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Geers LM, Loonen AJM, Touw DJ. Microsampling Techniques Suitable for Therapeutic Drug Monitoring of Antipsychotics. J Clin Psychopharmacol 2024; 44:302-310. [PMID: 38639427 DOI: 10.1097/jcp.0000000000001855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
BACKGROUND Therapeutic drug monitoring (TDM) of antipsychotics for dose titration or detection of noncompliance is not uncommon in daily practice. Normally, TDM implies measuring a drug concentration in venous blood samples. This technique is invasive and requires trained assistants and patients normally need to go to an outpatient clinic. Over the past decades, sensitivity of analytical equipment has improved leading to a growing interest in microsampling techniques. These techniques are minimally invasive, require a small volume (<100 μL), usually result in stable samples, and can be collected by the patient or a caregiver at home. Before a microsampling technique can be used in daily routine, proper method development and a clinical validation study should be performed. METHOD For this review, the databases of PubMed and Embase were systematically searched. Currently available microsampling techniques for antipsychotics in blood, serum, or plasma are summarized. Subsequently, it has also been assessed whether these techniques are sufficiently validated for TDM monitoring in daily practice. RESULTS Several microsampling techniques are available today, for example, dried blood spot sampling, dried plasma extraction cards, and volumetric absorptive microsampling. Eighteen studies were identified in which a microsampling technique for 1 or a few antipsychotics was chemically analytically and clinically validated. However, the majority of these studies have relevant shortcomings that mean its usefulness for different antipsychotics is not yet well established. CONCLUSIONS Microsampling for TDM can be recommended for patients using clozapine. For TDM of other antipsychotics, it is a very promising development.
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Affiliation(s)
| | - Anton J M Loonen
- University of Groningen, Groningen Research Institute of Pharmacy, Pharmacotherapy, -Epidemiology & -Economics
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Müller IR, Linden G, Charão MF, Antunes MV, Linden R. Dried blood spot sampling for therapeutic drug monitoring: challenges and opportunities. Expert Rev Clin Pharmacol 2023; 16:691-701. [PMID: 37300458 DOI: 10.1080/17512433.2023.2224562] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 06/08/2023] [Indexed: 06/12/2023]
Abstract
INTRODUCTION The use of dried blood spots (DBS) has gained interest in the field of therapeutic drug monitoring (TDM) due to its potential advantages, such as minimally invasive capillary blood collection, potential stabilization of drugs and metabolites at room or high temperatures, and lower biohazard, allowing for inexpensive storage and transportation. However, there are several drawbacks to the clinical use of DBS in TDM, mostly related to hematocrit (Hct) effects, differences between venous and capillary blood concentrations, among others, that must be evaluated during analytical and clinical method validation. AREA COVERED This review focuses on the most recent publications on the applications of DBS sampling for TDM (2016-2022), with a special focus on the challenges presented by this alternative sampling strategy, as well as the opportunities for clinical applications. Real-life studies presenting clinical applications were reviewed. EXPERT OPINION With the availability of method development and validation guidelines for DBS-based methods in TDM, higher levels of assay validation standardization have been achieved, expanding the clinical applications of DBS sampling in patient care. New sampling devices that overcome the limitations of classical DBS, such as the Hct effects, will further encourage the use of DBS in routine TDM.
