvi I, Madetoja M, Yliperttula M, Ketola RA. Identification of metabolites of fosinopril produced by human and rat liver microsomes with liquid chromatography-mass spectrometry. Eur J Pharm Sci 2013; 53:86-94. [PMID: 24365260 DOI: 10.1016/j.ejps.2013.12.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 12/10/2013] [Accepted: 12/11/2013] [Indexed: 11/16/2022]
Abstract
Metabolic profiles of prodrug fosinopril and pharmacologically active metabolite fosinoprilat were studied using human or rat liver microsomes and S9 fractions. Metabolites were identified by ultra high-performance liquid chromatography/quadrupole time-of-flight mass spectrometry (UHPLC/Q-TOF-MS) using electrospray ionization in the positive and negative ion mode. They were characterized by accurate MS and MS/MS spectra and based on their different fragmentation pathways. With human liver microsomes fosinopril was metabolized via hydroxylation, glucuronidation, and hydrolysis to fosinoprilat. As expected the main metabolite was fosinoprilat and it was further hydroxylated and glucuronidated. However, these metabolites were not detected after incubation of fosinoprilat with human liver microsomes, indicating that metabolic reactions occur in sequence and fosinopril is hydrolyzed after glucuronidation or hydroxylation. With the developed UHPLC/Q-TOF-MS method once or twice hydroxylated fosinopril metabolites were detected for the first time and different regioisomers were separated. It was observed that the hydrolysis of fosinopril to fosinoprilat was more efficient with rat than with human liver microsomes, and therefore more hydroxylated fosinoprilat metabolites were detected when rat liver microsomes were used. Glucuronidation of fosinopril was not observed with rat liver microsomes.
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Affiliation(s)
- Päivi Uutela
- Division of Biopharmaceutics and Pharmacokinetics, Faculty of Pharmacy, University of Helsinki, P.O.Box 56, FI-00014 Helsinki, Finland; Orion Corporation ORION PHARMA, P.O.Box 65, FI-02101 Espoo, Finland
| | - Matti Monto
- Division of Biopharmaceutics and Pharmacokinetics, Faculty of Pharmacy, University of Helsinki, P.O.Box 56, FI-00014 Helsinki, Finland
| | - Ilona Iso-Mustajärvi
- Division of Biopharmaceutics and Pharmacokinetics, Faculty of Pharmacy, University of Helsinki, P.O.Box 56, FI-00014 Helsinki, Finland
| | - Mari Madetoja
- Made Consulting, Suonpääntie 6, FI-21500 Piikkiö, Finland
| | - Marjo Yliperttula
- Division of Biopharmaceutics and Pharmacokinetics, Faculty of Pharmacy, University of Helsinki, P.O.Box 56, FI-00014 Helsinki, Finland
| | - Raimo A Ketola
- Department of Forensic Medicine, Hjelt Institute, Faculty of Medicine, University of Helsinki, P.O.Box 40, FI-00014 Helsinki, Finland.
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Zhou J, Zhang Q, Sun JB, Wang FQ, Zeng P. Simultaneous separation and determination of four phenylethanoid glycosides in rat plasma sample after oral administration of Cistanche salsa extract by microemulsion liquid chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 951-952:24-31. [PMID: 24508672 DOI: 10.1016/j.jchromb.2013.11.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Revised: 10/18/2013] [Accepted: 11/02/2013] [Indexed: 11/28/2022]
Abstract
A simple, rapid and specific method was developed to separate as well as to determine the four phenylethanoid glycosides (PhGs) (echinacoside, tubuloside B, acteoside and isoacteoside) in rat plasma after oral administration of Cistanche salsa extract by reversed phase high performance liquid chromatography using a microemulsion as the mobile phase. The separations were performed on a Zorbax Extend-C18 column at 25°C. Photodiode-array detector was conducted at 322nm and with a flow rate of 0.8mLmin(-1). The optimized microemulsion mobile phase consisted of 0.3% triethylamine in 20mM phosphoric acid at pH 6.0, 0.8% (v/v) ethyl acetate as oil phase, 1.5% (v/v) Genapol X-080 as surfactant, 2.5% (v/v) n-propanol as co-surfactant. Under the optimal conditions, the calibration curve for four PhGs was linear in the range of 10-1000ngmL(-1) with the correlation coefficients greater than 0.9994. The intra-day and inter-day precision (RSD) were below 8.64% and the limits of detection (LOD) for the four PhGs were 0.4-1.3ngmL(-1) (S/N=3). The microemulsion liquid chromatography (MELC) method was successfully applied to separate and determine the four PhGs in rat plasma after oral administration of C. salsa extract.
