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Klages KL, Schwartz LE, Crabtree EJS, Brokamp C, Rasnick E, Dandoy CE, Davies SM, Pai ALH. Social determinants of health predict health outcomes following pediatric allogeneic hematopoietic stem cell transplant. Pediatr Blood Cancer 2024; 71:e30892. [PMID: 38302730 DOI: 10.1002/pbc.30892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 01/10/2024] [Accepted: 01/13/2024] [Indexed: 02/03/2024]
Abstract
BACKGROUND Pediatric hematopoietic stem cell transplantation (HCT) is an intensive medical procedure that places substantial financial and logistical burdens on families and is associated with significant health risks, such as graft-versus-host disease (GVHD), and infections. The influence of the social determinants of health (SDoH) on outcomes following pediatric HCT is understudied. This study aimed to examine whether SDoH predicts outcomes following pediatric HCT. PROCEDURE Data were collected from 84 children who received HCT (Mage = 5.8 years, SD = 3.7) and their primary caregiver. Detailed demographic information was collected from caregivers at baseline, and child health information was extracted from the electronic medical records. Multivariate logistic regression was used to examine the association between SDoH and health outcomes within a 24-month period following pediatric HCT. RESULTS After controlling for malignancy as reason for transplant and donor type, lower family income predicted the incidence of chronic GVHD. Neighborhood deprivation, total family income, public health insurance, caregiver relationship status, caregiver educational attainment, and perceived family financial difficulties did not predict acute GVHD or the number of infections. CONCLUSIONS Total family income is a simple family indicator of SDoH that predicts chronic GVHD after pediatric allogeneic HCT. These findings provide further support for the importance of screening of child and family SDoH risks to ensure that fundamental needs can be met to mitigate potential health disparities for up to 2 years following pediatric HCT.
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Affiliation(s)
- Kimberly L Klages
- Patient and Family Wellness Center in the Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Laura E Schwartz
- Patient and Family Wellness Center in the Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Endia J Santee Crabtree
- Patient and Family Wellness Center in the Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Cole Brokamp
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
- Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Erika Rasnick
- Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Christopher E Dandoy
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
- Division of Bone Marrow Transplantation & Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Stella M Davies
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
- Division of Bone Marrow Transplantation & Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Ahna L H Pai
- Patient and Family Wellness Center in the Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
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2
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Sykora KW, Beier R, Schulz A, Cesaro S, Greil J, Gozdzik J, Sedlacek P, Bader P, Schulte J, Zecca M, Locatelli F, Gruhn B, Reinhardt D, Styczynski J, Piras S, Fagioli F, Bonanomi S, Caniglia M, Li X, Baumgart J, Kehne J, Mielcarek-Siedziuk M, Kalwak K. Treosulfan vs busulfan conditioning for allogeneic bmt in children with nonmalignant disease: a randomized phase 2 trial. Bone Marrow Transplant 2024; 59:107-116. [PMID: 37925531 PMCID: PMC10781637 DOI: 10.1038/s41409-023-02135-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/12/2023] [Accepted: 10/17/2023] [Indexed: 11/06/2023]
Abstract
Optimal conditioning prior to allogeneic hematopoietic stem cell transplantation for children with non-malignant diseases is subject of ongoing research. This prospective, randomized, phase 2 trial compared safety and efficacy of busulfan with treosulfan based preparative regimens. Children with non-malignant diseases received fludarabine and either intravenous (IV) busulfan (4.8 to 3.2 mg/kg/day) or IV treosulfan (10, 12, or 14 g/m2/day). Thiotepa administration (2 × 5 mg/kg) was at the investigator's discretion. Primary endpoint was freedom from transplantation (treatment)-related mortality (freedom from TRM), defined as death between Days -7 and +100. Overall, 101 patients (busulfan 50, treosulfan 51) with at least 12 months follow-up were analyzed. Freedom from TRM was 90.0% (95% CI: 78.2%, 96.7%) after busulfan and 100.0% (95% CI: 93.0%, 100.0%) after treosulfan. Secondary outcomes (transplantation-related mortality [12.0% versus 3.9%]) and overall survival (88.0% versus 96.1%) favored treosulfan. Graft failure was more common after treosulfan (n = 11), than after busulfan (n = 2) while all patients were rescued by second procedures except one busulfan patient. CTCAE Grade III adverse events were similar in both groups. This study confirmed treosulfan to be an excellent alternative to busulfan and can be safely used for conditioning treatment in children with non-malignant disease.
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Affiliation(s)
- Karl-Walter Sykora
- Hannover Medical School, Ped. Haematology and Oncology, Hannover, Germany
| | - Rita Beier
- Hannover Medical School, Ped. Haematology and Oncology, Hannover, Germany.
| | - Ansgar Schulz
- Department of Pediatrics, University Medical Center Ulm, Ulm, Germany
| | - Simone Cesaro
- Pediatric Hematology Oncology, Azienda Ospedaliera Universitaria Integrata, Verona, Italy
| | | | - Jolanta Gozdzik
- Jagiellonian University Medical College, Center of Transplantation University Children's Hospital in Cracow, Cracow, Poland
| | | | - Peter Bader
- University Hospital Frankfurt, Frankfurt Main, Germany
| | | | - Marco Zecca
- Children's Hospital San Matteo, Pavia, Italy
| | | | - Bernd Gruhn
- Department of Pediatrics, Jena University Hospital, Jena, Germany
| | | | - Jan Styczynski
- Department of Pediatric Hematology and Oncology, University Hospital, Collegium Medicum UMK, Bydgoszcz, Poland
| | - Simona Piras
- Children's Hospital Antonio Cao, Cagliari, Italy
| | | | | | | | | | | | | | | | - Krzysztof Kalwak
- Department of Pediatric Hematology, Oncology and BMT, Wroclaw Medical University, Wroclaw, Poland
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3
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Park HJ, Hong KT, Han N, Kim IW, Oh JM, Kang HJ. Body Surface Area-Based Dosing of Mycophenolate Mofetil in Pediatric Hematopoietic Stem Cell Transplant Recipients: A Prospective Population Pharmacokinetic Study. Pharmaceutics 2023; 15:2741. [PMID: 38140082 PMCID: PMC10748085 DOI: 10.3390/pharmaceutics15122741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/03/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
Mycophenolate mofetil (MMF) is commonly used for acute graft-versus-host disease (aGVHD) after allogeneic hematopoietic stem cell transplantation (HSCT). However, limited population pharmacokinetic (PPK) data are available for pediatric HSCT patients. This study aimed to develop a PPK model and recommend optimal oral MMF dosage in pediatric HSCT patients. This prospective study involved pediatric HSCT patients at a tertiary academic institution. Patients received oral MMF 15-20 mg/kg twice daily for aGVHD prophylaxis and treatment. The PPK analysis was conducted using a nonlinear mixed-effects modeling method. Simulation was performed considering different body surface areas (BSAs) (0.5 m2, 1.0 m2, 1.5 m2) and dosing (400 mg/m2, 600 mg/m2, 900 mg/m2 twice daily). Based on the simulation, an optimal dosage of oral MMF was suggested. A total of 20 patients and 80 samples were included in the PPK model development. A one-compartment model with first-order absorption adequately described the pharmacokinetics of mycophenolic acid (MPA). BSA was a statistically significant covariate on Vd/F. Simulation suggested the optimal dosage of oral MMF as 900 mg/m2 twice daily, respectively. A reliable PPK model was developed with good predictive performance. This model-informed optimal MMF dosage in pediatric HSCT patients can provide valuable dosing guidance in real-world clinical practice.
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Affiliation(s)
- Hyun Jin Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea; (H.J.P.); (N.H.); (I.-W.K.)
| | - Kyung Taek Hong
- Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Cancer Research Institute, Seoul National University Children’s Hospital, Seoul 03080, Republic of Korea;
| | - Nayoung Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea; (H.J.P.); (N.H.); (I.-W.K.)
- College of Pharmacy, Jeju National University, Jeju 63243, Republic of Korea
| | - In-Wha Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea; (H.J.P.); (N.H.); (I.-W.K.)
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea; (H.J.P.); (N.H.); (I.-W.K.)
| | - Hyoung Jin Kang
- Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Cancer Research Institute, Seoul National University Children’s Hospital, Seoul 03080, Republic of Korea;
- Wide River Institute of Immunology, Hongcheon 25159, Republic of Korea
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4
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Masetti R, Leardini D, Muratore E, Fabbrini M, D’Amico F, Zama D, Baccelli F, Gottardi F, Belotti T, Ussowicz M, Fraczkiewicz J, Cesaro S, Zecca M, Merli P, Candela M, Pession A, Locatelli F, Prete A, Brigidi P, Turroni S. Gut microbiota diversity before allogeneic hematopoietic stem cell transplantation as a predictor of mortality in children. Blood 2023; 142:1387-1398. [PMID: 37856089 PMCID: PMC10651870 DOI: 10.1182/blood.2023020026] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 06/16/2023] [Indexed: 10/20/2023] Open
Abstract
The correlation existing between gut microbiota diversity and survival after allogeneic hematopoietic stem cell transplantation (allo-HSCT) has so far been studied in adults. Pediatric studies question whether this association applies to children as well. Stool samples from a multicenter cohort of 90 pediatric allo-HSCT recipients were analyzed using 16S ribosomal RNA amplicon sequencing to profile the gut microbiota and estimate diversity with the Shannon index. A global-to-local networking approach was used to characterize the ecological structure of the gut microbiota. Patients were stratified into higher- and lower-diversity groups at 2 time points: before transplantation and at neutrophil engraftment. The higher-diversity group before transplantation exhibited a higher probability of overall survival (88.9% ± 5.7% standard error [SE] vs 62.7% ± 8.2% SE; P = .011) and lower incidence of grade 2 to 4 and grade 3 to 4 acute graft-versus-host disease (aGVHD). No significant difference in relapse-free survival was observed between the 2 groups (80.0% ± 6.0% SE vs 55.4% ± 10.8% SE; P = .091). The higher-diversity group was characterized by higher relative abundances of potentially health-related microbial families, such as Ruminococcaceae and Oscillospiraceae. In contrast, the lower-diversity group showed an overabundance of Enterococcaceae and Enterobacteriaceae. Network analysis detected short-chain fatty acid producers, such as Blautia, Faecalibacterium, Roseburia, and Bacteroides, as keystones in the higher-diversity group. Enterococcus, Escherichia-Shigella, and Enterobacter were instead the keystones detected in the lower-diversity group. These results indicate that gut microbiota diversity and composition before transplantation correlate with survival and with the likelihood of developing aGVHD.
