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Avenoso D, Mehra V, Slonim LB, de Farias M, Alshehri H, Bouziana S, Krishnamurthy P, Kulasekararaj A, Dazzi F, Wood H, Kenyon M, Leung YT, Anteh S, Shah MN, Hannah G, Serpenti F, Gameil A, Bourlon C, Dragoi OD, Pagliuca A, Potter V. Myeloablative Dose of Busulfan and Fludarabine Combined with In Vivo T Cell Depletion Is Safe and Effective Conditioning for Acute Myeloid Leukemia and Myelodysplastic Syndrome Patients. Transplant Cell Ther 2023; 29:698.e1-698.e6. [PMID: 37579918 DOI: 10.1016/j.jtct.2023.08.012] [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: 04/10/2023] [Revised: 07/27/2023] [Accepted: 08/08/2023] [Indexed: 08/16/2023]
Abstract
Allogeneic hematopoietic stem cell transplantation (HSCT) is a curative strategy for acute myeloid leukemia (AML) and myelodysplastic syndromes (MDS). The prediction of transplantation-related mortality (TRM) using the Hematopoietic Cell Transplantation Comorbidity Index (HCT-CI) score and an arbitrary upper age limit of 55 years for administering myeloablative conditioning (MAC) are common strategies to ensure a safe procedure. The use of reduced-toxicity conditioning regimens is an additional approach to providing safe and effective myeloablation. Herein we report the outcome of AML and MDS patients conditioned with fludarabine and a myeloablative dose of busulfan (FB4) stratified by age and HCT-CI score. The primary objective was overall survival (OS) for patients age ≥55 years. Secondary objectives were total OS, TRM, graft-versus-host disease (GVHD), and GVHD, relapse-free survival (GRFS). The 2 year OS was 72% in patients age <55 and 51% in patients age ≥55. In patients age ≥55 with an HCT-CI <2, the estimated 2 year OS was 64%, with median OS not reached. In those with HCT-CI ≥2, the 2-year OS was 43%, with a median OS of 14 months. The total cumulative incidence of relapse was 30% regardless of age or HCT-CI score. FB4 conditioning regimen offers a high rate of prolonged remission with a relapse rate similar to that reported in previous studies. These positive outcomes suggest that this conditioning platform can be offered to patients age ≥55 years in the absence of comorbidities, and that age should not be the sole determinant of conditioning intensity.
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Affiliation(s)
- Daniele Avenoso
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom.
| | - Varun Mehra
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Liron Barnea Slonim
- King's College Hospital NHS Foundation Trust, Department of Histopathology, Denmark Hill, London, United Kingdom
| | - Madson de Farias
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Hassan Alshehri
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Styliani Bouziana
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Pramila Krishnamurthy
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Austin Kulasekararaj
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Francesco Dazzi
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Henry Wood
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Michelle Kenyon
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Ye Ting Leung
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Sandra Anteh
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Mili Naresh Shah
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Guy Hannah
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Fabio Serpenti
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Amna Gameil
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Christianne Bourlon
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Oana Diana Dragoi
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Antonio Pagliuca
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
| | - Victoria Potter
- King's College Hospital NHS Foundation Trust, Department of Haematological Medicine, Denmark Hill, London, United Kingdom
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Ben Hassine K, Powys M, Svec P, Pozdechova M, Versluys B, Ansari M, Shaw PJ. Total Body Irradiation Forever? Optimising Chemotherapeutic Options for Irradiation-Free Conditioning for Paediatric Acute Lymphoblastic Leukaemia. Front Pediatr 2021; 9:775485. [PMID: 34956984 PMCID: PMC8705537 DOI: 10.3389/fped.2021.775485] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 10/21/2021] [Indexed: 12/15/2022] Open
Abstract
Total-body irradiation (TBI) based conditioning prior to allogeneic hematopoietic stem cell transplantation (HSCT) is generally regarded as the gold-standard for children >4 years of age with acute lymphoblastic leukaemia (ALL). Retrospective studies in the 1990's suggested better survival with irradiation, confirmed in a small randomised, prospective study in the early 2000's. Most recently, this was reconfirmed by the early results of the large, randomised, international, phase III FORUM study published in 2020. But we know survivors will suffer a multitude of long-term sequelae after TBI, including second malignancies, neurocognitive, endocrine and cardiometabolic effects. The drive to avoid TBI directs us to continue optimising irradiation-free, myeloablative conditioning. In chemotherapy-based conditioning, the dominant myeloablative effect is provided by the alkylating agents, most commonly busulfan or treosulfan. Busulfan with cyclophosphamide is a long-established alternative to TBI-based conditioning in ALL patients. Substituting fludarabine for cyclophosphamide reduces toxicity, but may not be as effective, prompting the addition of a third agent, such as thiotepa, melphalan, and now clofarabine. For busulfan, it's wide pharmacokinetic (PK) variability and narrow therapeutic window is well-known, with widespread use of therapeutic drug monitoring (TDM) to individualise dosing and control the cumulative busulfan exposure. The development of first-dose selection algorithms has helped achieve early, accurate busulfan levels within the targeted therapeutic window. In the future, predictive genetic variants, associated with differing busulfan exposures and toxicities, could be employed to further tailor individualised busulfan-based conditioning for ALL patients. Treosulfan-based conditioning leads to comparable outcomes to busulfan-based conditioning in paediatric ALL, without the need for TDM to date. Future PK evaluation and modelling may optimise therapy and improve outcome. More recently, the addition of clofarabine to busulfan/fludarabine has shown encouraging results when compared to TBI-based regimens. The combination shows activity in ALL as well as AML and deserves further evaluation. Like busulfan, optimization of chemotherapy conditioning may be enhanced by understanding not just the PK of clofarabine, fludarabine, treosulfan and other agents, but also the pharmacodynamics and pharmacogenetics, ideally in the context of a single disease such as ALL.
