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Bellay R, Bonnaure AC, Rault P, Pertuisel S, Lester MA, Boivin PN. Stability of 5 mg/mL Nitrendipine Oral Suspension in Syrspend ® SF PH4. PHARMACEUTICAL TECHNOLOGY IN HOSPITAL PHARMACY 2018. [DOI: 10.1515/pthp-2017-0030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
Nitrendipine is prescribed to children for the treatment of primary hypertension (off-label use). Available specialties (Nidrel®, Baypress® and others generic drugs) are only marketed in tablet form, which is unsuitable for pediatric use. A hospital preparation of nitrendipine oral suspension at 5 mg/mL was developed. The aim of the study was to determine physicochemical and microbiological stability of the nitrendipine oral suspension in order to set a shelf life for the preparation.
Methods
A validated high-performance liquid chromatographic (HPLC) method was developed for the assay of nitrendipine. Nitrendipine oral suspensions were prepared using 20 mg Nidrel® tablets and suspending vehicle Syrspend® SF PH4. These preparations were packaged in amber glass bottles and stored at room temperature. The physicochemical (pH, osmolality, nitrendipine concentration, macroscopic changes) and microbiological stability of the preparation was tested over 90 days. Nitrendipine concentration at day 0 was considered as 100 % and nitrendipine concentration in subsequent samples greater than 95 % were considered stable.
Results
The developed HPLC method was validated in terms of linearity, accuracy, precision and specificity. After 90 days, no significant pH and osmolality variation was observed. No microbial growth was noted. Concentrations of nitrendipine were found to be always higher 95 % of the initial concentration.
Conclusions
Nitrendipine oral suspensions 5 mg/mL are stable for at least 90 days when stored at temperature room and in amber glass bottles. This suspension is more suitable for children than tablets and allows obtaining accurate doses based on patient’s body weight.
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Affiliation(s)
- Romain Bellay
- Pharmacy , CHU de Rennes , 2 rue Henri Le Guilloux, 35000 Rennes , France
| | | | - Pauline Rault
- Pharmacy , CHU de Rennes , 2 rue Henri Le Guilloux, 35000 Rennes , France
| | - Sophie Pertuisel
- Pediatric Oncology , CHU de Rennes , 2 rue Henri Le Guilloux, 35000 Rennes , France
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Ahad A, Shakeel F, Raish M, Al-Jenoobi FI, Al-Mohizea AM. Solubility and Thermodynamic Analysis of Antihypertensive Agent Nitrendipine in Different Pure Solvents at the Temperature Range of 298.15 to 318.15°K. AAPS PharmSciTech 2017; 18:2737-2743. [PMID: 28321695 DOI: 10.1208/s12249-017-0759-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 03/06/2017] [Indexed: 01/07/2023] Open
Abstract
The aim of the present study was to ascertain the solubility of nitrendipine (NP), an antihypertensive drug in six different pure solvents such as water, ethyl acetate (EA), ethanol, isopropyl alcohol (IPA), polyethylene glycol-400 (PEG-400), and Transcutol at temperature from 298.15 to 318.15 K under atmospheric pressure (p) of 0.1 MPa. Experimental solubility data of NP was fitted with Apelblat and ideal models. The mole fraction solubility of NP was found maximum in PEG-400 (6.85 × 10-2 at 318.15 K) followed by Transcutol (4.65 × 10-2 at 318.15 K), EA (1.68 × 10-2 at 318.15 K), ethanol (2.83 × 10-3 at 318.15 K), IPA (2.69 × 10-3 at 318.15 K), and water (1.29 × 10-7 at 318.15 K). The dissolution activity of NP was observed as an endothermic, spontaneous, and an entropy-driven in most of studied pure solvents. The solubility data of NP obtained in the present study could be useful in purification, recrystallization, and dosage forms design of NP.
