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Structural optimization and in vivo evaluation of a colorectal stent with anti-migration and anti-tumor properties. Acta Biomater 2022; 154:123-134. [PMID: 36306985 DOI: 10.1016/j.actbio.2022.10.040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 10/12/2022] [Accepted: 10/19/2022] [Indexed: 01/24/2023]
Abstract
Clinically, colorectal stents can only palliatively relieve obstruction caused by colorectal cancer (CRC), with a high incidence of stent migration and tumor-related re-obstruction. To overcome these shortcomings, we developed a colorectal stent composed of a structure-optimized nitinol braided stent and a tubular film including an inner layer of poly (ethylene-co-vinyl acetate) (EVA) and a segmental outer layer of EVA with paclitaxel (PTX). The braiding pattern, segment number, and end shape of the stent were optimized based on the mechanical properties, ex vivo and in vivo anti-migration performance, and tissue response of the stent. The optimized nitinol stent had a structure of one middle segment in a hook-pattern and two end segments in a cross-pattern with two studs on each end in a staggered arrangement. Structure-optimized colorectal stents were prepared and evaluated in vivo. PTX released from the stent was mostly distributed in the rabbit rectum in contact with it. The biosafety of the colorectal stent was evaluated using blood tests, biochemical analysis, anatomical observation, and pathological analysis. The anti-tumor effect of the stent was also evaluated by endoscopy, anatomical observation, and pathological and immunohistochemical analyses in rabbits with orthotopic CRC. The results demonstrate that the optimized colorectal stents have effective anti-migration ability and anti-tumor effects with good biosafety. STATEMENT OF SIGNIFICANCE: In order to overcome the most common disadvantages of migration and re-obstruction of colorectal stents clinically, a colorectal stent composed of a structure-optimized nitinol stent and a tubular film including an inner layer of EVA and a segmental outer layer of EVA with PTX was put forward in this study. The optimized nitinol stent had a structure of one middle segment in hook-pattern and two end segments in cross-pattern with two studs on each end in staggered arrangement. The resulting colorectal stent has been proved with good anti-migration ability, anti-tumor effects, and biosafety in vivo, which provides a safe and effective potential treatment modality for patients with colorectal cancer.
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de Gooijer MC, Kemper EM, Buil LCM, Çitirikkaya CH, Buckle T, Beijnen JH, van Tellingen O. ATP-binding cassette transporters restrict drug delivery and efficacy against brain tumors even when blood-brain barrier integrity is lost. CELL REPORTS MEDICINE 2021; 2:100184. [PMID: 33521698 PMCID: PMC7817868 DOI: 10.1016/j.xcrm.2020.100184] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 07/21/2020] [Accepted: 12/16/2020] [Indexed: 12/22/2022]
Abstract
The impact of a compromised blood-brain barrier (BBB) on the drug treatment of intracranial tumors remains controversial. We characterize the BBB integrity in several intracranial tumor models using magnetic resonance imaging, fluorescent dyes, and autoradiography and determine the distribution and efficacy of docetaxel in brain tumors grafted in Abcb1-proficient and Abcb1-deficient mice. Leakiness of the tumor vasculature varies from extensive to absent. Regardless of the extent of leakiness, tumor blood vessels express ATP-binding cassette transporters (Abcb1 and Abcg2). A leaky vasculature results in higher docetaxel tumor levels compared to normal brain. Nevertheless, Abcb1 can reduce drug distribution and efficacy even in leaky models. Thus, BBB leakiness does not ensure the unimpeded access of ATP-binding cassette transporter substrate drugs. Therapeutic responses may be observed, but the full potential of such therapeutics may still be attenuated. Consequently, BBB-penetrable drugs with little to no affinity for efflux transporters are preferred for the treatment of intracranial tumors. Blood-brain barrier integrity in brain tumor models varies from intact to absent Brain tumor vessels express drug efflux transporters Drug transporters can impede drug entry and efficacy, even in leaky tumors Low-affinity ABC transporter drugs are favored candidates for treating brain tumors
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Affiliation(s)
- Mark C de Gooijer
- Division of Pharmacology, the Netherlands Cancer Institute, Amsterdam, the Netherlands.,Mouse Cancer Clinic, the Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - E Marleen Kemper
- Department of Hospital Pharmacy, Academic Medical Center, Amsterdam, the Netherlands
| | - Levi C M Buil
- Division of Pharmacology, the Netherlands Cancer Institute, Amsterdam, the Netherlands.,Mouse Cancer Clinic, the Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Ceren H Çitirikkaya
- Division of Pharmacology, the Netherlands Cancer Institute, Amsterdam, the Netherlands.,Mouse Cancer Clinic, the Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Tessa Buckle
- Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Jos H Beijnen
- Division of Pharmacology, the Netherlands Cancer Institute, Amsterdam, the Netherlands.,Department of Pharmacy and Pharmacology, the Netherlands Cancer Institute, Amsterdam, the Netherlands.,Division of Pharmacoepidemiology and Clinical Pharmacology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, the Netherlands
| | - Olaf van Tellingen
- Division of Pharmacology, the Netherlands Cancer Institute, Amsterdam, the Netherlands.,Mouse Cancer Clinic, the Netherlands Cancer Institute, Amsterdam, the Netherlands
