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Dried Blood Spot Technique Applied in Therapeutic Drug Monitoring of Anticancer Drugs: a Review on Conversion Methods to Correlate Plasma and Dried Blood Spot Concentrations. Pharm Res 2021; 38:759-778. [PMID: 33846903 DOI: 10.1007/s11095-021-03036-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 03/25/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND Anticancer drugs are notoriously characterized by a low therapeutic index, the introduction of therapeutic drug monitoring (TDM) in oncologic clinical practice could therefore be fundamental to improve treatment efficacy. In this context, an attractive technique to overcome the conventional venous sampling limits and simplify TDM application is represented by dried blood spot (DBS). Despite the significant progress made in bioanalysis exploiting DBS, there is still the need to tackle some challenges that limit the application of this technology: one of the main issues is the comparison of drug concentrations obtained from DBS with those obtained from reference matrix (e.g., plasma). In fact, the use of DBS assays to estimate plasma concentrations is highly dependent on the chemical-physical characteristics of the measured analyte, in particular on how these properties determine the drug partition in whole blood. METHODS In the present review, we introduce a critical investigation of the DBS-to-plasma concentration conversion methods proposed in the last ten years and applied to quantitative bioanalysis of anticancer drugs in DBS matrix. To prove the concordance between DBS and plasma concentration, the results of statistical tests applied and the presence or absence of trends or biases were also considered.
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New Mass Spectrometric Approaches for the Quantitative Evaluation of Anticancer Drug Levels in Treated Patients. Ther Drug Monit 2019; 41:1-10. [PMID: 30422961 DOI: 10.1097/ftd.0000000000000573] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Alternatively to the well-consolidated liquid chromatography coupled to tandem mass spectrometry approach used for the evaluation of anticancer drug concentrations in treated patients, new mass spectrometric methods have been proposed and tested recently. They exhibited faster analysis time and, at first sight, simpler instrumental approaches. However, results obtained by these methods require an in-depth evaluation, because of their strong dependence on the experimental set-up. In this short review, the quantification of irinotecan, sunitinib, and 6-α-hydroxy paclitaxel (the main metabolite of paclitaxel) by laser desorption ionization techniques (matrix-assisted laser desorption/ionization, nanostructure-assisted laser desorption/ionization, and surface-assisted laser desorption/ionization) is reported and discussed, showing the advantages but also the drawbacks of the methods. The matrix-assisted laser desorption/ionization approach led to the most reliable results, and the cross-validation for the quantitative analysis of irinotecan indicates that this method can be fruitfully used for therapeutic drug monitoring and pharmacokinetic studies. Another recently proposed technique, paper spray mass spectrometry, has been tested for the quantitative measurement of imatinib in plasma samples. Even if the approach is, at first sight, really simple, the parameterization of the analytical and instrumental aspects has required many efforts to reach satisfactory results. What it should be expected in the future is the evaluation of these methods, not only in scientific environments dedicated to instrument development, but also in clinical chemistry laboratories, to evaluate their effectiveness and to give new and valid tools for TDM and for other qualitative or quantitative measurements of biomedical interest.
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D'Aronco S, Calandra E, Crotti S, Toffoli G, Marangon E, Posocco B, Traldi P, Agostini M. Field-assisted paper spray mass spectrometry for the quantitative evaluation of imatinib levels in plasma. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2016; 22:217-228. [PMID: 27882887 DOI: 10.1255/ejms.1437] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Drug levels in patients' bloodstreams vary among individuals and consequently therapeutic drug monitoring (TDM) is fundamental to controlling the effective therapeutic range. For TDM purposes, different analytical approaches have been used, mainly based on immunoassay, liquid chromatography- ultraviolet, liquid chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry (LC-MS/MS) methods. More recently a matrix-assisted laser desorption/ionisation method has been proposed for the determination of irinotecan levels in the plasma of subjects under therapy and this method has been cross- validated by comparison with data achieved by LC-MS/MS. However, to reach an effective point-of-care monitoring of plasma drug concentrations, a TDM platform technology for fast, accurate, low-cost assays is required. In this frame, recently the use of paper spray mass spectrometry, which is becoming a popular and widely employed MS method, has been proposed. In this paper we report the results obtained by the development of a paper spray-based method for quantitative analysis in plasma samples of imatinib, a new generation of anticancer drug. Preliminary experiments showed that poor sensitivity, reproducibility and linear response were obtained by the "classical" paper spray set-up. In order to achieve better results, it was thought of interest to operate in presence of a higher and more homogeneous electrical field. For this aim, a stainless steel needle connected with the high voltage power supply was mounted below the paper triangle. Furthermore, in order to obtain valid quantitative data, we analysed the role of the different equilibria participating to the phenomena occurring in paper spray experiments, depending either on instrumental parameters or on the chemical nature of analyte and solvents. A calibration curve was obtained by spiking plasma samples containing different amounts of imatinib (1) with known amounts of deuterated imatinib (1d3) as internal standard, with molar ratios [1]/[1d3] in the range 0.00-2.00. A quite good linearity was obtained (R2 = 0.975) and some experiments performed on spiked plasma samples with known amounts of 1 confirmed the validity of this method.
