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Briki M, Murisier A, Guidi M, Seydoux C, Buclin T, Marzolini C, Girardin FR, Thoma Y, Carrara S, Choong E, Decosterd LA. Liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) methods for the therapeutic drug monitoring of cytotoxic anticancer drugs: An update. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1236:124039. [PMID: 38490042 DOI: 10.1016/j.jchromb.2024.124039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/26/2024] [Accepted: 01/31/2024] [Indexed: 03/17/2024]
Abstract
In the era of precision medicine, there is increasing evidence that conventional cytotoxic agents may be suitable candidates for therapeutic drug monitoring (TDM)- guided drug dosage adjustments and patient's tailored personalization of non-selective chemotherapies. To that end, many liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) assays have been developed for the quantification of conventional cytotoxic anticancer chemotherapies, that have been comprehensively and critically reviewed. The use of stable isotopically labelled internal standards (IS) of cytotoxic drugs was strikingly uncommon, accounting for only 48 % of the methods found, although their use could possible to suitably circumvent patients' samples matrix effects variability. Furthermore, this approach would increase the reliability of cytotoxic drug quantification in highly multi-mediated cancer patients with complex fluctuating pathophysiological and clinical conditions. LC-MS/MS assays can accommodate multiplexed analyses of cytotoxic drugs with optimal selectivity and specificity as well as short analytical times and, when using stable-isotopically labelled IS for quantification, provide concentrations measurements with a high degree of certainty. However, there are still organisational, pharmacological, and medical constraints to tackle before TDM of cytotoxic drugs can be more largely adopted in the clinics for contributing to our ever-lasting quest to improve cancer treatment outcomes.
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Affiliation(s)
- M Briki
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland; Service of Clinical Pharmacology, Department of Medicine, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland; Bio/CMOS Interfaces Laboratory, École Polytechnique Fédérale de Lausanne-EPFL, 2002 Neuchâtel, Switzerland
| | - A Murisier
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - M Guidi
- Service of Clinical Pharmacology, Department of Medicine, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, University of Lausanne, 1206 Geneva, Switzerland; Centre for Research and Innovation in Clinical Pharmaceutical Sciences, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - C Seydoux
- Internal Medicine Service, Department of Medicine, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - T Buclin
- Service of Clinical Pharmacology, Department of Medicine, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - C Marzolini
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - F R Girardin
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland; Service of Clinical Pharmacology, Department of Medicine, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - Y Thoma
- School of Engineering and Management Vaud, HES-SO University of Applied Sciences and Arts Western Switzerland, 1401 Yverdon-les-Bains, Switzerland
| | - S Carrara
- Bio/CMOS Interfaces Laboratory, École Polytechnique Fédérale de Lausanne-EPFL, 2002 Neuchâtel, Switzerland
| | - E Choong
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - L A Decosterd
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland.
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Bader P, Pötschger U, Dalle JH, Moser LM, Balduzzi A, Ansari M, Buechner J, Güngör T, Ifversen M, Krivan G, Pichler H, Renard M, Staciuk R, Sedlacek P, Stein J, Heusel JR, Truong T, Wachowiak J, Yesilipek A, Locatelli F, Peters C. Low rate of nonrelapse mortality in under-4-year-olds with ALL given chemotherapeutic conditioning for HSCT: a phase 3 FORUM study. Blood Adv 2024; 8:416-428. [PMID: 37738088 PMCID: PMC10827403 DOI: 10.1182/bloodadvances.2023010591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 09/05/2023] [Accepted: 09/08/2023] [Indexed: 09/23/2023] Open
Abstract
ABSTRACT Allogeneic hematopoietic stem cell transplantation (HSCT) is highly effective for treating pediatric high-risk or relapsed acute lymphoblastic leukemia (ALL). For young children, total body irradiation (TBI) is associated with severe late sequelae. In the FORUM study (NCT01949129), we assessed safety, event-free survival (EFS), and overall survival (OS) of 2 TBI-free conditioning regimens in children aged <4 years with ALL. Patients received fludarabine (Flu), thiotepa (Thio), and either busulfan (Bu) or treosulfan (Treo) before HSCT. From 2013 to 2021, 191 children received transplantation and were observed for ≥6 months (median follow-up: 3 years). The 3-year OS was 0.63 (95% confidence interval [95% CI], 0.52-0.72) and 0.76 (95% CI, 0.64-0.84) for Flu/Thio/Bu and Flu/Thio/Treo (P = .075), respectively. Three-year EFS was 0.52 (95% CI, 0.41-0.61) and 0.51 (95% CI, 0.39-0.62), respectively (P = .794). Cumulative incidence of nonrelapse mortality (NRM) and relapse at 3 years were 0.06 (95% CI, 0.02-0.12) vs 0.03 (95% CI: <0.01-0.09) (P = .406) and 0.42 (95% CI, 0.31-0.52) vs 0.45 (95% CI, 0.34-0.56) (P = .920), respectively. Grade >1 acute graft-versus-host disease (GVHD) occurred in 29% of patients receiving Flu/Thio/Bu and 17% of those receiving Flu/Thio/Treo (P = .049), whereas grade 3/4 occurred in 10% and 9%, respectively (P = .813). The 3-year incidence of chronic GVHD was 0.07 (95% CI, 0.03-0.13) vs 0.05 (95% CI, 0.02-0.11), respectively (P = .518). In conclusion, both chemotherapeutic conditioning regimens were well tolerated and NRM was low. However, relapse was the major cause of treatment failure. This trial was registered at www.clinicaltrials.gov as #NCT01949129.
