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Ramarao BV, Kamalakaran AS. A selective, sensitive and fast LC-MS/MS method for cabotegravir quantification in rat plasma and pharmacokinetic investigations. Biomed Chromatogr 2024:e6009. [PMID: 39251377 DOI: 10.1002/bmc.6009] [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: 07/16/2024] [Revised: 08/26/2024] [Accepted: 09/03/2024] [Indexed: 09/11/2024]
Abstract
This study presents a novel liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for quantifying cabotegravir (CAB) in rat plasma. A novel, sensitive, and rapid LC-MS/MS method has been developed and validated. Furthermore, protein precipitation technique allowed us to lowered the limit of quantification (LOQ) to nanogram levels, allowing detection of smaller CAB amounts in plasma samples. A review of scientific literature reveals that this method is superior than published methods in terms of runtime, sensitivity, wide linearity, and cost, using LC-MS/MS to quantify CAB in biological samples. CAB reached its maximum concentration (Cmax) of 78.401 μg/mL in rat plasma at 1.50 h (Tmax). Linearity was evaluated across 0.05-1000 μg/mL for CAB using five calibration curves with at least nine standards each with r2 > 0.9997. The intra- and inter-day precision and accuracy results were below 15% and acceptable as per Food and Drug Administration (FDA) guidelines. Stability of compounds were established in a battery of stability studies, that is, benchtop, autosampler, and long-term storage stability as well as freeze thaw cycles. The validated method can be used as a routine method to support pharmacokinetic studies.
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Affiliation(s)
- Bandaru Venkata Ramarao
- Department of Chemistry, School of Engineering, Dayananda Sagar University, Bengaluru, India
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2
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Hashim M, Ahmad L, Khan A, Faheem M. Development and validation of a reversed-phase HPLC-UV method for simultaneous determination of levosulpiride and omeprazole in human plasma: Applicability of the method for evaluation of pharmacokinetic drug-drug interactions. PLoS One 2024; 19:e0309453. [PMID: 39208137 PMCID: PMC11361584 DOI: 10.1371/journal.pone.0309453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 08/12/2024] [Indexed: 09/04/2024] Open
Abstract
Levosulpiride and omeprazole are co-prescribed for gastrointestinal disorders associated with depression and anxiety. Objective of the study was to develop a sensitive, robust and simple method for simultaneous analysis of levosulpiride and omeprazole in human plasma and applicability of the method in determination of pharmacokinetics drug-drug interaction. In the presented study, a reversed-phase HPLC-UV method was developed for the simultaneous determination of levosulpiride and omeprazole using pantoprazole as the internal standard. Experimental conditions were optimized and the developed method was validated as per standard guidelines (USP and ICH). Furthermore, the developed method was applied for evaluation of pharmacokinetics drug-drug interaction between levosulpiride (50 mg) and omeprazole (40 mg) in healthy human volunteers. Sharpsil C8 column (4.6 × 250 mm, 5 μm), Ultisil C8 column (4.6 mm × 150 mm, 5 μm) and Agilent C18 column (4.6 × 250 mm, 5 μm) were evaluated as stationary phase. The best resolution was achieved with Agilent C18 (4.6 x 250 mm, 5 μm) column and was selected for further study. The mobile phase consisted of a mixture of acetonitrile and phosphate buffer (pH 7.2) in 60:40 by volume, and was pumped at a flow rate of 1 mL/min. Detector wavelength was set at 280 nm. Levosulpiride and omeprazole were extracted from human plasma with ethyl acetate and dichloromethane (4:1, v/v). The calibration curves for both levosulpiride (5-150 ng/mL) and omeprazole (10-1500 ng/mL) were linear. The lower limit of quantification and limit of detection for levosulpiride were 5 and 2 ng/mL, while for omeprazole these were 10 and 3 ng/mL, respectively. Pharmacokinetics analysis showed that co-administration of omeprazole increased the AUC and Cmax of levosulpiride, while the clearance was reduced. Both the changes were insignificant. Similarly, no significant change in the pharmacokinetic parameters of omeprazole was observed with co-administration of levosulpiride.