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Synthesis and biological evaluation of PSMA-targeting paclitaxel conjugates. Bioorg Med Chem Lett 2019; 29:2229-2235. [DOI: 10.1016/j.bmcl.2019.06.035] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 06/17/2019] [Accepted: 06/19/2019] [Indexed: 12/17/2022]
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4
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Wu K, Liu J, lei L, Shen Y, Guo S. A stent film of paclitaxel presenting extreme accumulation of paclitaxel in tumor tissue and excellent antitumor efficacy after implantation beneath the subcutaneous tumor xenograft in mice. Int J Pharm 2018; 553:29-36. [DOI: 10.1016/j.ijpharm.2018.09.060] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 09/12/2018] [Accepted: 09/25/2018] [Indexed: 02/07/2023]
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Posocco B, Buzzo M, Follegot A, Giodini L, Sorio R, Marangon E, Toffoli G. A new high-performance liquid chromatography-tandem mass spectrometry method for the determination of paclitaxel and 6α-hydroxy-paclitaxel in human plasma: Development, validation and application in a clinical pharmacokinetic study. PLoS One 2018; 13:e0193500. [PMID: 29474420 PMCID: PMC5825125 DOI: 10.1371/journal.pone.0193500] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 02/12/2018] [Indexed: 11/24/2022] Open
Abstract
Paclitaxel belongs to the taxanes family and it is used, alone or in multidrug regimens, for the therapy of several solid tumours, such as breast-, lung-, head and neck-, and ovarian cancer. Standard dosing of chemotherapy does not take into account the many inter-patient differences that make drug exposure highly variable, thus leading to the insurgence of severe toxicity. This is particularly true for paclitaxel considering that a relationship between haematological toxicity and plasma exposure was found. Therefore, in order to treat patients with the correct dose of paclitaxel, improving the overall benefit–risk ratio, Therapeutic Drug Monitoring is necessary. In order to quantify paclitaxel and its main metabolite, 6α-hydroxy-paclitaxel, in patients’ plasma, we developed a new, sensitive and specific HPLC–MS/MS method applicable to all paclitaxel dosages used in clinical routine. The developed method used a small volume of plasma sample and is based on quick protein precipitation. The chromatographic separation of the analytes was achieved with a SunFire™ C18 column (3.5 μM, 92 Å, 2,1 x 150 mm); the mobile phases were 0.1% formic acid/bidistilled water and 0.1% formic acid/acetonitrile. The electrospray ionization source worked in positive ion mode and the mass spectrometer operated in selected reaction monitoring mode. Our bioanalytical method was successfully validated according to the FDA-EMA guidelines on bioanalytical method validation. The calibration curves resulted linear (R2 ≥0.9948) over the concentration ranges (1–10000 ng/mL for paclitaxel and 1–1000 ng/mL for 6α-hydroxy-paclitaxel) and were characterized by a good accuracy and precision. The intra- and inter-day precision and accuracy were determined on three quality control concentrations for paclitaxel and 6α-hydroxy-paclitaxel and resulted respectively <9.9% and within 91.1–114.8%. In addition, to further verify the assay reproducibility, we tested this method by re-analysing the incurred samples. This bioanalytical method was employed with success to a genotype-guided phase Ib study of weekly paclitaxel in ovarian cancer patients treated with a wide range of drug’s dosages.
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Affiliation(s)
- Bianca Posocco
- Experimental and Clinical Pharmacology, CRO- National Cancer Institute, Aviano, Pordenone, Italy
| | - Mauro Buzzo
- Experimental and Clinical Pharmacology, CRO- National Cancer Institute, Aviano, Pordenone, Italy
| | - Andrea Follegot
- Experimental and Clinical Pharmacology, CRO- National Cancer Institute, Aviano, Pordenone, Italy
| | - Luciana Giodini
- Experimental and Clinical Pharmacology, CRO- National Cancer Institute, Aviano, Pordenone, Italy
| | - Roberto Sorio
- Oncology Unit B, CRO- National Cancer Institute, Aviano, Pordenone, Italy
| | - Elena Marangon
- Experimental and Clinical Pharmacology, CRO- National Cancer Institute, Aviano, Pordenone, Italy
- * E-mail:
| | - Giuseppe Toffoli
- Experimental and Clinical Pharmacology, CRO- National Cancer Institute, Aviano, Pordenone, Italy
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Alves RC, Fernandes RP, Eloy JO, Salgado HRN, Chorilli M. Characteristics, Properties and Analytical Methods of Paclitaxel: A Review. Crit Rev Anal Chem 2018; 48:110-118. [PMID: 29239659 DOI: 10.1080/10408347.2017.1416283] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Paclitaxel is a diterpenoid pseudoalkaloid, isolated from Taxus brevifolia, and is largely used as an antitumoral drug. The formulation of paclitaxel known as Taxol® employs a mixture of Cremophor EL and dehydrated ethanol, due the low drug water solubility. However, Taxol® causes some unwanted side effects due to the presence of Cremophor EL and ethanol in the formulation. Based on this, there is a need for the development of drug delivery systems to enhance the solubility, permeability and stability of paclitaxel and to promote a controlled and targeted delivery for better therapeutic effect and reduced side effects. In addition, the drug has been qualitatively and quantitatively analyzed in different delivery systems. In this context, several approaches were reported focusing on the optimization of analytical methods and development of new ones, considering the need of a fast, simple, with enough sensibility and selectivity assay, which can be a problem in some analysis. This review presents a summary of methods used in quantification of paclitaxel in different matrices, such as plasma, urine, plant extract, cells and delivery systems.