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Affiliation(s)
- Khalil Ben Hassine
- Cansearch Research Platform for Pediatric Oncology and Hematology, Department of Pediatrics, Gynecology and Obstetrics, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Madeleine Powys
- Blood Transplant and Cell Therapies, Children's Hospital at Westmead, Sydney, NSW, Australia
| | - Peter Svec
- Department of Pediatric Hematology and Oncology, Comenius University, Bratislava, Slovakia.,Bone Marrow Transplantation Unit, National Institute of Children's Diseases, Bratislava, Slovakia
| | - Miroslava Pozdechova
- Department of Pediatric Hematology and Oncology, Comenius University, Bratislava, Slovakia.,Bone Marrow Transplantation Unit, National Institute of Children's Diseases, Bratislava, Slovakia
| | | | - Marc Ansari
- Cansearch Research Platform for Pediatric Oncology and Hematology, Department of Pediatrics, Gynecology and Obstetrics, Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Division of Pediatric Oncology and Hematology, Department of Women, Child and Adolescent, University Geneva Hospitals, Geneva, Switzerland
| | - Peter J Shaw
- Blood Transplant and Cell Therapies, Children's Hospital at Westmead, Sydney, NSW, Australia.,Speciality of Child and Adolescent Health, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
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3
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Review of the Pharmacokinetics and Pharmacodynamics of Intravenous Busulfan in Paediatric Patients. Clin Pharmacokinet 2020; 60:17-51. [PMID: 33128207 DOI: 10.1007/s40262-020-00947-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/01/2020] [Indexed: 12/13/2022]
Abstract
We aimed to review the pharmacokinetics (PK) of intravenous busulfan in paediatric patients, identify covariate factors influencing exposure, investigate evidence of changes in PK behaviour over time, and correlate exposure with efficacy and toxicity outcomes. A literature review was undertaken of original research published between 2007 and 2019, investigating the PK and pharmacodynamics (PD) of intravenous busulfan in patients ≤ 18 years of age. The review identified 41 publications characterising the PK, and 45 publications describing the PD, of busulfan. Median typical clearance (CL) was 0.22 L/h/kg and median typical volume of distribution was 0.69 L/kg. Patient weight, age, glutathione-S-transferase A1 (GSTA1) genotype and busulfan dosing day/time were the most commonly identified factors affecting CL. Of nine studies investigating changes in CL, seven reported reduced CL over the 4-day course of treatment. Exposure monitoring methods and therapeutic targets were heterogeneous across studies. Relationships between busulfan exposure and patient outcomes were observed in five studies. One study observed a cumulative area under the concentration-time curve over all days of treatment of between 78 and 101 mg/L·h, and two studies observed an average concentration at first dose of < 600 ng/mL improved overall survival, transplant-related mortality, or relapse. One study observed increased sinusoidal obstructive syndrome with maximum busulfan concentration > 1.88 ng/mL. Patient weight, age and GSTA1 genotype are important covariates to consider when individualising busulfan therapy. Reduced busulfan CL over time may need to be accounted for, particularly in patients not receiving phenytoin co-therapy. Standardised monitoring of busulfan exposure over the entire course of treatment and further investigation of the role of busulfan metabolites and pharmacogenomics is warranted.