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Affiliation(s)
- Riccardo Masetti
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Davide Leardini
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Edoardo Muratore
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Marco Fabbrini
- Department of Medical and Surgical Sciences, Microbiomics Unit, University of Bologna, Bologna, Italy
- Department of Pharmacy and Biotechnology, Unit of Microbiome Science and Biotechnology, University of Bologna, Bologna, Italy
| | - Federica D’Amico
- Department of Medical and Surgical Sciences, Microbiomics Unit, University of Bologna, Bologna, Italy
| | - Daniele Zama
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Pediatric Emergency Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Francesco Baccelli
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Francesca Gottardi
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Tamara Belotti
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Marek Ussowicz
- Department and Clinic of Pediatric Oncology, Hematology and Bone Marrow Transplantation, Wrocław Medical University, Wrocław, Poland
| | - Jowita Fraczkiewicz
- Department and Clinic of Pediatric Oncology, Hematology and Bone Marrow Transplantation, Wrocław Medical University, Wrocław, Poland
| | - Simone Cesaro
- Department of Mother and Child, Pediatric Hematology Oncology Unit, Azienda Ospedaliera Universitaria Integrata, Verona, Italy
| | - Marco Zecca
- Pediatric Hematology/Oncology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Pietro Merli
- Department of Pediatric Hematology and Oncology, Bambino Gesù Children’s Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Marco Candela
- Department of Pharmacy and Biotechnology, Unit of Microbiome Science and Biotechnology, University of Bologna, Bologna, Italy
| | - Andrea Pession
- Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Franco Locatelli
- Department of Pediatric Hematology and Oncology, Bambino Gesù Children’s Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
- Catholic University of the Sacred Heart, Rome, Italy
| | - Arcangelo Prete
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Patrizia Brigidi
- Department of Medical and Surgical Sciences, Microbiomics Unit, University of Bologna, Bologna, Italy
| | - Silvia Turroni
- Department of Pharmacy and Biotechnology, Unit of Microbiome Science and Biotechnology, University of Bologna, Bologna, Italy
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5
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Buder K, Zirngibl M, Bapistella S, Meerpohl JJ, Strahm B, Bassler D, Weitz M. Extracorporeal photopheresis versus standard treatment for acute graft-versus-host disease after haematopoietic stem cell transplantation in children and adolescents. Cochrane Database Syst Rev 2022; 9:CD009759. [PMID: 36166494 PMCID: PMC9514720 DOI: 10.1002/14651858.cd009759.pub4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Acute graft-versus-host disease (aGvHD) is a major cause of morbidity and mortality after haematopoietic stem cell transplantation (HSCT), occurring in 8% to 85% of paediatric recipients. Currently, the therapeutic mainstay for aGvHD is treatment with corticosteroids. However, there is no established standard treatment for steroid-refractory aGvHD. Extracorporeal photopheresis (ECP) is a type of immunomodulatory method amongst different therapeutic options that involves ex vivo collection of peripheral mononuclear cells, exposure to the photoactive agent 8-methoxypsoralen and ultraviolet-A radiation, and reinfusion of these treated blood cells to the patient. The mechanisms of action of ECP are not completely understood. This is the second update of a Cochrane Review first published in 2014 and updated in 2015. OBJECTIVES To evaluate the effectiveness and safety of ECP for the management of aGvHD in children and adolescents after HSCT. SEARCH METHODS We searched the Cochrane Register of Controlled Trials (CENTRAL), MEDLINE (PubMed) and Embase (Ovid) databases from their inception to 25 January 2021. We searched the reference lists of potentially relevant studies without any language restrictions. We searched five conference proceedings and nine clinical trial registries on 9 November 2020 and 12 November 2020, respectively. SELECTION CRITERIA We sought to include randomised controlled trials (RCTs) comparing ECP with or without standard treatment versus standard treatment alone in children and adolescents with aGvHD after HSCT. DATA COLLECTION AND ANALYSIS Two review authors independently performed the study selection. We resolved disagreement in the selection of trials by consultation with a third review author. MAIN RESULTS We identified no additional studies in the 2021 review update, so there are still no studies that meet the criteria for inclusion in this review. AUTHORS' CONCLUSIONS The efficacy of ECP in the treatment of aGvHD in children and adolescents after HSCT is unknown, and its use should be restricted to within the context of RCTs. Such studies should address a comparison of ECP alone or in combination with standard treatment versus standard treatment alone. The 2021 review update brought about no additions to these conclusions.
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Affiliation(s)
- Kathrin Buder
- Department of General Paediatrics and Haematology/Oncology, University Hospital Tübingen, University Children's Hospital, Tübingen, Germany
| | - Matthias Zirngibl
- Department of General Paediatrics and Haematology/Oncology, University Hospital Tübingen, University Children's Hospital, Tübingen, Germany
| | - Sascha Bapistella
- Department of General Paediatrics and Haematology/Oncology, University Hospital Tübingen, University Children's Hospital, Tübingen, Germany
| | - Joerg J Meerpohl
- Cochrane Germany, Cochrane Germany Foundation, Freiburg, Germany
| | - Brigitte Strahm
- Pediatric Hematology and Oncology Centre for Pediatrics and Adolescent Medicine, University Medical School Freiburg, Freiburg, Germany
| | - Dirk Bassler
- Department of Neonatology, University Hospital Zürich, Zürich, Switzerland
| | - Marcus Weitz
- Department of General Paediatrics and Haematology/Oncology, University Hospital Tübingen, University Children's Hospital, Tübingen, Germany
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6
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Ye BM, Hyeon JM, Kim SJ, Kim MJ, Lee HJ, Choi BH, Kim SR, Kim IY, Lee SB, Lee DW. Graft-Versus-Host Disease Developed After En Bloc Kidney Transplant From a Pediatric Donor: A Case Report. EXP CLIN TRANSPLANT 2022; 20:863-866. [DOI: 10.6002/ect.2022.0204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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7
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Verbeek AB, Jansen SA, von Asmuth EG, Lankester AC, Bresters D, Bierings M, Mohseny AB, Lindemans CA, Buddingh EP. Clinical Features, Treatment, and Outcome of Pediatric Steroid Refractory Acute Graft-Versus-Host Disease: A Multicenter Study. Transplant Cell Ther 2022; 28:600.e1-600.e9. [DOI: 10.1016/j.jtct.2022.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 05/31/2022] [Accepted: 06/07/2022] [Indexed: 11/17/2022]
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8
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Lin F, Zuo Y, Zhang Y, Cheng Y, Han T, Mo X, Suo P, Sun Y, Tang F, Wang F, Yan C, Chen Y, Han W, Wang J, Wang Y, Zhang X, Liu K, Huang X, Xu L. The impact of pretransplant serum ferritin on haploidentical hematopoietic stem cell transplant for acquired severe aplastic anemia in children and adolescents. Pediatr Blood Cancer 2022; 69:e29845. [PMID: 35731841 DOI: 10.1002/pbc.29845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 05/08/2022] [Accepted: 05/31/2022] [Indexed: 01/19/2023]
Abstract
Haploidentical hematopoietic stem cell transplant (haplo-HSCT) provides an important alternative for children and adolescents with acquired severe aplastic anemia (SAA) lacking matched donors. To test whether pretransplant serum ferritin (SF) represents a candidate predictor for survival and a potential biomarker for graft-versus-host disease (GvHD) in pediatric haplo-HSCT, we retrospectively evaluated 147 eligible patients with SAA who underwent haplo-HSCT. The patients were divided into the low-SF group (< 1000 ng/mL) and the high-SF group (≥ 1000 ng/mL). We found that SF ≥1000 ng/mL independently increased the risk of grade II-IV aGvHD (HR = 2.596; 95% CI, 1.304-5.167, P = 0.007) and grade III-IV aGvHD (HR = 3.350; 95% CI, 1.162-9.658, P = 0.025). Similar probabilities of transplant-related mortality at 100 days were observed in the two groups (6.19 ± 2.45% vs 8.00 ± 3.84%, P = 0.168). The two-year overall survival (85.29 ± 3.89% vs 92.00% ± 3.84%, P = 0.746) and failure-free survival (83.23% ± 4.08% vs 83.37% ± 6.27%, P = 0.915) were comparable. GvHD-/failure-free survival were 60.06 ± 5.10% and 75.56 ± 6.87%, respectively (P = 0.056). In conclusion, elevated pretransplant SF level is associated with higher incidences of grade II-IV aGvHD and grade III-IV aGvHD. However, it is not associated with worse survival after haplo-HSCT for children and adolescent patients with SAA.
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Affiliation(s)
- Fan Lin
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Yangyang Zuo
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Yuanyuan Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Yifei Cheng
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Tingting Han
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Xiaodong Mo
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Pan Suo
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Yuqian Sun
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Feifei Tang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Fengrong Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Chenhua Yan
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Yuhong Chen
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Wei Han
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Jingzhi Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Yu Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Xiaohui Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Kaiyan Liu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
| | - Xiaojun Huang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China.,Peking-Tsinghua Centre for Life Sciences, Beijing, China
| | - Lanping Xu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Haematopoietic Stem Cell Transplant, Beijing, China
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9
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Post-Transplant Cyclophosphamide after Matched Sibling and Unrelated Donor Hematopoietic Stem Cell Transplantation in Pediatric Patients with Acute Myeloid Leukemia. Int J Mol Sci 2022; 23:ijms23158748. [PMID: 35955881 PMCID: PMC9368975 DOI: 10.3390/ijms23158748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 07/31/2022] [Accepted: 08/05/2022] [Indexed: 11/18/2022] Open
Abstract
Non-relapse mortality due to GVHD and infections represents a major source of morbidity and mortality in pediatric HSCT recipients. Post-transplant cyclophosphamide (PTCy) has emerged as an effective and safe GVHD prophylaxis strategy, with improved GVHD and relapse-free survival in matched (related and unrelated) and mismatched haploidentical HSCT adult recipients. However, there are no published data in pediatric patients with acute myeloid leukemia who received matched-donor HSCT with PTCy. We demonstrate, in this case series, that the use of PTCy in this population is potentially safe, effective in preventing acute GVHD, does not impair engraftment, is associated with reduced non-relapse mortality, and does not hinder immune reconstitution post HSCT.
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10
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Association study of candidate DNA-repair gene variants and acute graft versus host disease in pediatric patients receiving allogeneic hematopoietic stem-cell transplantation. THE PHARMACOGENOMICS JOURNAL 2022; 22:9-18. [PMID: 34711928 PMCID: PMC8794787 DOI: 10.1038/s41397-021-00251-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 02/26/2021] [Accepted: 04/06/2021] [Indexed: 02/07/2023]
Abstract
Acute Graft versus Host Disease (aGvHD) grades 2-4 occurs in 15-60% of pediatric patients undergoing allogeneic haematopoietic stem-cell transplantation (allo-HSCT). The collateral damage to normal tissue by conditioning regimens administered prior to allo-HSCT serve as an initial trigger for aGvHD. DNA-repair mechanisms may play an important role in mitigating this initial damage, and so the variants in corresponding DNA-repair protein-coding genes via affecting their quantity and/or function. We explored 51 variants within 17 DNA-repair genes for their association with aGvHD grades 2-4 in 60 pediatric patients. The cumulative incidence of aGvHD 2-4 was 12% (n = 7) in the exploratory cohort. MGMT rs10764881 (G>A) and EXO rs9350 (c.2270C>T) variants were associated with aGvHD 2-4 [Odds ratios = 14.8 (0 events out of 40 in rs10764881 GG group) and 11.5 (95% CI: 2.3-191.8), respectively, multiple testing corrected p ≤ 0.001]. Upon evaluation in an extended cohort (n = 182) with an incidence of aGvHD 2-4 of 22% (n = 40), only MGMT rs10764881 (G>A) remained significant (adjusted HR = 2.05 [95% CI: 1.06-3.94]; p = 0.03) in the presence of other clinical risk factors. Higher MGMT expression was seen in GG carriers for rs10764881 and was associated with higher IC50 of Busulfan in lymphoblastoid cells. MGMT rs10764881 carrier status could predict aGvHD occurrence in pediatric patients undergoing allo-HSCT.
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11
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Lim YJ, Arbiv OA, Kalbfleisch ME, Klaassen RJ, Fernandez C, Rayar M, Steele M, Lipton JH, Cuvelier G, Pastore YD, Silva M, Brossard J, Michon B, Abish S, Sinha R, Corriveau-Bourque C, Breakey VR, Tole S, Goodyear L, Sung L, Zlateska B, Cada M, Dror Y. Poor Outcome After Hematopoietic Stem Cell Transplantation Of Patients With Unclassified Inherited Bone Marrow Failure Syndromes. Eur J Haematol 2021; 108:278-287. [PMID: 34897809 DOI: 10.1111/ejh.13733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 11/29/2021] [Accepted: 12/01/2021] [Indexed: 11/30/2022]
Abstract
Classification of inherited bone marrow failure syndromes (IBMFSs) according to clinical and genetic diagnoses enables proper adjustment of treatment. Unfortunately, 30% of patients enrolled in the Canadian Inherited Marrow Failure Registry (CIMFR) with features suggesting hereditability could not be classified with a specific syndromic diagnosis. We analyzed the outcome of hematopoietic stem cell transplantation (HSCT) in unclassified IBMFSs (uIBMFSs) and the factors associated with outcome. Twenty-two patients with uIBMFSs and 70 patients with classified IBMFSs underwent HSCT. Five-year overall survival of uIBMFS patients after HSCT was inferior to that of patients with classified IBMFSs (56% vs 76.5%). The outcome of patients with uIBMFS who received cord blood was significantly lower than that of patients who received other stem cell sources (14.8% vs 90.9%). Engraftment failure was higher among patients with uIBMFS who received cord blood than those who received bone marrow. None of the following factors was significantly associated with poor survival: transfusion load, transplant indication, the intensity of conditioning regimen, human leukocyte antigen-identical sibling/alternative donor. We suggest that identifying the genetic diagnosis is essential to modulate the transplant procedure including conditioning agents and stem cell sources for better outcome and the standard CBT should be avoided in uIBMFS.