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Affiliation(s)
- Renata Carolina Alves
- a School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara , São Paulo , Brazil
| | | | - Josimar O Eloy
- a School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara , São Paulo , Brazil
| | | | - Marlus Chorilli
- a School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara , São Paulo , Brazil
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7
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Crotti S, Posocco B, Marangon E, Nitti D, Toffoli G, Agostini M. Mass spectrometry in the pharmacokinetic studies of anticancer natural products. MASS SPECTROMETRY REVIEWS 2017; 36:213-251. [PMID: 26280357 DOI: 10.1002/mas.21478] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 06/29/2015] [Indexed: 05/08/2023]
Abstract
In the history of medicine, nature has represented the main source of medical products. Indeed, the therapeutic use of plants certainly goes back to the Sumerian and Hippocrates and nowadays nature still represents the major source for new drugs discovery. Moreover, in the cancer treatment, drugs are either natural compounds or have been developed from naturally occurring parent compounds firstly isolated from plants and microbes from terrestrial and marine environment. A critical element of an anticancer drug is represented by its severe toxicities and, after administration, the drug concentrations have to remain in an appropriate range to be effective. Anyway, the drug dosage defined during the clinical studies could be inappropriate for an individual patient due to differences in drug absorption, metabolism and excretion. For this reason, personalized medicine, based on therapeutic drug monitoring (TDM), represents one of most important challenges in cancer therapy. Mass spectrometry sensitivity, specificity and fastness lead to elect this technique as the Golden Standard for pharmacokinetics and drug metabolism studies therefore for TDM. This review focuses on the mass spectrometry-based methods developed for pharmacokinetic quantification in human plasma of anticancer drugs derived from natural sources and already used in clinical practice. Particular emphasis was placed both on the pre-analytical and analytical steps, such as: sample preparation procedures, sample size required by the analysis and the limit of quantification of drugs and metabolites to give some insights on the clinical practice applicability. © 2015 Wiley Periodicals, Inc. Mass Spec Rev. 36:213-251, 2017.
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Affiliation(s)
- Sara Crotti
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico, IRCCS National Cancer Institute, Via Franco Gallini 2, 33081 Aviano (PN), Italy
- Istituto di Ricerca Pediatrica - Città della Speranza, Corso Stati Uniti 4, 35127, Padova, Italy
| | - Bianca Posocco
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico, IRCCS National Cancer Institute, Via Franco Gallini 2, 33081 Aviano (PN), Italy
| | - Elena Marangon
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico, IRCCS National Cancer Institute, Via Franco Gallini 2, 33081 Aviano (PN), Italy
| | - Donato Nitti
- Surgical Clinic, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, Via Nicolo Giustiniani 2, 35128, Padova, Italy
| | - Giuseppe Toffoli
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico, IRCCS National Cancer Institute, Via Franco Gallini 2, 33081 Aviano (PN), Italy
| | - Marco Agostini
- Istituto di Ricerca Pediatrica - Città della Speranza, Corso Stati Uniti 4, 35127, Padova, Italy
- Surgical Clinic, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, Via Nicolo Giustiniani 2, 35128, Padova, Italy
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Liu J, Wang Z, Wu K, Li J, Chen W, Shen Y, Guo S. Paclitaxel or 5-fluorouracil/esophageal stent combinations as a novel approach for the treatment of esophageal cancer. Biomaterials 2015; 53:592-9. [PMID: 25890755 DOI: 10.1016/j.biomaterials.2015.03.009] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 02/27/2015] [Accepted: 03/04/2015] [Indexed: 12/31/2022]
Abstract
Currently, esophageal cancer is rarely curable, and herein, a paclitaxel or 5-fluorouracil/esophageal stent combination (PTX or 5-FU/stent) was used to provide a new approach to treat this cancer. The PTX or 5-FU/stent was prepared by covering a nitinol stent with a bilayered polymer film that consisted of a layer of 50% PTX or 5-FU and a layer of drug-free backing. These treatment modalities were evaluated in vivo after implantation into the porcine esophagus. The percentages of the drugs that permeated from the backing layer over a period of 95 days were very small (0.61% for 5-FU), and an overwhelming majority of the PTX and the 5-FU was released from the other side of the film. During the follow-up period (120 days), the drug/stent was always maintained in the porcine esophagus, and did not show any obvious systemic or local toxicities. In contrast, this treatment had an effect on the inhibition of tissue proliferation and ulceration. In addition, the drug concentrations were highest in the esophagus compared with in the heart, liver, spleen, lung, kidney and blood (81500.0 ± 9475.2 ng/g vs. 3.9 ± 0.3 ng/mL of PTX in the plasma at 13 days). The PTX/stent and the 5-FU/stent have a dual function as both a stent and a local drug delivery device, which provides a potential treatment modality with high efficacy and non systematic toxicity for esophageal cancer.