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Mustafa M, Qatawneh M, Al Jazazi M, Jarrah O, Al Hazaimeh R, Oudat R, Al Tarawneh M, Al Majali R. Hematopoietic Stem Cell Transplantation in Thalassemia Patients: a Jordanian Single Centre Experience. Mater Sociomed 2020; 32:277-282. [PMID: 33628130 PMCID: PMC7879431 DOI: 10.5455/msm.2020.32.277-282] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Introduction: Beta thalassemia major is the commonest inherited hematological disorder worldwide which needs lifelong sufficient supportive management. Hematopoietic stem Cell transplantation (HSCT) is the only curative treatment available till now. Aim: To evaluate the outcome of children who underwent allogenic hematopoietic stem Cell transplantation as a curative approach for Thalassemia Major, treated at Queen Rania AL- Abdullah children Hospital (QRCH) Methods: A retrospective review of the medical files was conducted for all children (< 15 years) who had thalassemia major and received HSCT between January, 2010 and January, 2019. The following variables were studied for all patients: age , gender, Pesaro classifications, the count of infused raw bone marrow stem cell (CD34), engraftment time, outcome and complications. Results: A total of 34 children were transplanted for thalassemia major, at an average of 4 cases per year. All underwent allogenic raw bone marrow transplantation from matched related donors. Thirteen patients (38.2%) were males and twenty one (61.2%) were females. The age ranged between 2 and 15 years, with a median age of 6.5 years. According to Pesaro classification, 31 patients were class 2 (91.2%) and 3 patients were class 3 (8.8%) while no single case met the criteria for class 1 Pesaro classification. The median CD34 count was 3.5 million/Kg of recipient weight (range, 1.5*106-7*106 /kg). The median time for neutrophil engraftment was 15.5 days. At a median follow up of 5 years (range 1- 9.5), 33 patients were alive. One patient died before 100 days post transplantation due to grade IV acute gastrointestinal Graft Versus Host Disease (GVHD). Three patients had secondary graft failure (8.8%). Six patients (17.5 %) developed mild grade 1-2 skin GVHD while another patient developed hemorrhagic cystitis due to BK virus and cytomegalovirus (CMV) which reactivated simultaneously, and was successfully managed. Conclusion: The outlook for Thalassemia major has dramatically changed after HSCT, with a considerable success in Jordan and results comparable to international data.
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Affiliation(s)
- Maher Mustafa
- Department of Pediatric Hematology and Medical Oncology, Queen Rania Children Hospital, Royal Medical Services, Amman, Jordan
| | - Mousa Qatawneh
- Department of Pediatric Hematology and Medical Oncology, Queen Rania Children Hospital, Royal Medical Services, Amman, Jordan
| | - Mais Al Jazazi
- Department of Pediatric Hematology and Medical Oncology, Queen Rania Children Hospital, Royal Medical Services, Amman, Jordan
| | - Omaiema Jarrah
- Department of Pediatric Hematology and Medical Oncology, Queen Rania Children Hospital, Royal Medical Services, Amman, Jordan
| | - Ruba Al Hazaimeh
- Department of Pediatric Hematology and Medical Oncology, Queen Rania Children Hospital, Royal Medical Services, Amman, Jordan
| | - Raida Oudat
- Department of Hematopathology. Princess Iman Research and Laboratory Sciences Centre, Royal Medical Services, Amman, Jordan
| | - Moath Al Tarawneh
- Department of Pediatric Hematology and Medical Oncology, Queen Rania Children Hospital, Royal Medical Services, Amman, Jordan
| | - Rami Al Majali
- Department of Pediatric Hematology and Medical Oncology, Queen Rania Children Hospital, Royal Medical Services, Amman, Jordan
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Corbacioglu S, Jabbour EJ, Mohty M. Risk Factors for Development of and Progression of Hepatic Veno-Occlusive Disease/Sinusoidal Obstruction Syndrome. Biol Blood Marrow Transplant 2019; 25:1271-1280. [DOI: 10.1016/j.bbmt.2019.02.018] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 02/18/2019] [Indexed: 12/17/2022]
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McCune JS, Wang T, Bo-Subait K, Aljurf M, Beitinjaneh A, Bubalo J, Cahn JY, Cerny J, Chhabra S, Cumpston A, Dupuis LL, Lazarus HM, Marks DI, Maziarz RT, Norkin M, Prestidge T, Mineishi S, Krem MM, Pasquini M, Martin PJ. Association of Antiepileptic Medications with Outcomes after Allogeneic Hematopoietic Cell Transplantation with Busulfan/Cyclophosphamide Conditioning. Biol Blood Marrow Transplant 2019; 25:1424-1431. [PMID: 30871976 PMCID: PMC6615968 DOI: 10.1016/j.bbmt.2019.03.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 03/03/2019] [Indexed: 01/07/2023]
Abstract
High-dose busulfan (BU) followed by high-dose cyclophosphamide (CY) before allogeneic hematopoietic cell transplantation (HCT) has long been used as treatment for hematologic malignancies. Administration of phenytoin or newer alternative antiepileptic medications (AEMs) prevents seizures caused by BU. Phenytoin induces enzymes that increase exposure to active CY metabolites in vivo, whereas alternative AEMs do not have this effect. Lower exposure to active CY metabolites with the use of alternative AEMs could decrease the risk of toxicity but might increase the risk of recurrent malignancy after HCT. Previous studies have not determined whether outcomes with alternative AEMs differ from those with phenytoin in patients treated with BU/CY before allogeneic HCT. We studied a cohort of 2155 patients, including 1460 treated with phenytoin and 695 treated with alternative AEMs, who received BU/CY before allogeneic HCT between 2004 and 2014. We found no differences suggesting decreased overall survival or relapse-free survival or increased risks of relapse, nonrelapse mortality, acute or chronic graft-versus-host disease, or regimen-related toxicity associated with the use of alternative AEMs compared with phenytoin. The risk of dialysis was lower in the alternative AEM group than in the phenytoin group. Alternative AEMs are safe for prevention of seizures after BU administration and can avoid the undesirable toxicities and drug interactions caused by phenytoin.