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Affiliation(s)
- Muhammad Hashim
- Department of Pharmacy, University of Swabi, Swabi, Pakistan
| | - Lateef Ahmad
- Department of Pharmacy, University of Swabi, Swabi, Pakistan
| | - Amjad Khan
- Department of Pharmacy, Kohat University of Science and Technology (KUST), Kohat, Pakistan
| | - Muhammad Faheem
- Department of Pharmacy, University of Swabi, Swabi, Pakistan
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3
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Amin KF. Greenness-sustainability metrics for assessment smart-chemometric spectrophotometric strategy for evaluation of the combination of six gastric proton-pump inhibitors with two selected impurities. MethodsX 2024; 12:102670. [PMID: 38577411 PMCID: PMC10993182 DOI: 10.1016/j.mex.2024.102670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 03/21/2024] [Indexed: 04/06/2024] Open
Abstract
Green analytical approaches are employed for the determination of active pharmaceutical ingredients, in conjunction with their impurities. Smart chemometric spectrophotometric techniques, including orthogonal partial least square (OPLS), variable selection such as genetic algorithm (GA-OPLS), and interval selection (i-OPLS), were utilized. These chemometric models were implemented for assessing six proton-pump inhibitors Omeprazole, Esomeprazole, Lansoprazole, Pantoprazole, Rabeprazole, and Dexlansoprazole along with two selected official impurities, namely 4-Desmethoxy omeprazole impurity and Rabeprazole-impurity B. Experimental design was implemented to separate impurities, in the process of multivariate calibration, a five-level eight-factor calibration design consisting of 25 samples was selected. This design was deliberately selected to guarantee that the components were mutually orthogonal to assess the model's performance and reliability, a separate validation set of 15 samples was constructed. The best-performing of the proposed techniques were identified by considering the least favorable values of the Correlation Coefficient (R ≥ 0.9995), the Root Mean Square Error of Prediction (RMSEP) values between (0.0102-0.5622), and the Relative Error of Prediction (REP) values between (0.2961-1.1917). The proposed and reported methods' greenness-sustainability was quantitatively evaluated, and a comparative study of the greenness profile was established through a spider chart, the National Environmental Method Index tool, advanced and modified NEMI along with the Hexagon tool, and the whiteness qualities of the presented approaches were assessed by implementing the recently adopted Red-Green-Blue paradigm and White Analytical Chemistry tool. These approaches are well-suited for use in quality control laboratories due to their observed acceptance, long-term sustainability, simplicity, and affordability.
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Affiliation(s)
- Khanda F.M. Amin
- Chemistry Department, College of Science, University of Sulaimani, Sulaymaniyah, Iraq
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4
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Sun DM, Zhang Y, Zhou Y, Feng XS, Zhang XY. Progress of Pretreatment and Analytical Methods of Proton Pump Inhibitors: An Update since 2010. Crit Rev Anal Chem 2023:1-26. [PMID: 36654243 DOI: 10.1080/10408347.2023.2166782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Proton pump inhibitors (PPIs) are the most commonly used medication for stomach secretion disorders. However, when it comes to safe, discreet pharmaceutical practice, widely recognized preparational and analytical method(s) for PPIs with sensitivity, selectivity, speed and high accuracy still remains underdeveloped. For this reason, this paper sets out to make a comprehensive review of the preparation and determination methods for PPIs based on multiple matrices since 2010. We have integrated newly-developed techniques (such as solid phase extraction, liquid phase micro-extraction, and solid phase micro-extraction) into conventional sample preparational methods. On the other hand, our analytical techniques include liquid chromatography, supercritical fluid chromatography, capillary electrophoresis, and employment of sensors. In addition, we have identified the pros and cons of each technique and have forecast their future developmental trends.
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Affiliation(s)
- De-Mei Sun
- School of Pharmacy, China Medical University, Shenyang, China
| | - Yuan Zhang
- School of Pharmacy, China Medical University, Shenyang, China
| | - Yu Zhou
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xue-Song Feng
- School of Pharmacy, China Medical University, Shenyang, China
| | - Xin-Yuan Zhang
- School of Forensic Medicine, China Medical University, Shenyang, China
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5
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Dash SK, Acharjya SK, Chakraborty A, Sahoo M, Tripathy S, Tripathy B, Deo R. Application of Analytical Tools and Techniques for Estimation of a Proton Pump Inhibitor (Esomeprazole Magnesium Trihydrate): A Comprehensive Review. CURR PHARM ANAL 2022. [DOI: 10.2174/1573412918666220426110831] [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
Objective:
The application of various sophisticated analytical tools and techniques is essential for estimating an active pharmaceutical ingredient present in either biofluids or pharmaceutical dosage forms. Reporting the multiple analytical methods used to quantify esomeprazole magnesium trihydrate, a proton pump inhibitor, is the ultimate goal of this review article.