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Affiliation(s)
- Jieying Liu
- School of Pharmacy, Shanghai Jiao Tong University, 200240 Shanghai, China
| | - Zhongmin Wang
- Department of Interventional Radiology, Ruijin Hospital Luwan Branch, Shanghai Jiao Tong University School of Medicine, Shanghai 200020, China
| | - Keqin Wu
- School of Pharmacy, Shanghai Jiao Tong University, 200240 Shanghai, China
| | - Jing Li
- School of Pharmacy, Shanghai Jiao Tong University, 200240 Shanghai, China
| | - Weiluan Chen
- School of Pharmacy, Shanghai Jiao Tong University, 200240 Shanghai, China
| | - Yuanyuan Shen
- School of Pharmacy, Shanghai Jiao Tong University, 200240 Shanghai, China.
| | - Shengrong Guo
- School of Pharmacy, Shanghai Jiao Tong University, 200240 Shanghai, China; School of Chemistry, University of Leeds, Leeds LS2 9JT, UK.
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Quantification of taxanes in biological matrices: a review of bioanalytical assays and recommendations for development of new assays. Bioanalysis 2014; 6:993-1010. [PMID: 24806907 DOI: 10.4155/bio.14.48] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Since the isolation of paclitaxel and its approval for the treatment of breast cancer, various taxanes and taxane formulations have been developed. To date, almost 100 bioanalytical assays have been published with the method development and optimization often extensively discussed by the authors. This Review presents an overview of assays published between January 1970 and September 2013 that described method development and validation of assays used to quantify taxanes in biological matrices such as plasma, urine, feces and tissue samples. For liquid chromatography assays, sample pretreatment, chromatographic separation and assay performance are compared. Since this Review discusses the limitations of previously developed liquid chromatography assays and gives recommendations for future assay development, it can be used as a reference for future development of liquid chromatography assays for the quantification of taxanes in various biological matrices to support preclinical and clinical studies.
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Hendrikx JJMA, Lagas JS, Wagenaar E, Rosing H, Schellens JHM, Beijnen JH, Schinkel AH. Oral co-administration of elacridar and ritonavir enhances plasma levels of oral paclitaxel and docetaxel without affecting relative brain accumulation. Br J Cancer 2014; 110:2669-76. [PMID: 24781280 PMCID: PMC4037831 DOI: 10.1038/bjc.2014.222] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 03/19/2014] [Accepted: 03/27/2014] [Indexed: 11/09/2022] Open
Abstract
Background: The intestinal uptake of the taxanes paclitaxel and docetaxel is seriously hampered by drug efflux through P-glycoprotein (P-gp) and drug metabolism via cytochrome P450 (CYP) 3A. The resulting low oral bioavailability can be boosted by co-administration of P-gp or CYP3A4 inhibitors. Methods: Paclitaxel or docetaxel (10 mg/kg) was administered to CYP3A4-humanised mice after administration of the P-gp inhibitor elacridar (25 mg kg−1) and the CYP3A inhibitor ritonavir (12.5 mg kg−1). Plasma and brain concentrations of the taxanes were measured. Results: Oral co-administration of the taxanes with elacridar increased plasma concentrations of paclitaxel (10.7-fold, P<0.001) and docetaxel (four-fold, P<0.001). Co-administration with ritonavir resulted in 2.5-fold (paclitaxel, P<0.001) and 7.3-fold (docetaxel, P<0.001) increases in plasma concentrations. Co-administration with both inhibitors simultaneously resulted in further increased plasma concentrations of paclitaxel (31.9-fold, P<0.001) and docetaxel (37.4-fold, P<0.001). Although boosting of orally applied taxanes with elacridar and ritonavir potentially increases brain accumulation of taxanes, we found that only brain concentrations, but not brain-to-plasma ratios, were increased after co-administration with both inhibitors. Conclusions: The oral availability of taxanes can be enhanced by co-administration with oral elacridar and ritonavir, without increasing the brain penetration of the taxanes.