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Affiliation(s)
- Jeannine S McCune
- Clinical Research Division, Fred Hutchinson Cancer Research Center and Department of Medicine, University of Washington, Seattle, WA, USA; Department of Population Sciences, City of Hope, Duarte, CA, USA.
| | - Tao Wang
- Division of Biostatistics, Institute for Health and Society, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Khalid Bo-Subait
- CIBMTR (Center for International Blood and Marrow Transplant Research), Department of Medicine, Medical College of Wisconsin, Milwaukee, WI
| | - Mahmoud Aljurf
- Adult HSCT Program, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Amer Beitinjaneh
- Department of Medicine, University of Miami/Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | - Joseph Bubalo
- Department of Medicine, Oregon Health and Science University Hospital, Portland, OR, USA
| | - Jean-Yves Cahn
- Department of Medicine, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
| | - Jan Cerny
- Department of Medicine, University of Massachusetts Memorial Medical Center, Worcester, MA, USA
| | - Saurabh Chhabra
- Department of Hematology/Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - Aaron Cumpston
- Division of Oncology, West Virginia University Hospitals, Morgantown, WV, USA
| | - L Lee Dupuis
- The Hospital for Sick Children and Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Canada
| | - Hillard M Lazarus
- Department of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - David I Marks
- Bristol Haematology and Oncology Centre, University Hospitals Bristol NHS Foundation Trust, Bristol, UK
| | - Richard T Maziarz
- Department of Medicine, Oregon Health and Science University Hospital, Portland, OR, USA
| | - Maxim Norkin
- Department of Medicine, University of Florida College of Medicine, Gainesville, FL, USA
| | - Tim Prestidge
- Blood and Cancer Centre, Starship Child Health, Central Auckland, New Zealand
| | - Shin Mineishi
- Department of Medicine, Penn State Hershey Medical Center, Hershey, PA, USA
| | - Maxwell M Krem
- Department of Internal Medicine, University of Kentucky College of Medicine, Lexington, KY, USA
| | - Marcelo Pasquini
- CIBMTR (Center for International Blood and Marrow Transplant Research), Department of Medicine, Medical College of Wisconsin, Milwaukee, WI
| | - Paul J Martin
- Clinical Research Division, Fred Hutchinson Cancer Research Center and Department of Medicine, University of Washington, Seattle, WA, USA
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Ramprakash S, Agarwal R, Dhanya R, Marwah P, Soni R, Yaqub N, Fatima I, Zhara T, Gooneratne L, Williams S, Khalid S, Sen S, Kanwar V, Faulkner L. Low-cost matched sibling bone marrow transplant for standard-risk thalassemia in a limited-resource setting. PEDIATRIC HEMATOLOGY ONCOLOGY JOURNAL 2017. [DOI: 10.1016/j.phoj.2017.12.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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Bansal D, Totadri S, Chinnaswamy G, Agarwala S, Vora T, Arora B, Prasad M, Kapoor G, Radhakrishnan V, Laskar S, Kaur T, Rath GK, Bakhshi S. Management of Neuroblastoma: ICMR Consensus Document. Indian J Pediatr 2017; 84:446-455. [PMID: 28367616 DOI: 10.1007/s12098-017-2298-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2016] [Accepted: 01/20/2017] [Indexed: 12/21/2022]
Abstract
Neuroblastoma (NBL) is the most common extra-cranial solid tumor in childhood. High-risk NBL is considered challenging and has one of the least favourable outcomes amongst pediatric cancers. Primary tumor can arise anywhere along the sympathetic chain. Advanced disease at presentation is common. Diagnosis is established by tumor biopsy and elevated urinary catecholamines. Staging is performed using bone marrow and mIBG scan (FDG-PET/bone scan if mIBG unavailable or non-avid). Age, stage, histopathological grading, MYCN amplification and 11q aberration are important prognostic factors utilized in risk stratification. Low-risk disease including Stage 1 and asymptomatic Stage 2 disease has an excellent prognosis with non-mutilating surgery alone. Perinatal adrenal neuroblastoma may be managed with close observation alone. Intermediate-risk disease consisting largely of unresectable/symptomatic Stage 2/3 disease and infants with Stage 4 disease has good outcome with few cycles of chemotherapy followed by surgical resection. Paraspinal neuroblastomas with cord compression are treated emergently, typically with upfront chemotherapy. Asymptomatic Stage 4S disease may be followed closely without treatment. Organ dysfunction and age below 3 mo would warrant chemotherapy in 4S. High-risk disease includes older children with Stage 4 disease and MYCN amplified tumors. High-risk disease has a suboptimal outcome, though the survival is improving with multimodality therapy including autologous stem cell transplant and immunotherapy. Relapse after multimodality therapy is difficult to salvage. Late presentation, lack of transplant facility, malnutrition and treatment abandonment are additional hurdles for survival in India. The review provides a consensus document on management of NBL for developing countries, including India.