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Affiliation(s)
- Yeon Jung Lim
- The Marrow Failure and Myelodysplasia Program, Division of Haematology/Oncology, Department of Paediatrics, University of Toronto.,Genetics and Genome Biology Program, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada.,Current Affiliation, Department of Pediatrics, College of Medicine, Chungnam National University, Daejeon, Korea
| | - Omri A Arbiv
- The Marrow Failure and Myelodysplasia Program, Division of Haematology/Oncology, Department of Paediatrics, University of Toronto.,Genetics and Genome Biology Program, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Melanie E Kalbfleisch
- The Marrow Failure and Myelodysplasia Program, Division of Haematology/Oncology, Department of Paediatrics, University of Toronto.,Genetics and Genome Biology Program, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada
| | | | | | - Meera Rayar
- British Columbia Children's Hospital, Vancouver, British Columbia, Canada
| | | | | | | | | | | | - Josee Brossard
- Centre U Sante de l'Estrie-Fleur, Sherbrooke, Québec, Canada
| | - Bruno Michon
- Centre Hospital University Quebec-Pav CHUL, Sainte-Foy, Québec, Canada
| | - Sharon Abish
- Montreal Children's Hospital, Montreal, Québec, Canada
| | - Roona Sinha
- University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | | | - Vicky R Breakey
- McMaster Children's Hospital/McMaster University Health Sciences Centre, Hamilton, Ontario, Canada
| | - Soumitra Tole
- Children's Hospital, London Health Sciences Centre, London, Ontario, Canada
| | - Lisa Goodyear
- Janeway Child Health Centre, St. John's, Newfoundland, Canada
| | - Lillian Sung
- Child Health and Evaluative Sciences, .The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Bozana Zlateska
- The Marrow Failure and Myelodysplasia Program, Division of Haematology/Oncology, Department of Paediatrics, University of Toronto.,Genetics and Genome Biology Program, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Michaela Cada
- The Marrow Failure and Myelodysplasia Program, Division of Haematology/Oncology, Department of Paediatrics, University of Toronto
| | - Yigal Dror
- The Marrow Failure and Myelodysplasia Program, Division of Haematology/Oncology, Department of Paediatrics, University of Toronto.,Genetics and Genome Biology Program, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada.,Institute of Medical Sciences, University of Toronto, Toronto, Canada
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12
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Koh P, Cole N, Evans HM, McFarlane J, Roberts AJ. Diagnostic utility of upper and lower gastrointestinal endoscopy for the diagnosis of acute graft-versus-host disease in children following stem cell transplantation: A 12-year experience. Pediatr Transplant 2021; 25:e14046. [PMID: 34076318 DOI: 10.1111/petr.14046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 03/30/2021] [Accepted: 04/29/2021] [Indexed: 01/16/2023]
Abstract
BACKGROUND Endoscopically obtained mucosal biopsies are the gold standard for diagnosing acute graft-versus-host disease of the gastrointestinal tract (GI-GVHD). There is no consensus on the ideal endoscopic approach in children. We aimed to ascertain which gastrointestinal sites and endoscopic approaches were most helpful for diagnosing acute GVHD and whether clinical symptoms can guide the endoscopic approach. METHOD A single-center retrospective review of all pediatric stem cell transplants (SCT) between January 1, 2007, and December 31, 2018. Of those with histologically diagnosed GI-GVHD, sensitivities of individual GI sites for making the diagnosis were calculated. Clinical symptoms were compared with GI site yielding diagnosis. RESULTS 216 allogeneic SCTs were performed in 199 patients. 37 of 52 suspected GI-GHVD cases underwent endoscopy. There was marked variability in the endoscopic approaches chosen. 82% of these cases had lower gastrointestinal symptoms. 21 cases had histologically proven GI-GVHD. 19 (90%) of these had GVHD of non-gastrointestinal sites; 10 (48%) had concurrent infections. The most-sensitive GI sites were the rectosigmoid and duodenum (86% and 76%, respectively). Overall sensitivity of upper GI endoscopy (UGIE) and lower GI endoscopy (LGIE) was 86% and 90%, respectively. There was no statistically significant association between clinical symptoms and site at which histological diagnosis was obtained. CONCLUSION We observed variability in the endoscopic approach used by clinicians. UGIE and sigmoidoscopy had high sensitivities for diagnosing GVHD, regardless of symptoms. LGIE had minimal additional diagnostic value. This would support a standardized approach with UGIE and sigmoidoscopy for all children with suspected GI-GVHD.
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Affiliation(s)
- Phoebe Koh
- Department of Paediatric Gastroenterology, Starship Child Health, Auckland, New Zealand
| | - Nyree Cole
- Stem Cell Transplant Unit, Starship Child Health Auckland, Auckland, New Zealand
| | - Helen M Evans
- Department of Paediatric Gastroenterology, Starship Child Health, Auckland, New Zealand.,Department of Paediatrics, University of Auckland, Auckland, New Zealand
| | - Jeannette McFarlane
- Department of Anatomical Pathology, Auckland City Hospital, Auckland, New Zealand
| | - Amin J Roberts
- Department of Paediatric Gastroenterology, Starship Child Health, Auckland, New Zealand.,Department of Paediatrics, University of Auckland, Auckland, New Zealand
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13
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Patrolling human SLE haematopoietic progenitors demonstrate enhanced extramedullary colonisation; implications for peripheral tissue injury. Sci Rep 2021; 11:15759. [PMID: 34344937 PMCID: PMC8333421 DOI: 10.1038/s41598-021-95224-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 07/06/2021] [Indexed: 12/28/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease where bone-marrow-derived haematopoietic cells have a key role in its pathogenesis with accumulating evidence suggesting an aberrant function of haematopoietic stem/progenitor cells (HSPCs). We examined whether patrolling HSPCs differ from bone-marrow HSPCs both in SLE and healthy individuals, and how they participate in peripheral tissue injury. By employing next-generation RNA sequencing, the transcriptomes of CD34+ HSPCs deriving from the bone marrow and those patrolling the bloodstream of both healthy and individuals with SLE were compared. Patrolling SLE and Healthy human HSPC kinetics were examined through their inoculation into humanised mice. Patrolling and bone-marrow HSPCs have distinct molecular signatures, while patrolling SLE HSPCs showed an enhanced extramedullary gene expression profile. Non-mobilised, SLE-derived circulating HSPCs demonstrated altered homing capacities. Xenotransplantation of circulating HSPCs in humanised mice showed that human peripheral blood HSPCs possess the ability for extramedullary organ colonisation to the kidneys. Circulating and bone marrow-derived HSPCs are distinct in steady and diseased states. Patrolling SLE CD34+ HSPCs are able to home at extramedullary sites such as the spleen and kidneys, potentially participating in peripheral tissue injury.
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14
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Döring M, Cabanillas Stanchi KM, Lenglinger K, Treuner C, Gieseke F, Erbacher A, Mezger M, Vaegler M, Schlegel PG, Greil J, Bettoni da Cunha Riehm C, Faul C, Schumm M, Lang P, Handgretinger R, Müller I. Long-Term Follow-Up After the Application of Mesenchymal Stromal Cells in Children and Adolescents with Steroid-Refractory Graft-Versus-Host Disease. Stem Cells Dev 2021; 30:234-246. [PMID: 33446053 DOI: 10.1089/scd.2020.0191] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Steroid-refractory graft-versus-host disease (GvHD) is a life-threatening complication after allogeneic hematopoietic stem cell transplantation (alloHSCT). Alternative treatment options are often insufficient. Several studies have proven the efficacy of mesenchymal stromal cells (MSCs) in the treatment of therapy-refractory acute GvHD in adult and pediatric patients. Long-term data in pediatric patients are scarce. In this retrospective analysis, a total of 25 patients with a median age of 10.6 years (range 0.6-22.1 years) who received bone marrow-derived MSCs after alloHSCT for the treatment of steroid-refractory III and IV GvHD were analyzed. The median observation period of the surviving patients was 9.3 years (1.3-12.7 years) after HSCT. Among the 25 patients, 10 (40.0%) died [relapse (n = 3), multiorgan failure (n = 6), cardiorespiratory failure (n = 1)] at median 0.5 years (0.2-2.3 years) after HSCT. Partial response and complete remission (PR, CR) of the GvHD were achieved in 76.0% and 24.0% of the patients, respectively. Transplant-related mortality was 0% in the patients who achieved CR after MSC treatment and 26.3% for those with PR. A median improvement by one intestinal or liver GvHD stage (range 1-4) could be achieved after MSC application. No potentially MSC-related long-term adverse effects, for example, secondary malignancy, were identified. In conclusion, the intravenous application of allogeneic MSCs was safe and proved effective for the treatment of steroid-refractory GvHD. However, larger, prospective, and randomized trials are needed to evaluate these findings.
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Affiliation(s)
- Michaela Döring
- Department I-General Pediatrics, Hematology and Oncology, University Children's Hospital Tübingen, Tübingen, Germany
| | | | - Katrin Lenglinger
- Department I-General Pediatrics, Hematology and Oncology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Claudia Treuner
- Department I-General Pediatrics, Hematology and Oncology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Friederike Gieseke
- Department I-General Pediatrics, Hematology and Oncology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Annika Erbacher
- Department I-General Pediatrics, Hematology and Oncology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Markus Mezger
- Department I-General Pediatrics, Hematology and Oncology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Martin Vaegler
- Experimental and Clinical Research Center, GMP-Facility for Cellular Therapies, Charité Universitätsmedizin Berlin, Campus Berlin Buch, Berlin, Germany
| | - Paul-Gerhardt Schlegel
- Department of Pediatric Hematology and Oncology, University of Würzburg, Würzburg, Germany
| | - Johann Greil
- Department of Pediatric Hematology and Oncology, University Hospital Heidelberg, Heidelberg, Germany
| | | | - Christoph Faul
- University Hospital and Comprehensive Cancer Center Tübingen, Universitätsklinikum Tübingen, Tübingen, Germany
| | - Michael Schumm
- Department I-General Pediatrics, Hematology and Oncology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Peter Lang
- Department I-General Pediatrics, Hematology and Oncology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Rupert Handgretinger
- Department I-General Pediatrics, Hematology and Oncology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Ingo Müller
- Division for Pediatric Stem Cell Transplantation and Immunology, Clinic for Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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15
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Ragoonanan D, Khazal SJ, Abdel-Azim H, McCall D, Cuglievan B, Tambaro FP, Ahmad AH, Rowan CM, Gutierrez C, Schadler K, Li S, Di Nardo M, Chi L, Gulbis AM, Shoberu B, Mireles ME, McArthur J, Kapoor N, Miller J, Fitzgerald JC, Tewari P, Petropoulos D, Gill JB, Duncan CN, Lehmann LE, Hingorani S, Angelo JR, Swinford RD, Steiner ME, Hernandez Tejada FN, Martin PL, Auletta J, Choi SW, Bajwa R, Dailey Garnes N, Kebriaei P, Rezvani K, Wierda WG, Neelapu SS, Shpall EJ, Corbacioglu S, Mahadeo KM. Diagnosis, grading and management of toxicities from immunotherapies in children, adolescents and young adults with cancer. Nat Rev Clin Oncol 2021; 18:435-453. [PMID: 33608690 PMCID: PMC9393856 DOI: 10.1038/s41571-021-00474-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2021] [Indexed: 02/07/2023]
Abstract
Cancer immunotherapies are associated with remarkable therapeutic response rates but also with unique and severe toxicities, which potentially result in rapid deterioration in health. The number of clinical applications for novel immune effector-cell therapies, including chimeric antigen receptor (CAR)-expressing cells, and other immunotherapies, such as immune-checkpoint inhibitors, is increasing. In this Consensus Statement, members of the Pediatric Acute Lung Injury and Sepsis Investigators (PALISI) Network Hematopoietic Cell Transplantation-Cancer Immunotherapy (HCT-CI) Subgroup, Paediatric Diseases Working Party (PDWP) of the European Society of Blood and Marrow Transplantation (EBMT), Supportive Care Committee of the Pediatric Transplantation and Cellular Therapy Consortium (PTCTC) and MD Anderson Cancer Center CAR T Cell Therapy-Associated Toxicity (CARTOX) Program collaborated to provide updated comprehensive recommendations for the care of children, adolescents and young adults receiving cancer immunotherapies. With these recommendations, we address emerging toxicity mitigation strategies, we advocate for the characterization of baseline organ function according to age and discipline-specific criteria, we recommend early critical care assessment when indicated, with consideration of reversibility of underlying pathology (instead of organ failure scores) to guide critical care interventions, and we call for researchers, regulatory agencies and sponsors to support and facilitate early inclusion of young patients with cancer in well-designed clinical trials.