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Affiliation(s)
- Peter Bader
- Goethe University, University Hospital, Department of Pediatrics, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Frankfurt, Germany
| | | | - Jean-Hugues Dalle
- Pediatric Hematology and Immunology Department, Robert Debré Hospital, Groupe Hospitalo-Universitaire Assistance Publique Hôpitaux de Paris (GHU AP-HP) Nord, Université Paris Cité, Paris, France
| | - Laura M. Moser
- Goethe University, University Hospital, Department of Pediatrics, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Frankfurt, Germany
| | - Adriana Balduzzi
- Università degli Studi di Milano-Fondazione, FONDAZIONE MONZA E BRIANZA PER IL BAMBINO E LA SUA MAMMA (MBBM), Department for Pediatric Hematology and Oncology, Monza, Italy
| | - Marc Ansari
- CANSEARCH Research Platform for Pediatric Oncology and Hematology, Faculty of Medicine, Department of Pediatrics, Gynecology and Obstetrics, University of Geneva, Switzerland
- Division of Pediatric Oncology and Hematology, Department of Women, Child and Adolescent, University Geneva Hospitals, Geneva, Switzerland
| | - Jochen Buechner
- Department of Pediatric Hematology and Oncology, Oslo University Hospital, Oslo, Norway
| | - Tayfun Güngör
- Department of Hematology/Oncology/Immunology, Gene Therapy, and Stem Cell Transplantation, University Children's Hospital Zürich, Eleonore Foundation & Children’s Research Center, Zürich, Switzerland
| | - Marianne Ifversen
- Copenhagen University Hospital Rigshospitalet, Department for Pediatric Hematology and Oncology, Copenhagen, Denmark
| | - Gergely Krivan
- Pediatric Hematology and Stem Cell Transplantation Department, Central Hospital of Southern Pest, National Institute of Hematology and Infectious Diseases, Budapest, Hungary
| | - Herbert Pichler
- St. Anna Children's Hospital, University Vienna, Vienna, Austria
| | - Marleen Renard
- Department of Paediatric Oncology, University Hospital Leuven, Leuven, Belgium
| | - Raquel Staciuk
- Hospital de Pediatría “Prof. Dr. Juan P. Garrahan,” Buenos Aires, Buenos Aires, Argentina
| | - Petr Sedlacek
- Department of Pediatric Hematology and Oncology, Motol University Hospital, Prague, Czech Republic
| | - Jerry Stein
- Schneider Children's Medical Center of Israel and Sackler Faculty of Medicine, Tel Aviv University, Petah Tikva, Israel
| | - Jan Robert Heusel
- Goethe University, University Hospital, Department of Pediatrics, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Frankfurt, Germany
| | - Tony Truong
- Division of Pediatric Oncology and Cellular Therapy, Alberta Children's Hospital, Calgary, Alberta, Canada
| | - Jacek Wachowiak
- Department of Pediatric Oncology, Hematology and Transplantology, Poznań University of Medical Sciences, Poznań, Poland
| | | | - Franco Locatelli
- Department of Pediatric Hematology and Oncology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale Pediatrico Bambino Gesù, Catholic University of the Sacred Heart, Rome, Italy
| | - Christina Peters
- St. Anna Children's Cancer Research Institute, Vienna, Austria
- St. Anna Children's Hospital, University Vienna, Vienna, Austria
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Kweekel DM, McCune JS, Punt AM, van Luin M, Franssen EJ. Busulfan Interlaboratory Proficiency Testing Program Revealed Worldwide Errors in Drug Quantitation and Dose Recommendations. Ther Drug Monit 2023; 45:760-765. [PMID: 37199431 PMCID: PMC10635345 DOI: 10.1097/ftd.0000000000001107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 03/31/2023] [Indexed: 05/19/2023]
Abstract
BACKGROUND The clinical outcomes of busulfan-based conditioning regimens for hematopoietic cell transplantation (HCT) have been improved by personalizing the doses to target narrow busulfan plasma exposure. An interlaboratory proficiency test program for the quantitation, pharmacokinetic modeling, and busulfan dosing in plasma was developed. Previous proficiency rounds (ie, the first 2) found that 67%-85% and 71%-88% of the dose recommendations were inaccurate, respectively. METHODS A proficiency test scheme was developed by the Dutch Foundation for Quality Assessment in Medical Laboratories (SKML) and consisted of 2 rounds per year, with each round containing 2 busulfan samples. In this study, 5 subsequent proficiency tests were evaluated. In each round, the participating laboratories reported their results for 2 proficiency samples (ie, low and high busulfan concentrations) and a theoretical case assessing their pharmacokinetic modeling and dose recommendations. Descriptive statistics were performed, with ±15% for busulfan concentrations and ±10% for busulfan plasma exposure. The dose recommendations were deemed accurate. RESULTS Since January 2020, 41 laboratories have participated in at least 1 round of this proficiency test. Over the 5 rounds, an average of 78% of the busulfan concentrations were accurate. Area under the concentration-time curve calculations were accurate in 75%-80% of the cases, whereas only 60%-69% of the dose recommendations were accurate. Compared with the first 2 proficiency test rounds (PMID 33675302, October, 2021), the busulfan quantitation results were similar, but the dose recommendations worsened. Some laboratories repeatedly submit results that deviated by more than 15% from the reference values. CONCLUSIONS The proficiency test showed persistent inaccuracies in busulfan quantitation, pharmacokinetic modeling, and dose recommendations. Additional educational efforts have yet to be implemented; regulatory efforts seem to be needed. The use of specialized busulfan pharmacokinetic laboratories or a sufficient performance in busulfan proficiency tests should be required for HCT centers that prescribe busulfan.