Evidence acquisition:
This article deals with a detailed discussion of different reported analytical procedures along with their pros and cons and their relevant criteria for quantifying the drug. Various analytical techniques like UV-Visible spectrophotometry, HPLC, HPTLC, hyphenated techniques, etc., are developed to assess the esomeprazole magnesium trihydrate in bulk materials, different pharmaceutical formulations, and biological matrices.
Conclusion:
Literature survey confirmed that the hyphenated techniques and chromatographic techniques are best tools for biological matrices. Spectroscopic methods like UV and visible techniques are widely used for pharmaceutical matrices. All of the reported methods are accurate, precise, cost-effective, and sensitive.
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Affiliation(s)
- Sanat Kumar Dash
- Department of Pharmaceutical Analysis and Quality Assurance, Roland Institute of Pharmaceutical Sciences, Berhampur, India
| | - Sasmita Kumari Acharjya
- Department of Pharmaceutical Analysis and Quality Assurance, Roland Institute of Pharmaceutical Sciences, Berhampur, India
| | - Atyurmila Chakraborty
- Department of Pharmaceutical Analysis and Quality Assurance, Roland Institute of Pharmaceutical Sciences, Berhampur, India
| | - Mitali Sahoo
- Department of Pharmaceutical Analysis and Quality Assurance, Roland Institute of Pharmaceutical Sciences, Berhampur, India
| | - Satyanarayan Tripathy
- Department of Pharmaceutical Analysis and Quality Assurance, Roland Institute of Pharmaceutical Sciences, Berhampur, India
| | - Bimala Tripathy
- Department of Pharmaceutical Analysis and Quality Assurance, Roland Institute of Pharmaceutical Sciences, Berhampur, India
| | - Ramanath Deo
- Department of Pharmaceutical Analysis and Quality Assurance, Roland Institute of Pharmaceutical Sciences, Berhampur, India
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Satija G, Sharma B, Madan A, Iqubal A, Shaquiquzzaman M, Akhter M, Parvez S, Khan MA, Alam MM. Benzimidazole based derivatives as anticancer agents: Structure activity relationship analysis for various targets. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4355] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Garvit Satija
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry School of Pharmaceutical Education and Research, Jamia Hamdard New Delhi India
| | - Barkha Sharma
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry School of Pharmaceutical Education and Research, Jamia Hamdard New Delhi India
| | - Anish Madan
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry School of Pharmaceutical Education and Research, Jamia Hamdard New Delhi India
| | - Ashif Iqubal
- Department of Pharmacology School of Pharmaceutical Education and Research, Jamia Hamdard New Delhi India
| | - Mohammad Shaquiquzzaman
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry School of Pharmaceutical Education and Research, Jamia Hamdard New Delhi India
| | - Mymoona Akhter
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry School of Pharmaceutical Education and Research, Jamia Hamdard New Delhi India
| | - Suhel Parvez
- Department of Toxicology School of Chemical and Life Sciences, Jamia Hamdard New Delhi India
| | - Mohammad Ahmed Khan
- Department of Pharmacology School of Pharmaceutical Education and Research, Jamia Hamdard New Delhi India
| | - Mohammad Mumtaz Alam
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry School of Pharmaceutical Education and Research, Jamia Hamdard New Delhi India
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Saito J, Yakuwa N, Sandaiji N, Kawasaki H, Kaneko K, Suzuki T, Yamatani A, Sago H, Murashima A. Esomeprazole During Pregnancy and Lactation: Esomeprazole Levels in Maternal Serum, Cord Blood, Breast Milk, and the Infant's Serum. Breastfeed Med 2020; 15:598-601. [PMID: 32635742 DOI: 10.1089/bfm.2020.0175] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Background: Esomeprazole is the S-isomer of omeprazole and is used to treat stomach acid-related diseases. Most data regarding the safety of esomeprazole during pregnancy are derived from studies on omeprazole, and the data characterizing esomeprazole transfer across the placenta and excretion into breast milk are limited. In this report, we discuss the safety of esomeprazole with reference to drug concentrations in maternal and neonatal blood and breast milk. Materials and Methods: After the patient provided informed consent, esomeprazole concentrations in maternal serum, breast milk, cord blood, and infant's serum were measured after 10 mg of maternal oral esomeprazole administration. Case Report: A 34-year-old female diagnosed with rheumatoid arthritis received esomeprazole before and during pregnancy and lactation. The esomeprazole concentration in cord blood was 40% of the level in maternal serum. At 12 hours after delivery (23.2 hours after dose), omeprazole was not detected in the infant's serum. In breast milk, esomeprazole concentrations at 0.7, 4.0, and 8.2 hours after the last dose were 10.5, 19.6, and 3.0 ng/mL, respectively, and esomeprazole was not detected at 10 hours after maternal administration. The calculated daily infant dose of esomeprazole through breast milk was 0.003 mg/[kg·day]. The infant demonstrated normal developmental progress and no detectable drug-related adverse effects. Discussion and Conclusions: Exposure to esomeprazole through placenta and breast milk was not clinically relevant in the infant. Further studies are needed to evaluate any harmful effects after exposure to esomeprazole in utero or during breastfeeding after esomeprazole treatment.