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Affiliation(s)
- J J M A Hendrikx
- 1] Department of Pharmacy and Pharmacology, Slotervaart Hospital, PO 90440, 1006 BK Amsterdam, The Netherlands [2] Division of Molecular Oncology, The Netherlands Cancer Institute, PO 90203, 1006 BE Amsterdam, The Netherlands
| | - J S Lagas
- Department of Pharmacy and Pharmacology, Slotervaart Hospital, PO 90440, 1006 BK Amsterdam, The Netherlands
| | - E Wagenaar
- Division of Molecular Oncology, The Netherlands Cancer Institute, PO 90203, 1006 BE Amsterdam, The Netherlands
| | - H Rosing
- Department of Pharmacy and Pharmacology, Slotervaart Hospital, PO 90440, 1006 BK Amsterdam, The Netherlands
| | - J H M Schellens
- 1] Department of Clinical Pharmacology, The Netherlands Cancer Institute, PO 90203, 1006 BE Amsterdam, The Netherlands [2] Department of Pharmaceutical Sciences, Utrecht University, PO 80082, 3508 TB Utrecht, The Netherlands
| | - J H Beijnen
- 1] Department of Pharmacy and Pharmacology, Slotervaart Hospital, PO 90440, 1006 BK Amsterdam, The Netherlands [2] Department of Pharmaceutical Sciences, Utrecht University, PO 80082, 3508 TB Utrecht, The Netherlands
| | - A H Schinkel
- Division of Molecular Oncology, The Netherlands Cancer Institute, PO 90203, 1006 BE Amsterdam, The Netherlands
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Li P, Albrecht BJ, Yan X, Gao M, Weng HR, Bartlett MG. A rapid analytical method for the quantification of paclitaxel in rat plasma and brain tissue by high-performance liquid chromatography and tandem mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2013; 27:2127-34. [PMID: 23996385 DOI: 10.1002/rcm.6671] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Revised: 05/21/2013] [Accepted: 06/25/2013] [Indexed: 06/02/2023]
Abstract
RATIONALE Paclitaxel, an antitumor agent for the treatment of several types of cancers, has recently been reported to cause impaired cognitive function and neuropathic pain in humans. To assess the effects of paclitaxel on the central nervous system, a sensitive and accurate method is required to quantify paclitaxel concentrations in plasma and brain tissue obtained from rodents receiving paclitaxel. METHODS The biological samples were prepared by liquid-liquid extraction and separated by a 3.5 min reversed-phase liquid chromatography (RPLC) method using a BDS Hypersil C8 column under isocratic conditions. Paclitaxel was quantified using multiple reaction monitoring (MRM) with a triple quadrupole tandem mass spectrometer working in the positive electrospray ionization (ESI+) mode. A stable isotope labeled analogue of paclitaxel was used as the internal standard (IS). RESULTS The method was validated to be precise and accurate within the dynamic range of 0.5-100 ng/mL based on 100 μL plasma and 1.5-300 ng/g based on 33 mg of brain tissue in homogenate. This method was applied to samples from 2 mg/kg intravenously dosed rats. The plasma concentrations were observed to be 26.62 ± 8.93 ng/mL and brain concentrations 11.08 ± 4.18 ng/g when measured 4 h post-dose. CONCLUSIONS This rapid LC/MS/MS method was validated to be sensitive, specific, precise and accurate for the quantification of paclitaxel in rat plasma and brain tissue homogenate. Application of the method to study samples provided sufficient proof of blood-brain barrier penetration of paclitaxel, allowing further investigation of its influence on the central nervous system.
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Affiliation(s)
- Pei Li
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, The University of Georgia, Athens, GA 30602-2352, USA
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Hu J, You F, Yang S, Li Y. Quantitative determination of Lx2-32c, a novel taxane derivative, in rat plasma by liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal 2013; 88:483-8. [PMID: 24176754 DOI: 10.1016/j.jpba.2013.09.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Revised: 09/03/2013] [Accepted: 09/11/2013] [Indexed: 02/02/2023]
Abstract
A sensitive and reliable LC-MS/MS method for the determination of Lx2-32c, a novel taxane derived from cephalomannine, has been developed and validated. Plasma samples containing Lx2-32c and paclitaxel (internal standard) were prepared based on a simple protein precipitation by the addition of two volumes of acetonitrile. The analyte and internal standard were separated on a Zorbax SB-C18 column (3.5μm, 2.1mm×100mm) with the mobile phase of acetonitrile/water containing 0.1% formic acid (v/v) with gradient elution at a flow rate of 0.2ml/min. The detection was performed on a triple quadrupole tandem mass spectrometer equipped with atmospheric pressure chemical ionization (APCI) by multiple reactions monitoring (MRM) of the transitions at m/z 887.5→264.3 for Lx2-32c and 854.5→286.2 for IS. Linear detection responses were obtained for Lx2-32c ranging from 1 to 1000ng/ml. Inter- and intra-day precision (R.S.D.%) were all within 15% and the accuracy (R.E.%) was equal or lower than 8%. The lower limit of quantitation (LLOQ) was 1ng/ml and the average recovery was greater than 91.5%. The method was successfully applied to the pharmacokinetic study of Lx2-32c in rat plasma.