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Affiliation(s)
- Jun Zhou
- Department of Pharmacy, Urumqi General Hospital of PLA, Urumqi Xinjiang 830000, China
| | - Qiong Zhang
- Department of Pharmacy, Urumqi General Hospital of PLA, Urumqi Xinjiang 830000, China
| | - Jiang Bing Sun
- Department Clinical Laboratory, No. 23 Hospital of PLA, Urumqi Xinjiang 830000, China
| | - Feng Qiao Wang
- Department of Chemistry, Fourth Military Medical University, Xi'an, Shanxi 710032, China
| | - Ping Zeng
- Department of Pharmacy, Urumqi General Hospital of PLA, Urumqi Xinjiang 830000, China.
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Hammouda MEA, Abu El-Enin MA, El-Sherbiny DT, El-Wasseef DR, El-Ashry SM. Microemulsion liquid chromatographic method for simultaneous determination of simvastatin and ezetimibe in their combined dosage forms. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2013; 2013:132836. [PMID: 24282651 PMCID: PMC3826296 DOI: 10.1155/2013/132836] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2013] [Revised: 08/04/2013] [Accepted: 08/08/2013] [Indexed: 06/02/2023]
Abstract
A rapid HPLC procedure using a microemulsion as an eluent was developed and validated for analytical quality control of antihyperlipidemic mixture containing simvastatin (SIM) and ezetimibe (EZT) in their pharmaceutical preparations. The separation was performed on a column packed with cyano bonded stationary phase adopting UV detection at 238 nm using a flow rate of 1 mL/min. The optimized microemulsion mobile phase consisted of 0.2 M sodium dodecyl sulphate, 1% octanol, 10% n-propanol, and 0.3% triethylamine in 0.02 M phosphoric acid at pH 5.0. The developed method was validated in terms of specificity, linearity, lower limit of quantification (LOQ), lower limit of detection (LOD), precision, and accuracy. The proposed method is rapid (8.5 min), reproducible (RSD < 2.0%) and achieves satisfactory resolution between SIM and EZT (resolution factor = 2.57). The mean recoveries of the analytes in pharmaceutical preparations were in agreement with those obtained from a reference method, as revealed by statistical analysis of the obtained results using Student's t-test and the variance ratio F-test.
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Affiliation(s)
- Mohammed E. A. Hammouda
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt
| | - Mohamed A. Abu El-Enin
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt
| | - Dina T. El-Sherbiny
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt
| | - Dalia R. El-Wasseef
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt
| | - Saadia M. El-Ashry
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt
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Noorizadeh H, Farmany A, Noorizadeh M, Kohzadi M. Prediction of polar surface area of drug molecules: A QSPR approach. Drug Test Anal 2011; 5:222-7. [DOI: 10.1002/dta.288] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2011] [Revised: 03/10/2011] [Accepted: 03/10/2011] [Indexed: 01/02/2023]
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17
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Retention Behavior of Acid Drugs in Microemulsion Liquid Chromatography. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2010. [DOI: 10.3724/sp.j.1096.2010.00027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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18
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Simultaneous microemulsion liquid chromatographic analysis of fat-soluble vitamins in pharmaceutical formulations: Optimization using genetic algorithm. J Chromatogr A 2010; 1217:3770-3. [DOI: 10.1016/j.chroma.2010.04.012] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2009] [Revised: 04/04/2010] [Accepted: 04/09/2010] [Indexed: 11/18/2022]
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Malenović A, Jančić-Stojanović B, Ivanović D, Medenica M. FORCED DEGRADATION STUDIES OF SIMVASTATIN USING MICROEMULSION LIQUID CHROMATOGRAPHY. J LIQ CHROMATOGR R T 2010. [DOI: 10.1080/10826070903574576] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | | | - Darko Ivanović