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Affiliation(s)
| | - Gabriel Linden
- Laboratory of Analytical Toxicology, Universidade Feevale, Novo Hamburgo, Brazil
| | | | | | - Rafael Linden
- Laboratory of Analytical Toxicology, Universidade Feevale, Novo Hamburgo, Brazil
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Bernardo M, Mezquida G, Ferré P, Cabrera B, Torra M, Lizana AM, Brunet M. Dried Blood Spot (DBS) as a useful tool to improve clozapine, aripiprazole and paliperidone treatment: From adherence to efficiency. REVISTA DE PSIQUIATRIA Y SALUD MENTAL 2022; 15:230-237. [PMID: 36513399 DOI: 10.1016/j.rpsmen.2022.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 04/18/2022] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Therapeutic Drug Monitoring (TDM) of antipsychotics in schizophrenia is a powerful tool that allows tailoring the treatment in an individualized approach. Our goals are to develop and validate a Dried Blood Spot (DBS) method for monitoring some commonly used antipsychotics (aripiprazole, clozapine, and paliperidone) and to evaluate its usefulness as a compliance biomarker, as well as in drug-dose adjustment to personalize the antipsychotic treatment to improve its efficacy and safety. METHODS 31 first-psychotic episode (FEP) and schizophrenia patients were included; 5 refer to naïve FEP who started antipsychotic treatment; 26, to patients with more than one episode and under antipsychotic treatment: aripiprazole (7 cases), clozapine (17), paliperidone (11). For DBS sample collection, 25μl of capillary blood were placed in the spot of a FTA™DMPK-C-card. After completely dryness, antipsychotics were extracted and analyzed by a validated UHPLC-MS/MS-method. DBS antipsychotic results were compared with those obtained in venous blood/plasma. RESULTS Aripiprazole, paliperidone and clozapine showed from good to excellent correlations between concentrations in venous blood and DBS capillary blood (r2, from 0.500 to 0.721). The correlation between conventional plasma and DBS concentrations for paliperidone, aripiprazole, clozapine, and their metabolites were moderate, suggesting that optimal drug target concentrations should be established for DBS. CONCLUSIONS In this study, for aripiprazole, dehydroaripiprazole, paliperidone, clozapine and desmethylclozapine, DBS has provided good analytical performance for TDM. Thus, DBS sampling can offer a great alternative over conventional sampling for plasma measurement. The assay provides good analytical performances for TDM and clinical research applicability, suggesting that DBS is a promising clinical application in TDM in psychiatry.
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Affiliation(s)
- Miguel Bernardo
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic of Barcelona, Neuroscience Institute, Department of Medicine, University of Barcelona, Biomedical Research Networking Center for Mental Health Network (CIBERSAM), August Pi I Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Gisela Mezquida
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic of Barcelona, Neuroscience Institute; Department of Basic Clinal Practice, Pharmacology Unit, University of Barcelona, Biomedical Research Networking Center for Mental Health Network (CIBERSAM), August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Paula Ferré
- Pharmacology and Toxicology Laboratoy, SBGM, Hospital Clínic of Barcelona, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Bibiana Cabrera
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic of Barcelona, Neuroscience Institute, Department of Medicine, University of Barcelona, Biomedical Research Networking Center for Mental Health Network (CIBERSAM), August Pi I Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Mercè Torra
- Pharmacology and Toxicology Laboratoy, SBGM, Hospital Clínic of Barcelona, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Ana Maria Lizana
- Pharmacology and Toxicology Laboratoy, SBGM, Hospital Clínic of Barcelona, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Mercè Brunet
- Pharmacology and Toxicology Laboratory, SBGM, Hospital Clínic of Barcelona, Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBEREHD), August Pi i Sunyer Biomedical Research Institute (IDIBAPS), University of Barcelona, Barcelona, Spain.