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Affiliation(s)
- Jinping Hu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines and Department of Drug Metabolism, Institute of Materia Medica, Chinese Academy of Medical Sciences & Perking Union Medical College, Beijing 100050, PR China
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Wang T, Ma W, Sun Y, Yang Y, Zhang W, Fawcett JP, Du H, Gu J. Ultra-sensitive assay for paclitaxel in intracellular compartments of A549 cells using liquid chromatography–tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 912:93-7. [DOI: 10.1016/j.jchromb.2012.10.033] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Revised: 10/09/2012] [Accepted: 10/22/2012] [Indexed: 11/28/2022]
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Rodríguez J, Castañeda G, Contento A, Muñoz L. Direct and fast determination of paclitaxel, morphine and codeine in urine by micellar electrokinetic chromatography. J Chromatogr A 2012; 1231:66-72. [DOI: 10.1016/j.chroma.2012.02.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Revised: 01/25/2012] [Accepted: 02/01/2012] [Indexed: 11/15/2022]
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15
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Hendrikx JJ, Hillebrand MJ, Thijssen B, Rosing H, Schinkel AH, Schellens JH, Beijnen JH. A sensitive combined assay for the quantification of paclitaxel, docetaxel and ritonavir in human plasma using liquid chromatography coupled with tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2011; 879:2984-90. [DOI: 10.1016/j.jchromb.2011.08.034] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Revised: 08/24/2011] [Accepted: 08/26/2011] [Indexed: 10/17/2022]
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16
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Zhang SQ, Song YN, He XH, Zhong BH, Zhang ZQ. Liquid chromatography–tandem mass spectrometry for the determination of paclitaxel in rat plasma after intravenous administration of poly(l-glutamic acid)-alanine-paclitaxel conjugate. J Pharm Biomed Anal 2010; 51:1169-74. [DOI: 10.1016/j.jpba.2009.11.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2009] [Revised: 11/05/2009] [Accepted: 11/30/2009] [Indexed: 10/20/2022]
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Bouquet W, Ceelen W, Adriaens E, Almeida A, Quinten T, De Vos F, Pattyn P, Peeters M, Remon JP, Vervaet C. In vivo toxicity and bioavailability of Taxol and a paclitaxel/beta-cyclodextrin formulation in a rat model during HIPEC. Ann Surg Oncol 2010; 17:2510-7. [PMID: 20339948 DOI: 10.1245/s10434-010-1028-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2009] [Indexed: 01/19/2023]
Abstract
BACKGROUND Peritoneal carcinomatosis (PC) remains a dreaded clinical syndrome and a common evolution of gastrointestinal and ovarian cancers. In recent years, hyperthermic intraperitoneal chemotherapy (HIPEC) after cytoreductive surgery has emerged as a promising strategy in the management of PC. In this study, a novel paclitaxel (Pac) formulation was investigated for its toxicity and bioavailability during HIPEC compared with Taxol. MATERIALS AND METHODS The maximum tolerated dose (MTD) after HIPEC of both formulations (Taxol and Pac/RAME-beta-CD) was determined. MTD was defined as the highest nonlethal dose with a reduction in body weight of < or = 10% over 2 weeks. Blood parameters (red blood cell and white blood cell count, creatinine, ALT, and GGT) were evaluated over 20 days. Bioavailability of both Pac formulations after HIPEC was determined under normothermic (37 degrees C) and hyperthermic (41 degrees C) conditions for 90 min. RESULTS Following HIPEC, both formulations had a similar MTD: 0.24 mg paclitaxel per ml. Red blood cell count decreased to a minimum after 10 days and was not fully recovered after 20 days for both formulations. White blood cell monitoring showed a significant increase in neutrocytes at day 10 and 15 for the Pac/RAME-beta-CD formulation. Liver and kidney parameters did not change significantly. Bioavailability data of Pac/RAME-beta-CD showed a 40-fold increase of the area under the curve (AUC) of plasma concentrations compared with Taxol. Hyperthermia yielded no significant differences in bioavailability data. CONCLUSION These results showed that both formulations had a similar toxicity profile but differed significantly in bioavailability.
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Affiliation(s)
- W Bouquet
- Laboratory of Pharmaceutical Technology, Ghent University, Ghent, Belgium
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18
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Zhang SQ, Chen GH. Determination of a novel paclitaxel derivative (NPD-103) in human plasma by ultra-performance liquid chromatography-tandem mass spectrometry. Biomed Chromatogr 2009; 23:510-5. [DOI: 10.1002/bmc.1146] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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19
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Yu H, Straubinger RM, Cao J, Wang H, Qu J. Ultra-sensitive quantification of paclitaxel using selective solid-phase extraction in conjunction with reversed-phase capillary liquid chromatography/tandem mass spectrometry. J Chromatogr A 2008; 1210:160-7. [PMID: 18834593 DOI: 10.1016/j.chroma.2008.09.052] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2008] [Revised: 09/10/2008] [Accepted: 09/15/2008] [Indexed: 11/24/2022]
Abstract
The ability to quantify ultra-low concentrations of biologically active compounds in biological matrices is essential for the study of pharmacological/toxicological effects occurring at low doses. Selective solid-phase extraction (SPE) was combined with highly sensitive capillary LC (microLC)-MS/MS analysis to achieve ultra-sensitive quantification of the anti-cancer drug paclitaxel in cancer cells. The optimized SPE selectively extracted paclitaxel and eliminated undesirable matrix compounds, thus enabling a high sample loading volume on the microLC column without compromising chromatographic performance and operational robustness. The validated lower limit of quantification (LOQ) was 5pg/mL, approx. 20-fold more sensitive than published LC-MS/MS methods. The calibration curve was linear over the range of 5-6250pg/mL. Accuracy was 98-109% and the variation (CV%) was 2.3-7.4%. This method was applied successfully to quantify temporal drug accumulation by A121a ovarian cancer cells treated with sub-ng/mL concentrations of paclitaxel.