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Affiliation(s)
- Dristhi Ragoonanan
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | - Sajad J Khazal
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Hisham Abdel-Azim
- Department of Pediatrics, Blood and Marrow Transplantation Program, Keck School of Medicine, University of Southern California, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - David McCall
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Branko Cuglievan
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Ali Haider Ahmad
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Courtney M Rowan
- Department of Pediatrics, Division of Critical Care, Indiana University School of Medicine, Riley Hospital for Children, Indianapolis, IN, USA
| | - Cristina Gutierrez
- Department of Critical Care, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Keri Schadler
- Department of Pediatrics Research, Center for Energy Balance in Cancer Prevention and Survivorship, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Shulin Li
- Department of Pediatrics Research, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Matteo Di Nardo
- Pediatric Intensive Care Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Linda Chi
- Division of Diagnostic Imaging, Neuroradiology Department, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Alison M Gulbis
- Division of Pharmacy, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Basirat Shoberu
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Maria E Mireles
- Division of Pharmacy, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jennifer McArthur
- Department of Pediatrics, Division of Critical Care, St Jude Children's Research Hospital, Memphis, TN, USA.,Department of Pediatrics, Division of Critical Care, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Neena Kapoor
- Department of Pediatrics, Blood and Marrow Transplantation Program, Keck School of Medicine, University of Southern California, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Jeffrey Miller
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Julie C Fitzgerald
- Department of Anesthesia and Critical Care, University of Pennsylvania Perelman School of Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Priti Tewari
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Demetrios Petropoulos
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jonathan B Gill
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Christine N Duncan
- Pediatric Hematology-Oncology, Dana-Farber Cancer Institute, Harvard University, Boston, MA, USA
| | - Leslie E Lehmann
- Pediatric Hematology-Oncology, Dana-Farber Cancer Institute, Harvard University, Boston, MA, USA
| | - Sangeeta Hingorani
- Department of Pediatrics, University of Washington School of Medicine, Division of Nephrology, Seattle Childrens and the Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Joseph R Angelo
- Renal Section, Baylor College of Medicine, Texas Children's Hospital, Houston, TX, USA
| | - Rita D Swinford
- Department of Pediatrics, Division of Pediatric Nephrology, McGovern Medical School, The University of Texas Health Science Center, Houston, TX, USA
| | - Marie E Steiner
- Department of Pediatrics, University of Minnesota, Minneapolis, MN, USA
| | - Fiorela N Hernandez Tejada
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Paul L Martin
- Department of Pediatrics, Division of Transplant and Cellular Therapy, Duke Children's Hospital, Duke University, Durham, NC, USA
| | - Jeffery Auletta
- Division of Hematology, Oncology, Bone Marrow Transplant and Infectious Diseases, Nationwide Children's Hospital, Ohio State University, Columbus, OH, USA
| | - Sung Won Choi
- Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA
| | - Rajinder Bajwa
- Division of Pediatric Hematology/Oncology/Blood and Marrow Transplantation, Nationwide Children's Hospital, The Ohio State University, Columbus, OH, USA
| | - Natalie Dailey Garnes
- Department of Infectious Disease, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Partow Kebriaei
- Department of Stem Cell Transplantation and Cellular Therapy, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Katayoun Rezvani
- Department of Stem Cell Transplantation and Cellular Therapy, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - William G Wierda
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sattva S Neelapu
- Department of Lymphoma and Myeloma, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Elizabeth J Shpall
- Department of Stem Cell Transplantation and Cellular Therapy, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Selim Corbacioglu
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, University of Regensburg, Regensburg, Germany
| | - Kris M Mahadeo
- Department of Pediatrics, CARTOX Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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16
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Phan M, Chavan R, Beuttler R, Benipayo N, Magedman G, Buchbinder D, Tomaszewski D, Yang S. Evaluating risk factors for acute graft versus host disease in pediatric hematopoietic stem cell transplant patients receiving tacrolimus. Clin Transl Sci 2021; 14:1303-1313. [PMID: 33503293 PMCID: PMC8301588 DOI: 10.1111/cts.12982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/18/2020] [Accepted: 12/03/2020] [Indexed: 11/30/2022] Open
Abstract
To identify the clinical and pharmacological risk factors associated with tacrolimus pharmacodynamics for acute graft‐versus‐host disease (aGVHD) in pediatric patients receiving allogeneic hematopoietic stem cell transplantation (HSCT) from a matched related donor. A retrospective cohort single center chart review study was conducted with pediatric patients who received tacrolimus prophylaxis after allogeneic HSCT between January 1, 2017, and December 31, 2019. Potential risk factors were tested separately between aGVHD and non‐aGVHD cohorts and were further analyzed in a logistic regression model with backward elimination and a partial least squares discriminant analysis. Thirty‐three patient cases were included in our study and 52% (17/33) developed aGVHD while on tacrolimus prophylaxis. When tested independently, donor age and sibling versus parent donor/recipient relation were shown to be statistically significant between aGVHD and non‐aGVHD patients (p < 0.005). Pharmacological factors associated with tacrolimus treatment failed to demonstrate a significant impact on patient’s risk of aGVHD. Using a best fit logistic regression model that tested all the variables together, donor age was the only significant variable predicting patient’s risk of aGVHD (p < 0.01). Donor relationship and donor age were unable to be evaluated separately and are therefore confounding variables. Among pediatric patients receiving allogeneic HSCT, aGVHD risk is significantly decreased by either sibling donor and/or younger donors. Although no conclusions were drawn on the effect of tacrolimus therapy (p = 0.08), results warrant additional research with a larger sample size to evaluate the accuracy of monitoring tacrolimus serum trough levels.
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Affiliation(s)
- Michael Phan
- Department of Pharmacy Practice, Chapman University School of Pharmacy, Irvine, California, USA
| | - Rishikesh Chavan
- The Hyundai Cancer Institute, CHOC Children's Hospital, Orange, California, USA
| | - Richard Beuttler
- Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Irvine, California, USA
| | - Nicole Benipayo
- Chapman University School of Pharmacy, Irvine, California, USA
| | - Grace Magedman
- Department of Pharmacy, CHOC Children's Hospital, Orange, California, USA
| | - David Buchbinder
- The Hyundai Cancer Institute, CHOC Children's Hospital, Orange, California, USA
| | - Daniel Tomaszewski
- Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Irvine, California, USA
| | - Sun Yang
- Department of Pharmacy Practice, Chapman University School of Pharmacy, Irvine, California, USA
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17
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Lawitschka A, Ronceray L, Bauer D, Rittenschober M, Zubarovskaya N, Geyeregger R, Pickl WF, Kuzmina Z. Value of Autoantibody Expression During Long-Term Follow-Up in Paediatric ALL Patients After Allogeneic Haematopoietic Stem Cell Transplantation. Front Pediatr 2021; 9:788360. [PMID: 34993166 PMCID: PMC8724433 DOI: 10.3389/fped.2021.788360] [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: 10/02/2021] [Accepted: 11/24/2021] [Indexed: 11/16/2022] Open
Abstract
Objectives: Chronic graft-versus-host disease (cGvHD) following haematopoietic stem cell transplantation (HSCT) shares many similarities with de novo autoimmune disorders, being associated with the presence of autoantibodies. However, data on the implication of autoantibodies in paediatric HSCT recipients are scarce. In this single-centre study of paediatric patients with acute lymphoblastic leukaemia (ALL) surviving longer than 3 months, our objectives were to evaluate autoantibody expression and investigate the correlation with cGvHD and immune reconstitution using serially monitored parameters. Methods: We investigated circulating autoantibodies together with cellular and humoral parameters [including major T- and B-cell subsets, natural killer (NK) cells, and immunoglobulin levels] in 440 samples from 74 patients (median age 10.9 years, range 2.7-22.2 years) serially during long-term follow-up of median 8 years (range 0.4-19.3 years). Evaluations comprised of patient and transplant characteristics, precisely reviewed details of National Institute of Health (NIH)-defined cGvHD, and outcome data such as relapse, overall survival (OS) and mortality. Analysis of these clinical parameters was performed to identify possible associations. Results: Autoantibodies were detected in 65% (48/74) of patients. Anti-nuclear antibodies were the most common, occurring in 75% (36/48) of patients with autoantibodies. When comparing demographic data and transplant characteristics, there were no significant differences between patients with and without autoantibody expression; 5-year OS was excellent, at 96.4 and 95.8%, respectively. Neither the expression of autoantibodies nor the occurrence of cGvHD correlated with significantly worse OS or relapse rate. Furthermore, there was no significant association between autoantibody profiles and the incidence, overall severity or organ involvement of cGvHD. Patients with autoantibodies showed significantly better immune reconstitution, with overall higher numbers of T cells, B cells, and serum immunoglobulins. In autoantibody-positive patients with cGvHD, autoantibody production positively correlated with the expansion of CD56+ NK cells (236.1 vs. 165.6 × 103 cells/mL, respectively; p = 0.023) and with signs of B-cell perturbation, such as higher CD21low B cells (23.8 vs. 11.8 × 103 cells/mL, respectively; p = 0.044) and a higher ratio of CD21low B cells/CD27+ memory B cells (1.7 vs. 0.4, respectively; p = 0.006) in comparison to autoantibody-positive patients without cGvHD. Furthermore, when assessing the correlation between autoantibody positivity and the activity of cGvHD at time of analysis, indicators of aberrant B-cell homeostasis were substantiated by a lower proportion of CD27+ memory B cells (9.1 vs. 14.9%, respectively; p = 0.028), a higher ratio of class-switched CD27+IgD-/CD27+ memory B cells (3.5 vs. 5.1%, respectively; p = 0.013), significantly elevated numbers of CD21low B cells (36.8 vs. 11.8 × 103 cells/mL, respectively; p = 0.013) and a higher ratio of CD21lowB cells/CD27+ memory B cells (2.4 vs. 0.4, respectively; p = 0.034) in the active vs. the no cGvHD group. We then assessed the potential role of autoantibody expression in the context of elevated CD19+CD21low B cells (cutoff >7%), a well-known marker of cGvHD. Surprisingly we found a significant higher proportion of those cases where elevated CD21low B cells correlated with active cGvHD in samples from the autoantibody-negative group vs. the antibody-positive group (82 vs. 47%, respectively; p = 0.0053). When comparing immune parameters of the large proportion of survivors (89%) with the small proportion of non-survivors (11%), data revealed normalisation within the B-cell compartment of survivors: there were increased numbers of CD27+ memory B cells (54.9 vs. 30.6 × 103 cells/mL, respectively; p = 0.05), class-switched CD27+IgD- B cells (21.2 vs. 5.0 × 103 cells/mL, respectively; p < 0.0001), and immunoglobulin G4 (40.9 vs. 19.4 mg/dL, respectively; p < 0.0001). Overall mortality was significantly associated with an elevated proportion of CD21low B cells (13.4 vs. 8.8%, respectively; p = 0.039) and CD56+ NK cells (238.8 vs. 314.1 × 103 cells/mL, respectively; p = 0.019). In multivariate analysis, better OS was significantly associated with lower numbers of CD56+ NK cells [hazard ratio (HR) 0.98, p = 0.041] and higher numbers of CD27+ memory B cells [(HR) 1.62, p = 0.014]. Conclusion: Our data shows that autoantibody profiles are not suitable biomarkers for diagnosing cGvHD in children or for predicting cGvHD severity, disease course and outcome. We identified a number of indicators of aberrant immune homeostasis associated with active cGvHD in paediatric ALL patients after HSCT. These findings confirm published results and suggest that candidate B cell subpopulations may serve as a surrogate measure for characterisation of cGvHD in paediatric HSCT for malignant diseases, and warrants confirmation in larger, multicentre studies.