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Dried Blood Spot (DBS) as a useful tool to improve clozapine, aripiprazole and paliperidone treatment: from adherence to efficiency. REVISTA DE PSIQUIATRIA Y SALUD MENTAL 2022. [DOI: 10.1016/j.rpsm.2022.04.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Carniel E, Dos Santos KA, de Andrade de Lima L, Kohlrausch R, Linden R, Antunes MV. Determination of clozapine and norclozapine in dried plasma spot and dried blood spot by liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal 2022; 210:114591. [PMID: 35033943 DOI: 10.1016/j.jpba.2022.114591] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 12/26/2021] [Accepted: 01/09/2022] [Indexed: 11/18/2022]
Abstract
The use of alternative blood sampling strategies in clozapine (CLZ) therapeutic drug monitoring (TDM) aims to facilitate collection and improve drug therapy and adherence. This study aimed to develop and validate two methods for the determination CLZ and norclozapine (NOR) in dried blood spots (DBS) and dried plasma spots (DPS) by high performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS). The analytes were extracted from one 10 microliter volumetric DBS disc punch and from one 6 mm DPS disc punch with methyl tert-butyl ether: methanol (1:9, v/v) and injected into the HPLC-MS/MS with Atmospheric pressure chemical ionization (APCI) source. Separation was performed in a phenyl column, with mobile phase ammonium formate 1 mM pH 4.0 with methanol in gradient mode. The method was linear from 50 to 1500 ng/ml (r > 0.99), with accuracy between 98% and 105% in DBS and 91-101% in DPS, and intra- and inter-assay CV% from 5.23% to 9.35% in DBS and 2.22-11.36% in DPS for both analytes. The matrix effect was compensated by the internal standard, between - 5.1-6.89% in DBS and - 2.45-5.74% in DPS. The average extraction efficiency was 63-67% for CLZ and 58-69% for NOR with no significant impact of hematocrit (HCT). The analytes were stable in the dried matrices stored up to 42 °C for 26 days. The method was applied in the evaluation of clozapine therapy in 13 schizophrenic patients with mean serum levels of 401 ng/ml (43-914 ng/ml). Only 38% were within the therapeutic range, 46% below and 23% above. CLZ and NOR concentrations in dried samples were highly correlated to serum levels, with greater accuracy for DPS compared to DBS (97 versus 89%, and 99 versus 131%, for CLZ and NOR, respectively). Our data support the use of DBS and DPS as alternative sampling strategies in CLZ therapeutic drug monitoring, with satisfactory performance and logistics advantages.
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Affiliation(s)
- Eliana Carniel
- Graduate Program on Toxicology and Analytical Toxicology, Feevale University, Novo Hamburgo, RS, Brazil
| | | | | | - Ramona Kohlrausch
- Institute of Health Sciences, Feevale University, Novo Hamburgo, RS, Brazil
| | - Rafael Linden
- Graduate Program on Toxicology and Analytical Toxicology, Feevale University, Novo Hamburgo, RS, Brazil; Institute of Health Sciences, Feevale University, Novo Hamburgo, RS, Brazil
| | - Marina Venzon Antunes
- Graduate Program on Toxicology and Analytical Toxicology, Feevale University, Novo Hamburgo, RS, Brazil; Institute of Health Sciences, Feevale University, Novo Hamburgo, RS, Brazil.
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Möller I, Held K, Klimpel D, Nadulski T, Dufaux B. Development and validation of an LC-MS/MS method for relevant drugs in epilepsy patients using dried blood spots. Biomed Chromatogr 2021; 35:e5130. [PMID: 33780026 DOI: 10.1002/bmc.5130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/23/2021] [Accepted: 03/05/2021] [Indexed: 11/07/2022]
Abstract
Epilepsy is one of the most common diseases of the central nervous system globally. To ensure the correct dosage of antiepileptic treatment, it is helpful to check the blood levels of the administered substances regularly. The analysis of the capillary dried blood samples provides a promising and less-invasive alternative to venous blood collection. Therefore, the aim of the present study was to develop an LC-MS method for the quantification of 22 commonly used drugs in patients with an epileptic syndrome and 5 drug metabolites in one dried blood spot (DBS). The calibration ranges were selected in such a way that the therapeutic reference ranges in serum for the respective substances were completely covered. The analytical validation was successfully performed according to relevant guidelines with a consideration of requirements for DBS analysis. Proof of concept of the developed method was obtained by the analysis of DBSs from 282 authentic leftover ethylenediaminetetraacetic acid blood samples, which were compared with the corresponding serum concentrations. Altogether, the results show a dependency on the blood/plasma (b/p) ratios of the respective analytes so that for drugs with b/p ratios close to one, for example, lacosamide, levetiracetam, brivaracetam, and sertraline, a good accordance was observed.
