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dos Santos AM, Junior AGT, Carvalho SG, Chorilli M. An updated review on properties, nanodelivery systems, and analytical methods for the determination of 5-fluorouracil in pharmaceutical and biological samples. Curr Pharm Des 2022; 28:1501-1512. [DOI: 10.2174/1381612828666220509150918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 03/22/2022] [Indexed: 11/22/2022]
Abstract
Abstract:
5-Fluorouracil (5-FU) is an antimetabolite drug used for over 70 years as first-line chemotherapy to treat various types of cancer, such as head, neck, breast and colorectal cancer. 5-FU acts mainly by inhibiting thymidylate synthase, thereby interfering with deoxyribonucleic acid (DNA) replication or by 5-FU incorporating into DNA, causing damage to the sequence of nucleotides. Being analogous to uracil, 5-FU enters cells using the same transport mechanism, where a is converted into active metabolites such as fluorouridine triphosphate (FUTP), fluorodeoxyuridine monophosphate (FdUMP), and fluorodeoxyuridine triphosphate (FdUTP). Currently, there are several nanodelivery systems being developed and evaluated at the preclinical level to overcome existing limitations to 5-FU chemotherapy, including liposomes, polymeric nanoparticles, polymeric micelles, nanoemulsions, mesoporous silica nanoparticles, and solid lipid nanoparticles. Therefore, it is essential to choose and develop suitable analytical methods for the quantification of 5-FU and its metabolites (5-fluorouridine and 5-fluoro-2-deoxyuridine) in pharmaceutical and biological samples. Among the analytical techniques, chromatographic methods are commonly the most used for the quantification of 5-FU from different matrices. However, other analytical methods have also been developed for the determination of 5-FU, such as electrochemical methods, a sensitive, selective, and precise technique, in addition to having a reduced cost. Here, we first review the physicochemical properties, mechanism of action, and advances in 5-FU nanodelivery systems. Next, we summarize the current progress of other chromatographic methods described to determine 5-FU. Lastly, we discuss the advantages of electrochemical methods for the identification and quantification of 5-FU and its metabolites in pharmaceutical and biological samples.
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Affiliation(s)
- Aline Martins dos Santos
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, 14800-903, Brazil
| | | | - Suzana Gonçalves Carvalho
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, 14800-903, Brazil
| | - Marlus Chorilli
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, 14800-903, Brazil
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High-performance thin-layer chromatography (HPTLC) method development and validation for the estimation of curcumin and cineole. JPC-J PLANAR CHROMAT 2022. [DOI: 10.1007/s00764-022-00155-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Zounr RA, Khuhawar MY, Khuhawar TMJ, Lanjwani MF, Khuhawar MY. GC Determination of Fluorouracil in Serum by Using Hexafluroroacetylacetone as Derivatizing Reagent. J Chromatogr Sci 2022; 60:409-413. [PMID: 35024827 DOI: 10.1093/chromsci/bmab142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 11/06/2021] [Indexed: 11/12/2022]
Abstract
A gas chromatographic (GC) procedure has been developed for the determination of fluorouracil (5-FU) after pre-column derivatization with hexafluoroacetylacetone. GC separation was from column DB-1 (30 m × 0.32 mm id) and the determination was by flame-ionization detection. The derivatization conditions were optimized at pH 4, heating at 90°C for 40 min and extraction of the derivative was in chloroform. Using the conditions nucleobases cytosine, uracil, thymine, adenine and guanine separated completely from fluorouracil. The linear calibration range and LOD for 5-fluorouracil were 0.5-40.0 and 0.2 μg/mL, respectively. The derivatization, elution and separation were repeatable in terms of retention time and peak height/peak area (n = 5) and relative standard deviations (RSD) were within 3.5%. The method was applied for the analysis of serum spiked with 5-FU with recovery of 95.5-97.5% with RSD 1.5-3.1%.
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Affiliation(s)
- Rizwan Ali Zounr
- Institute of Advanced Research Studies in Chemical Sciences, University of Sindh, Jamshoro-76080, Sindh, Pakistan
| | - Muhammad Yar Khuhawar
- Institute of Advanced Research Studies in Chemical Sciences, University of Sindh, Jamshoro-76080, Sindh, Pakistan
| | | | | | - Muzamil Yar Khuhawar
- Abbott Laboritories (Pakistan) Limited, Hyderabad Road, Landhi, Karachi-74120, Sindh, Pakistan
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