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Affiliation(s)
- Jumpei Saito
- Department of Pharmacy, National Center for Child Health and Development, Tokyo, Japan
| | - Naho Yakuwa
- Japan Drug Information Institute in Pregnancy, National Center for Child Health and Development, Tokyo, Japan
| | - Noriko Sandaiji
- Department of Pharmacy, National Center for Child Health and Development, Tokyo, Japan
| | - Hiroyo Kawasaki
- Department of Pharmacy, National Center for Child Health and Development, Tokyo, Japan
| | - Kayoko Kaneko
- Division of Maternal Medicine, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan
| | - Tomo Suzuki
- Division of Obstetrics, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan
| | - Akimasa Yamatani
- Department of Pharmacy, National Center for Child Health and Development, Tokyo, Japan
| | - Haruhiko Sago
- Division of Obstetrics, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan
| | - Atsuko Murashima
- Japan Drug Information Institute in Pregnancy, National Center for Child Health and Development, Tokyo, Japan.,Division of Maternal Medicine, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan
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8
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Joshi AA, Nerkar PP. Determination of Proton Pump Inhibitors by Spectrophotometric, Chromatographic and by Hyphenated Techniques: A Review. Crit Rev Anal Chem 2020; 51:527-548. [DOI: 10.1080/10408347.2020.1750339] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Aditya A. Joshi
- Department of QA, R C Patel Institute of Pharmaceutical Education and Research, Shirpur, MS, India
| | - Pankaj P. Nerkar
- Department of QA, R C Patel Institute of Pharmaceutical Education and Research, Shirpur, MS, India
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9
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Experimental study and thermodynamic modeling of Esomeprazole (proton-pump inhibitor drug for stomach acid reduction) solubility in supercritical carbon dioxide. J Supercrit Fluids 2019. [DOI: 10.1016/j.supflu.2019.104606] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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10
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Ultra-high performance liquid chromatography-MS/MS (UHPLC-MS/MS) in practice: analysis of drugs and pharmaceutical formulations. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2019. [DOI: 10.1186/s43094-019-0007-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Abstract
Background
UHPLC-MS/MS is connected in various research facilities for the qualitative and quantitative investigation of a pharmaceutical substance, pharmaceutical items, and biological specimen.
Main body
The commence review article is an endeavor to offer pervasive awareness around assorted aspects and details about the UHPLC-MS/MS and related techniques with the aim on practice to an estimation of medicinal active agents in the last 10 years. The article also focused on isolation, separation, and characterization of present impurity in drug and biological samples.
Conclusion
Review article compiles a general overview of medicinally important drugs and their analysis with UHPLC-MS/MS. It gives fundamental thought regarding applications of UHPLC-MS/MS for the study on safety limit. The summary of developed UHPLC-MS/MS methods gives a contribution to the future trend and limitations in this area of research.