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Affiliation(s)
- Ines Möller
- Division of Forensic and Clinical Chemistry, MVZ Labor Krone GbR, Bad Salzuflen, Germany
| | - Kathrin Held
- Division of Forensic and Clinical Chemistry, MVZ Labor Krone GbR, Bad Salzuflen, Germany
| | - Dennis Klimpel
- Division of Forensic and Clinical Chemistry, MVZ Labor Krone GbR, Bad Salzuflen, Germany
| | - Thomas Nadulski
- Division of Forensic and Clinical Chemistry, MVZ Labor Krone GbR, Bad Salzuflen, Germany
| | - Bertin Dufaux
- Division of Forensic and Clinical Chemistry, MVZ Labor Krone GbR, Bad Salzuflen, Germany
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Jacobs CM, Wagmann L, Meyer MR. Development, validation, and application of a quantitative volumetric absorptive microsampling-based method in finger prick blood by means of LC-HRMS/MS applicable for adherence monitoring of antipsychotics. Anal Bioanal Chem 2021; 413:1729-1737. [PMID: 33517479 PMCID: PMC7921024 DOI: 10.1007/s00216-020-03143-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 12/16/2020] [Accepted: 12/22/2020] [Indexed: 12/27/2022]
Abstract
Volumetric absorptive microsampling (VAMS), an emerging microsampling technique, is expected to overcome some disadvantages of dried blood spots such as volume inaccuracy and influence of hematocrit (HT). This study aimed to develop and evaluate a VAMS-based strategy for quantification of 13 frequently prescribed antipsychotics in finger prick blood within the scope of adherence monitoring to complement already-established qualitative urine analysis. The final workflow consisted of VAMS tip hydration and subsequent precipitation. Samples were analyzed by using reversed-phase ultra-high-performance liquid chromatography and Orbitrap mass spectrometry operated in parallel reaction monitoring mode. The analytical procedure was successfully validated based on international recommendations at three different HT values (20%, 40%, 60%) for most of the analytes. Selectivity and within/between-run accuracy and precision were in accordance with the recommendations in most cases. Internal standard-normalized matrix factor met recommended criteria for all analytes at HT 40%. For the HT values of 20% and 60%, only four substances did not meet the criteria. Dilution integrity was given for all substances, except for olanzapine, allowing a quantification over the whole therapeutic range of selected antipsychotics. Long-term stability in VAMS tips was tested and revealed degradation of five antipsychotic drugs after 1 week of storage at 24 °C. A proof of concept of the applicability of the method was obtained by quantification of a selection of the 13 antipsychotic drugs in VAMS tips and matched plasma samples. Results were coherent between matrices. Thus, VAMS was shown to be a promising alternative for adherence monitoring of at least the investigated antipsychotics.
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Affiliation(s)
- Cathy M Jacobs
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Center for Molecular Signaling (PZMS), Saarland University, Homburg, Germany
| | - Lea Wagmann
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Center for Molecular Signaling (PZMS), Saarland University, Homburg, Germany
| | - Markus R Meyer
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Center for Molecular Signaling (PZMS), Saarland University, Homburg, Germany.
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Validation and clinical application of a volumetric absorptive microsampling method for 14 psychiatric drugs. Bioanalysis 2020; 12:1129-1147. [DOI: 10.4155/bio-2020-0136] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Aim: Volumetric absorptive microsampling offers a hematocrit insensitive way for microsampling. The aim of this study was to develop a method for routine healthcare for 14 antidepressants, antipsychotics and their active metabolites on a single-quadrupole HPLC–MS. A clinical validation study to determine conversion factors from capillary blood to plasma concentration was conducted afterward. Results: The method was validated according to current guidelines except for one substance. Five substances were measured in 49 patient samples and conversion factors could be derived with Passing–Bablok and Bland–Altman analysis. Conclusion: A reliable extraction and analysis method for commonly used antidepressants and antipsychotics was developed and validated. The method with the obtained conversion factors can now be used in routine healthcare.
