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Zailani NNB, Ho PCL. Dried Blood Spots-A Platform for Therapeutic Drug Monitoring (TDM) and Drug/Disease Response Monitoring (DRM). Eur J Drug Metab Pharmacokinet 2023; 48:467-494. [PMID: 37495930 PMCID: PMC10480258 DOI: 10.1007/s13318-023-00846-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/09/2023] [Indexed: 07/28/2023]
Abstract
This review provides an overview on the current applications of dried blood spots (DBS) as matrices for therapeutic drug (TDM) and drug or disease response monitoring (DRM). Compared with conventional methods using plasma/serum, DBS offers several advantages, including minimally invasiveness, a small blood volume requirement, reduced biohazardous risk, and improved sample stability. Numerous assays utilising DBS for TDM have been reported in the literature over the past decade, covering a wide range of therapeutic drugs. Several factors can affect the accuracy and reliability of the DBS sampling method, including haematocrit (HCT), blood volume, sampling paper and chromatographic effects. It is crucial to evaluate the correlation between DBS concentrations and conventional plasma/serum concentrations, as the latter has traditionally been used for clinical decision. The feasibility of using DBS sampling method as an option for home-based TDM is also discussed. Furthermore, DBS has also been used as a matrix for monitoring the drug or disease responses (DRM) through various approaches such as genotyping, viral load measurement, assessment of inflammatory factors, and more recently, metabolic profiling. Although this research is still in the development stage, advancements in technology are expected to lead to the identification of surrogate biomarkers for drug treatment in DBS and a better understanding of the correlation between DBS drug levels and drug responses. This will make DBS a valuable matrix for TDM and DRM, facilitating the achievement of pharmacokinetic and pharmacodynamic correlations and enabling personalised therapy.
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Affiliation(s)
- Nur Nabihah Binte Zailani
- Department of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore, 117543, Singapore
| | - Paul Chi-Lui Ho
- Department of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore, 117543, Singapore.
- School of Pharmacy, Monash University Malaysia, Level 5, Building 2, 47500, Bandar Sunway, Selangor Darul Ehsan, Malaysia.
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Vieira Diniz ML, Batista JM, da Silva PHR, Fernandes C. Microextraction by packed sorbent and high-performance liquid chromatography for determination of benznidazole in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1219:123640. [PMID: 36867997 DOI: 10.1016/j.jchromb.2023.123640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/20/2023] [Accepted: 02/19/2023] [Indexed: 02/24/2023]
Abstract
Benznidazole is the main drug used in Chagas disease and its determination in plasma samples is useful in several situations. Hence, robust and accurate bioanalytical methods are needed. In this context, sample preparation deserves special attention, as it is the most error-prone, labor-intensive and time-consuming step. Microextraction by packed sorbent (MEPS) is a miniaturized technique, developed to minimize the use of hazardous solvents and sample amount. In this context, this study aimed to develop and validate a MEPS coupled to high performance liquid chromatography method for the analysis of benznidazole in human plasma. MEPS optimization was performed by a 24 full factorial experimental design, which resulted in about 25 % of recovery. The best condition was achieved when 500 µL of plasma,10 draw-eject cycles, sample volume drawn of 100 µL, and desorption with three times of 50 µL of acetonitrile were used. The chromatographic separation was performed with a C18 (150 × 4.5 mm, 5 µm) column. The mobile phase was composed of water:acetonitrile (60:40) at a flow rate of 1.0 mL min-1. The developed method was validated and proved to be selective, precise, accurate, robust and linear in the range from 0.5 to 6.0 µg mL-1. The method was applied to three healthy volunteers that made use of benznidazole tablets and showed to be adequate to assess this drug in plasma samples.
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Affiliation(s)
- Melina Luiza Vieira Diniz
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - Jessica Mauricio Batista
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - Pedro Henrique Reis da Silva
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - Christian Fernandes
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos 6627, 31270-901 Belo Horizonte, MG, Brazil.
