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Mohammed MS, Hefnawy MM, Al-Majed AA, Alrabiah HK, Algrain NA, Obaidullah AJ, Altamimi AS, Bin Jardan YA, Al-Hossaini AM. Development and Validation of a Chiral Liquid Chromatographic Assay for Enantiomeric Separation and Quantification of Verapamil in Rat Plasma: Stereoselective Pharmacokinetic Application. Molecules 2021; 26:2091. [PMID: 33917412 PMCID: PMC8038655 DOI: 10.3390/molecules26072091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/02/2021] [Accepted: 04/04/2021] [Indexed: 11/17/2022] Open
Abstract
A novel, fast and sensitive enantioselective HPLC assay with a new core-shell isopropyl carbamate cyclofructan 6 (superficially porous particle, SPP) chiral column (LarihcShell-P, LSP) was developed and validated for the enantiomeric separation and quantification of verapamil (VER) in rat plasma. The polar organic mobile phase composed of acetonitrile/methanol/trifluoroacetic acid/triethylamine (98:2:0.05: 0.025, v/v/v/v) and a flow rate of 0.5 mL/min was applied. Fluorescence detection set at excitation/emission wavelengths 280/313 nm was used and the whole analysis process was within 3.5 min, which is 10-fold lower than the previous reported HPLC methods in the literature. Propranolol was selected as the internal standard. The S-(-)- and R-(+)-VER enantiomers with the IS were extracted from rat plasma by utilizing Waters Oasis HLB C18 solid phase extraction cartridges without interference from endogenous compounds. The developed assay was validated following the US-FDA guidelines over the concentration range of 1-450 ng/mL (r2 ≥ 0.997) for each enantiomer (plasma) and the lower limit of quantification was 1 ng/mL for both isomers. The intra- and inter-day precisions were not more than 11.6% and the recoveries of S-(-)- and R-(+)-VER at all quality control levels ranged from 92.3% to 98.2%. The developed approach was successfully applied to the stereoselective pharmacokinetic study of VER enantiomers after oral administration of 10 mg/kg racemic VER to Wistar rats. It was found that S-(-)-VER established higher Cmax and area under the concentration-time curve (AUC) values than the R-(+)-enantiomer. The newly developed approach is the first chiral HPLC for the enantiomeric separation and quantification of verapamil utilizing a core-shell isopropyl carbamate cyclofructan 6 chiral column in rat plasma within 3.5 min after solid phase extraction (SPE).
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Affiliation(s)
- Mostafa S. Mohammed
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia; (M.S.M.); (A.A.A.-M.); (H.K.A.); (N.A.A.); (A.J.O.); (A.M.A.-H.)
- National Organization for Drug Control and Research, Cairo P.O. Box 29, Egypt
| | - Mohamed M. Hefnawy
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia; (M.S.M.); (A.A.A.-M.); (H.K.A.); (N.A.A.); (A.J.O.); (A.M.A.-H.)
- Department of Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Abdulrhman A. Al-Majed
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia; (M.S.M.); (A.A.A.-M.); (H.K.A.); (N.A.A.); (A.J.O.); (A.M.A.-H.)
| | - Haitham K. Alrabiah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia; (M.S.M.); (A.A.A.-M.); (H.K.A.); (N.A.A.); (A.J.O.); (A.M.A.-H.)
| | - Nasser A. Algrain
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia; (M.S.M.); (A.A.A.-M.); (H.K.A.); (N.A.A.); (A.J.O.); (A.M.A.-H.)
| | - Ahmad J. Obaidullah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia; (M.S.M.); (A.A.A.-M.); (H.K.A.); (N.A.A.); (A.J.O.); (A.M.A.-H.)
| | - Abdulmalik S. Altamimi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia;
| | - Yousef A. Bin Jardan
- Department of Pharmaceutics, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia;
| | - Abdullah M. Al-Hossaini
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia; (M.S.M.); (A.A.A.-M.); (H.K.A.); (N.A.A.); (A.J.O.); (A.M.A.-H.)