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Official International Association for Therapeutic Drug Monitoring and Clinical Toxicology Guideline: Development and Validation of Dried Blood Spot-Based Methods for Therapeutic Drug Monitoring. Ther Drug Monit 2020; 41:409-430. [PMID: 31268966 DOI: 10.1097/ftd.0000000000000643] [Citation(s) in RCA: 174] [Impact Index Per Article: 43.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Dried blood spot (DBS) analysis has been introduced more and more into clinical practice to facilitate Therapeutic Drug Monitoring (TDM). To assure the quality of bioanalytical methods, the design, development and validation needs to fit the intended use. Current validation requirements, described in guidelines for traditional matrices (blood, plasma, serum), do not cover all necessary aspects of method development, analytical- and clinical validation of DBS assays for TDM. Therefore, this guideline provides parameters required for the validation of quantitative determination of small molecule drugs in DBS using chromatographic methods, and to provide advice on how these can be assessed. In addition, guidance is given on the application of validated methods in a routine context. First, considerations for the method development stage are described covering sample collection procedure, type of filter paper and punch size, sample volume, drying and storage, internal standard incorporation, type of blood used, sample preparation and prevalidation. Second, common parameters regarding analytical validation are described in context of DBS analysis with the addition of DBS-specific parameters, such as volume-, volcano- and hematocrit effects. Third, clinical validation studies are described, including number of clinical samples and patients, comparison of DBS with venous blood, statistical methods and interpretation, spot quality, sampling procedure, duplicates, outliers, automated analysis methods and quality control programs. Lastly, cross-validation is discussed, covering changes made to existing sampling- and analysis methods. This guideline of the International Association of Therapeutic Drug Monitoring and Clinical Toxicology on the development, validation and evaluation of DBS-based methods for the purpose of TDM aims to contribute to high-quality micro sampling methods used in clinical practice.
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Moretti M, Freni F, Valentini B, Vignali C, Groppi A, Visonà SD, Osculati AMM, Morini L. Determination of Antidepressants and Antipsychotics in Dried Blood Spots (DBSs) Collected from Post-Mortem Samples and Evaluation of the Stability over a Three-Month Period. Molecules 2019; 24:molecules24203636. [PMID: 31600953 PMCID: PMC6832719 DOI: 10.3390/molecules24203636] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 10/04/2019] [Accepted: 10/06/2019] [Indexed: 01/17/2023] Open
Abstract
An LC-MS/MS method for the identification and quantification of antidepressants and antipsychotics was developed on dried blood spots (DBSs). Moreover, analyte stability on DBSs within a 3-month period was monitored. Aliquots of 85 µL of blood from autopsy cases were pipetted onto DBS cards, which were dried and stored at room temperature. DBSs were analyzed in triplicate immediately, within the following 3 weeks, and after 3 months. For each analysis, a whole blood stain was extracted in phosphate buffer and purified using Solid Phase Extraction (SPE) cartridges in order to avoid matrix effects and injected in the LC-MS/MS system. Thirty-nine molecules were screened. Limits of detection (LODs) ranged between 0.1 and 3.2 ng/mL (g) and 0.1 and 5.2 ng/mL (g) for antidepressants and antipsychotics, respectively. Limits of quantification (LOQs) varied from 5 to 10.0 ng/mL for both. Sixteen cases among the 60 analyzed resulted positive for 17 different analytes; for 14 of these the method was fully validated. A general good agreement between the concentrations on DBSs and those measured in conventional blood samples (collected concurrently and stored at -20 °C) was observed. The degradation/enhancement percentage for most of the substances was lower than 20% within the 3-month period. Our results, obtained from real post-mortem cases, suggest that DBSs can be used for routine sample storage.
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Affiliation(s)
- Matteo Moretti
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100 Pavia, Italy.
| | - Francesca Freni
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100 Pavia, Italy.
| | - Beatrice Valentini
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100 Pavia, Italy.
| | - Claudia Vignali
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100 Pavia, Italy.
| | - Angelo Groppi
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100 Pavia, Italy.
| | - Silvia Damiana Visonà
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100 Pavia, Italy.
| | - Antonio Marco Maria Osculati
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100 Pavia, Italy.
| | - Luca Morini
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100 Pavia, Italy.