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Maass KF, Barfield MD, Ito M, James CA, Kavetska O, Kozinn M, Kumar P, Lepak M, Leuthold LA, Li W, Mikhailov D, Patel S, Perez NL, Jackson Rudd D, Vakkalagadda B, Williams TM, Zha J, Zhang X, Anderson MD. Leveraging patient-centric sampling for clinical drug development and decentralized clinical trials: Promise to reality. Clin Transl Sci 2022; 15:2785-2795. [PMID: 36129129 PMCID: PMC9747123 DOI: 10.1111/cts.13411] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/11/2022] [Accepted: 08/15/2022] [Indexed: 01/26/2023] Open
Abstract
Advances in the technologies to enable patient-centric sampling (PCS) have the potential to improve blood sample collection by enabling clinical trial participants to collect samples via self-collection or with the help of a caregiver in their home. Typically, blood samples to assess pharmacokinetics and pharmacodynamics of a drug during clinical development are collected at a clinical site via venous blood draw. In this position paper by the International Consortium for Innovation and Quality in Pharmaceutical Development (IQ), the potential value PCS can bring to patients, to the clinical datasets generated, and to clinical trial sponsors is discussed, along with considerations for program decision making, bioanalytical feasibility, operations, and regulatory implications. With an understanding of the value of PCS and considerations when implementing during clinical drug development, we can bring the promise of PCS closer to reality and enable decentralized clinical trials.
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Affiliation(s)
| | | | - Mototsugu Ito
- Astellas Pharma Global Development, Inc.NorthbrookIllinoisUSA
| | | | | | - Marc Kozinn
- Bristol Myers SquibbLawrencevilleNew JerseyUSA
| | | | | | | | | | | | | | - Nisha L. Perez
- Blueprint MedicinesCambridgeMassachusettsUSA,ROME TherapeuticsCambridgeMassachusettsUSA
| | | | | | | | | | - Xin Zhang
- Eli Lilly and CompanyIndianapolisIndianaUSA
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Alonso-Vega C, Urbina JA, Sanz S, Pinazo MJ, Pinto JJ, Gonzalez VR, Rojas G, Ortiz L, Garcia W, Lozano D, Soy D, Maldonado RA, Nagarkatti R, Debrabant A, Schijman A, Thomas MC, López MC, Michael K, Ribeiro I, Gascon J, Torrico F, Almeida IC. New chemotherapy regimens and biomarkers for Chagas disease: the rationale and design of the TESEO study, an open-label, randomised, prospective, phase-2 clinical trial in the Plurinational State of Bolivia. BMJ Open 2021; 11:e052897. [PMID: 34972765 PMCID: PMC8720984 DOI: 10.1136/bmjopen-2021-052897] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION Chagas disease (CD) affects ~7 million people worldwide. Benznidazole (BZN) and nifurtimox (NFX) are the only approved drugs for CD chemotherapy. Although both drugs are highly effective in acute and paediatric infections, their efficacy in adults with chronic CD (CCD) is lower and variable. Moreover, the high incidence of adverse events (AEs) with both drugs has hampered their widespread use. Trials in CCD adults showed that quantitative PCR (qPCR) assays remain negative for 12 months after standard-of-care (SoC) BZN treatment in ~80% patients. BZN pharmacokinetic data and the nonsynchronous nature of the proliferative mammal-dwelling parasite stage suggested that a lower BZN/NFX dosing frequency, combined with standard or extended treatment duration, might have the same or better efficacy than either drug SoC, with fewer AEs. METHODS AND ANALYSIS New ThErapies and Biomarkers for ChagaS infEctiOn (TESEO) is an open-label, randomised, prospective, phase-2 clinical trial, with six treatment arms (75 patients/arm, 450 patients). Primary objectives are to compare the safety and efficacy of two new proposed chemotherapy regimens of BZN and NFX in adults with CCD with the current SoC for BZN and NFX, evaluated by qPCR and biomarkers for 36 months posttreatment and correlated with CD conventional serology. Recruitment of patients was initiated on 18 December 2019 and on 20 May 2021, 450 patients (study goal) were randomised among the six treatment arms. The treatment phase was finalised on 18 August 2021. Secondary objectives include evaluation of population pharmacokinetics of both drugs in all treatment arms, the incidence of AEs, and parasite genotyping. ETHICS AND DISSEMINATION The TESEO study was approved by the National Institutes of Health (NIH), U.S. Food and Drug Administration (FDA), federal regulatory agency of the Plurinational State of Bolivia and the Ethics Committees of the participating institutions. The results will be disseminated via publications in peer-reviewed journals, conferences and reports to the NIH, FDA and participating institutions. TRIAL REGISTRATION NUMBER NCT03981523.