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Affiliation(s)
- Deepak Bansal
- Pediatric Hematology Oncology Unit, Department of Pediatrics, Advanced Pediatric Center, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India.
| | - Sidharth Totadri
- Pediatric Hematology Oncology Unit, Department of Pediatrics, Advanced Pediatric Center, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Girish Chinnaswamy
- Department of Pediatric Oncology, Tata Memorial Hospital, Parel, Mumbai, India
| | - Sandeep Agarwala
- Department of Pediatric Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Tushar Vora
- Department of Pediatric Oncology, Tata Memorial Hospital, Parel, Mumbai, India
| | - Brijesh Arora
- Department of Pediatric Oncology, Tata Memorial Hospital, Parel, Mumbai, India
| | - Maya Prasad
- Department of Pediatric Oncology, Tata Memorial Hospital, Parel, Mumbai, India
| | - Gauri Kapoor
- Department of Pediatric Hematology & Oncology, Rajiv Gandhi Cancer Institute and Research Center, Delhi, India
| | - Venkatraman Radhakrishnan
- Department of Medical Oncology and Pediatric Oncology, Cancer Institute (W.I.A), Adyar, Chennai, India
| | - Siddharth Laskar
- Department of Radiation Oncology, Tata Memorial Hospital, Parel, Mumbai, India
| | - Tanvir Kaur
- NCD Division, Indian Council of Medical Research (ICMR), New Delhi, India
| | - G K Rath
- Dr. B.R.A Institute-Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Sameer Bakhshi
- Department of Medical Oncology, Dr. B.R.A Institute-Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
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Chen Y, Huang XJ, Liu KY, Chen H, Chen YH, Zhang XH, Wang Y, Wang FR, Han W, Wang JZ, Yan CH, Xu LP. Association between C-reactive protein levels in the first 1-3 days post-transplant and allogeneic immune reactions. Biomark Med 2017; 11:117-124. [PMID: 28111964 DOI: 10.2217/bmm-2016-0244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
AIM The purpose of this study was to determine whether C-reactive protein (CRP) in the first 1-3 days post-transplant could predict allogeneic immune reactions, including engraftment syndrome or acute graft-versus-host disease (GVHD), in pediatric haploidentical stem cell transplantation. PATIENTS & METHODS The study population comprised 175 consecutive pediatric patients. Receiver operating characteristic analysis was performed to identify the cut-off CRP value. RESULTS The high-CRP group (≥20.1 mg/l) was associated with an increased occurrence of engraftment syndrome (hazard ratio [HR] = 2.046; p = 0.008), II-IV acute GVHD (HR = 2.203; p = 0.001) and severe GVHD (HR = 6.371; p = 0.004). CONCLUSION Our data suggest that higher CRP during the first 1-3 days post-transplant could be a predictor of allogeneic immune reactions.
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Affiliation(s)
- Yao Chen
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
| | - Xiao-Jun Huang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
| | - Kai-Yan Liu
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
| | - Huan Chen
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
| | - Yu-Hong Chen
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
| | - Xiao-Hui Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
| | - Yu Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
| | - Feng-Rong Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
| | - Wei Han
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
| | - Jing-Zhi Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
| | - Chen-Hua Yan
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
| | - Lan-Ping Xu
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, 11 Xizhimen South Street, Beijing 100044, PR China
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Palmer J, McCune JS, Perales MA, Marks D, Bubalo J, Mohty M, Wingard JR, Paci A, Hassan M, Bredeson C, Pidala J, Shah N, Shaughnessy P, Majhail N, Schriber J, Savani BN, Carpenter PA. Personalizing Busulfan-Based Conditioning: Considerations from the American Society for Blood and Marrow Transplantation Practice Guidelines Committee. Biol Blood Marrow Transplant 2016; 22:1915-1925. [PMID: 27481448 DOI: 10.1016/j.bbmt.2016.07.013] [Citation(s) in RCA: 107] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Accepted: 07/21/2016] [Indexed: 12/12/2022]
Abstract
The Practice Guidelines Committee of the American Society of Blood or Marrow Transplantation (ASBMT) sought to develop an evidence-based review about personalizing busulfan-based conditioning. The Committee sought to grade the relevant published studies (June 1, 2008 through March 31, 2016) according to criteria set forth by the Steering Committee for Evidence Based Reviews from ASBMT. Unfortunately, the published literature was too heterogeneous and lacked adequately powered and sufficiently controlled studies for this to be feasible. Despite this observation, the continued interest in this topic led the Practice Guidelines Committee to develop a list of most frequently asked questions (FAQs) regarding personalized busulfan dosing. This "Considerations" document is a list of these FAQs and their responses, addressing topics of practical relevance to hematopoietic cell transplantation clinicians.