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Pieterse CL, Rungger I, Gilmore IS, Wickramasinghe RC, Hanley L. An Experimental and Theoretical Study of Laser Postionization of Femtosecond-Laser-Desorbed Drug Molecules. J Phys Chem Lett 2020; 11:8616-8622. [PMID: 32960067 DOI: 10.1021/acs.jpclett.0c02365] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Femtosecond laser desorption postionization mass spectrometry using 7.9 eV single-photon ionization (7.9 eV fs-LDPI-MS) detected three of four drug compounds previously found to have very low ionization efficiencies by secondary ion mass spectrometry. Electronic structure calculations of the ionization energies and other properties of these four drug compounds predicted that all display ionization energies below the 7.9 eV photon energy, as required for single-photon ionization. The 7.9 eV fs-LDPI-MS of carbamazepine, imipramine, and verapamil all showed significant precursor (M+) ion signal, but no representative signal was observed for ciprofloxacin. Furthermore, 7.9 eV fs-LDPI-MS displayed higher M+ signals and mostly similar fragment ions compared with 70 eV electron impact mass spectrometry. Ionization and fragmentation patterns are discussed in terms of calculated wave functions for the highest occupied molecular orbitals. The implications for improving lateral resolution and sensitivity of MS imaging of drug compounds are also considered.
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Affiliation(s)
| | - Ivan Rungger
- National Physical Laboratory, Hampton Road, Teddington TW11 0LW, U.K
| | - Ian S Gilmore
- National Physical Laboratory, Hampton Road, Teddington TW11 0LW, U.K
| | | | - Luke Hanley
- Department of Chemistry, University of Illinois at Chicago, Chicago, Illinois 60607, United States
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Michishita T, Franco P, Zhang T. New approaches of LC-MS compatible method development on α1-acid glycoprotein-based stationary phase for resolution of enantiomers by HPLC. J Sep Sci 2010; 33:3627-37. [DOI: 10.1002/jssc.201000627] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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4
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Felix G, Berthod A. Commercial Chiral Stationary Phases for the Separations of Clinical Racemic Drugs. SEPARATION AND PURIFICATION REVIEWS 2007. [DOI: 10.1080/15422110701826997] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Penmetsa KV, Reddick CD, Fink SW, Kleintop BL, DiDonato GC, Volk KJ, Klohr SE. DEVELOPMENT OF REVERSED-PHASE CHIRAL HPLC METHODS USING MASS SPECTROMETRY COMPATIBLE MOBILE PHASES. J LIQ CHROMATOGR R T 2007. [DOI: 10.1081/jlc-100101492] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Kumar V. Penmetsa
- a Bristol-Myers Squibb Pharmaceutical Research Institute , Analytical Research and Development, New Brunswick, NJ, 08903, U.S.A
| | - Christopher D. Reddick
- a Bristol-Myers Squibb Pharmaceutical Research Institute , Analytical Research and Development, New Brunswick, NJ, 08903, U.S.A
| | - Saul W. Fink
- a Bristol-Myers Squibb Pharmaceutical Research Institute , Analytical Research and Development, New Brunswick, NJ, 08903, U.S.A
| | - Brent L. Kleintop
- a Bristol-Myers Squibb Pharmaceutical Research Institute , Analytical Research and Development, New Brunswick, NJ, 08903, U.S.A
| | - Gerald C. DiDonato
- a Bristol-Myers Squibb Pharmaceutical Research Institute , Analytical Research and Development, New Brunswick, NJ, 08903, U.S.A
| | - Kevin J. Volk
- a Bristol-Myers Squibb Pharmaceutical Research Institute , Analytical Research and Development, New Brunswick, NJ, 08903, U.S.A
| | - Steven E. Klohr
- a Bristol-Myers Squibb Pharmaceutical Research Institute , Analytical Research and Development, New Brunswick, NJ, 08903, U.S.A
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Zheng J, Shamsi SA. Simultaneous enantioseparation and sensitive detection of eight beta-blockers using capillary electrochromatography-electrospray ionization-mass spectrometry. Electrophoresis 2006; 27:2139-51. [PMID: 16645981 DOI: 10.1002/elps.200500874] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The feasibility of using vancomycin chiral stationary phase (CSP) and polar organic eluent is investigated for simultaneous enantioseparation of eight beta-blockers using CEC coupled to ESI mass spectrometric detection (ESI-MS). The internally tapered capillaries were utilized to pack CEC-MS columns. As compared to externally tapered columns, the use of internally tapered columns demonstrated enhanced stability, durability, and reproducibility. A mixture containing methanol/ACN/acetic acid/triethylamine at 70:30:1.6:0.2 v/v/v/v was considered as optimum mobile phase since it provided a good compromise between resolution and analysis time. As expected, sheath liquid and ESI-MS parameters mainly influenced the detection sensitivity. Interestingly, structural information of beta-blockers was available by varying the MS fragmentor voltage using in-house CID in the scan mode. In order to maximize the chiral/achiral resolution, various column-coupling approaches using teicoplanin as complementary CSP to vancomycin were tested. Several changes in the elution order of beta-blockers were observed using multimodal CSPs with some improvement in chiral or achiral resolution. The quantitative aspects of the CEC-MS method were demonstrated using R- and S-talinolol as internal standards. The calibration curves of beta-blockers showed good linearity in the range of 3-600 microM. The enantiomer of beta-blockers at a concentration of 30 nM was detectable. Furthermore, both 0.1 and 1% of the S-enantiomer could be precisely quantified in the presence of 99.9 and 99% of the R-isomer of beta-blocker.