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Rebuttal Letter to the Editor Kloosterboer et al., Ther Drug Monit 2018;40: 344-350. Ther Drug Monit 2018; 40:762. [PMID: 30444494 DOI: 10.1097/ftd.0000000000000560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Martial LC, van den Hombergh E, Tump C, Halmingh O, Burger DM, van Maarseveen EM, Brüggemann RJ, Aarnoutse RE. Manual punch versus automated flow-through sample desorption for dried blood spot LC-MS/MS analysis of voriconazole. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1089:16-23. [DOI: 10.1016/j.jchromb.2018.04.039] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 03/19/2018] [Accepted: 04/23/2018] [Indexed: 11/17/2022]
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Dried Blood Spot Analysis for Therapeutic Drug Monitoring of Antipsychotics: Drawbacks of Its Clinical Application. Ther Drug Monit 2018; 40:344-350. [DOI: 10.1097/ftd.0000000000000502] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Dried Blood Spots Combined With Ultra-High-Performance Liquid Chromatography-Mass Spectrometry for the Quantification of the Antipsychotics Risperidone, Aripiprazole, Pipamperone, and Their Major Metabolites. Ther Drug Monit 2018; 39:429-440. [PMID: 28700523 DOI: 10.1097/ftd.0000000000000411] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Risperidone, aripiprazole, and pipamperone are antipsychotic drugs frequently prescribed for the treatment of comorbid behavioral problems in children with autism spectrum disorders. Therapeutic drug monitoring (TDM) could be useful to decrease side effects and to improve patient outcome. Dried blood spot (DBS) sample collection seems to be an attractive technique to develop TDM of these drugs in a pediatric population. The aim of this work was to develop and validate a DBS assay suitable for TDM and home sampling. METHODS Risperidone, 9-OH risperidone, aripiprazole, dehydroaripiprazole, and pipamperone were extracted from DBS and analyzed by ultra-high-performance liquid chromatography-tandem mass spectrometry using a C18 reversed-phase column with a mobile phase consisting of ammonium acetate/formic acid in water or methanol. The suitability of DBS for TDM was assessed by studying the influence of specific parameters: extraction solution, EDTA carryover, hematocrit, punching location, spot volume, and hemolysis. The assay was validated with respect to conventional guidelines for bioanalytical methods. RESULTS The method was linear, specific without any critical matrix effect, and with a mean recovery around 90%. Accuracy and imprecision were within the acceptance criteria in samples with hematocrit values from 30% to 45%. EDTA or hemolysis did not skew the results, and no punching carryover was observed. No significant influence of the spot volume or the punch location was observed. The antipsychotics were all stable in DBS stored 10 days at room temperature and 1 month at 4 or -80°C. The method was successfully applied to quantify the 3 antipsychotics and their metabolites in patient samples. CONCLUSIONS A UHPLC-MS/MS method has been successfully validated for the simultaneous quantification of risperidone, 9-OH risperidone, aripiprazole, dehydroaripiprazole, and pipamperone in DBS. The assay provided good analytical performances for TDM and clinical research applications.
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Weber J, Oberfeld S, Bonse A, Telger K, Lingg R, Hempel G. Validation of a dried blood spot method for therapeutic drug monitoring of citalopram, mirtazapine and risperidone and its active metabolite 9-hydroxyrisperidone using HPLC–MS. J Pharm Biomed Anal 2017; 140:347-354. [DOI: 10.1016/j.jpba.2017.02.061] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 01/24/2017] [Accepted: 02/04/2017] [Indexed: 02/04/2023]
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Martial LC, Aarnoutse RE, Mulder M, Schellekens A, Brüggemann RJM, Burger DM, Schene AH, Batalla A. Dried Blood Spot sampling in psychiatry: Perspectives for improving therapeutic drug monitoring. Eur Neuropsychopharmacol 2017; 27:205-216. [PMID: 28130001 DOI: 10.1016/j.euroneuro.2017.01.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 12/02/2016] [Accepted: 01/05/2017] [Indexed: 01/04/2023]
Abstract
Assessment of drug concentrations is indicated to guide dosing of a selected number of drugs used in psychiatry. Conventionally this is done by vena puncture. Novel sampling strategies such as dried blood spot (DBS) sampling have been developed for various drugs, including antipsychotics, antidepressants and mood-stabilizers. DBS sampling is typically performed by means of a finger prick. This method allows for remote sampling, which means that patients are not required to travel to a health care facility. The number of DBS assays for drugs used in psychiatry has increased over the last decade and includes antidepressants (tricyclic and serotonin and/or norepinephrine reuptake inhibitors), mood stabilizers and first- and second-generation antipsychotics. Available assays often comply with analytical validation criteria but are seldom used in routine clinical care. Little attention has been paid to the clinical validation and implementation processes of home sampling. Ideally, not only medicines but also clinical chemistry parameters should be measured within the same sample. This article reflects on the position of DBS remote sampling in psychiatry and provides insight in the requisites of making such a sampling tool successful.