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Affiliation(s)
- Dina M. Kweekel
- Department of Clinical Pharmacy and Toxicology, Leiden University Medical Center, Leiden, The Netherlands;
- Drug Analysis and Toxicology Division (KKGT) of the Dutch Foundation for Quality Assessment in Medical Laboratories (SKML), Utrecht, The Netherlands;
| | - Jeannine S. McCune
- Department of Hematologic Malignancies Translational Sciences and Department of Hematologic Malignancies & HCT, Beckman Research Institute of City of Hope, Duarte, California
| | - Arjen M. Punt
- Department of Clinical Pharmacy, Division of Laboratory Medicine and Pharmacy, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands;
- Central Diagnostic Laboratory, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Matthijs van Luin
- Drug Analysis and Toxicology Division (KKGT) of the Dutch Foundation for Quality Assessment in Medical Laboratories (SKML), Utrecht, The Netherlands;
- Department of Clinical Pharmacology, University Medical Center Utrecht, Utrecht, The Netherlands; and
| | - Eric J.F. Franssen
- Drug Analysis and Toxicology Division (KKGT) of the Dutch Foundation for Quality Assessment in Medical Laboratories (SKML), Utrecht, The Netherlands;
- Department of Clinical Pharmacy OLVG, Amsterdam, The Netherlands
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Seydoux C, Uppugunduri CRS, Medinger M, Nava T, Halter J, Heim D, Chalandon Y, Schanz U, Nair G, Cantoni N, Passweg JR, Ansari M. Effect of pharmacokinetics and pharmacogenomics in adults with allogeneic hematopoietic cell transplantation conditioned with Busulfan. Bone Marrow Transplant 2023; 58:811-816. [PMID: 37085674 PMCID: PMC10325946 DOI: 10.1038/s41409-023-01963-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 03/04/2023] [Accepted: 03/17/2023] [Indexed: 04/23/2023]
Abstract
Busulfan (Bu) combined with cyclophosphamide (Cy) is commonly used as a myeloablative conditioning regimen for allogeneic hematopoietic cell transplantation (allo-HCT). There is inter-individual variability of Bu pharmacokinetics (PK) and hence in toxicity and efficacy. The introduction of therapeutic drug monitoring (TDM) of Bu has decreased toxicity of the regimen. Hepatic metabolism of Bu is mediated through Glutathione-S-Transferases (GSTs), mainly GSTA1. Patients with GSTA1*A variants are considered normal metabolizers and GSTA1*B corresponds to poor metabolism, defined by nucleotide changes at -52 or -69 locus in GSTA1 promoter region. The aim of the study was to explore the correlation between GSTA1 polymorphisms and Bu-PK in 60 adult patients receiving an allo-HCT in the BuCyBu clinical study (ClinicalTrials.gov I, ID NCT01779882) comparing the sequence BuCy to CyBu. DNA samples prior to conditioning were genotyped for candidate variants at -52 (rs3957356) and -69 (rs3957357) loci in the GSTA1 promoter. Thirty-three % of patients were GSTA1*A*A, 49% GSTA1*A*B and 18% GSTA1*B*B. In GSTA1*A*A patients, median Bu-AUC was 3.6 ± 0.7 mg*h/L, in GSTA1*A*B 4.5 ± 1.6 and in GSTA1*B*B 4.9 ± 1.4 (AUC 35% higher than GSTA1*A*A, p = 0.03), with a similar significant correlation with Bu-clearance (p = 0.04). The correlation between GSTA1 polymorphism and AUC remained significant in multivariate linear regression analysis. There was a trend for lower non-relapse mortality (NRM) in patients with low AUC. We could not demonstrate a correlation between GSTA1 polymorphisms and NRM, acute graft-versus-host disease (aGvHD) in this small cohort, but there is a trend of higher aGvHD incidence in GSTA1*B*B patients.
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Affiliation(s)
- Claire Seydoux
- Division of Hematology, University Hospital of Basel, Basel, Switzerland and University Basel, Basel, Switzerland.
| | - Chakradhara Rao Satyanarayana Uppugunduri
- Division of Pediatric Oncology and Hematology, Department of Women, Child and Adolescent, University Geneva Hospitals, Geneva, Switzerland
- Cansearch Research Platform for Pediatric Oncology and Hematology, Faculty of Medicine, Department of Pediatrics, Gynecology and Obstetrics, University of Geneva, Geneva, Switzerland
| | - Michael Medinger
- Division of Hematology, University Hospital of Basel, Basel, Switzerland and University Basel, Basel, Switzerland
| | - Tiago Nava
- Division of Pediatric Oncology and Hematology, Department of Women, Child and Adolescent, University Geneva Hospitals, Geneva, Switzerland
- Cansearch Research Platform for Pediatric Oncology and Hematology, Faculty of Medicine, Department of Pediatrics, Gynecology and Obstetrics, University of Geneva, Geneva, Switzerland
| | - Joerg Halter
- Division of Hematology, University Hospital of Basel, Basel, Switzerland and University Basel, Basel, Switzerland
| | - Dominik Heim
- Division of Hematology, University Hospital of Basel, Basel, Switzerland and University Basel, Basel, Switzerland
| | - Yves Chalandon
- Division of Hematology, Bone Marrow Transplant Unit, University Hospital of Geneva and Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Urs Schanz
- Department of Medical Oncology and Hematology, University Hospital of Zurich, Zurich, Switzerland
| | - Gayathri Nair
- Department of Medical Oncology and Hematology, University Hospital of Zurich, Zurich, Switzerland
| | - Nathan Cantoni
- Division of Oncology, Hematology and Transfusion Medicine, Kantonsspital Aarau, Aarau, Switzerland
| | - Jakob R Passweg
- Division of Hematology, University Hospital of Basel, Basel, Switzerland and University Basel, Basel, Switzerland
| | - Marc Ansari
- Division of Pediatric Oncology and Hematology, Department of Women, Child and Adolescent, University Geneva Hospitals, Geneva, Switzerland
- Cansearch Research Platform for Pediatric Oncology and Hematology, Faculty of Medicine, Department of Pediatrics, Gynecology and Obstetrics, University of Geneva, Geneva, Switzerland
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5
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Briki M, André P, Thoma Y, Widmer N, Wagner AD, Decosterd LA, Buclin T, Guidi M, Carrara S. Precision Oncology by Point-of-Care Therapeutic Drug Monitoring and Dosage Adjustment of Conventional Cytotoxic Chemotherapies: A Perspective. Pharmaceutics 2023; 15:pharmaceutics15041283. [PMID: 37111768 PMCID: PMC10147065 DOI: 10.3390/pharmaceutics15041283] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
Therapeutic drug monitoring (TDM) of conventional cytotoxic chemotherapies is strongly supported yet poorly implemented in daily practice in hospitals. Analytical methods for the quantification of cytotoxic drugs are instead widely presented in the scientific literature, while the use of these therapeutics is expected to keep going for longer. There are two main issues hindering the implementation of TDM: turnaround time, which is incompatible with the dosage profiles of these drugs, and exposure surrogate marker, namely total area under the curve (AUC). Therefore, this perspective article aims to define the adjustment needed from current to efficient TDM practice for cytotoxics, namely point-of-care (POC) TDM. For real-time dose adjustment, which is required for chemotherapies, such POC TDM is only achievable with analytical methods that match the sensitivity and selectivity of current methods, such as chromatography, as well as model-informed precision dosing platforms to assist the oncologist with dose fine-tuning based on quantification results and targeted intervals.