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11
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Kurbanoglu S, Karsavurdan O, Ozkan SA. Recent Advances on Drug Analyses Using Ultra Performance Liquid Chromatographic Techniques and their Application to the Biological Samples. CURR ANAL CHEM 2019. [DOI: 10.2174/1573411014666180423152612] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Introduction:
Ultra-Performance Liquid Chromatographic (UPLC) method enables analyst
to establish an analysis at higher pressure than High Performance Liquid Chromatographic (HPLC)
method towards liquid chromatographic methods. UPLC method provides the opportunity to study a
higher pressure compared to HPLC, and therefore smaller column in terms of particle size and internal
diameter are generally used in drug analysis. The UPLC method has attracted gradually due to its advantages
such as short analysis time, the small amount of waste reagents and the significant savings in
the cost of their destruction process. In this review, the recent selected studies related to the UPLC
method and its method validation are summarized. The drug analyses and the results of the studies
which were investigated by UPLC method, with certain parameters from literature are presented.
Background:
Quantitative determination of drug active substances by High-Performance Liquid
Chromatography (HPLC) from Liquid Chromatography (LC) methods has been carried out since the
1970's with the use of standard analytical LC methods. In today's conditions, rapid and very fast even
ultra-fast, flow rates are achieved compared to conventional HPLC due to shortening analysis times,
increasing method efficiency and resolution, reducing sample volume (and hence injection volume),
reducing waste mobile phase. Using smaller particles, the speed and peak capacity are expanding to
new limit and this technology is named as Ultra Performance Liquid Chromatography. In recent years,
as a general trend in liquid chromatography, ultra-performance liquid chromatography has taken the
place of HPLC methods. The time of analysis was for several minutes, now with a total analysis time
of around 1-2 minutes. The benefits of transferring HPLC to UPLC are much better understood when
considering the thousands of analyzes performed for each active substance, in order to reduce the cost
of analytical laboratories where relevant analysis of drug active substances are performed without
lowering the cost of research and development activities.
Methods:
The German Chemist Friedrich Ferdinand Runge, proposed the use of reactive impregnated
filter paper for the identification of dyestuffs in 1855 and at that time the first chromatographic method
in which a liquid mobile phase was used, was reviewed. Christian Friedrich Chönbein, who reported
that the substances were dragged at different speeds in the filter paper due to capillary effect, was
followed by the Russian botanist Mikhail S. Tswet, who planted studies on color pigment in 1906.
Tswet observes the color separations of many plant pigments, such as chlorophyll and xanthophyll
when he passes the plant pigment extract isolated from plant through the powder CaCO3 that he filled
in the glass column. This method based on color separation gives the name of "chromatographie"
chromatography by using the words "chroma" meaning "Latin" and "graphein" meaning writing.
Results and Conclusion:
Because the UPLC method can be run smoothly at higher pressures than the
HPLC method, it offers the possibility of analyzing using much smaller column sizes and column diameters.
Moreover, UPLC method has advantages, such as short analysis time, the small amount of
waste reagents and the significant savings in the cost of their destruction process. The use of the
UPLC method especially analyses in biological samples such as human plasma, brain sample, rat
plasma, etc. increasingly time-consuming due to the fact that the analysis time is very short compared
to the HPLC, because of the small amount of waste analytes and the considerable savings in their cost.
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Affiliation(s)
- Sevinc Kurbanoglu
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, Ankara, Turkey
| | - Ozer Karsavurdan
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, Ankara, Turkey
| | - Sibel A. Ozkan
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, Ankara, Turkey
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Srinandan V, Nagappan K, Patel S, Yamjala K, Byran G, Babu B. Simultaneous Quantification of Pantoprazole and Levosulpiride in Spiked Human Plasma Using High Performance Liquid Chromatography Tandem Mass Spectrometry. CURR PHARM ANAL 2018. [DOI: 10.2174/1573412914666180101142646] [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:
Pantoprazole (PTZ) and Levosulpiride (LS) were proven as effective agents for
the treatment of Gastro-Esophageal Reflux Disease (GERD). It is a complex motor disorder that results
in regurgitation of the gastric contents into the lower esophagus with consequent symptoms such as
heart burn, retrosternal pain, dysphagia and belching.
Methods:
A rapid, sensitive, selective and specific liquid chromatography- electro spray ionization
tandem mass spectrometry (LC-MS/MS) method was developed for the simultaneous quantification of
Pantoprazole (PTZ) and Levosulpiride (LS) in spiked Human Plasma. The method utilized SPE as sample
preparation technique and the analysis was carried out on a HPLC system utilizing electro spray
ionization as interface and triple quadrupole mass analyzer for quantification in MRM possitive mode.