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Affiliation(s)
- Lisa C Martial
- Radboud University Medical Center, Department of Pharmacy, Nijmegen, The Netherlands; Radboud Institute for Health Sciences, Nijmegen, The Netherlands
| | - Rob E Aarnoutse
- Radboud University Medical Center, Department of Pharmacy, Nijmegen, The Netherlands; Radboud Institute for Health Sciences, Nijmegen, The Netherlands
| | - Martina Mulder
- Radboud University Medical Center, Department of Psychiatry, Reinier Postlaan 10, Route 966, 6500 HB Nijmegen, The Netherlands
| | - Arnt Schellekens
- Radboud University Medical Center, Department of Psychiatry, Reinier Postlaan 10, Route 966, 6500 HB Nijmegen, The Netherlands; Donders Institute for Brain, Cognition and Behavior, Radboud University Nijmegen, Nijmegen, The Netherlands; Radboud University, Nijmegen Institute for Scientist-Practitioners in Addiction, Nijmegen, The Netherlands
| | - Roger J M Brüggemann
- Radboud University Medical Center, Department of Pharmacy, Nijmegen, The Netherlands; Radboud Institute for Health Sciences, Nijmegen, The Netherlands
| | - David M Burger
- Radboud University Medical Center, Department of Pharmacy, Nijmegen, The Netherlands; Radboud Institute for Health Sciences, Nijmegen, The Netherlands
| | - Aart H Schene
- Radboud University Medical Center, Department of Psychiatry, Reinier Postlaan 10, Route 966, 6500 HB Nijmegen, The Netherlands; Donders Institute for Brain, Cognition and Behavior, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - Albert Batalla
- Radboud University Medical Center, Department of Psychiatry, Reinier Postlaan 10, Route 966, 6500 HB Nijmegen, The Netherlands; Radboud University, Nijmegen Institute for Scientist-Practitioners in Addiction, Nijmegen, The Netherlands.
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17
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Dried blood spot analysis of gabapentin as a valid alternative for serum: a bridging study. J Pharm Biomed Anal 2017; 132:72-76. [DOI: 10.1016/j.jpba.2016.09.036] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 09/09/2016] [Accepted: 09/24/2016] [Indexed: 12/15/2022]
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18
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Opening the toolbox of alternative sampling strategies in clinical routine: A key-role for (LC-)MS/MS. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2016.01.030] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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19
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Remmerie B, De Meulder M, Weiner S, Savitz A. Comparison of Capillary and Venous Drug Concentrations After Administration of a Single Dose of Risperidone, Paliperidone, Quetiapine, Olanzapine, or Aripiprazole. Clin Pharmacol Drug Dev 2016; 5:528-537. [PMID: 27365164 PMCID: PMC5132056 DOI: 10.1002/cpdd.290] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Revised: 06/01/2016] [Accepted: 06/29/2016] [Indexed: 02/03/2023]
Abstract
Risperidone, paliperidone, quetiapine, olanzapine, and aripiprazole are antipsychotic drugs approved for treating various psychiatric disorders, including schizophrenia. The objective of this randomized, parallel‐group, open‐label study was to compare finger‐stick‐based capillary with corresponding venous whole‐blood and plasma concentrations for these drugs after administration of a single dose to healthy volunteers. All whole‐blood and plasma drug concentrations were measured with validated liquid chromatography–tandem mass spectrometry methods. Capillary and venous concentrations (both in plasma and whole blood) were in close agreement, although a time‐dependent difference was observed, most obviously for olanzapine and paliperidone, with slightly higher capillary versus venous drug concentrations during the first hours after administering a single dose. The observed difference between capillary and venous plasma drug concentrations is expected not to be relevant in clinical practice, considering the wide window of therapeutic concentrations and the wide range of drug concentrations in the patient population for a given dose. Based on these results, finger‐stick‐based capillary drug concentrations have been shown to approximate venous drug concentrations.