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Shang D, Wang X, Zhao X, Huang F, Tian G, Lu W, Zhou T. Simultaneous determination of nitrendipine and hydrochlorothiazide in spontaneously hypertensive rat plasma using HPLC with on-line solid-phase extraction. J Chromatogr B Analyt Technol Biomed Life Sci 2011; 879:3459-64. [DOI: 10.1016/j.jchromb.2011.09.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2011] [Revised: 09/03/2011] [Accepted: 09/12/2011] [Indexed: 10/17/2022]
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Shi X, Liu M, Sun M, Wang Q, Liu W, Cao D. Development of a LC-ESI-MS3 method for determination of nitrendipine in human plasma. J Pharm Biomed Anal 2011; 56:1101-5. [PMID: 21885229 DOI: 10.1016/j.jpba.2011.07.043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2011] [Revised: 07/29/2011] [Accepted: 07/29/2011] [Indexed: 10/17/2022]
Abstract
A novel and sensitive method utilizing high performance liquid chromatography coupled with electrospray ionization source tandem mass spectrometry (LC-ESI-MS(3)) was developed for the first time in order to analyze nitrendipine in human plasma samples. Human plasma samples were prepared by protein precipitation with acetonitrile and well resolved on a 100 mm reversed-phase column in gradient elution with 0.05% (v/v) formic acid in acetonitrile as the mobile phase. Determination was performed in MS(3) scan mode for nitrendipine and in the multiple reaction monitoring (MRM) mode for nimodipine (internal standard). This method, having a lower limit of quantification (LLOQ) of 0.05 ng/mL when using a 100 μL sample aliquot (5 pg/sample), is acceptable for calibration of the linearity and repeatability and is of better sensitivity than the reported methods (>0.25 ng/mL). The major advantages of the method are that small sample volume (100 μL) is required, simple sample processing technique, high sensitivity and excellent selectivity is guaranteed by the MS(3) detection. The proposed validated method has been successfully applied to a clinical study on nitrendipine.
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Affiliation(s)
- Xiaowei Shi
- School of Pharmacy, Hebei Medical University, 361 East Zhongshan Road, 050017 Shijiazhuang, China.
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Development of ultra fast liquid chromatographic method for simultaneous determination of nitrendipine and carvone in skin diffusate samples. J Pharm Biomed Anal 2009; 50:1080-4. [DOI: 10.1016/j.jpba.2009.06.047] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2009] [Revised: 06/23/2009] [Accepted: 06/24/2009] [Indexed: 01/11/2023]
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Natishan TK. Recent Developments of Achiral HPLC Methods in Pharmaceuticals Using Various Detection Modes. J LIQ CHROMATOGR R T 2007. [DOI: 10.1081/jlc-120030603] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Theresa K. Natishan
- a Merck & Co., Inc., Merck Research Laboratories , RY818‐C215, P.O. Box 2000, Rahway , New Jersey , 07065 , USA
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Pastera J, Mejstríková L, Zoulová J, Macek K, Kvetina J. Simultaneous determination of nitrendipine and one of its metabolites in plasma samples by gas chromatography with electron-capture detection. J Pharm Biomed Anal 2007; 44:674-9. [PMID: 16920316 DOI: 10.1016/j.jpba.2006.06.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2006] [Revised: 06/23/2006] [Accepted: 06/29/2006] [Indexed: 11/18/2022]
Abstract
A sensitive method for GC-ECD simultaneous determination of nitrendipine and its pyridine metabolite M1 in human plasma is described. Felodipine was used as the internal standard. The plasma samples were extracted with toluene. One microlitre of the extract was injected onto the capillary column (polymethylsiloxane) and measured with electron-capture detector. The developed method showed to be linear over the range 0.25-70 for nitrendipine and 0.3-61 ng/ml for its metabolite M1 with an inter-day and intra-day precision in terms of R.S.D. lower than 8% except the concentrations near lowest limit of quantification (LLOQ) (<11% R.S.D.). The LLOQ for nitrendipine was 0.25 and 0.3 ng/ml for its metabolite, respectively. The analytical recovery was 94% for nitrendipine and 89% for its pyridine metabolite M1. This GC-ECD method was developed for being used in clinical pharmacokinetic studies.
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Affiliation(s)
- J Pastera
- Institute of Experimental Biopharmaceutics, Joint Research Center of PRO.MED.CS Praha a.s. and Academy of Sciences of the Czech Republic, Heyrovského 1207, CZ-500 03 Hradec Králové, Czech Republic.