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Affiliation(s)
- Haoying Yu
- The Department of Pharmaceutical Sciences, University at Buffalo, State University of New York, Amherst, NY 14260-1200, USA
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20
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Damen CWN, Rosing H, Tibben MM, van Maanen MJ, Lagas JS, Schinkel AH, Schellens JHM, Beijnen JH. A sensitive assay for the quantitative analysis of vinorelbine in mouse and human EDTA plasma by high-performance liquid chromatography coupled with electrospray tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2008; 868:102-9. [PMID: 18501686 DOI: 10.1016/j.jchromb.2008.04.046] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2007] [Revised: 04/23/2008] [Accepted: 04/29/2008] [Indexed: 11/29/2022]
Abstract
A sensitive, specific and fast high-performance liquid chromatography/tandem mass spectrometry (HPLC-MS/MS) assay for the determination of vinorelbine in mouse and human plasma is presented. A 200 microL aliquot was extracted with solid-phase extraction (SPE) using Bond-Elut C(2) cartridges. Dried extracts were reconstituted in 100 microL 1 mM ammonium acetate pH 10.5-acetonitrile-methanol (21:9:70, v/v/v) containing the internal standard vintriptol (100 ng/mL) and 10 microL volumes were injected onto the HPLC system. Separation was achieved on a 50 mm x 2.0 mm i.d. Gemini C(18) column using isocratic elution with 1 mM ammonium acetate pH 10.5-acetonitrile-methanol (21:9:70, v/v/v) at a flow rate of 0.4 mL/min. HPLC run time was only 5 min. Detection was performed using positive ion electrospray ionization followed by tandem mass spectrometry (ESI-MS/MS). The assay quantifies vinorelbine from 0.1 to 100 ng/mL using human plasma sample volumes of 200 microL. With this method vinorelbine can be measured in mouse plasma samples when these samples are diluted eight times in control human plasma. Calibration samples prepared in control human plasma can be used for the quantification of the drug. The lower limit of quantification in mouse plasma is 0.8 ng/mL. This assay is used to support preclinical and clinical pharmacologic studies with vinorelbine.
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Affiliation(s)
- Carola W N Damen
- Department of Pharmacy and Pharmacology, Slotervaart Hospital/The Netherlands Cancer Institute, Amsterdam, The Netherlands.
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21
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de Bree E, Rosing H, Filis D, Romanos J, Melisssourgaki M, Daskalakis M, Pilatou M, Sanidas E, Taflampas P, Kalbakis K, Beijnen JH, Tsiftsis DD. Cytoreductive surgery and intraoperative hyperthermic intraperitoneal chemotherapy with paclitaxel: a clinical and pharmacokinetic study. Ann Surg Oncol 2008; 15:1183-92. [PMID: 18239973 DOI: 10.1245/s10434-007-9792-y] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2007] [Revised: 12/07/2007] [Accepted: 12/08/2007] [Indexed: 12/13/2022]
Abstract
BACKGROUND Intraperitoneal chemotherapy has been recommended as a treatment option for ovarian cancer with peritoneal dissemination. Although its treatment duration is significantly shorter, intraoperative hyperthermic intraperitoneal perfusion chemotherapy (HIPEC) has several advantages over simple intraperitoneal instillation chemotherapy. While platinum compounds have usually been used, only a few have administered paclitaxel during HIPEC. Its large molecular weight suggests a much more favorable pharmacokinetic profile than that of platinum compounds. The pharmacokinetics of paclitaxel during and after HIPEC have not been studied before. METHODS Thirteen women, mainly with ovarian cancer, underwent cytoreductive surgery and HIPEC with 175 mg/m(2) paclitaxel for 2 h. Morbidity was noted. Peritoneal fluid samples and blood samples were harvested during and until 5 days after HIPEC for pharmacokinetic study in ten patients. RESULTS No treatment-related mortality was noted. Overall morbidity was 38% (two wound infections, one deep venous thrombosis, two grade 1 thrombopenia, one grade 2 neutropenia, and one grade 3 pancytopenia). Mean maximal intraperitoneal paclitaxel concentration was 101 mg/L, which was an average of 1178 times higher than the peak plasma levels. The peritoneal fluid versus plasma AUC ratio was 1462 for the 2-h HIPEC duration and 366 for the total 5-day study period. Cytotoxic drug concentrations were detected in peritoneal fluid for a mean period of 2.7 days, despite drainage of the drug solution after 2 h of treatment. CONCLUSIONS HIPEC with paclitaxel following cytoreductive surgery is feasible, relatively safe, and associated with a highly favorable pharmacokinetic profile, despite its short treatment duration. Larger studies with a more homogenous patient cohort and adequate follow-up should be performed to demonstrate its efficacy.
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Affiliation(s)
- Eelco de Bree
- Department of Surgical Oncology, University Hospital, Crete University Medical School, P.O. Box 1352, 71 110, Herakleion, Greece.