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Affiliation(s)
- Anita Lawitschka
- Stem Cell Transplantation Unit, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria.,Children's Cancer Research Institute, Vienna, Austria
| | - Leila Ronceray
- Stem Cell Transplantation Unit, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
| | - Dorothea Bauer
- Stem Cell Transplantation Unit, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
| | - Michael Rittenschober
- Stem Cell Transplantation Unit, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
| | - Natalia Zubarovskaya
- Stem Cell Transplantation Unit, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
| | | | - Winfried F Pickl
- Institute of Immunology, Medical University of Vienna, Vienna, Austria
| | - Zoya Kuzmina
- Pulmonology Department Ottakring Hospital, Medical University of Vienna, Vienna, Austria
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18
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Zubarovskaya N, Bauer D, Ronceray L, Poetschger U, Kurzmann P, Lender C, Kuzmina Z, Lawitschka A. To Lighten the Burden of Cure: Thyroid Disease in Long-Term Survivors After TBI Conditioning for Paediatric ALL. Front Pediatr 2021; 9:798974. [PMID: 35127596 PMCID: PMC8809136 DOI: 10.3389/fped.2021.798974] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 12/20/2021] [Indexed: 01/29/2023] Open
Abstract
Thyroid disorders are well-studied after allogeneic haematopoietic stem cell transplantation (HSCT) following total body irradiation (TBI)-based conditioning, occurring in 15-30% of paediatric survivors. The toxic effect of TBI is known but data on the role of immunological dysregulation (ID) and chronic graft-versus-host-disease (cGvHD) are scarce. We studied functional and structural thyroid disorders in 97 paediatric ALL patients after TBI-based HSCT, assessing their correlation with patient/transplant characteristics including cGvHD, prolonged immunosuppression and ID. The 10- and 15-year cumulative incidence (CI) of functional disorders was 50 and 60%. Univariate analysis revealed TBI in 6 vs. 8 fractions (p = 0.01), an interval between ALL diagnosis and HSCT <1 year (p = 0.038), and the application of ATG (p = 0.044) as risk factors. The 10- and 15-year CI of structural disorders was 60 and 80%. No correlation between patient/transplant characteristics and structural disorders was observed. cGvHD, prolonged immunosuppression and additional radiotherapy were not associated with any thyroid disease. We observed a significant correlation between ID and the development of thyroid dysfunction in patients with structural changes (10-year CI: 77% for patients with ID vs. 56% without ID, p = 0.02). The impact of our results on thyroid follow-up evaluations and the significance of hormonal replacement therapy are discussed.
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Affiliation(s)
- Natalia Zubarovskaya
- Stem Cell Transplantation Unit, St. Anna Children's Hospital, Medical University Vienna, Vienna, Austria
| | - Dorothea Bauer
- Stem Cell Transplantation Unit, St. Anna Children's Hospital, Medical University Vienna, Vienna, Austria
| | - Leila Ronceray
- Stem Cell Transplantation Unit, St. Anna Children's Hospital, Medical University Vienna, Vienna, Austria
| | | | | | - Carina Lender
- Department of Pediatrics, St. Anna Children's Hospital, Medical University Vienna, Vienna, Austria
| | - Zoya Kuzmina
- Pulmonology Department, Ottakring Hospital, Vienna, Austria
| | - Anita Lawitschka
- Stem Cell Transplantation Unit, St. Anna Children's Hospital, Medical University Vienna, Vienna, Austria.,St. Anna Children's Cancer Research Institute, Vienna, Austria
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Mårtensson T, Szakos A, Mellgren K, Toporski J, Arvidson J, Mattsson J, Gustafsson B, Casswall TH. Diagnostic disagreement between clinical standard histopathological- and retrospective assessment of histopathology-based gastrointestinal graft-versus-host disease in children. Pediatr Transplant 2020; 24:e13824. [PMID: 33085820 DOI: 10.1111/petr.13824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 07/20/2020] [Accepted: 07/23/2020] [Indexed: 01/11/2023]
Abstract
BACKGROUND No previous paediatric study has evaluated the frequency of diagnostic disagreement between clinical standard histopathological assessment (CSHA) and retrospective, independent, histopathological assessment (RIHA) of gastrointestinal Graft-Versus-Host Disease (GI-GVHD) METHODS: In a retrospective cohort study, based on gastrointestinal biopsies collected from allogeneic HSCT-treated children (<18 years) with symptom-based GI-GVHD, we evaluated; disagreement of histopathology-based GI-GVHD diagnosis in CSHA vs RIHA, and potential clinical consequences of differences between the assessments. The CSHA-based diagnoses were retrieved from histopathology reports. The RIHA was performed by one pathologist, blinded to the CSHA outcomes and based on the minimal criteria for histopathology-based GI-GVHD diagnosis by the NIH 2014. RESULTS Seventy children with 92 endoscopic occasions (including 22 re-endoscopies) were enrolled. GI-GVHD was observed in 73% (67/92) of the endoscopies in the RIHA and in 54% (50/92) in the CSHA (P = .014). The RIHA confirmed 94% (47/50) with GI-GVHD and 52% (22/42) with non-GI-GVHD diagnoses, established in the CSHA. Disagreement, that is endoscopic occasions with GI-GVHD solely detected in RIHA or detection of GI-GVHD in CSHA but not in RIHA, was observed in 20/42 (48%) and 3/50 (6%), respectively (McNemar's test, P = .0008). The risk of a subsequent re-endoscopy was higher in endoscopic occasions with GI-GVHD detected in RIHA but not in CSHA vs if non-GI-GVHD were detected in both readings (P = .005). CONCLUSION Our results suggest that in children with symptom-based GI-GVHD without histopathological confirmation in CSHA, a second, NIH 2014 based histopathological assessment should be considered before performing a re-endoscopy.
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Affiliation(s)
- Thomas Mårtensson
- Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
| | - Attila Szakos
- Department of Clinical Pathology and Cytology, Karolinska University Hospital, Stockholm, Sweden
| | - Karin Mellgren
- Department of Pediatric Oncology, Region Västra Götaland, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Jacek Toporski
- Department of Pediatrics, Skåne University Hospital, Lund, Sweden
| | - Johan Arvidson
- Department of Women´s and Children´s Health, Uppsala University Children´s Hospital, Uppsala, Sweden
| | - Jonas Mattsson
- Department of Oncology and Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Britt Gustafsson
- Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
| | - Thomas H Casswall
- Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
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20
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Masetti R, Zama D, Leardini D, Muratore E, Turroni S, Prete A, Brigidi P, Pession A. The gut microbiome in pediatric patients undergoing allogeneic hematopoietic stem cell transplantation. Pediatr Blood Cancer 2020; 67:e28711. [PMID: 32939928 DOI: 10.1002/pbc.28711] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 12/14/2022]
Abstract
The gut microbiome (GM) has been associated with different clinical outcomes in the context of allogeneic hematopoietic stem cell transplantation (HSCT). Large multicenter cohort studies in adults have found significant correlations with overall survival, relapse, and incidence of complications. Moreover, GM is already a promising target for therapeutic interventions. However, few data are available in children, a population presenting unique features and challenges. During childhood, the GM evolves rapidly with large structural fluctuations, alongside with the maturation of the immune system. Furthermore, the HSCT procedure presents significant differences in children. These considerations underline the importance of a specific focus on the pediatric setting, and the role of GM and its age-dependent trajectory in influencing the immunity reconstitution and clinical outcomes. This review provides a comprehensive overview of the available evidence in the field of GM and pediatric HSCT, highlighting age-specific issues and discussing GM-based therapeutic approaches.
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Affiliation(s)
- Riccardo Masetti
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli," Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Bologna, Italy
| | - Daniele Zama
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli," Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Bologna, Italy
| | - Davide Leardini
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli," Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Bologna, Italy
| | - Edoardo Muratore
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli," Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Bologna, Italy
| | - Silvia Turroni
- Unit of Microbial Ecology of Health, Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Arcangelo Prete
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli," Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Bologna, Italy
| | - Patrizia Brigidi
- Department of Medicine and Surgery (DIMEC), University of Bologna, Bologna, Italy
| | - Andrea Pession
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli," Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Bologna, Italy
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21
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Posterior Reversible Encephalopathy Syndrome after Allogeneic Stem Cell Transplantation in Pediatric Patients with Fanconi Anemia, a Prospective Study. Biol Blood Marrow Transplant 2020; 26:e316-e321. [PMID: 32860910 DOI: 10.1016/j.bbmt.2020.08.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 07/20/2020] [Accepted: 08/16/2020] [Indexed: 12/15/2022]
Abstract
Posterior reversible encephalopathy syndrome (PRES) is one of the most common neurologic complications following hematopoietic stem cell transplantation (HSCT). We aimed to evaluate the incidence, clinical, and imaging features of PRES in pediatric patients with Fanconi anemia (FA) following HSCT. This prospective study included all post-HSCT patients with underlying FA disease between 2014 and 2017. Brain computed tomography scan and magnetic resonance imaging (MRI) were performed in all individuals who developed neurologic symptoms. PRES was diagnosed based on clinic-radiological evidence. Follow-up MRI was performed in all patients with PRES within two months. Forty-one patients with FA (28 males; mean age, 8.19 ± 3.25 years) were enrolled. Out of 15 patients with acute neurologic symptoms, PRES was diagnosed in 9 individuals (21.95% of the total cohort). The occurrence of PRES was significantly higher in patients who had a donor with a 1-locus mismatch (P= .02). Donor relation, stem cell source, and graft-versus-host disease grade did not have any significant association with the development of PRES. MRI showed asymmetric vasogenic edema in 5 patients, an overt infarct in 1 patient, and foci of microhemorrhages in 3 patients, 1 of whom developed a hemorrhagic infarct. This patient died shortly, and persistent microhemorrhages were noted in the other 2 patients. Our findings demonstrate a greater risk of developing PRES after HSCT in patients with FA compared with those with other diseases (21.95% versus 1% to 10%), and in contrast to its term, it might be irreversible and has adverse effects on HSCT outcomes. The increased vascular and endothelial fragility in FA may contribute to the higher frequency of PRES in these individuals.
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22
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Szmit Z, Kośmider-Żurawska M, Król A, Łobos M, Miśkiewicz-Bujna J, Zielińska M, Kałwak K, Mielcarek-Siedziuk M, Salamonowicz-Bodzioch M, Frączkiewicz J, Ussowicz M, Owoc-Lempach J, Gorczyńska E. Factors affecting survival in children requiring intensive care after hematopoietic stem cell transplantation. A retrospective single-center study. Pediatr Transplant 2020; 24:e13765. [PMID: 32558076 DOI: 10.1111/petr.13765] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 05/18/2020] [Accepted: 05/20/2020] [Indexed: 12/18/2022]
Abstract
Allo-HSCT is associated with life-threatening complications. Therefore, a considerable number of patients require admission to a PICU. We evaluated the incidence and outcome of PICU admissions after allo-HSCT in children, along with the potential factors influencing PICU survival. A retrospective chart review of 668 children who underwent first allo-HSCT in the Department of Pediatric Hematology/Oncology and BMT in Wrocław during years 2005-2017, particularly focusing on patients admitted to the PICU within 1-year post-HSCT. Fifty-eight (8.7%) patients required 64 admissions to the PICU. Twenty-four (41.5%) were discharged, and 34 (58.6%) patients died. Among the discharged patients, 6-month survival was 66.7%. Compared with survivors, death cases were more likely to have required MV (31/34; 91.2% vs. 16/24; 66.7% P = .049), received more aggressive cardiac support (17/34; 50% vs. 2/24; 8.3% P = .002), and had a lower ANC on the last day of their PICU stay (P = .004). Five patients were successfully treated with NIV and survived longer than 6 months post-discharge. The intensity of cardiac support and ANC on the last day of PICU treatment was independent factors influencing PICU survival. Children admitted to the PICU after allo-HSCT have a high mortality rate. Mainly those who needed a more aggressive approach and had a lower ANC on the last day of treatment had a greater risk of death. While requiring MV is associated with decreased PICU survival, early implementation of NIV might be considered.