- a Faculty of Pharmacy, Institute of Drug Analysis , Belgrade, Serbia
| | - Mirjana Medenica
- b Faculty of Pharmacy, Institute of Physical Chemistry , Belgrade, Serbia
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Malenovic A, Jancic-Stojanovic B, Medenica M, Ivanovic D. Microemulsion liquid chromatographic screening of Simvastatin and its active metabolite in human plasma. ACTA CHROMATOGR 2008. [DOI: 10.1556/achrom.20.2008.4.6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Liu J, Sun J, Sui X, Wang Y, Hou Y, He Z. Predicting blood–brain barrier penetration of drugs by microemulsion liquid chromatography with corrected retention factor. J Chromatogr A 2008; 1198-1199:164-72. [DOI: 10.1016/j.chroma.2008.05.065] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2008] [Revised: 05/17/2008] [Accepted: 05/22/2008] [Indexed: 10/22/2022]
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22
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McEvoy E, Donegan S, Power J, Altria K. Application of MELC and MEEKC for the Analysis of Paracetamol and Related Impurities in Suppositories. Chromatographia 2008. [DOI: 10.1365/s10337-008-0642-2] [Citation(s) in RCA: 22] [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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Jančić B, Medenica M, Ivanović D, Janković S, Malenović A. Monitoring of fosinopril sodium impurities by liquid chromatography–mass spectrometry including the neural networks in method evaluation. J Chromatogr A 2008; 1189:366-73. [DOI: 10.1016/j.chroma.2007.11.076] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2007] [Revised: 11/03/2007] [Accepted: 11/27/2007] [Indexed: 10/22/2022]
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24
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Biljana J, Mirjana M, Darko I, Anđelija M, Igor P. Chromatographic Behavior of Fosinopril Sodium and Fosinoprilat Using Neural Networks. Chromatographia 2008. [DOI: 10.1365/s10337-008-0575-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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25
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McEvoy E, Donegan S, Power J, Altria K. Optimisation and validation of a rapid and efficient microemulsion liquid chromatographic (MELC) method for the determination of paracetamol (acetaminophen) content in a suppository formulation. J Pharm Biomed Anal 2007; 44:137-43. [PMID: 17383842 DOI: 10.1016/j.jpba.2007.02.025] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2007] [Revised: 02/16/2007] [Accepted: 02/19/2007] [Indexed: 10/23/2022]
Abstract
A rapid and efficient oil-in-water microemulsion liquid chromatographic method has been optimised and validated for the analysis of paracetamol in a suppository formulation. Excellent linearity, accuracy, precision and assay results were obtained. Lengthy sample pre-treatment/extraction procedures were eliminated due to the solubilising power of the microemulsion and rapid analysis times were achieved. The method was optimised to achieve rapid analysis time and relatively high peak efficiencies. A standard microemulsion composition of 33 g SDS, 66 g butan-1-ol, 8 g n-octane in 1l of 0.05% TFA modified with acetonitrile has been shown to be suitable for the rapid analysis of paracetamol in highly hydrophobic preparations under isocratic conditions. Validated assay results and overall analysis time of the optimised method was compared to British Pharmacopoeia reference methods. Sample preparation and analysis times for the MELC analysis of paracetamol in a suppository were extremely rapid compared to the reference method and similar assay results were achieved. A gradient MELC method using the same microemulsion has been optimised for the resolution of paracetamol and five of its related substances in approximately 7 min.
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Affiliation(s)
- Eamon McEvoy
- Department of Chemical and Life Sciences, Waterford Institute of Technology, Cork road, Waterford, Ireland.