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Affiliation(s)
- Jeanne Palmer
- Division of Hematology/Oncology, Mayo Clinic, Phoenix, Arizona.
| | - Jeannine S McCune
- Department of Pharmacology University of Washington, Fred Hutchinson Cancer Research Center, Seattle, Washington.
| | - Miguel-Angel Perales
- Division of Hematology/Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - David Marks
- Pediatric Bone Marrow Transplant, University Hospitals Bristol NHS Trust, Bristol Royal Infirmary, Bristol, United Kingdom
| | - Joseph Bubalo
- Department of Pharmacy Practice, Oregon Health Sciences University, Portland, Oregon
| | - Mohamad Mohty
- Department of Hematology, Hospital Saint-Antoine, University UPMC, Paris, France
| | - John R Wingard
- Division of Hematology/Oncology, University of Florida, Gainesville, Florida
| | - Angelo Paci
- Pharmacology and Drug Analysis Department, Institut de Cancerologie Gustav Roussy, Villejuif, France
| | - Moustapha Hassan
- Department of Clinical Research Centre, Karolinska Institutet, Stockholm, Sweden
| | - Christopher Bredeson
- Hematology, Department of Medicine, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Joseph Pidala
- Department of Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Nina Shah
- Department of Stem Cell Transplantation and Cellular Therapy, MD Anderson Cancer Center, Houston, Texas
| | - Paul Shaughnessy
- Adult Blood and Marrow Transplant, Texas Transplant Physician's Group, San Antonio, Texas
| | - Navneet Majhail
- Department of Hematology and Medical Oncology, Cleveland Clinic, Cleveland, Ohio
| | - Jeff Schriber
- Cancer Transplant Institute, Honor Health, Scottsdale, Arizona
| | - Bipin N Savani
- Division of Hematology/Oncology, Vanderbuilt-Ingram Cancer Center, Nashville, Tennessee
| | - Paul A Carpenter
- Department of Pediatrics, Fred Hutchinson Cancer Research Center, University of Washington, Seattle, Washington
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11
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Boztug H, Sykora KW, Slatter M, Zecca M, Veys P, Lankester A, Cant A, Skinner R, Wachowiak J, Glogova E, Pötschger U, Peters C. European Society for Blood and Marrow Transplantation Analysis of Treosulfan Conditioning Before Hematopoietic Stem Cell Transplantation in Children and Adolescents With Hematological Malignancies. Pediatr Blood Cancer 2016; 63:139-48. [PMID: 26398915 DOI: 10.1002/pbc.25764] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Accepted: 08/08/2015] [Indexed: 01/09/2023]
Abstract
BACKGROUND Standard myeloablative conditioning regimens for children with hematological malignancies undergoing allogeneic HSCT are based mainly on total body irradiation or busulfan. Their serious short- and long-term side effects warranted the exploration of less toxic alternatives. Treosulfan is increasingly used for adults and children before HSCT due to its potent immunosuppressive and cytotoxic effects combined with low organ toxicity. PROCEDURE To further investigate the role of treosulfan conditioning in children, the EBMT Pediatric diseases working party performed a retrospective analysis of 193 children with hematological malignancies (ALL n = 71, AML n = 47, MDS/MPS n = 40, other leukemia/lymphoma n = 25) undergoing allogeneic HSCT following treosulfan between January 2005 and July 2010. RESULTS Early regimen-related toxicity was low and mainly gastrointestinal. Veno-occlusive disease and neurological toxicity were rare. There was no association of toxicity with type of disease or treosulfan dose. High-grade early toxicity was not higher in infants or patients undergoing second or later transplantation. Treatment related mortality was low at 14%. Three-year event-free survival was 45 ± 4% and not significantly influenced by number of transplants, however it appeared to be significantly better for infants (P = 0.022). When compared to treosulfan plus fludarabine, the combination of treosulfan, fludarabine and an alkylator (either thiotepa or melphalan) resulted in significantly better overall survival (OS, P = 0.048) and a trend toward better EFS. CONCLUSIONS Treosulfan based conditioning is a safe and effective approach for children with hematological malignancies, including and importantly for infants and those patients undergoing second or later transplantation.