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Affiliation(s)
- Zofia Szmit
- Department of Pediatric Hematology/Oncology and BMT, Supraregional Center of Pediatric Oncology "Cape of Hope", Wrocław Medical University, Wrocław, Poland.,Department of Anesthesiology and Intensive Care, Wrocław Medical University, Wrocław, Poland
| | | | - Anna Król
- Department of Pediatric Hematology/Oncology and BMT, Supraregional Center of Pediatric Oncology "Cape of Hope", Wrocław Medical University, Wrocław, Poland
| | - Monika Łobos
- Department of Pediatric Hematology/Oncology and BMT, Supraregional Center of Pediatric Oncology "Cape of Hope", Wrocław Medical University, Wrocław, Poland
| | - Justyna Miśkiewicz-Bujna
- Department of Pediatric Hematology/Oncology and BMT, Supraregional Center of Pediatric Oncology "Cape of Hope", Wrocław Medical University, Wrocław, Poland
| | - Marzena Zielińska
- Department of Anesthesiology and Intensive Care, Wrocław Medical University, Wrocław, Poland
| | - Krzysztof Kałwak
- Department of Pediatric Hematology/Oncology and BMT, Supraregional Center of Pediatric Oncology "Cape of Hope", Wrocław Medical University, Wrocław, Poland
| | - Monika Mielcarek-Siedziuk
- Department of Pediatric Hematology/Oncology and BMT, Supraregional Center of Pediatric Oncology "Cape of Hope", Wrocław Medical University, Wrocław, Poland
| | - Małgorzata Salamonowicz-Bodzioch
- Department of Pediatric Hematology/Oncology and BMT, Supraregional Center of Pediatric Oncology "Cape of Hope", Wrocław Medical University, Wrocław, Poland
| | - Jowita Frączkiewicz
- Department of Pediatric Hematology/Oncology and BMT, Supraregional Center of Pediatric Oncology "Cape of Hope", Wrocław Medical University, Wrocław, Poland
| | - Marek Ussowicz
- Department of Pediatric Hematology/Oncology and BMT, Supraregional Center of Pediatric Oncology "Cape of Hope", Wrocław Medical University, Wrocław, Poland
| | - Joanna Owoc-Lempach
- Department of Pediatric Hematology/Oncology and BMT, Supraregional Center of Pediatric Oncology "Cape of Hope", Wrocław Medical University, Wrocław, Poland
| | - Ewa Gorczyńska
- Department of Pediatric Hematology/Oncology and BMT, Supraregional Center of Pediatric Oncology "Cape of Hope", Wrocław Medical University, Wrocław, Poland
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23
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Walther S, Rettinger E, Maurer HM, Pommerening H, Jarisch A, Sörensen J, Schubert R, Berres M, Bader P, Zielen S, Jerkic SP. Long-term pulmonary function testing in pediatric bronchiolitis obliterans syndrome after hematopoietic stem cell transplantation. Pediatr Pulmonol 2020; 55:1725-1735. [PMID: 32369682 DOI: 10.1002/ppul.24801] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 04/16/2020] [Indexed: 12/19/2022]
Abstract
RATIONALE Bronchiolitis obliterans syndrome (BOS) is a severe, chronic inflammation of the airways leading to an obstruction of the bronchioles. So far, there are only a few studies looking at the long-term development of pulmonary impairment in children with BOS. OBJECTIVE The objective of this study was to investigate the incidence and long-term outcome of BOS in children who underwent allogeneic hematopoietic stem cell transplantation (HSCT). METHODS Medical charts of 526 children undergoing HSCT in Frankfurt/Main, Germany between 2000 and 2017 were analyzed retrospectively and as a result, 14 patients with BOS were identified. A total of 271 lung functions (spirometry and body plethysmography), 26 lung clearance indices (LCI), and 46 chest high-resolution computed tomography (HRCT) of these 14 patients with BOS were evaluated. RESULTS Fourteen patients suffered from BOS after HSCT (2.7%), whereby three distinctive patterns of lung function impairment were observed: three out of 14 patients showed a progressive lung function decline; two died and one received a lung transplant. In five out of 14 patients with BOS persisted with a severe obstructive and secondarily restrictive pattern in lung function (forced vital capacity [FVC] < 60%, forced expiratory volume in 1 second [FEV1] < 50%, and FEV1/FVC < 0.7) and increased LCI (11.67-20.9), six out of 14 patients recovered completely after moderate lung function impairment and signs of BOS on HRCT. Long-term FVC in absolute numbers was increased indicating that the children still have lung growth. CONCLUSION Our results showed that the incidence of BOS in children is low. BOS was associated with high mortality and may lead to persistent obstructive lung disease; although, lung growth continued to exist.
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Affiliation(s)
- Sophie Walther
- Division of Allergology Pulmonology and Cystic fibrosis, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Eva Rettinger
- Division for Stem Cell Transplantation and Immunology, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Hannah Miriam Maurer
- Division of Allergology Pulmonology and Cystic fibrosis, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Helena Pommerening
- Division of Allergology Pulmonology and Cystic fibrosis, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Andrea Jarisch
- Division for Stem Cell Transplantation and Immunology, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Jan Sörensen
- Division for Stem Cell Transplantation and Immunology, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Ralf Schubert
- Division of Allergology Pulmonology and Cystic fibrosis, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Martin Berres
- Department of Diagnostic and Interventional Radiology, Goethe University, Frankfurt, Germany
| | - Peter Bader
- Division for Stem Cell Transplantation and Immunology, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Stefan Zielen
- Division of Allergology Pulmonology and Cystic fibrosis, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Silvija Pera Jerkic
- Division of Allergology Pulmonology and Cystic fibrosis, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
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García-Romero MT, Sáez-de-Ocariz M, Hernández-Zepeda C, Reyes M, García de la Puente S, Ridaura-Sanz C, López-Hernández G, Olaya-Vargas A. Early clinical, histological, and immunohistochemical findings in suspected acute graft-versus-host disease and their association with patient outcomes. Pediatr Dermatol 2020; 37:613-621. [PMID: 32242989 DOI: 10.1111/pde.14152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND/OBJECTIVES Acute graft-versus-host disease (aGVHD) is a serious condition after allogeneic hematopoietic stem cell transplantation (HSCT), frequently involving skin, gut, and liver. It can be difficult to diagnose early, yet this is vital for adequate management. We sought to identify initial clinical and histopathological features in children with suspected GVHD and the association with clinical course and outcomes. METHODS Retrospective study of patients with skin biopsies for suspected aGVHD from 2006 to 2016. We collected demographic and clinical information, histologic, and immunohistochemical (IHC) findings, and outcomes during follow-up. Bivariate and multivariate analyses were done to identify risk factors associated with remission, development of severe/life-threatening aGVHD, and mortality. RESULTS We included 42 patients, 15 females. Skin manifestations occurred 51 days (median) after HSCT. On biopsy, 76.2% had mild (stage 1-2) skin aGVHD; during the course of the disease, severity and systemic involvement increased to global grade III/IV in 66.6%. All patients received treatment; 15 are in remission from aGVHD and 23 have died. Histologic features were diagnostic in 83.3%. On bivariate and multivariate analysis, we identified initial clinical and histologic findings that were associated with the measured outcomes: odds of remission from aGVHD were increased when focal vacuolar changes were found on skin biopsy (OR 6.028; 95%CI:1.253-28.992) but decreased by initial hepatic aGVHD (OR 0.112; 95%CI: 0.017-0.748); severe/life-threatening aGVHD was associated with initial gastrointestinal aGVHD (OR 6.054; 95%CI:1.257-29.159); and odds of mortality were decreased with male donor (OR 0.056; 95%CI:0.004-0.804), nulliparous female donor (OR 0.076; 95%CI:0.009-0.669), and focal vacuolar changes on skin biopsy (OR 0.113; 95%CI:0.017-0.770). CONCLUSIONS We found novel indicators predictive of remission, severity, and mortality in children with aGVHD. Further studies of this condition in children are needed.
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Affiliation(s)
| | | | | | - Montserrat Reyes
- Department of Pathology, National Institute for Pediatrics, Mexico City, Mexico
| | | | | | - Gerardo López-Hernández
- Department of Hematopoietic Stem Cell Transplantation, National Institute for Pediatrics, Mexico City, Mexico
| | - Alberto Olaya-Vargas
- Department of Hematopoietic Stem Cell Transplantation, National Institute for Pediatrics, Mexico City, Mexico
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25
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Gonzalez RM, Pidala J. Evolving Therapeutic Options for Chronic Graft‐versus‐Host Disease. Pharmacotherapy 2020; 40:756-772. [DOI: 10.1002/phar.2427] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 04/04/2020] [Accepted: 04/13/2020] [Indexed: 12/17/2022]
Affiliation(s)
- Rebecca M. Gonzalez
- Department of Blood & Marrow Transplant and Cellular Immunotherapy (BMT CI) Moffitt Cancer Center Tampa Florida USA
- Department of Pharmacy Moffitt Cancer Center Tampa Florida USA
| | - Joseph Pidala
- Department of Blood & Marrow Transplant and Cellular Immunotherapy (BMT CI) Moffitt Cancer Center Tampa Florida USA
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26
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Mårtensson T, Mellgren K, Toporski J, Arvidson J, Szakos A, Casswall TH, Gustafsson B. Clinical relevance of endoscopy with histopathological assessment in children with suspected gastrointestinal graft-versus-host disease. Clin Transplant 2020; 34:e13867. [PMID: 32248590 DOI: 10.1111/ctr.13867] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 03/23/2020] [Accepted: 03/25/2020] [Indexed: 12/22/2022]
Abstract
Endoscopy with histopathological assessment is an established practice to confirm gastrointestinal graft-versus-host disease (GI-GVHD). However, the clinical relevance of this approach in children is incompletely evaluated. In a retrospective cohort study, we investigated the frequency of treatment changes in response to histopathological findings in all children (<18 years) in Sweden who underwent endoscopy for suspected GI-GVHD (2000-2013) after receiving hematopoietic stem cell transplantation. Sixty-eight children with ninety-one endoscopic occasions were enrolled. At the time of endoscopy, anti-GI-GVHD treatment was ongoing in 71% (65/91). In 18% (12/65) with ongoing treatment, no histopathological evidence of GI-GVHD or another cause to justify anti-GI-GVHD treatment was found. In 48% (44/91), endoscopy with histopathological assessment led to changes in the treatment regimen. Re-endoscopy was more frequent among those with treatment changes, versus unchanged treatment, 39% (17/44) and 13% (6/47), respectively (P = .007). Histopathological findings generating treatment changes were as follows: GI-GVHD in 68% (30/44), normal histology in 25% (11/44), and an alternative diagnosis in 7% (3/44). In conclusion, this study supports that endoscopy with histopathological assessment should be considered in all children with suspected GI-GVHD.
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Affiliation(s)
- Thomas Mårtensson
- Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
| | - Karin Mellgren
- Department of Pediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jacek Toporski
- Department of Pediatrics, Skåne University Hospital, Lund, Sweden
| | - Johan Arvidson
- Department of Women´s and Children´s Health, Uppsala University Children's Hospital, Uppsala, Sweden
| | - Attila Szakos
- Department of Clinical Pathology and Cytology, Karolinska University Hospital, Stockholm, Sweden
| | - Thomas H Casswall
- Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
| | - Britt Gustafsson
- Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
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Lawitschka A, Lucchini G, Strahm B, Dalle JH, Balduzzi A, Gibson B, Diaz De Heredia C, Wachowiak J, Dalissier A, Vettenranta K, Yaniv I, Bordon V, Bauer D, Bader P, Meisel R, Peters C, Corbacioglu S. Pediatric acute graft-versus-host disease prophylaxis and treatment: surveyed real-life approach reveals dissimilarities compared to published recommendations. Transpl Int 2020; 33:762-772. [PMID: 32133691 PMCID: PMC7384018 DOI: 10.1111/tri.13601] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 01/06/2020] [Accepted: 02/28/2020] [Indexed: 12/22/2022]
Abstract
Pediatric allogeneic hematopoietic cell transplantation (HCT) practices differ from those of adults, particularly the heterogeneity of transplantable nonmalignant diseases and the lower incidence of graft‐versus‐host disease (GVHD). Several guidelines regarding the management of acute (a) GVHD in adult HCT have been published. We aimed to capture the real‐life approaches for pediatric aGVHD prophylaxis/treatment, and data from 75/193 (response rate 39%) EBMT centers (26 countries) were included, representing half (48%) of the pediatric EBMT‐HCT activity. Results with ≥75% approval from respondents (74/75) for GVHD prophylaxis after myeloablative HCT for malignancies partially contradict published guidelines: Single‐agent cyclosporine A (CsA) was used for matched sibling donor HCT in 47%; blood CsA levels were reported lower; the relapse risk in malignant diseases influenced GVHD prophylaxis with early withdrawal of CsA; distinct longer duration of CsA was employed in nonmalignant diseases. Most centers used additional anti‐thymocyte globulin for matched unrelated and mismatched donor HCT, but not for matched siblings. Regarding prophylaxis in nonmyeloablative conditioning (mainly for nonmalignant diseases), responses showed broad heterogeneity. High conformity was found for first‐line treatment; however, results regarding steroid‐refractory aGVHD indicate an earlier diagnosis in children. Our findings highlight the need for standardized pediatric approaches toward aGVHD prophylaxis/treatment differentiated for malignant and nonmalignant underlying diseases.