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Affiliation(s)
- Sara D'Aronco
- Nano-inspired Biomedicine Lab., Institute of Paediatric Research - Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy
| | - Eleonora Calandra
- Nano-inspired Biomedicine Lab., Institute of Paediatric Research - Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy
| | - Sara Crotti
- Nano-inspired Biomedicine Lab., Institute of Paediatric Research - Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy
| | - Giuseppe Toffoli
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico, IRCCS National Cancer Institute, Via Franco Gallini 2, Aviano, 33081, PN, Italy
| | - Elena Marangon
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico, IRCCS National Cancer Institute, Via Franco Gallini 2, Aviano, 33081, PN, Italy
| | - Bianca Posocco
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico, IRCCS National Cancer Institute, Via Franco Gallini 2, Aviano, 33081, PN, Italy
| | - Pietro Traldi
- Nano-inspired Biomedicine Lab., Institute of Paediatric Research - Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy.
| | - Marco Agostini
- Nano-inspired Biomedicine Lab., Institute of Paediatric Research - Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy and Surgical Clinic, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, Via Nicolò Giustiniani 2, Padova, 35128, Italy and Department of Nanomedicine, The Methodist Hospital Research Institute, 6670 Bertner Avenue, Houston, 77030, TX, USA
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Traldi P, Calandra E, Crotti S, Agostini M, Nitti D, Roverso M, Toffoli G, Marangon E, Posocco B. Matrix-assisted laser desorption/ionization, nanostructure-assisted laser desorption/ionization and carbon nanohorns in the detection of antineoplastic drugs. 1. The cases of irinotecan, sunitinib and 6-alpha-hydroxy paclitaxel. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2014; 20:445-459. [PMID: 25905869 DOI: 10.1255/ejms.1302] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The development of surface-assisted laser desorption/ionization (SALDI) methodologies in mass spectrometry allows, in principle, the development of new analytical approaches to qualitative and quantitative measurements on small molecules. Some of these methods have been applied to characterize two antineoplastic drugs: irinotecan (1) and sunitinib (2), and also 6-α-hydroxy-paclitaxel (3), the main metabolite of paclitaxel. Three different SALDI approaches have been tested employing nanostructure- assisted laser desorption/ionization (NALDI), carbon nanohorns (NHs) and carbon nanohorns covered by liquid additives. The results so obtained have been compared to those observed under matrix-assisted laser desorption/ionization (MALDI) conditions. Compounds 1 and 2 show the easy formation of protonated molecular species under all the experimental conditions, but the highest absolute intensity was achieved by NALDI. On the contrary, ionic species of low intensity are present for 3, among which are those that exhibit the highest intensity caused by [M+K](+) ions. After a critical evaluation of the obtained data, the linear response of the [M+H](+) ion intensity of 1 versus different deposited sample amounts was investigated, and the best results (R(2) = 0.9889) were obtained under MALDI conditions. The analysis of plasma samples spiked with 1 showed, again, that the MALDI approach was the best one (R(2) = 0.9766). The failure of NALDI measurements could be rationalized by the presence of ion suppression effects.
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Affiliation(s)
- Pietro Traldi
- IENI CNR, Corso Stati Uniti 4, 35127 Padova (PD), Italy. Istituto di Ricerca Pediatrica - Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy.
| | - Eleonora Calandra
- Istituto di Ricerca Pediatrica - Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy. Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico, IRCCS National Cancer Institute, Via Franco Gallini 2, 33081 Aviano (PN), Italy.
| | - Sara Crotti
- Istituto di Ricerca Pediatrica - Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy. 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. Department of Nanomedicine, The Methodist Hospital Research Institute, 6670 Bertner Avenue, Houston, 77030 TX, USA.
| | - Donato Nitti
- Surgical Clinic, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, Via Nicolo Giustiniani 2, 35128 Padova, Italy.
| | - Marco Roverso
- Dipartimento di Medicina, Università degli Studi di Padova, Via Giustiniani 2, I-35100 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.
| | - Elena Marangon
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico, IRCCS National Cancer Institute, Via Franco Gallini 2, 33081 Aviano (PN), Italy.
| | - Bianca Posocco
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico, IRCCS National Cancer Institute, Via Franco Gallini 2, 33081 Aviano (PN), Italy.
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