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Affiliation(s)
- Heidrun Boztug
- St. Anna Kinderspital and Childrens Cancer Research Institute, Department of Pediatrics, Medical University of Vienna, Vienna, Austria
| | - Karl-Walter Sykora
- Department of Pediatric Hematology/Oncology, Hannover Medical School, Hannover, Germany
| | - Mary Slatter
- Children's HSCT Unit, Great North Children's Hospital, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom
| | - Marco Zecca
- Pediatric Hematology/Oncology, Fondazione IRCCS, Policlinico San Matteo, Pavia, Italy
| | - Paul Veys
- Great Ormond Street Hospital for Children National Health Service Trust, London, United Kingdom
| | - Arjan Lankester
- Department of Pediatrics, Leiden University Medical Center, Leiden, The Netherlands
| | - Andrew Cant
- Children's HSCT Unit, Great North Children's Hospital, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom
| | - Roderick Skinner
- Children's HSCT Unit, Great North Children's Hospital, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom
| | - Jacek Wachowiak
- Department of Pediatric Hematology, Oncology, and Hematopoietic Stem Cell Transplantation, University of Medical Sciences, Poznań, Poland
| | - Evgenia Glogova
- St. Anna Kinderspital and Childrens Cancer Research Institute, Department of Pediatrics, Medical University of Vienna, Vienna, Austria
| | - Ulrike Pötschger
- St. Anna Kinderspital and Childrens Cancer Research Institute, Department of Pediatrics, Medical University of Vienna, Vienna, Austria
| | - Christina Peters
- St. Anna Kinderspital and Childrens Cancer Research Institute, Department of Pediatrics, Medical University of Vienna, Vienna, Austria
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12
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Comparison of Outcomes for Pediatric Patients With Acute Myeloid Leukemia in Remission and Undergoing Allogeneic Hematopoietic Cell Transplantation With Myeloablative Conditioning Regimens Based on Either Intravenous Busulfan or Total Body Irradiation: A Report From the Japanese Society for Hematopoietic Cell Transplantation. Biol Blood Marrow Transplant 2015; 21:2141-2147. [DOI: 10.1016/j.bbmt.2015.08.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2015] [Accepted: 08/06/2015] [Indexed: 12/23/2022]
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13
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Lombardi LR, Kanakry CG, Zahurak M, Durakovic N, Bolaños-Meade J, Kasamon YL, Gladstone DE, Matsui W, Borrello I, Huff CA, Swinnen LJ, Brodsky RA, Ambinder RF, Fuchs EJ, Rosner GL, Jones RJ, Luznik L. Therapeutic drug monitoring for either oral or intravenous busulfan when combined with pre- and post-transplantation cyclophosphamide. Leuk Lymphoma 2015; 57:666-75. [PMID: 26292764 DOI: 10.3109/10428194.2015.1071488] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Busulfan (Bu)/cyclophosphamide (Cy) is a standard conditioning platform for allogeneic transplantation. We developed a strategy separating the Cy into two pre/post-transplantation doses (PTCy), providing myeloablative conditioning and single-agent graft-versus-host disease (GVHD) prophylaxis. We investigated the impact of Bu route on treatment-related toxicity for 131 consecutive adult patients. Busulfan was administered in four daily divided doses either orally (n = 72) or intravenously (n = 59) with pharmacokinetics on the first-dose and as necessary on subsequent doses to achieve a target area-under-the-concentration-curve (AUC) of 800-1400 μmol*min/L per dose. BuCy/PTCy with pharmacokinetics is well-tolerated with low treatment-related toxicity. Hepatic veno-occlusive disease incidence was 6% with two fatal events. Bu administration route in the context of BuCy/PTCy did not statistically impact hepatotoxicity, GVHD, relapse, disease-free survival, or overall survival. The BuCy/PTCy platform has a low incidence of treatment-related toxicity, including hepatotoxicity, in hematologic malignancies when using pharmacokinetics for a target AUC of 800-1400 μmol*min/L, irrespective of Bu administration route.
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Affiliation(s)
- Lindsey R Lombardi
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Christopher G Kanakry
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Marianna Zahurak
- b Biostatistics & Bioinformatics, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA
| | - Nadira Durakovic
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Javier Bolaños-Meade
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Yvette L Kasamon
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Douglas E Gladstone
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - William Matsui
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Ivan Borrello
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Carol Ann Huff
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Lode J Swinnen
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Robert A Brodsky
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Richard F Ambinder
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Ephraim J Fuchs
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Gary L Rosner
- b Biostatistics & Bioinformatics, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA
| | - Richard J Jones
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
| | - Leo Luznik
- a Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University , Baltimore , MD , USA and
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14
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Kato M, Ishida H, Koh K, Inagaki J, Kato K, Goto H, Kaneko T, Cho Y, Hashii Y, Kurosawa H, Takita J, Hamamoto K, Inoue M, Sawada A, Suzuki R, Kato K. Comparison of chemotherapeutic agents as a myeloablative conditioning with total body irradiation for pediatric acute lymphoblastic leukemia: A study from the pediatric ALL working group of the Japan Society for Hematopoietic Cell Transplantation. Pediatr Blood Cancer 2015; 62:1844-50. [PMID: 26053959 DOI: 10.1002/pbc.25602] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Accepted: 04/20/2015] [Indexed: 11/05/2022]
Abstract
BACKGROUND As a partner of total body irradiation (TBI) in hematopoietic stem cell transplantation (HSCT) for pediatric acute lymphoblastic leukemia (ALL), various cytotoxic agents are used, but the optimal combination is still unclear. PROCEDURE We retrospectively analyzed 767 children who received TBI-based myeloablative allogeneic HSCT in complete remission (CR), using nationwide registry data of the Japan Society for Hematopoietic Cell Transplantation. Combinations of chemotherapy were categorized as follows: cyclophosphamide (CY) (n = 74), melphalan (L-PAM) (n = 139), CY + etoposide (VP16) (n = 408), CY + cytarabine (AraC) (n = 73), and others (n = 73). RESULTS Event-free survival (EFS) at 5 years after HSCT was 62.2% for CY, 71.4% for L-PAM, 67.6% for CY + VP16, 52.6% for CY + AraC, and 59.1% for others (P = 0.009). Further detailed comparison of LPAM and CY + VP16 demonstrated superior EFS for LPAM (83.2 ± 6.7%), with a marked difference compared with CY + VP16 (66.7 ± 4.9%) when limited to HSCT from a matched related donor (MRD), and this result was reproduced regardless of disease status (CR1 or CR2). However, EFS for CY + VP16 (68.3 ± 2.8%) was comparable to that for LPAM (64.5 ± 5.7%, P = 0.37) in HSCT from alternative donors, because higher non-relapse mortality attenuated the advantage of LPAM. CONCLUSIONS For pediatric ALL in remission, LPAM could provide superior EFS for HSCT from MRD; however, compared to LPAM, CY + VP16 has similar EFS for HSCT from an alternative donor.