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Affiliation(s)
- Myriam Briki
- Service and Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
- Bio/CMOS Interfaces Laboratory, École Polytechnique Fédérale de Lausanne-EPFL, 2002 Neuchâtel, Switzerland
| | - Pascal André
- Service and Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - Yann Thoma
- School of Engineering and Management Vaud, HES-SO University of Applied Sciences and Arts Western Switzerland, 1401 Yverdon-les-Bains, Switzerland
| | - Nicolas Widmer
- Service and Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
- Pharmacy of the Eastern Vaud Hospitals, 1847 Rennaz, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, University of Lausanne, 1206 Geneva, Switzerland
| | - Anna D Wagner
- Service of Medical Oncology, Department of Oncology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - Laurent A Decosterd
- Service and Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - Thierry Buclin
- Service and Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - Monia Guidi
- Service and Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, University of Lausanne, 1206 Geneva, Switzerland
- Centre for Research and Innovation in Clinical Pharmaceutical Sciences, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - Sandro Carrara
- Bio/CMOS Interfaces Laboratory, École Polytechnique Fédérale de Lausanne-EPFL, 2002 Neuchâtel, Switzerland
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Bioanalysis of tucatinib and metabolite, and a five-way cross-validation to support clinical pharmacokinetic analysis. Bioanalysis 2022; 14:1443-1452. [PMID: 36651218 DOI: 10.4155/bio-2022-0199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Tucatinib, a tyrosine kinase inhibitor of HER2, is approved in multiple regions for metastatic breast cancer and is being evaluated in metastatic colorectal and gastric cancers. During clinical development, quantification of tucatinib plasma concentrations for pharmacokinetic analysis was performed using MS/MS analysis by three laboratories using five different methods. Cross-validation was required to confirm data across laboratories were comparable. A five-way cross-validation procedure was developed where bioanalysis performed by one laboratory and method was used as a 'base' against which the other methods were validated. This cross-validation method provides an alternative to multiple head-to-head comparisons between two methods, and enabled combination of data from multiple tucatinib clinical trials for a single population pharmacokinetic analysis.
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7
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Mercier T, Desfontaine V, Cruchon S, Da Silva Pereira Clara J, Briki M, Mazza-Stalder J, Kajkus A, Burger R, Suttels V, Buclin T, Opota O, Koehler N, Sanchez Carballo P, Lange C, André P, Decosterd L, Choong E. A battery of tandem mass spectrometry assays with stable isotope-dilution for the quantification of 15 anti-tuberculosis drugs and two metabolites in patients with susceptible-, multidrug- resistant- and extensively drug-resistant tuberculosis. J Chromatogr B Analyt Technol Biomed Life Sci 2022; 1211:123456. [DOI: 10.1016/j.jchromb.2022.123456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 11/25/2022]
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Alsultan A, Albassam AA, Alturki A, Alsultan A, Essa M, Almuzzaini B, Alfadhel S. Can First-Dose Therapeutic Drug Monitoring Predict the Steady State Area Under the Blood Concentration-Time Curve of Busulfan in Pediatric Patients Undergoing Hematopoietic Stem Cell Transplantation? Front Pediatr 2022; 10:834773. [PMID: 35463912 PMCID: PMC9021690 DOI: 10.3389/fped.2022.834773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 03/14/2022] [Indexed: 11/26/2022] Open
Abstract
Busulfan has high intra-individual variability and possible time-dependent changes in clearance, which complicates therapeutic drug monitoring (TDM), as first dose sampling may not predict the steady state concentrations. In this study, we aimed to use Bayesian pharmacokinetic parameters estimated from the first dose to predict the steady state AUC for busulfan. This observational study was conducted among pediatric patients at King Abdullah Specialist Children's Hospital. From each patient, we collected six blood samples (2, 2.25, 2.5, 3, 4, and 6 h after the start of IV infusion of the first dose). A subset of patients were also sampled at the steady state. First, we modeled the data using only the first dose. The model was used to estimate the empirical Bayesian estimates of clearance for each individual patient, then we used the empirical Bayesian estimates of clearance to predict the AUC0-tau at steady state (i.e., predicted AUC0-tau). Steady state AUC0-tau was also calculated for patients sampled at steady state using the trapezoidal method using raw time concentration data; this was considered the reference AUC0-tau.. Then, we compared the AUC0-tau predicted using the Bayesian approach with the reference AUC0-tau values. We calculated bias and precision to assess predictability. In total we had 33 patients sampled after first dose and at steady state. Using the Bayesian approach to predict the AUC0-tau, bias was -2.8% and precision was 33%. This indicates that first dose concentrations cannot accurately predict steady state busulfan concentrations; therefore, follow-up TDM may be required for optimal dosing.