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Affiliation(s)
- Anita Lawitschka
- SCT-Unit, St. Anna Children's Hospital, Medical University Vienna, Vienna, Austria
| | - Giovanna Lucchini
- Stem Cell Transplantation Department, Great Ormond Street Hospital, London, UK
| | - Brigitte Strahm
- Division of Pediatric Hematology, and Oncology, Department of Pediatrics and Adolescent Medicine, Medical Centre, University of Freiburg, Freiburg im Breisgau, Germany
| | - Jean-Hugues Dalle
- Hemato-Immunology Department, Robert Debré Hospital, Paris, France.,Immuno-Hematology Unit, Robert Debré Hospital, Paris 7 - Paris Diderot University, Paris, France
| | - Adriana Balduzzi
- Clinica Pediátrica, Università degli Studi di Milano Bicocca, Monza, Italy
| | - Brenda Gibson
- Brenda E.S. Gibson, Royal Hospital for Sick Children, Glasgow, UK
| | | | - Jacek Wachowiak
- Department of Pediatric Oncology, Hematology and Transplantology, University of Medical Sciences, Poznan, Poland
| | - Arnaud Dalissier
- EBMT Pediatric Diseases Working Party Office, Hematology and Cell Therapy Department, Saint-Antoine Teaching Hospital, Paris, France
| | - Kim Vettenranta
- Hospital for Children & Adolescents, University of Helsinki, Helsinki, Finland
| | - Isaac Yaniv
- Department of Pediatric Haematology Oncology and BMT Unit, Sackler Faculty of Medicine, Schneider Children's Medical Center of Israel, Tel Aviv University, Tel Aviv-Yafo, Israel
| | - Victoria Bordon
- Pediatric Hematology, Oncology and Stem Cell Transplantation, Ghent University Hospital, Ghent, Belgium
| | - Dorothea Bauer
- SCT-Unit, St. Anna Children's Hospital, Medical University Vienna, Vienna, Austria
| | - Peter Bader
- Division for Stem Cell Transplantation, University Children's Hospital, Frankfurt/Main, Germany
| | - Roland Meisel
- Division of Pediatric Stem Cell Therapy, Clinic for Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich-Heine-University, Duesseldorf, Germany
| | - Christina Peters
- SCT-Unit, St. Anna Children's Hospital, Medical University Vienna, Vienna, Austria
| | - Selim Corbacioglu
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, University of Hospital Regensburg, Regensburg, Germany
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28
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Vogelsang V, Kruchen A, Wustrau K, Spohn M, Müller I. Influence of anti-thymocyte globulin plasma levels on outcome parameters in stem cell transplanted children. Int Immunopharmacol 2020; 83:106371. [PMID: 32197227 DOI: 10.1016/j.intimp.2020.106371] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 02/26/2020] [Accepted: 03/02/2020] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Allogenic hematopoietic stem cell transplantation is a curative option for malignant and non-malignant pediatric diseases. Serotherapy is often employed to avoid graft-versus-host disease (GvHD) on one hand and graft rejection on the other hand. Therapeutic drug monitoring is increasingly used to allow for more precise dosing especially in pediatric patients due to their specific pharmacological characteristics. Application of T-cell directed antibodies is not routinely monitored, but may benefit from more precise dosing regimens. METHODS Two different preparations of rabbit anti-thymocyte globulin (rATG), Thymoglobuline® and ATG-F (Grafalon®), are frequently used to prevent GvHD in pediatric patients by in vivo T-cell depletion. Total rATG levels and active rATG levels were analyzed prospectively in pediatric patients undergoing HSCT. Clinical and laboratory outcome parameters were recorded. RESULTS rATG levels were measured in 32 patients, 22 received thymoglobuline and 10 received ATG-F. The median total peak plasma level was 419.0 µg/ml for ATG-F and 60.4 µg/ml for thymoglobuline. For ATG-F, exposure could be predicted from the calculated dose more precisely than for thymoglobuline. Active peak plasma levels neither of ATG-F, nor of thymoglobuline correlated significantly with the number of lymphocytes prior to serotherapy. There was no significant difference in incidence of aGvHD, cGvHD, rejection, mixed chimerism or viral infections in the two cohorts. However, in our cohort, patients with high thymoglobuline exposure showed a compromised reconstitution of T cells. CONCLUSIONS ATG-F and thymoglobuline show different pharmacological and immunological impact in children, whose clinical significance needs to be investigated in larger cohorts.
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Affiliation(s)
- Valentina Vogelsang
- University Medical Center Hamburg-Eppendorf, Division of Pediatric Stem Cell Transplantation and Immunology, Germany
| | - Anne Kruchen
- University Medical Center Hamburg-Eppendorf, Division of Pediatric Stem Cell Transplantation and Immunology, Germany
| | - Katharina Wustrau
- University Medical Center Hamburg-Eppendorf, Division of Pediatric Stem Cell Transplantation and Immunology, Germany
| | - Michael Spohn
- Research Institute Children's Cancer Center Hamburg and Bioinformatics Core, University Medical Center Hamburg-Eppendorf, Germany
| | - Ingo Müller
- University Medical Center Hamburg-Eppendorf, Division of Pediatric Stem Cell Transplantation and Immunology, Germany.
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29
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Erez DL, Denburg MR, Afolayan S, Jodele S, Wallace G, Davies SM, Seif AE, Bunin N, Laskin BL, Sullivan KE. Acute Kidney Injury in Children after Hematopoietic Cell Transplantation Is Associated with Elevated Urine CXCL10 and CXCL9. Biol Blood Marrow Transplant 2020; 26:1266-1272. [PMID: 32165324 DOI: 10.1016/j.bbmt.2020.02.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/23/2020] [Accepted: 02/27/2020] [Indexed: 02/07/2023]
Abstract
Acute kidney injury (AKI) is nearly universally associated with worse outcomes, especially among children after hematopoietic stem cell transplant (HCT). Our objective was to examine urinary immune biomarkers of AKI after HCT to provide insights into novel mechanisms of kidney injury in this population. Studying patients undergoing allogeneic HCT provides a unique opportunity to examine immune markers of AKI because the risk of AKI is high and the immune system newly develops after transplant. Children (>2 years old) and young adults undergoing their first allogeneic HCT and enrolled in a prospective, observational cohort study at 2 large children's hospitals had urine collected pre-HCT and monthly for the first 4 months after HCT. Urine samples at each monthly time point were assayed for 8 immune-related biomarkers. AKI was defined as a 1.5-fold increase in the monthly serum creatinine value, which was recorded ±1 day from when the research urine sample was obtained, as compared with the pre-HCT baseline. Generalized estimating equation regression analysis evaluated the association between the monthly repeated measures (urinary biomarkers and AKI). A total of 176 patients were included from 2 pediatric centers. Thirty-six patients from 1 center were analyzed as a discovery cohort and the remaining 140 patients from the second center were analyzed as a validation cohort. AKI rates were 18% to 35% depending on the monthly time point after HCT. Urine CXCL10 and CXCL9 concentrations were significantly higher among children who developed AKI compared with children who did not (P < .01) in both cohorts. In order to gain a better understanding of the cellular source for these biomarkers in the urine, we also analyzed in vitro expression of CXCL10 and CXCL9 in kidney cell lines after stimulation with interferon-γ and interferon-α. HEK293-epithelial kidney cells demonstrated interferon-induced expression of CXCL10 and CXCL9, suggesting a potential mechanism driving the key finding. CXCL10 and CXCL9 are associated with AKI after HCT and are therefore promising biomarkers to guide improved diagnostic and treatment strategies for AKI in this high-risk population.
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Affiliation(s)
- Daniella Levy Erez
- Division of Nephrology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
| | - Michelle R Denburg
- Division of Nephrology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Simisola Afolayan
- Division of Nephrology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Sonata Jodele
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Gregory Wallace
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Stella M Davies
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Alix E Seif
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Nancy Bunin
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Benjamin L Laskin
- Division of Nephrology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Kathleen E Sullivan
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Immunology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
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30
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Mismatched related vs matched unrelated donors in TCRαβ/CD19-depleted HSCT for primary immunodeficiencies. Blood 2020; 134:1755-1763. [PMID: 31558465 DOI: 10.1182/blood.2019001757] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Accepted: 08/28/2019] [Indexed: 11/20/2022] Open
Abstract
TCRαβ+/CD19+ graft depletion effectively prevents graft-versus-host disease (GVHD). In the current study, we compared the outcomes of hematopoietic stem cell transplantation (HSCT) with TCRαβ+/CD19+ depletion from matched unrelated donors (MUDs) and mismatched related donors (MMRDs) in patients with primary immunodeficiency (PID). A total of 98 pediatric patients with various PIDs underwent HSCT with TCRαβ+/CD19+ graft depletion from MUDs (n = 75) and MMRDs (n = 23). All patients received a fludarabine-/treosulfan-based conditioning regimen, with 73 also receiving a second alkylating agent. For GVHD prophylaxis, all but 2 received serotherapy (antithymocyte globulin) before HSCT and a short course of posttransplant immunosuppression. Neutrophil and platelet engraftment in both the MUD and MMRD groups occurred on days 14 and 13, respectively. The incidence of secondary graft failure was 0.16 and 0.17 (P = .85), respectively. The cumulative incidence of acute GVHD grade 2 to 4 was 0.17 in the MUD group and 0.22 in the MMRD group (P = .7). The incidence of cytomegalovirus (CMV) viremia was 0.5 in the MUD group and 0.6 in the MMRD group (P = .35). The frequency of CMV disease was high (17%), and the most common manifestation was retinitis. The kinetics of immune recovery was similar in both groups. The overall survival was 0.86 in the MUD group and 0.87 in the MMRD group (P = .95). In our experience, there was no difference in the outcomes of HSCT performed from MUD and MMRD. Hence, given the immediate availability of donors, in the absence of HLA-identical siblings, HSCT with TCRαβ+/CD19+ graft depletion from MMRDs can be considered as the first choice in patients with PID.
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31
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Abstract
Pediatric T-cell hematologic malignancies are a diverse group of rare cancers. The most common pediatric T-cell malignancies include T-cell acute lymphoblastic leukemia (T-ALL) and anaplastic large cell lymphoma (ALCL). Although the overall survival rates have improved markedly in recent years, children with relapsed T-ALL and ALCL have very low rates of cure and few salvage therapies exist. Current treatment regimens rely on toxic chemotherapies with significant short- and long-term morbidity. Immunotherapies, including antibodies and adoptive cellular therapies, have revolutionized the treatment of B-cell malignancies in pediatrics. The adaptation of these therapies to T-cell malignancies has been slower because of challenges implicit in the design and implementation of immunotherapies for T-cell malignancies, including the potential risks of fratricide, immunosuppression, and graft versus host disease (GVHD). We present a review of current challenges in the development of immunotherapies for T-cell hematologic malignancies, potential solutions and therapies under investigation. We include a particular focus on T-ALL and ALCL. Immunotherapies offer promising strategies to improve outcomes in children with T-cell malignancies, particularly in the setting of relapse. Optimizing efficacy, mitigating toxicity, and safely integrating with conventional therapies are key considerations as immunotherapies are translated into the clinic.