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Affiliation(s)
- Jack Zheng
- Department of Chemistry, Center of Biotechnology and Drug Design, Georgia State University, Atlanta, 30302, USA
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Bhushan R, Gupta D. Thin-layer chromatography separation of enantiomers of verapamil using macrocyclic antibiotic as a chiral selector. Biomed Chromatogr 2005; 19:474-8. [PMID: 16037933 DOI: 10.1002/bmc.520] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Silica gel thin-layer chromatography plates impregnated with macrocyclic antibiotic, vancomycin, as chiral selector were prepared and used for the resolution of (+/-)-verapamil. A mobile phase system of acetonitrile-methanol-water (15:2.5:2.5, v/v) was worked out systematically. The effects of chiral selector, temperature and pH on resolution were also studied. The spots were detected with iodine vapors and the detection limit was found to be 0.074 microg of each enantiomers.
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Affiliation(s)
- R Bhushan
- Department of Chemistry, Indian Institute of Technology, Roorkee-247 667, India.
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Bojarski J. Stereoselective chromatography of cardiovascular drugs: an update. JOURNAL OF BIOCHEMICAL AND BIOPHYSICAL METHODS 2002; 54:197-220. [PMID: 12543499 DOI: 10.1016/s0165-022x(02)00143-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
This review reports the latest achievements in chromatographic enantioseparations of various classes of cardiovascular drugs and selected applications of these methods in pharmaceutical and clinical analysis. The use of these drugs as test compounds for new chiral stationary phases and different parameters of chromatographic processes is also presented.
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Affiliation(s)
- Jacek Bojarski
- Department of Organic Chemistry, Medical College, Faculty of Pharmacy, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland.
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Miller-Stein C, Fernandez-Metzler C. Determination of chiral sulfoxides in plasma by normal-phase liquid chromatography-atmospheric pressure chemical ionization mass spectrometry. J Chromatogr A 2002; 964:161-8. [PMID: 12198844 DOI: 10.1016/s0021-9673(02)00667-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
A sensitive and specific assay has been developed and validated for the separation of a chiral sulfoxide drug candidate with simultaneous determination of the corresponding sulfide and sulfone in plasma by normal-phase LC-MS-MS. Separation was achieved on a Chiralpak AD (100 x 2.1 mm) column with a 2-propanol-hexane (80:20) mobile phase within 7 min. Aqueous mobile phase (2-propanol-10 mM ammonium acetate, 75:25) was added post-column prior to introduction into the heated nebulizer interface of a Sciex API 3 plus mass spectrometer, to avoid the explosion hazard of hexane-containing mobile phases in the presence of a corona discharge. The linear range of this assay was 5-2500 ng/ml. The accuracy and precision of the chiral sulfoxides, the sulfide and the sulfone were within +/- 15% across the linear range. The limit of quantitation for each component was 5 ng/ml based on the extraction of 0.25 ml plasma. The recovery for each component was between 82 and 120%. This assay was sufficiently sensitive and specific to support pre-clinical development studies in rats, dogs and monkeys.
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Affiliation(s)
- Cynthia Miller-Stein
- Department of Drug Metabolism, Merck Research Laboratories, Sumneytown Pike, West Point, PA 19486, USA.