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Affiliation(s)
- Abdullah Alsultan
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.,Clinical Pharmacokinetics and Pharmacodynamics Unit, King Saud University Medical City, Riyadh, Saudi Arabia
| | - Ahmed A Albassam
- Department of Clinical Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Abdullah Alturki
- Pharmaceutical Analysis Lab-King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
| | - Abdulrahman Alsultan
- Department of Pediatrics, College of Medicine, King Saud University, Riyadh, Saudi Arabia.,Oncology Center, King Saud University Medical City, Riyadh, Saudi Arabia
| | - Mohammed Essa
- Department of Pediatric Hematology/Oncology, King Abdullah Specialist Children Hospital, Riyadh, Saudi Arabia.,College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.,King Abdullah International Medical Research Center, National Guard Health Affairs, Riyadh, Saudi Arabia
| | - Bader Almuzzaini
- Medical Genomics Research Department, King Abdullah International Medical Research Center, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia
| | - Salman Alfadhel
- Pharmaceutical Analysis Lab-King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
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9
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Gómez SM, Varela MA, Ruiz C, Sung L. Comparable Outcomes of Matched Sibling Donor and Matched Unrelated Donor Stem Cell Transplantation in Children With Acute Leukemia in Argentina. J Pediatr Hematol Oncol 2021; 43:e1020-e1024. [PMID: 33974585 DOI: 10.1097/mph.0000000000002174] [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] [Received: 06/18/2020] [Accepted: 02/24/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Hematopoietic stem cell transplantation (HSCT) is an effective mode of consolidation therapy for children with high-risk acute leukemia. In high-income countries, match sibling donor (MSD) and match unrelated donor (MUD) HSCT have similar outcomes, but data are scarce in upper-middle-income countries. Our objective was to compare MSD and MUD HSCT outcomes for children with acute leukemia in Argentina. PATIENTS AND METHODS This was a single-institution retrospective cohort study. We included children with acute leukemia who underwent HSCT with either MSD or MUD between 2014 and 2019. RESULTS The study included 45 patients who received MSD (n=27) or MUD (n=18) for acute leukemia. Event-free survival was not significantly different between MSD (62.3±10.7%) versus MUD (54.2±15.0%; P=0.54) at 5 years. Similarly, there was no significant difference in 5-year overall survival between MSD (71.9±9.8%) versus MUD (65.1±13.5%; P=0.38). The cumulative incidence of treatment-related mortality (P=0.31), cumulative incidence of relapse (P=0.99), and proportion with acute-graft-versus-host disease (P=0.76) and chronic-graft-versus-host disease (P=0.68) were also not significantly different. CONCLUSIONS In Argentina, we did not show significant differences in outcomes between MSD and MUD HSCT for children with high-risk leukemia. Future work should focus on strategies to reduce the relapse risk in children with high-risk leukemia in upper-middle-income countries.
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Affiliation(s)
- Sergio M Gómez
- Department Stem Cell Transplantation, Hospital de Niños Sor Maria Ludovica, La Plata, Argentina
| | - Marcela A Varela
- Department Stem Cell Transplantation, Hospital de Niños Sor Maria Ludovica, La Plata, Argentina
| | - Claudia Ruiz
- Department Stem Cell Transplantation, Hospital de Niños Sor Maria Ludovica, La Plata, Argentina
| | - Lillian Sung
- Division of Haematology/Oncology, The Hospital Sick Children, Toronto, ON, Canada
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10
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Neroutsos E, Athanasiadou I, Paisiou A, Zisaki K, Goussetis E, Archontaki H, Tsirigotis P, Kitra M, Grafakos S, Spyridonidis A, Dokoumetzidis A, Valsami G. Dose individualization of intravenous busulfan in pediatric patients undergoing bone marrow transplantation: impact and in vitro evaluation of infusion lag-time. J Pharm Pharmacol 2021; 73:1340-1350. [PMID: 34244783 DOI: 10.1093/jpp/rgab087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 05/20/2021] [Indexed: 11/12/2022]
Abstract
OBJECTIVES To apply therapeutic drug monitoring and dose-individualization of intravenous Busulfan to paediatric patients and evaluate the impact of syringe-pump induced Busulfan infusion lag-time after in vitro estimation. METHODS 76 children and adolescents were administered 2 h intravenous Busulfan infusion every 6 h (16 doses). Busulfan plasma levels, withdrawn by an optimized sampling scheme and measured by a validated HPLC-PDA method, were used to estimate basic PK parameters, AUC, Cmax, kel, t1/2, applying Non-Compartmental Analysis. In vivo infusion lag-time was simulated in vitro and used to evaluate its impact on AUC estimation. KEY FINDINGS Mean (%CV) Busulfan AUC, Cmax, clearance and t1/2 for pediatric population were found 962.3 μm × min (33.1), 0.95 mg/L (41.4), 0.27 L/h/kg (33.3), 2.2 h (27.8), respectively. TDM applied to 76 children revealed 6 (7.9%) being above and 25 (32.9%) below therapeutic-range (AUC: 900-1350 μm × min). After dose correction, all patients were measured below toxic levels (AUC < 1500 μm × min), no patient below 900 μm × min. Incorporation of infusion lag-time revealed lower AUCs with 17.1% more patients and 23.1% more younger patients, with body weight <16 kg, being below the therapeutic-range. CONCLUSIONS TDM, applied successfully to 76 children, confirmed the need for Busulfan dose-individualization in paediatric patients. Infusion lag-time was proved clinically significant for younger, low body-weight patients and those close to the lower therapeutic-range limit.