Iloperidone was used as internal standard (IS). Chromatographic separation was performed on a Phenomenex
C-18 Column (4.6 mm x 50 mm, 5µ) with an isocratic elution mode utilizing a mobile phase
composition of Solution containing a mixture of 70 volumes of acetonitrile: 30 volumes of methanol
and 10mM ammonium formate (pH 4.0) at the ratio of 80:20 % v/v. The flow rate was maintained at
0.3 mL/min.
Results:
PTZ, LS and IS were detected and quantified with proton adducts at m/z 383.37→200.00, m/z
341.42→112.15 and 426.48→261.00 respectively. The linearity and range was established by fortifying
blank plasma samples in the concentration range of 3.5-2000 ng/mL for PTZ and 3.0-2400 ng/mL for
LS. The correlation coefficient (r2) was found to be ≥ 0.993 for PTZ and (r2) ≥ 0.990 for LS. The lower
limit of quantification for PTZ was 3.5 ng/mL and LS was 3.0 ng/mL. The intra and inter day precision
and accuracy for PTZ and LS were within the limits fulfilling the international acceptance criteria. PTZ
and LS were found to be stable throughout three freeze-thaw cycles, bench top and short term stability
studies.
Conclusion:
The proposed validated LC-MS/MS method offers a sensitive quantification of PTZ and
LS in spiked human plasma and can be utilized for the quantification of PTZ and LS in real-time
samples.
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Affiliation(s)
- Vulli Srinandan
- Department of Pharmaceutical Analysis, JSS College of Pharmacy, A Constituent College of Jagadguru Sri Shivarathreeshwara University, Mysuru, Udhagamandalam, India
| | - Krishnaveni Nagappan
- Department of Pharmaceutical Analysis, JSS College of Pharmacy, A Constituent College of Jagadguru Sri Shivarathreeshwara University, Mysuru, Udhagamandalam, India
| | - Sonam Patel
- Department of Pharmaceutical Analysis, JSS College of Pharmacy, A Constituent College of Jagadguru Sri Shivarathreeshwara University, Mysuru, Udhagamandalam, India
| | - Karthik Yamjala
- Department of Pharmaceutical Analysis, JSS College of Pharmacy, A Constituent College of Jagadguru Sri Shivarathreeshwara University, Mysuru, Udhagamandalam, India
| | - Gowramma Byran
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, A Constituent College of Jagadguru Sri Shivarathreeshwara University, Mysuru, Udhagamandalam, India
| | - Basavan Babu
- Department of Pharmaceutical Analysis, JSS College of Pharmacy, A Constituent College of Jagadguru Sri Shivarathreeshwara University, Mysuru, Udhagamandalam, India
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Cluver CA, Hannan NJ, van Papendorp E, Hiscock R, Beard S, Mol BW, Theron GB, Hall DR, Decloedt EH, Stander M, Adams KT, Rensburg M, Schubert P, Walker SP, Tong S. Esomeprazole to treat women with preterm preeclampsia: a randomized placebo controlled trial. Am J Obstet Gynecol 2018; 219:388.e1-388.e17. [PMID: 30055127 DOI: 10.1016/j.ajog.2018.07.019] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/17/2018] [Accepted: 07/20/2018] [Indexed: 01/30/2023]
Abstract
BACKGROUND Preterm preeclampsia has a high rate of fetal death or disability. There is no treatment to slow the disease, except delivery. Preclinical studies have identified proton pump inhibitors as a possible treatment. OBJECTIVE The purpose of this study was to examine whether esomeprazole could prolong pregnancy in women who have received a diagnosis of preterm preeclampsia. STUDY DESIGN We performed a double-blind, randomized controlled trial at Tygerberg Hospital in South Africa. Women with preterm preeclampsia (gestational age 26 weeks+0 days to 31 weeks+6 days) were assigned randomly to 40-mg daily esomeprazole or placebo. The primary outcome was a prolongation of gestation of 5 days. Secondary outcomes were maternal and neonatal outcomes. We compared circulating markers of endothelial dysfunction that was associated with preeclampsia and performed pharmacokinetic studies. RESULTS Between January 2016 and April 2017, we recruited 120 participants. One participant was excluded because of incorrect randomization, which left 59 participants in the esomeprazole and 60 participants in the placebo group. Median gestational age at enrolment was 29+4 weeks gestation. There were no between-group differences in median time from randomization to delivery: 11.4 days (interquartile range, 3.6-19.7 days) in the esomeprazole group and 8.3 days (interquartile range, 3.8-19.6 days) in the placebo group (3 days longer in the esomeprazole arm; 95% confidence interval, -2.9-8.8; P=.31). There were no placental abruptions in the esomeprazole group and 6 (10%) in the placebo group (P=.01, P=.14 adjusted). There were no differences in other maternal or neonatal outcomes or markers of endothelial dysfunction. Esomeprazole and its metabolites were detected in maternal blood among those treated with esomeprazole, but only trace amounts in the umbilical cord blood. CONCLUSION Daily esomeprazole (40 mg) did not prolong gestation in pregnancies with preterm preeclampsia or decrease circulating soluble fms-like tyrosine kinase 1 concentrations. Higher levels in the maternal circulation may be needed for clinical effect.