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Cui S, Feng F, Ma M, Liu H, Chen Y. Development and validation of liquid chromatography-tandem mass spectrometric method for simultaneous determination of fosinopril and its active metabolite fosinoprilat in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2007; 854:143-51. [PMID: 17482898 DOI: 10.1016/j.jchromb.2007.04.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2006] [Revised: 01/22/2007] [Accepted: 04/13/2007] [Indexed: 11/16/2022]
Abstract
A highly sensitive and selective liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed and validated for simultaneous determination of the prodrug fosinopril and its major active metabolite fosinoprilat for pharmacokinetic studies in healthy subjects. In order to get the lower limit of quantification (LLOQ), especially for analysis of fosinopril, key points of the method have been investigated including chromatographic conditions and selection of LC-MS/MS conditions. The analytes were extracted from plasma samples by liquid-liquid extraction, separated on a reversed-phase C(8) column using gradient procedure, and detected by tandem mass spectrometry with a triple quadrupole ionization interface. The analytes and internal standard zaleplon were detected using positive electrospray ionization (ESI) in the SRM mode. The LLOQ of the method down to 0.1 ng mL(-1) for fosinopril and 1.0 ng mL(-1) for fosinoprilat were identifiable and reproducible. The standard calibration curves for both fosinopril and fosinoprilat were linear over the ranges of 0.1-15.0 and 1.0-700 ng mL(-1) in human plasma, respectively. The within- and between-batch precisions (relative standard deviation (RSD)%) and the accuracy were acceptable. The validated method was successfully applied to reveal the pharmacokinetic properties of fosinopril and fosinoprilat after oral administration.
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Affiliation(s)
- Shuangjin Cui
- Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing 210009, China
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27
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Walash MI, Belal F, El‐Enany N, Abdelal A. Microemulsion Liquid Chromatographic Determination of Nicardipine Hydrochloride in Pharmaceutical Preparations and Biological Fluids. Application to Stability Studies. J LIQ CHROMATOGR R T 2007. [DOI: 10.1080/10826070601128394] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- M. I. Walash
- a Department of Analytical Chemistry, Faculty of Pharmacy , University of Mansoura , Mansoura, Egypt
| | - F. Belal
- a Department of Analytical Chemistry, Faculty of Pharmacy , University of Mansoura , Mansoura, Egypt
| | - N. El‐Enany
- a Department of Analytical Chemistry, Faculty of Pharmacy , University of Mansoura , Mansoura, Egypt
| | - A. Abdelal
- a Department of Analytical Chemistry, Faculty of Pharmacy , University of Mansoura , Mansoura, Egypt
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El-Sherbiny DT, El-Enany N, Belal FF, Hansen SH. Simultaneous determination of loratadine and desloratadine in pharmaceutical preparations using liquid chromatography with a microemulsion as eluent. J Pharm Biomed Anal 2007; 43:1236-42. [PMID: 17126519 DOI: 10.1016/j.jpba.2006.10.027] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2006] [Revised: 10/12/2006] [Accepted: 10/17/2006] [Indexed: 11/30/2022]
Abstract
A rapid HPLC procedure for analytical quality control of pharmaceutical preparations containing the antihistaminic drug substance loratadine and/or its analog desloratadine (which is also an active metabolite of loratadine) was developed using a microemulsion as the eluent. The separation was performed on a column packed with cyanopropyl bonded stationary phase adopting UV detection at 247 nm using a flow rate of 1 ml/min. The optimized microemulsion mobile phase consisted of 0.1M sodium dodecyl sulphate, 1% octanol, 10% n-propanol and 0.3% triethylamine in 0.02 M phosphoric acid, pH 3.0. The developed method was validated in terms of specificity, linearity, lower limit of quantification, lower limit of detection, precision and accuracy. With the proposed method satisfactory resolution between loratadine and desloratadine (resolution factor=3.85). The method requires a minimum of sample handling and is rapid (10 min), and reproducible (R.S.D.<2.0%). The mean recoveries of the analytes in pharmaceutical preparations were in agreement with those obtained from a reference method, as revealed by statistical analysis of the obtained results using the Student's t-test and the variance ratio F-test. Pseudoephedrine, the co-formulated drug substance, did not interference with the assay and was successfully separated using the developed HPLC method.
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Affiliation(s)
- Dina T El-Sherbiny
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt.
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