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Affiliation(s)
- Motohiro Kato
- Department of Pediatrics, University of Tokyo, Tokyo, Japan.,Department of Cell Therapy and Transplantation Medicine, University of Tokyo, Tokyo, Japan
| | - Hiroyuki Ishida
- Department of Pediatrics, Matsushita Memorial Hospital, Moriguchi, Japan
| | - Katsuyoshi Koh
- Department of Hematology/Oncology, Saitama Children's Medical Center, Saitama, Japan
| | - Jiro Inagaki
- Department of Pediatrics, National Kyushu Cancer Center, Fukuoka, Japan
| | - Keisuke Kato
- Department of Hematology/Oncology, Ibaraki Children's Hospital, Mito, Japan
| | - Hiroaki Goto
- Division of Hemato-oncology/Regenerative Medicine, Kanagawa Children's Medical Center, Yokohama, Japan
| | - Takashi Kaneko
- Division of Hematology and Oncology, Tokyo Metropolitan Children's Medical Center, Fuchu, Japan
| | - Yuko Cho
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
| | - Yoshiko Hashii
- Department of Pediatrics, Osaka University Hospital, Suita, Japan
| | | | - Junko Takita
- Department of Pediatrics, University of Tokyo, Tokyo, Japan
| | - Kazuko Hamamoto
- Department of Pediatrics, Hiroshima Red Cross Hospital & Atomic-bomb Survivors Hospital, Hiroshima, Japan
| | - Masami Inoue
- Department of Hematology/Oncology, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Japan
| | - Akihisa Sawada
- Department of Hematology/Oncology, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Japan
| | - Ritsuro Suzuki
- Japanese Data Center for Hematopoietic Cell Transplantation, Nagoya, Japan
| | - Koji Kato
- Department of Hematology and Oncology, Children's Medical Center, Japanese Red Cross Nagoya First Hospital, Nagoya, Japan
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15
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Optimizing drug therapy in pediatric SCT: focus on pharmacokinetics. Bone Marrow Transplant 2014; 50:165-72. [PMID: 25347008 DOI: 10.1038/bmt.2014.235] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Revised: 08/08/2014] [Accepted: 08/27/2014] [Indexed: 12/19/2022]
Abstract
Given age-related differences in drug metabolism and indications for hematopoietic SCT (HSCT), personalized drug dosing of the conditioning regimen and post-transplant immunosuppression may reduce graft rejection, relapse rates and toxicity in pediatric HSCT recipients. This manuscript summarizes the pharmacokinetic/dynamic data of HSCT conditioning and post-grafting immunosuppression, presented at the First Annual Pediatric Bone Marrow Transplant Consortium (PBMTC) meeting in April 2013. Personalized dosing of BU to a target plasma exposure reduces graft rejection in children and improves relapse/toxicity rates in adults. Current weight-based dosing achieves the target BU exposure in only a minority (24.3%) of children. The initial BU dose should be based on the European Medicines Agency nomogram or population pharmacokinetic models to improve the numbers of children achieving the target exposure. There are limited pharmacokinetic data for treosulfan, CY, fludarabine and alemtuzumab as HSCT conditioning in children. For post-grafting immunosuppression, mycophenolic acid (MPA) clearance may be increased in younger children (<12 years). The preferred MPA pharmacokinetic monitoring parameters and target range are still evolving in HSCT recipients. Multi-institutional trials incorporating properly powered pharmacokinetic/dynamic studies are needed to assess the effect of variability in the plasma exposure of drugs/metabolites on clinical outcomes in pediatric HSCT recipients.
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16
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Treosulfan-based conditioning regimens for allogeneic HSCT in children with acute lymphoblastic leukaemia. Ann Hematol 2014; 94:297-306. [DOI: 10.1007/s00277-014-2196-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2014] [Accepted: 08/19/2014] [Indexed: 12/19/2022]
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17
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Bredeson C. Intravenous versus oral busulfan-based conditioning for pediatric allogeneic hematopoietic cell transplantations: did the pendulum swing too far, too fast? Biol Blood Marrow Transplant 2013; 19:1657-8. [PMID: 24140123 DOI: 10.1016/j.bbmt.2013.10.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Accepted: 10/07/2013] [Indexed: 10/26/2022]
Affiliation(s)
- Christopher Bredeson
- The Ottawa Hospital Blood and Marrow Transplant Program and Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.
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