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Zhang P, Shi Y, He X, Sun W, Lv Y, Hou X. Study on screening potential allergenic proteins from infant milk powders based on human mast cell membrane chromatography and histamine release assays. J Pharm Anal 2018; 9:55-61. [PMID: 30740258 PMCID: PMC6355827 DOI: 10.1016/j.jpha.2018.08.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 08/23/2018] [Accepted: 08/24/2018] [Indexed: 01/29/2023] Open
Abstract
Cow's milk allergy is mainly observed in infants and young children. Most allergic reactions affect the skin, followed by the gastrointestinal and respiratory systems. Conventional diagnosis is based on positive allergy studies and evaluation of parameters including IgE and IgG1 levels, acute allergic skin response and anaphylactic shock reactions. We developed a cell membrane chromatographic (CMC) method based on human mast cells (HMC-1) for screening potential allergens in infant formula milk powders (IFMP). HMC-1 cell membranes were extracted and mixed with silica to prepare cell membrane chromatography columns (10 mm × 2 mm i.d., 5 µm). Under the conditions of 0.2 mL/min flow rate and 214 nm detection wavelength, human breast milk showed no retention. However, IFMP showed clear retention. The retained fractions were collected and analyzed through matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF-MS). Four major milk proteins, i.e., α-casein, β-casein, α-lactalbumin, and β-lactoglobulin A, were identified. Furthermore, these proteins and β-lactoglobulin B showed clear retention on HMC-1/CMC columns. To test the degranulation effects of the five proteins, histamine and β-hexosaminidase release assays were carried out. All five proteins induced HMC-1 cells to release histamine and β-hexosaminidase. Also, we established a reversed phase liquid chromatographic (RPLC) method for the determination of the five proteins in IFMP and the results showed that 90% proteins in IFMP were α-casein and β-casein. We concluded that cow's milk proteins may be potential allergens and caseins cause more β-casein allergic risk than other proteins. This conclusion was consistent with other studies.