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Toussaint B, Pitti C, Streel B, Ceccato A, Hubert P, Crommen J. Quantitative analysis of N-acetylcysteine and its pharmacopeial impurities in a pharmaceutical formulation by liquid chromatography-UV detection-mass spectrometry. J Chromatogr A 2000; 896:191-9. [PMID: 11093654 DOI: 10.1016/s0021-9673(00)00741-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
A new method for the simultaneous determination of N-acetylcysteine and its pharmacopeial impurities, cysteine, cystine, N,N'-diacetylcystine and N,S-diacetylcysteine in an effervescent tablet has been developed. The method is based on on-line LC-UV-MS using a pneumatically-assisted electrospray interface (ionspray). The stability of the thiol moieties of the analytes was ensured by the acidic pH of the LC mobile phase. Quantitation of N-acetylcysteine was performed with UV detection to avoid ion-source overloading effect due to its higher concentration, whereas the impurities could be easily separated and quantified in MS. The method was validated in terms of stability, linearity, precision and accuracy.
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Affiliation(s)
- B Toussaint
- Department of Analytical Pharmaceutical Chemistry, Institute of Pharmacy, University of Liège, CHU, Belgium.
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Toussaint B, Streel B, Ceccato A, Hubert P, Crommen J. Determination of the enantiomers of 3-tert.-butylamino-1,2-propanediol by high-performance liquid chromatography using mass spectrometric detection. J Chromatogr A 2000; 896:201-7. [PMID: 11093655 DOI: 10.1016/s0021-9673(00)00558-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The chiral synthesis of beta-blockers such as (S)-timolol requires a sensitive analytical method for the enantioseparation of its intermediate, 3-tert.-butylamino-1,2-propanediol, in the ng/ml range. The method developed is based on on-line normal-phase LC-MS-MS using a chiral stationary phase and an atmospheric pressure chemical ionization (APCI) interface. The MS detection of 3-tert.-butylamino-1,2-propanediol was first optimized with a pneumatically-assisted electrospray interface (ionspray). The APCI interface was then selected for LC-MS-MS because of the incompatibility of electrospray with n-hexane. The method was validated for both enantiomers in the 25-500 ng/ml concentration range.
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Affiliation(s)
- B Toussaint
- Department of Analytical Pharmaceutical Chemistry, Institute of Pharmacy, University of Liège, CHU, Belgium.
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Chapter 9 Recent developments in liquid chromatographic enantioseparation. ACTA ACUST UNITED AC 2000. [DOI: 10.1016/s1567-7192(00)80012-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Rustichelli C, Gamberini MC, Ferioli V, Gamberini G. Properties of the racemic species of verapamil hydrochloride and gallopamil hydrochloride. Int J Pharm 1999; 178:111-20. [PMID: 10205631 DOI: 10.1016/s0378-5173(98)00355-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
It is well known that the stereoselective actions associated with the enantiomeric constituents of a racemic drug can differ markedly in their pharmacodynamic or pharmacokinetic properties. Nevertheless, molecular chirality manifests itself in the solid, that is, crystalline state. The aim of this work was to characterize the solid-state properties of verapamil HCl and gallopamil HCl, two well-known chiral calcium channel antagonists. The characterization of the solid state for the single enantiomers and equimolecular mixtures for both the calcium antagonists was performed by solid-state techniques such as Fourier transform infrared (FT-IR spectroscopy), X-ray powder diffractometry (XRD) and differential scanning calorimetry (DSC). The FT-IR spectra and XRD of the single enantiomers are different from those of the corresponding equimolecular mixture owing to their different crystalline structure. The thermal behavior of the racemates and pure enantiomers were examined by DSC, and the resultant experimental and theoretical binary phase diagrams are discussed. Spectroscopic solid-state techniques, such as FT-IR and XRD, are useful in combination with thermal analysis for characterizing the racemic species of chiral drugs. The data obtained prove that the equimolecular mixtures of both verapmil hydrochloride and gallopamil hydrochloride exist as racemic compounds. Determination of the enantiomeric purity of the enantiomers and racemic compounds of both the calcium antagonists analyzed was performed by DSC.
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Affiliation(s)
- C Rustichelli
- Dipartimento di Scienze Farmaceutiche, Università di Modena, Italy
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