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Affiliation(s)
| | - Julio A Urbina
- Center for Biochemistry and Biophysics, Venezuelan Institute for Scientific Research (IVIC), Caracas, Distrito Capital, Venezuela, Bolivarian Republic of
| | - Sergi Sanz
- Biostatistics and Data Management Unit, Barcelona Institute for Global Health, Barcelona, Spain
- Consorcio de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Department of Basic Clinical Practice, Universitat de Barcelona, Barcelona, Spain
| | - María-Jesús Pinazo
- Barcelona Institute for Global Health (ISGLOBAL), Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
| | - Jimy José Pinto
- Fundación Ciencia y Estudios Aplicados para el Desarrollo en Salud y Medio Ambiente (CEADES), Cochabamba, Bolivia, Plurinational State of
| | - Virginia R Gonzalez
- Department of Biological Sciences, The University of Texas at El Paso, El Paso, Texas, USA
| | - Gimena Rojas
- Fundación Ciencia y Estudios Aplicados para el Desarrollo en Salud y Medio Ambiente (CEADES), Cochabamba, Bolivia, Plurinational State of
| | - Lourdes Ortiz
- Fundación Ciencia y Estudios Aplicados para el Desarrollo en Salud y Medio Ambiente (CEADES), Tarija, Bolivia, Plurinational State of
- Universidad Autónoma Juan Misael Saracho, Tarija, Bolivia, Plurinational State of
| | - Wilson Garcia
- Centro Plataforma Chagas Sucre, Fundación Ciencia y Estudios Aplicados para el Desarrollo en Salud y Medio Ambiente (CEADES), Sucre, Bolivia, Plurinational State of
- Programa Departamental de Chagas Chuquisaca, Servicio Departamental de Salud de Chuquisaca, Chuquisaca, Bolivia, Plurinational State of
| | - Daniel Lozano
- Fundación Ciencia y Estudios Aplicados para el Desarrollo en Salud y Medio Ambiente (CEADES), Cochabamba, Bolivia, Plurinational State of
| | - Dolors Soy
- Pharmacy Service, Division of Medicines, Hospital Clinic de Barcelona, Barcelona, Spain
- Institut de Investigació Biomèdica Agustí Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Barcelona, Spain
| | - Rosa A Maldonado
- Department of Biological Sciences, The University of Texas at El Paso, El Paso, Texas, USA
| | - Rana Nagarkatti
- Division of Emerging and Transfusion Transmitted Diseases, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration (FDA), Silver Spring, Maryland, USA
| | - Alain Debrabant
- Division of Emerging and Transfusion Transmitted Diseases, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration (FDA), Silver Spring, Maryland, USA
| | - Alejandro Schijman
- Laboratorio de Biología Molecular de la Enfermedad de Chagas, Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - M Carmen Thomas
- Consejo Superior de Investigaciones Científicas, Instituto de Parasitología y Biomedicina López-Neyra, Granada, Spain
| | - Manuel Carlos López
- Consejo Superior de Investigaciones Científicas, Instituto de Parasitología y Biomedicina López-Neyra, Granada, Spain
| | - Katja Michael
- Department of Chemistry and Biochemistry, The University of Texas at El Paso, El Paso, Texas, USA
| | - Isabela Ribeiro
- Dynamic Portfolio Unit, Drugs for Neglected Diseases initiative, Geneva, Switzerland
| | - Joaquim Gascon
- Barcelona Institute for Global Health (ISGLOBAL), Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
| | - Faustino Torrico
- Fundación Ciencia y Estudios Aplicados para el Desarrollo en Salud y Medio Ambiente (CEADES), Cochabamba, Bolivia, Plurinational State of
| | - Igor C Almeida
- Department of Biological Sciences, The University of Texas at El Paso, El Paso, Texas, USA
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