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Affiliation(s)
- Ping Zhang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China.,Linyi Institute for Food and Drug Control, Linyi 276000, China
| | - Yingdi Shi
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China.,Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an 710061, China
| | - Xiaoshuang He
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China.,Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an 710061, China
| | - Wei Sun
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Yanni Lv
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Xiaofang Hou
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China.,Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an 710061, China
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15
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Al-Ghobashy MA, Kamal SM, El-Sayed GM, Attia AK, Nagy M, ElZeiny A, Elrakaiby MT, Nooh MM, Abbassi M, Aziz RK. Determination of voriconazole and co-administered drugs in plasma of pediatric cancer patients using UPLC-MS/MS: A key step towards personalized therapeutics. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1092:489-498. [PMID: 30008305 DOI: 10.1016/j.jchromb.2018.06.043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 06/06/2018] [Accepted: 06/19/2018] [Indexed: 01/17/2023]
Abstract
Untreated invasive aspergillosis results in high mortality rate in pediatric cancer patients. Voriconazole (VORI), the first line of treatment, requires strict dose monitoring because of its narrow therapeutic index and individual variation in plasma concentration levels. Commonly co-administered drugs; either Esomeprazole (ESO) or Ondansetron (OND) have reported drug-drug interaction with VORI that should adversely alter therapeutic outcomes of the latter. Although VORI, ESO and OND are co-administered to pediatric cancer patients, the combined effect of ESO and OND on the plasma concentration levels of VORI has not been fully explored. In this study, an accurate, reliable and sensitive liquid chromatography-tandem mass spectrometry (LC-MS/MS) assay was developed and validated for simultaneous determination of VORI, ESO, and OND in ultra-low sample volumes (25 μL) of plasma of pediatric cancer patients. Based on the physicochemical properties of the studied drugs and internal standard, liquid-liquid extraction was successfully adopted with methyl t-butyl ether. Consistent and reproducible recovery of the three drugs and the internal standard were calculated using plasma and matrix matched samples (RE% > 72.97%, RSD < 8.29%). Chromatographic separation was carried out using UPLC with C18 column and a mobile phase of acetonitrile:water:methanol (70:25:5 V/V/V) at 0.3 mL/min. Mass spectrometric determination at positive electrospray ionization in the MRM mode was employed. The analysis was achieved within 4 min over a linear concentration range of 1.00-200.00 ng/mL for the three drugs. The assay validity was assessed as per the Food and Drug Administration guidelines for bioanalytical method validation, and satisfactory results were obtained. The accuracy and precision were within the acceptable limits for the three drugs in both quality control and incurred plasma samples. Matrix effect and process efficiency were investigated in neat solvent, post-extraction matrix, and plasma. Correlation of the plasma concentration levels of the three drugs revealed differences from the reported drug-drug interactions. This confirmed the need for simultaneous determination of VORI and co-administered drugs in order to achieve optimal therapeutic outcomes. To achieve this, analysis results of this study, genetic polymorphisms in CYP2C19 and clinical data will be used to establish one model incorporating all possible factors that might lead to variation in therapeutic outcomes.
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Affiliation(s)
- Medhat A Al-Ghobashy
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Egypt; Bioanalysis Research Group, School of Pharmacy, Newgiza University, Egypt.
| | - Samah M Kamal
- National Organization for Drug Control and Research, Egypt
| | - Ghada M El-Sayed
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Egypt
| | - Ali K Attia
- National Organization for Drug Control and Research, Egypt
| | - Mohamed Nagy
- Department of Pharmaceutical Services, Children's Cancer Hospital (57357), Egypt
| | - Ahmed ElZeiny
- Department of Pharmaceutical Services, Children's Cancer Hospital (57357), Egypt
| | - Marwa T Elrakaiby
- Department of Microbiology & Immunology, Faculty of Pharmacy, Cairo University, Egypt
| | - Mohammed M Nooh
- Biochemistry Department, Faculty of Pharmacy, Cairo University, Egypt
| | - Maggie Abbassi
- Clinical Pharmacy Department, Faculty of Pharmacy, Cairo University, Egypt
| | - Ramy K Aziz
- Department of Microbiology & Immunology, Faculty of Pharmacy, Cairo University, Egypt
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16
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Akhtar W, Khan MF, Verma G, Shaquiquzzaman M, Rizvi MA, Mehdi SH, Akhter M, Alam MM. Therapeutic evolution of benzimidazole derivatives in the last quinquennial period. Eur J Med Chem 2016; 126:705-753. [PMID: 27951484 DOI: 10.1016/j.ejmech.2016.12.010] [Citation(s) in RCA: 129] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 11/10/2016] [Accepted: 12/03/2016] [Indexed: 12/21/2022]
Abstract
Benzimidazole, a fused heterocycle bearing benzene and imidazole has gained considerable attention in the field of contemporary medicinal chemistry. The moiety is of substantial importance because of its wide array of pharmacological activities. This nitrogen containing heterocycle is a part of a number of therapeutically used agents. Moreover, a number of patents concerning this moiety in the last few years further highlight its worth. The present review covers the recent work published by scientists across the globe during last five years.
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Affiliation(s)
- Wasim Akhtar
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India
| | - Mohemmed Faraz Khan
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India
| | - Garima Verma
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India
| | - M Shaquiquzzaman
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India
| | - M A Rizvi
- Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Syed Hassan Mehdi
- Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Mymoona Akhter
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India
| | - M Mumtaz Alam
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India.
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