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22
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Development and validation of a liquid chromatographic-tandem mass spectrometric method for determination of piperaquine in plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2008; 862:227-36. [DOI: 10.1016/j.jchromb.2007.12.011] [Citation(s) in RCA: 131] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2007] [Revised: 10/26/2007] [Accepted: 12/17/2007] [Indexed: 11/20/2022]
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Frankfort SV, Ouwehand M, van Maanen MJ, Rosing H, Tulner LR, Beijnen JH. A simple and sensitive assay for the quantitative analysis of rivastigmine and its metabolite NAP 226-90 in human EDTA plasma using coupled liquid chromatography and tandem mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2006; 20:3330-6. [PMID: 17044120 DOI: 10.1002/rcm.2737] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
A sensitive and specific high-performance liquid chromatography/tandem mass spectrometry (HPLC/MS/MS) assay for the determination of rivastigmine and its major metabolite NAP 226-90 is presented. A 100 microL plasma aliquot was spiked with a structural analogue of rivastigmine as internal standard (PKF214-976-AE-1) and proteins were precipitated by adding 200 microL of methanol. After centrifugation a volume of 100 microL of the clear supernatant was mixed with 100 microL of methanol/water (30:70, v/v) and volumes of 25 microL were injected onto the HPLC system. Separation was acquired on a 150 x 2.0 mm i.d. Gemini C18 column using a gradient system with 10 mM ammonium hydroxide and methanol. Detection was performed by using a turboionspray interface and positive ion multiple reaction monitoring by tandem mass spectrometry. The assay quantifies rivastigmine from 0.25 to 50 ng/mL and its metabolite NAP 226-90 from 0.50 to 25 ng/mL, using human plasma samples of 100 microL. Validation results demonstrate that rivastigmine and metabolite concentrations can be accurately and precisely quantified in human EDTA plasma. This assay is now used to support clinical pharmacologic studies with rivastigmine.
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Affiliation(s)
- Suzanne V Frankfort
- Department of Geriatric Medicine, Slotervaart Hospital, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands.
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Gardner ER, Liau CT, Chu ZE, Figg WD, Sparreboom A. Determination of paclitaxel in human plasma following the administration of Genaxol or Genetaxyl by liquid chromatography/tandem mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2006; 20:2170-4. [PMID: 16779869 DOI: 10.1002/rcm.2577] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
A sensitive and specific assay for paclitaxel in plasma has been developed to overcome limitations in previously published assays, using liquid chromatography with tandem mass spectrometric detection. Plasma samples (100 microL) were subjected to liquid-liquid extraction with 1-chlorobutane/acetonitrile (4:1, v/v), with [(2)H(5)]paclitaxel employed as the internal standard. Chromatography was carried out with a Waters SymmetryShield C8 column (50 x 2.1 mm, 3.5 microm). The total run time, including equilibration, was 8 min, using a gradient of acetonitrile and 10 mM ammonium formate, pH 4.0. The assay is accurate and precise over the range of 2-2500 ng/mL and has been successfully applied to study the clinical pharmacokinetics of two formulations of paclitaxel, Genaxol and Genetaxyl, given orally and intravenously.
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Affiliation(s)
- Erin R Gardner
- Clinical Pharmacology Research Core, SAIC-Frederick, Inc., NCI-Frederick, Frederick, MD 21702, USA
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25
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Current awareness in phytochemical analysis. PHYTOCHEMICAL ANALYSIS : PCA 2005; 16:134-41. [PMID: 15929222 DOI: 10.1002/pca.794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
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26
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Vainchtein LD, Thijssen B, Stokvis E, Rosing H, Schellens JHM, Beijnen JH. A simple and sensitive assay for the quantitative analysis of paclitaxel and metabolites in human plasma using liquid chromatography/tandem mass spectrometry. Biomed Chromatogr 2005; 20:139-48. [PMID: 16041788 DOI: 10.1002/bmc.544] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A sensitive and specific LC-MS/MS assay for the determination of paclitaxel and its 3'p- and 6-alpha-hydroxy metabolites is presented. A 200 microL plasma aliquot was spiked with a 13C6-labeled paclitaxel internal standard and extracted with 1.0 mL tert-butylmethylether. Dried extracts were reconstituted in 0.1 M ammonium acetate-acetonitrile (1:1, v/v) and 25 microL volumes were injected onto the HPLC system. Separation was performed on a 150 x 2.1 mm C18 column using an alkaline eluent (10 mm ammonium hydroxide-methanol, 30:70, v/v). Detection was performed by positive ion electrospray followed by tandem mass spectrometry. The assay quantifies a range for paclitaxel from 0.25 to 1000 ng/mL and metabolites from 0.25 to 100 ng/mL using 200 microL human plasma samples. Validation results demonstrate that paclitaxel and metabolite concentrations can be accurately and precisely quantified in human plasma. This assay is now used to support clinical pharmacologic studies with paclitaxel.
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Affiliation(s)
- Liia D Vainchtein
- Department of Pharmacy and Pharmacology, Slotervaart Hospital/The Netherlands Cancer Institute, Louwesweg 6, 1066 EC Amsterdam, The Netherlands.
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