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Venishetty VK, Durairaj C, Sistla R, Yamsani MR, Diwan PV. Development and validation of a reversed-phase HPLC method for determination of nitrendipine in rat plasma: application to pharmacokinetic studies. Biomed Chromatogr 2007; 21:363-8. [PMID: 17236247 DOI: 10.1002/bmc.761] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A simple and sensitive method for the determination of nitrendipine in rat plasma was developed using high-performance liquid chromatography (HPLC). The procedure involves extraction of nitrendipine in dichloromethane/sodium hydroxide, followed by reversed phase HPLC using a Waters, Spherisorb ODS2 (250 x 4.6 mm, 5 microm) column and UV detection at 238 nm. The retention times of nitrendipine and internal standard (felodipine) were 5.0 min and 7.5 min, respectively. The calibration curves were linear over the range of 5 ng/mL (lower limit of quantification, LOQ) to 200 ng/mL for nitrendipine. The intra- and inter-day coefficients of variation for all criteria of validation were less than 15% over the linearity range. The sensitivity and precision of the method were within the accepted limits (< 15%) throughout the validation period. The present method was also successfully applied for the study of plasma pharmacokinetics of nitrendipine loaded solid lipid nanoparticles (SLN) in rats.
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Affiliation(s)
- Vinay Kumar Venishetty
- Pharmacology Division, Indian Institute of Chemical Technology, Tarnaka, Hyderabad, Andhra Pradesh, India
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Wang H, Zhang L, Wang Q, Yuan Z, Li M. Validated LC–MS–MS method for determination of m-nisoldipine polymorphs in rat plasma and its application to pharmacokinetic studies. J Chromatogr B Analyt Technol Biomed Life Sci 2006; 835:71-6. [PMID: 16567136 DOI: 10.1016/j.jchromb.2006.03.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2005] [Revised: 01/27/2006] [Accepted: 03/05/2006] [Indexed: 11/15/2022]
Abstract
A sensitive and specific liquid chromatography-tandem mass spectrometric (LC-MS-MS) method has been developed to determine m-nisoldipine in rat plasma. Sample was pretreated by a single-step protein precipitation with acetonitrile, in contrast to the liquid-liquid procedure frequently used for the extraction of 1,4-dihydropyridines from biologic samples. Separation of analyte and internal standard (I.S.) was performed on a Symmetry RP-C(18) analytic column (50 mm x 4.6 mm, 3.5 microm) with a mobile phase consisting of acetonitrile-water (80:20, v/v) at a flow rate of 0.5 ml/min. The API 4000 triple quadrupole mass spectrometer was operated in multiple reaction monitoring (MRM) scan mode using TurboIonSpray ionization (ESI) source. The method was sensitive with a lower limit of quantification (LLOQ) of 0.2 ng/mL, with good linearity (r>or=0.9982) over the linear range of 0.2-20 ng/mL. All the validation data, such as accuracy, precision, and inter-day repeatability, were within the required limits. The method was successfully applied to pharmacokinetic and relative bioavailability studies of m-nisoldipine polymorphs in rats.
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Affiliation(s)
- Hairong Wang
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, PR China
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Baranda AB, Mueller CA, Alonso RM, Jiménez RM, Weinmann W. Quantitative Determination of the Calcium Channel Antagonists Amlodipine, Lercanidipine, Nitrendipine, Felodipine, and Lacidipine in Human Plasma Using Liquid Chromatography-Tandem Mass Spectrometry. Ther Drug Monit 2005; 27:44-52. [PMID: 15665746 DOI: 10.1097/00007691-200502000-00010] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
A sensitive and specific liquid chromatography-tandem mass spectrometric method has been developed and validated for the quantification of the five 1,4-dihydropyridine calcium channel antagonists amlodipine, lercanidipine, nitrendipine, felodipine, and lacidipine in human plasma. Sample preparation involved solid-phase extraction on RP-C18 cartridges with good recovery for all the compounds. Sample analysis was performed on a Luna RP-C18 analytical column (15 mm x 2 mm ID, 3.0 microm) with a Sciex API 365 triple quadrupole mass spectrometer with turboionspray source and multiple reaction monitoring. The method is sensitive with a limit of detection below 1 ng/mL for each drug in plasma, with good linearity (r(2) > 0.998), over the therapeutic concentration range (1 to 40 ng/mL). All the validation data, such as accuracy, precision, and interday repeatability, were within the required limits. The method can be used for pharmacokinetic studies and therapeutic drug monitoring of the compounds in humans.
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Affiliation(s)
- Ana B Baranda
- Departamento de Química Analítica, Facultad de Ciencia y Tecnología, Universidad del País Vasco/EHU, Apdo. 644, E-48080 Bilbao, Spain.
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