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Affiliation(s)
- Bart Remmerie
- Janssen Research & Development, Division of Janssen Pharmaceutica NV, Beerse, Belgium
| | - Marc De Meulder
- Janssen Research & Development, Division of Janssen Pharmaceutica NV, Beerse, Belgium
| | - Sveta Weiner
- Janssen Research & Development, LLC, Raritan, NJ, USA
| | - Adam Savitz
- Janssen Research & Development, LLC, Raritan, NJ, USA
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20
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Remmerie B, De Meulder M, Ariyawansa J, Savitz A. Comparison of Capillary and Venous Plasma Drug Concentrations After Repeated Administration of Risperidone, Paliperidone, Quetiapine, Olanzapine, or Aripiprazole. Clin Pharmacol Drug Dev 2016; 5:538-547. [PMID: 27363344 PMCID: PMC5132144 DOI: 10.1002/cpdd.291] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Revised: 06/01/2016] [Accepted: 06/29/2016] [Indexed: 11/21/2022]
Abstract
Quantification of blood levels of antipsychotic drugs may be useful for managing medication therapy. This open‐label, parallel‐group study was performed to compare finger‐stick‐based capillary with corresponding venous plasma concentrations for risperidone, paliperidone, quetiapine, olanzapine, and aripiprazole and their major metabolites after repeated dosing in patients with schizophrenia or related illnesses. Finger‐stick‐based capillary and venous blood samples were collected at various times within a dosing interval. All drug concentration measurements in the derived plasma samples were performed with validated liquid chromatography–tandem mass spectrometry methods. Finger‐stick‐based capillary and venous plasma drug concentrations after repeated dosing were generally similar. Olanzapine capillary plasma concentrations, however, were on average approximately 20% higher than venous concentrations, with a trend for a relatively greater difference occurring shortly after dosing. In addition, smaller capillary–venous differences were observed for extended‐release and long‐acting intramuscular formulations and for aripiprazole, a drug with a long half‐life, compared with drugs administered as an immediate‐release formulation (risperidone, olanzapine). After repeated dosing, plasma derived from finger‐stick‐based blood was observed to be predictive of the venous concentrations. Capillary sampling may be an appropriate alternative to venous sampling to readily evaluate systemic drug concentrations.
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Affiliation(s)
- Bart Remmerie
- Janssen Research & Development, Division of Janssen Pharmaceutica NV, Beerse, Belgium
| | - Marc De Meulder
- Janssen Research & Development, Division of Janssen Pharmaceutica NV, Beerse, Belgium
| | | | - Adam Savitz
- Janssen Research & Development, LLC, Raritan, NJ, USA
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21
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A clinical validation study for application of DBS in therapeutic drug monitoring of antidepressants. Bioanalysis 2016; 8:413-24. [DOI: 10.4155/bio.15.255] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background: A bridging study of plasma and DBS concentrations for therapeutic drug monitoring of antidepressants was performed. Results & methodology: Potassium-based hematocrit analysis was included. In addition, we defined acceptance criteria based on the differences between individual data points of plasma and DBS concentrations. These criteria were applied to test acceptability of error found in predicted nortriptyline plasma concentrations. Potassium-based hematocrit predicted a negative bias for DBS concentrations of amitriptyline, but not for the other compounds. To predict plasma concentrations of antidepressants based on DBS concentrations, a factor of 0.8, 0.65, 0.84 and 0.78 was found for nortriptyline, desmethylclomipramine, venlafaxine and desmethylvenlafaxine, respectively. Discussion & conclusion: Application of the factor and newly formulated acceptance criteria demonstrated prediction of nortriptyline plasma concentrations based on DBS concentrations.
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