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Affiliation(s)
- E Neroutsos
- Laboratory of Biopharmaceutics & Pharmacokinetics, Department of Pharmacy, School of Health Sciences, National & Kapodistrian University of Athens, Athens, Greece
| | - I Athanasiadou
- Laboratory of Biopharmaceutics & Pharmacokinetics, Department of Pharmacy, School of Health Sciences, National & Kapodistrian University of Athens, Athens, Greece
| | - A Paisiou
- Bone Marrow Transplantation Unit, "Agia Sophia" General Children's Hospital of Athens, Athens, Greece
| | - K Zisaki
- Bone Marrow Transplantation Unit, "Agia Sophia" General Children's Hospital of Athens, Athens, Greece
| | - E Goussetis
- Bone Marrow Transplantation Unit, "Agia Sophia" General Children's Hospital of Athens, Athens, Greece
| | - H Archontaki
- Laboratory of Analytical Chemistry, Department of Chemistry, School of Sciences, National & Kapodistrian University of Athens, Athens, Greece
| | - P Tsirigotis
- Clinic of Internal Medicine, University Hospital "Attikon", Department of Medicine, School of Health Sciences, National & Kapodistrian University of Athens, Athens, Greece
| | - M Kitra
- Bone Marrow Transplantation Unit, "Agia Sophia" General Children's Hospital of Athens, Athens, Greece
| | - S Grafakos
- Bone Marrow Transplantation Unit, "Agia Sophia" General Children's Hospital of Athens, Athens, Greece
| | - A Spyridonidis
- Bone Marrow Transplant Unit, University Hospital of Patras, Department of Medicine, School of Health Sciences, University of Patras, Rio, Patras, Greece
| | - A Dokoumetzidis
- Laboratory of Biopharmaceutics & Pharmacokinetics, Department of Pharmacy, School of Health Sciences, National & Kapodistrian University of Athens, Athens, Greece
| | - G Valsami
- Laboratory of Biopharmaceutics & Pharmacokinetics, Department of Pharmacy, School of Health Sciences, National & Kapodistrian University of Athens, Athens, Greece
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11
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Fast and reliable quantification of busulfan in blood plasma using two-channel liquid chromatography tandem mass spectrometry: Validation of assay performance in the presence of drug formulation excipients. J Pharm Biomed Anal 2021; 203:114216. [PMID: 34182411 DOI: 10.1016/j.jpba.2021.114216] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/11/2021] [Accepted: 06/15/2021] [Indexed: 11/23/2022]
Abstract
A fast and reliable method based on two-channel liquid chromatography coupled to tandem mass spectrometry was developed and successfully validated for quantification of busulfan. The drug vehicle polyethylene glycol 400 was quantified simultaneously in patient samples. The sample preparation consisted of simple protein precipitation using a mixture of methanol and zinc sulphate containing busulfan-d8 as internal standard. Chromatographic separation was performed on a short biphenyl column (30 mm × 3.0 mm, 5 μm particles) using a step gradient from 30 % to 85 % methanol, ensuring co-elution of the analyte and internal standard. Quantification was performed using the mass transition of 264.1 > 151.1 for busulfan and 272.1 > 159.1 for the internal standard. Using only 20 μL of plasma sample, the lower limit of quantification was 25 ng/mL. Signal to noise ratio at the lower limit of quantification exceeded 300. The assay performance was not adversely affected by matrix effects originating from drug formulation excipients or other sample components. The coefficient of variation was ≤4 % and the mean accuracy 101-108 % across the calibration range 25-5 000 ng/mL. Chromatographic run time was 2 min and 8 s, allowing an effective run-time of 1 min and 10 s when using two alternating LC-channels. The assay has been implemented in routine practice with accreditation according to the ISO 15189 standard, and performs well in external quality control assessments. We present for the first time that shortly after an IV infusion of busulfan, the plasma levels of polyethylene glycol 400 may be in the range of 400-800 mg/L. The presence of these levels of detergent in patient samples may have detrimental effects on assay performance in LC-MS/MS, not limited to busulfan assays. This may be a concern for any LC-MS/MS analysis performed on samples collected within the first 24 h after an IV infusion of busulfan.
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12
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Dilo A, Daali Y, Desmeules J, Chalandon Y, Uppugunduri CRS, Ansari M. Comparing Dried Blood Spots and Plasma Concentrations for Busulfan Therapeutic Drug Monitoring in Children. Ther Drug Monit 2021; 42:111-117. [PMID: 31348116 DOI: 10.1097/ftd.0000000000000673] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Busulfan (Bu) is one of the conditioning regimen components for pediatric hematopoietic stem cell transplantation. Bu therapeutic drug monitoring (TDM) is essential for a successful treatment outcome and toxicity evasion. Dried blood spot (DBS) sampling is a rapid and simple method for Bu TDM, compared with conventional plasma sampling. This study evaluated the feasibility of using the DBS method for Bu TDM. The hematocrit (Hct) and conditioning day were also examined for their impact on the DBS method's performance. METHODS Venous blood collected from 6 healthy volunteers was diluted, using their plasma into 4 samples of varying Hct values. Each sample was spiked with Bu calibrators (300, 600, and 1400 ng/mL), prepared using DBS and dried plasma spot (DPS) sampling and analyzed using a validated liquid-chromatography tandem-mass spectrometry method. Clinical blood samples (n = 153) from pediatric patients (n = 15) treated with Bu (mainly from doses 1, 2, 5, and 9) were used to prepare paired volumetric DBS and DPS samples. A Bland-Altman plot and Deming regression were used to define the agreement between the paired DBS and DPS measurements. Passing-Bablok regression analyses investigated the effects of Hct and conditioning day on the linearity between both methods. RESULTS In vitro analyses showed good agreement between DBS and DPS measurements, with a mean difference of -5.4% and a 95% confidence interval on the limits of agreement of -15.3% to 4.6%. Clinical samples showed good correlation (Pearson correlation coefficient = 0.96; slope = 1.00) between the DBS and DPS methods. The DBS method met the clinical acceptance limits for clinical samples, with a bias <±20%. Bland-Altman plots showed good agreement, with only 5.8% of paired measurements exceeding the limits of agreement (±1.96 SD), although within its 95% confidence interval. Hct observations ranged from 21.7% to 34.7% and did not affect Bu concentrations measured from DBS in either the in vitro or in vivo studies. CONCLUSIONS These results show that DBS is a useful method for Bu TDM, provided samples are analyzed on the collection day. DBS sampling offers advantages over traditional plasma sampling in infants and younger children because only small volumes of blood are required.
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Affiliation(s)
- Ana Dilo
- Clinical Pharmacology and Toxicology Unit, Geneva University Hospitals, University of Geneva
| | - Youssef Daali
- Clinical Pharmacology and Toxicology Unit, Geneva University Hospitals, University of Geneva
| | - Jules Desmeules
- Clinical Pharmacology and Toxicology Unit, Geneva University Hospitals, University of Geneva
| | - Yves Chalandon
- Division of Hematology, Department of Oncology, Geneva University Hospitals
| | - Chakradhara R S Uppugunduri
- Onco-Hematology Unit, Department of Paediatrics, Gynaecology and Obstetrics, Geneva University Hospitals; and.,CANSEARCH Research Laboratory, Department of Paediatrics, Gynaecology and Obstetrics, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Marc Ansari
- Onco-Hematology Unit, Department of Paediatrics, Gynaecology and Obstetrics, Geneva University Hospitals; and.,CANSEARCH Research Laboratory, Department of Paediatrics, Gynaecology and Obstetrics, Faculty of Medicine, University of Geneva, Geneva, Switzerland
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13
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De Gregori S, Tinelli C, Manzoni F, Bartoli A. Comparison of Two Analytical Methods for Busulfan Therapeutic Drug Monitoring. Eur J Drug Metab Pharmacokinet 2020; 46:155-159. [PMID: 33231835 PMCID: PMC7811982 DOI: 10.1007/s13318-020-00660-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND OBJECTIVES Busulfan (Bu) is an old drug, but is still well recommended as an alkylating agent during conditioning therapy, before hematopoietic stem cell transplantation. Although its dose administration is standardized and based on patient weight, therapeutic drug monitoring is required in order to maintain its exposure [as area under the concentration-time curve (AUC) from 0 to infinity AUC0-∞] within a narrow therapeutic range and, if necessary, to adjust the dose with as short a lead time as possible. The aim of the study is to evaluate the agreement (as calculated AUC) between a gold standard analytical method and a new one that is faster and easier. METHODS We analyzed 221 plasma samples from 37 children (0.25-16 years; 4-62.5 kg) and 11 adults (21-59 years; 45-80 kg), corresponding to 52 AUC values (ng h/mL). The drug exposure was calculated, simultaneously, by two validated analytical methods. The reference method was a high-performance liquid chromatography (HPLC) assay combined with an ultraviolet detector (UV). The test method had a triple quadrupole mass spectrometer (MS) as detector; the clean-up procedures of the samples were different and faster. RESULTS The agreement between the two methods (reference and test) was evaluated in terms of Bu exposure differences based on Lin's concordance correlation coefficient (CCC) and represented by the Bland-Altman plot. The CCC between the AUC of the two methods was excellent (0.868; 95% CI: 0.802-0.935). The precision of the measures (expressed by Pearson's italic "r") was 0.872, and the accuracy (accounted by the bias correction factor) was 0.996. CONCLUSIONS We can conclude that the HPLC-MS/MS assay represents a very good alternative to the reference.
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Affiliation(s)
- Simona De Gregori
- Clinical and Experimental Pharmacokinetics Unit, Fondazione IRCCS Policlinico San Matteo, Viale Camillo Golgi, 19, 27100, Pavia, Italy.
| | - Carmine Tinelli
- Clinical Epidemiology and Biometry Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Federica Manzoni
- Clinical Epidemiology and Biometry Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Antonella Bartoli
- Clinical and Experimental Pharmacokinetics Unit, Fondazione IRCCS Policlinico San Matteo, Viale Camillo Golgi, 19, 27100, Pavia, Italy
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14
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Marsit H, Philippe M, Neely M, Rushing T, Bertrand Y, Ducher M, Leclerc V, Guitton J, Bleyzac N, Goutelle S. Intra-individual Pharmacokinetic Variability of Intravenous Busulfan in Hematopoietic Stem Cell-Transplanted Children. Clin Pharmacokinet 2020; 59:1049-1061. [PMID: 32157629 DOI: 10.1007/s40262-020-00877-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Busulfan therapeutic drug monitoring (TDM) is necessary to better achieve the target exposure in children before hematopoietic stem cell transplantation (HSCT). However, TDM-based dosing may be challenging if intra-individual pharmacokinetic variability (also denoted inter-occasion variability [IOV]) occurs during therapy. OBJECTIVES The objectives of this study were to describe and quantify busulfan IOV in children, and to investigate its potential determinants. METHODS We performed a new analysis of published data from children who received intravenous busulfan over 4 days before HSCT. We calculated individual pharmacokinetic parameters on each day of therapy using a published population pharmacokinetic model of busulfan and analyzed their changes. Population estimation of IOV was also performed with non-linear mixed effects (NLME) modeling. Potential predictors of significant decrease in busulfan clearance (CL) were assessed by using machine learning approaches. RESULTS IOV could be assessed in 136 children. Between day (D) 1 and D2, most patients (80%) experienced a decrease in busulfan CL, with a median change of - 7.9%. However, both large decreases (minimum, - 48.5%) and increases in CL (maximum, + 44%) were observed. Over D1-D3 of therapy, mean CL significantly decreased (- 15%), with a decrease of ≥ 20% in 22% of patients. Some patients also showed unstable CL from day to day. NLME modeling of IOV provided a coefficient of variation of 10.6% and 13.1% for volume of distribution (Vd) and CL, respectively. Some determinants of significant decreases in busulfan CL were identified, but predictive performance of the models was limited. CONCLUSIONS Significant busulfan intra-individual variability may occur in children who receive a HSCT and is hardly predictable. The main risk is busulfan overexposure. Performing TDM repeatedly over therapy appears to be the best way to accurately estimate busulfan exposure and perform precision dosing.
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Affiliation(s)
- Hanen Marsit
- Univ Lyon, Université Lyon 1, UMR CNRS 5558, Laboratoire de Biométrie et Biologie Evolutive, Villeurbanne, France.,Université de Monastir, Faculté de Pharmacie, Monastir, Tunisia
| | | | - Michael Neely
- Laboratory of Applied Pharmacokinetics and Bioinformatics, Division of Pediatric Infectious Diseases, Children's Hospital Los Angeles and the University of Southern California, Los Angeles, CA, USA
| | - Teresa Rushing
- Pharmacy Department, Children's Hospital Los Angeles and the University of Southern California, Los Angeles, CA, USA
| | - Yves Bertrand
- Institut d'Hématologie et d'Oncologie Pédiatrique, Lyon, France
| | - Michel Ducher
- Service de Pharmacie, Hospices Civils de Lyon, Groupement Hospitalier Nord, Hôpital Pierre Garraud, 136 rue du Commandant Charcot, 69005, Lyon, France.,Univ Lyon, Université Lyon 1, EMR 3738 PK/PD Modeling in Oncology and Hematology, Lyon, France
| | - Vincent Leclerc
- Service de Pharmacie, Hospices Civils de Lyon, Groupement Hospitalier Nord, Hôpital Pierre Garraud, 136 rue du Commandant Charcot, 69005, Lyon, France.,Univ Lyon, Université Lyon 1, EMR 3738 PK/PD Modeling in Oncology and Hematology, Lyon, France
| | - Jérôme Guitton
- Univ Lyon, Université Lyon 1, EMR 3738 PK/PD Modeling in Oncology and Hematology, Lyon, France.,Laboratoire de Pharmacologie et Toxicologie, Hospices Civils de Lyon, Groupement Hospitalier Sud, Lyon, France
| | - Nathalie Bleyzac
- Service de Pharmacie, Hospices Civils de Lyon, Groupement Hospitalier Nord, Hôpital Pierre Garraud, 136 rue du Commandant Charcot, 69005, Lyon, France.,Univ Lyon, Université Lyon 1, EMR 3738 PK/PD Modeling in Oncology and Hematology, Lyon, France
| | - Sylvain Goutelle
- Univ Lyon, Université Lyon 1, UMR CNRS 5558, Laboratoire de Biométrie et Biologie Evolutive, Villeurbanne, France. .,Service de Pharmacie, Hospices Civils de Lyon, Groupement Hospitalier Nord, Hôpital Pierre Garraud, 136 rue du Commandant Charcot, 69005, Lyon, France. .,Univ Lyon, Université Lyon 1, ISPB, Faculté de Pharmacie de Lyon, Lyon, France.
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15
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Parachalil DR, McIntyre J, Byrne HJ. Potential of Raman spectroscopy for the analysis of plasma/serum in the liquid state: recent advances. Anal Bioanal Chem 2020; 412:1993-2007. [DOI: 10.1007/s00216-019-02349-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 10/17/2019] [Accepted: 12/11/2019] [Indexed: 12/18/2022]
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16
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Limited Sampling Strategies Supporting Individualized Dose Adjustment of Intravenous Busulfan in Children and Young Adults. Ther Drug Monit 2019; 42:427-434. [PMID: 31479045 DOI: 10.1097/ftd.0000000000000700] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Therapeutic drug monitoring (TDM) for busulfan supports dose adjustment during conditioning for stem cell transplantation. The authors aimed to develop and validate limited sampling strategies (LSS) of 4-5 samples for a precise estimation of the area under concentration (AUC)-time curve of busulfan, in plasma as an alternative to an intensive sampling strategy (ISS) requiring 9-10 samples. METHODS ISS TDM data from 297 patients (≤18 years of age) were used. AUCLSS was calculated using the trapezoidal rule and multiple linear regression (MLR). Unlike more complex modeling methods, MLR does not require sophisticated software or advanced training of personnel. MLR coefficients were estimated in the development subset containing randomly selected 50% of the records and were then used to calculate the AUCLSS of the remaining records (the validation subset). The agreement between dose adjustment recommendations (DAR) based on ISS and LSS, in the validation subset, was evaluated by a Bland-Altman analysis. A DAR deviating from an ISS-based reference by <15% was deemed acceptable. RESULTS Twelve LSSs were acceptable. Sampling at 0, 120, 180, and 240 minutes after the start of the second infusion (LSS15) yielded the best performance, with DAR deviating from the reference by <10% for 95% of cases; the AUCLSS was determined as follows: AUCLSS = 74.7954 × C(0) + 81.8948 × C(120) + 38.1771 × C(180) + 138.1404 × C(240) + 54.1837. This LSS and LSS13 performed similarly well in an independent external validation. CONCLUSIONS MLR-based estimates of AUCLSS provide DARs that deviate minimally from the reference. LSSs allow the reduction of patient discomfort, a ∼50% reduction of TDM-related workload for nursing staff and blood loss and a ∼25% reduction in laboratory workload. These benefits may encourage wider use of busulfan TDM, supporting safe and efficacious personalized dosing.
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17
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Parachalil DR, Commerford D, Bonnier F, Chourpa I, McIntyre J, Byrne HJ. Raman spectroscopy as a potential tool for label free therapeutic drug monitoring in human serum: the case of busulfan and methotrexate. Analyst 2019; 144:5207-5214. [DOI: 10.1039/c9an00801b] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A methodology is proposed, based on Raman spectroscopy coupled with multivariate analysis, to determine the Limit of Detection (LOD) and Limit of Quantification (LOQ) for therapeutic drug monitoring in human serum, using the examples of Busulfan and Methotrexate.
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Affiliation(s)
- Drishya Rajan Parachalil
- FOCAS Research Institute
- Technological University of Dublin
- Dublin 8
- Ireland
- School of Physics and Optometric & Clinical Sciences
| | - Deirdre Commerford
- School of Physics and Optometric & Clinical Sciences
- Technological University of Dublin
- Dublin 8
- Ireland
| | - Franck Bonnier
- Université de Tours
- UFR sciences pharmaceutiques
- EA 6295 Nanomédicaments et Nanosondes
- 37200 Tours
- France
| | - Igor Chourpa
- Université de Tours
- UFR sciences pharmaceutiques
- EA 6295 Nanomédicaments et Nanosondes
- 37200 Tours
- France
| | - Jennifer McIntyre
- FOCAS Research Institute
- Technological University of Dublin
- Dublin 8
- Ireland
| | - Hugh J. Byrne
- FOCAS Research Institute
- Technological University of Dublin
- Dublin 8
- Ireland
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18
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Therapeutic Drug Monitoring of Busulfan for the Management of Pediatric Patients: Cross-Validation of Methods and Long-Term Performance: Erratum. Ther Drug Monit 2018. [DOI: 10.1097/ftd.0000000000000489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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