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Affiliation(s)
- Caroline Diorio
- Division of Oncology, Department of Pediatrics, Center for Childhood Cancer Research, Children's Hospital of Philadelphia and Pereleman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - David T Teachey
- Division of Oncology, Department of Pediatrics, Center for Childhood Cancer Research, Children's Hospital of Philadelphia and Pereleman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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32
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Düver F, Weißbrich B, Eyrich M, Wölfl M, Schlegel PG, Wiegering V. Viral reactivations following hematopoietic stem cell transplantation in pediatric patients - A single center 11-year analysis. PLoS One 2020; 15:e0228451. [PMID: 32017805 PMCID: PMC6999888 DOI: 10.1371/journal.pone.0228451] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Accepted: 01/15/2020] [Indexed: 12/18/2022] Open
Abstract
Viral reactivation occurs frequently in the context of immunodeficiency and immunosuppression after allogeneic hematopoietic stem cell transplantation (allo-HSCT) and can cause severe complications. The aim of this single-center retrospective analysis was to characterize viral infections in the first year after HSCT, to investigate risk factors and to study the impact of viral infections on transplantation outcome. This will facilitate the identification of at-risk patients and the development of new preventive strategies. 107 pediatric allo-HSCT from January 2005 through December 2015 were analyzed for infections with Epstein-Barr virus (EBV), cytomegalovirus (CMV), human herpesvirus 6 (HHV-6), adenovirus (ADV), herpes simplex virus (HSV) and varicella zoster virus (VZV). Viral infections were detected after 68.2% of transplantations. The viruses most commonly encountered were HHV-6 (36/107) and EBV (30/107). Severe viral disease was rare (7/107) and none of the patients died as result of viral reactivation. Important risk factors for viral infections were higher age at HSCT, donor type and occurrence of acute graft-versus-host disease (aGvHD). Especially for EBV, transplant from an unrelated donor and in-vivo T-cell depletion (TCD) had a significant effect on infection rates, whereas for CMV the strongest effect was seen by donor and recipient serostatus with recipient seropositivity most predictive for reactivation. The occurrence of severe aGvHD was associated with EBV and ADV infections. For HSV, the recipient serostatus was identified as prognostic factor for HSV infections, while we found higher age at time of HSCT as risk factor for VZV infections. The overall survival of patients with or without viral infections did not differ significantly. Interestingly, when looking at the 85 patients in our cohort who had received an HSCT for a malignant disease, a tendency towards lower relapse rates was seen in patients affected by viral infections (HR 0.51, 95% CI 0.25 - 1.06, p = 0.072). Viral reactivations are common after pediatric allo-HSCT, though severe complications were rare in our collective. Determining risk factors for viral reactivations may help to identify patients in need of intensified monitoring and to individualize preventive strategies.
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Affiliation(s)
- Franziska Düver
- Department of Oncology, Hematology and Stem Cell Transplantation, University Children’s Hospital Würzburg, Würzburg, Germany
| | - Benedikt Weißbrich
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Matthias Eyrich
- Department of Oncology, Hematology and Stem Cell Transplantation, University Children’s Hospital Würzburg, Würzburg, Germany
| | - Matthias Wölfl
- Department of Oncology, Hematology and Stem Cell Transplantation, University Children’s Hospital Würzburg, Würzburg, Germany
| | - Paul G. Schlegel
- Department of Oncology, Hematology and Stem Cell Transplantation, University Children’s Hospital Würzburg, Würzburg, Germany
| | - Verena Wiegering
- Department of Oncology, Hematology and Stem Cell Transplantation, University Children’s Hospital Würzburg, Würzburg, Germany
- * E-mail:
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Lawitschka A, Gueclue ED, Januszko A, Körmöczi U, Rottal A, Fritsch G, Bauer D, Peters C, Greinix HT, Pickl WF, Kuzmina Z. National Institutes of Health-Defined Chronic Graft-vs.-Host Disease in Pediatric Hematopoietic Stem Cell Transplantation Patients Correlates With Parameters of Long-Term Immune Reconstitution. Front Immunol 2019; 10:1879. [PMID: 31507582 PMCID: PMC6718560 DOI: 10.3389/fimmu.2019.01879] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 07/24/2019] [Indexed: 12/15/2022] Open
Abstract
Recent data revealed the importance of immune reconstitution (IR) for the evaluation of possible biomarkers in National Institutes of Health (NIH)–defined chronic graft-vs.-host disease (cGVHD) and its clinical aspects. In this large pediatric study (n = 146), we have analyzed whether cellular and humoral parameters of IR in the long-term follow-up (FU) with a special emphasis on B-cell reconstitution correlate with NIH-defined cGVHD criteria. HYPOTHESIS: we were especially interested in whether meaningful cGVHD biomarkers could be defined in a large pediatric cohort. We here demonstrate for the first time in a highly homogenous pediatric patient cohort that both cGVHD (n = 38) and its activity were associated with the perturbation of the B-cell compartment, including low frequencies of CD19+CD27+ memory B-cells and increased frequencies of circulating CD19+CD21low B-cells, a well-known hyperactivated B-cell subset frequently found elevated in chronic infection and autoimmunity. Notably, resolution of cGVHD correlated with expansion of CD19+CD27+ memory B-cells and normalization of CD19+CD21low B-cell frequencies. Moreover, we found that the severity of cGVHD had an impact on parameters of IR and that severe cGVHD was associated with increased CD19+CD21low B-cell frequencies. When comparing the clinical characteristics of the active and non-active cGVHD patients (in detail at time of analyses), we found a correlation between activity and a higher overall severity of cGVHD, which means that in the active cGVHD patient group were more patients with a higher disease burden of cGVHD—despite similar risk profiles for cGVHD. Our data also provide solid evidence that the time point of analysis regarding both hematopoietic stem cell transplantation (HSCT) FU and cGVHD disease activity may be of critical importance for the detailed investigation of pediatric cohorts. Finally, we have proven that the differences in risk factors and patterns of IR, with cGVHD as its main confounding factor, between malignant and non-malignant diseases, are important to be considered in future studies aiming at identification of novel biomarkers for cGVHD.
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Affiliation(s)
- Anita Lawitschka
- Children's Cancer Research Institute, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
| | - Ece Dila Gueclue
- Children's Cancer Research Institute, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
| | - Angela Januszko
- Children's Cancer Research Institute, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
| | - Ulrike Körmöczi
- Center for Pathophysiology, Infectiology and Immunology, Institute of Immunology, Medical University of Vienna, Vienna, Austria
| | - Arno Rottal
- Center for Pathophysiology, Infectiology and Immunology, Institute of Immunology, Medical University of Vienna, Vienna, Austria
| | - Gerhard Fritsch
- Children's Cancer Research Institute, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
| | - Dorothea Bauer
- Children's Cancer Research Institute, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
| | - Christina Peters
- Children's Cancer Research Institute, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
| | | | - Winfried F Pickl
- Center for Pathophysiology, Infectiology and Immunology, Institute of Immunology, Medical University of Vienna, Vienna, Austria
| | - Zoya Kuzmina
- Children's Cancer Research Institute, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
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34
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Haimes H, Morley KW, Song H, Okhovat JP, Schmidt B, Huang JT. Impact of skin biopsy on the management of acute graft-versus-host disease in a pediatric population. Pediatr Dermatol 2019; 36:455-459. [PMID: 31016777 DOI: 10.1111/pde.13840] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND/OBJECTIVES Acute graft-versus-host disease (GVHD) of the skin is a common complication of hematopoietic stem cell transplantation (HSCT) but often represents a diagnostic challenge. The adult literature suggests that histopathology rarely dictates management decisions, but the clinical utility of skin biopsies in pediatric patients with suspected acute GVHD is unknown. The objective of this study was to determine the frequency with which skin biopsy leads to a definitive diagnosis of acute GVHD and changes the management of acute GVHD in the pediatric population. METHODS We conducted a retrospective analysis of histopathology results and the associated impact on clinical management based on chart review of pediatric patients who underwent skin biopsy for cutaneous eruptions suspicious for acute GVHD from 1995 to 2016. RESULTS Among 27 pediatric HSCT patients, skin biopsy yielded definitive diagnoses (GVHD or otherwise) in only 15% (4/27) of cases. Overall, dermatology consultation was associated with clinical management changes in 78% (21/27) of cases. A change in management was definitively based on skin biopsy results in only 7.4% (2/27) of cases. The mean duration of time between dermatology consultation and return of biopsy results was 4.8 days (range 1-17). CONCLUSIONS Our results suggest that skin biopsy of pediatric HSCT patients with findings concerning for acute skin GVHD rarely yields a definitive diagnosis or change in management.
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Affiliation(s)
- Hilary Haimes
- Department of Medicine, Boston Children's Hospital, Boston, Massachusetts
| | - Keith W Morley
- Dermatology Program, Boston Children's Hospital, Boston, Massachusetts
| | - Hannah Song
- Harvard Medical School, Boston, Massachusetts
| | | | | | - Jennifer T Huang
- Dermatology Program, Boston Children's Hospital, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts
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35
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Winther-Jørgensen S, Nygaard M, Heilmann C, Ifversen M, Sørensen K, Müller K, Masmas T. Feasibility of extracorporeal photopheresis in pediatric patients with graft-versus-host disease after hematopoietic stem cell transplantation. Pediatr Transplant 2019; 23:e13416. [PMID: 30973668 DOI: 10.1111/petr.13416] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 02/01/2019] [Accepted: 02/12/2019] [Indexed: 11/30/2022]
Abstract
Graft-versus-host disease (GVHD) is a main cause of morbidity and mortality following hematopoietic stem cell transplantation. The cumulative incidence of acute and chronic GVHD (aGVHD, cGVHD) reaches 30%-50% and 20% in pediatric populations, respectively. Prednisolone and/or calcineurin inhibitors (CNI) are first-line treatments, but no superior second-line treatment has yet been established. Several treatments have been suggested, among others extracorporeal photopheresis (ECP). Technical advances have made treatment of pediatric patients possible; however, only few reports on the feasibility of ECP in children have been published. We retrospectively studied the feasibility, safety, and efficacy of ECP in 15 children with steroid-dependent/refractory acute or chronic GVHD, who initiated ECP treatment between April 2014 and January 2018. Only few and mild side effects directly related to the ECP procedure were registered, even in patients with low body weight. The most frequent cause of shortened or canceled ECP treatment was difficulties with vascular accesses, which were more rarely seen using central venous catheters with larger lumens and made of stiffer material. Nine patients had grade II-III aGVHD. Six of these experienced a response to ECP at day 28, while eight of nine had responded at the last ECP treatment. Six patients had cGVHD when ECP was initiated, and of these, four had a partial response at last ECP treatment. We found ECP to be a feasible and safe treatment, and particularly, children with aGVHD appeared to respond well to ECP.
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Affiliation(s)
- Signe Winther-Jørgensen
- The Child and Adolescent Clinic, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Marietta Nygaard
- Department of Hematology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.,Department of Dermatology, Bispebjerg University Hospital, Copenhagen, Denmark
| | - Carsten Heilmann
- The Child and Adolescent Clinic, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Marianne Ifversen
- The Child and Adolescent Clinic, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Kaspar Sørensen
- The Child and Adolescent Clinic, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Klaus Müller
- The Child and Adolescent Clinic, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.,Department of Rheumatology and Spine Disease, Institute for Inflammation Research, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Tania Masmas
- The Child and Adolescent Clinic, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
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36
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Handa A, Nozaki T, Makidono A, Okabe T, Morita Y, Fujita K, Matsusako M, Kono T, Kurihara Y, Hasegawa D, Kumamoto T, Ogawa C, Yuza Y, Manabe A. Pediatric oncologic emergencies: Clinical and imaging review for pediatricians. Pediatr Int 2019; 61:122-139. [PMID: 30565795 DOI: 10.1111/ped.13755] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 11/10/2018] [Accepted: 12/13/2018] [Indexed: 12/20/2022]
Abstract
Children with cancer are at increased risk of life-threatening emergencies, either from the cancer itself or related to the cancer treatment. These conditions need to be assessed and treated as early as possible to minimize morbidity and mortality. Cardiothoracic emergencies encompass a variety of pathologies, including pericardial effusion and cardiac tamponade, massive hemoptysis, superior vena cava syndrome, pulmonary embolism, and pneumonia. Abdominal emergencies include bowel obstruction, intussusception, perforation, tumor rupture, intestinal graft-versus-host disease, acute pancreatitis, neutropenic colitis, and obstructive uropathy. Radiology plays a vital role in the diagnosis of these emergencies. We here review the clinical features and imaging in pediatric patients with oncologic emergencies, including a review of recently published studies. Key radiological images are presented to highlight the radiological approach to diagnosis. Pediatricians, pediatric surgeons, and pediatric radiologists need to work together to arrive at the correct diagnosis and to ensure prompt and appropriate treatment strategies.
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Affiliation(s)
- Atsuhiko Handa
- Department of Radiology, St Luke's International Hospital, Tokyo, Japan.,Department of Radiology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Taiki Nozaki
- Department of Radiology, St Luke's International Hospital, Tokyo, Japan
| | - Akari Makidono
- Department of Radiology, St Luke's International Hospital, Tokyo, Japan.,Department of Diagnostic Radiology, Tokyo Metropolitan Children's Medical Center, Yokohama, Japan
| | - Tetsuhiko Okabe
- Department of Radiology, St Luke's International Hospital, Tokyo, Japan.,Department of Radiology, Yokohama City University School of Medicine, Yokohama, Japan
| | - Yuka Morita
- Department of Radiology, St Luke's International Hospital, Tokyo, Japan.,Department of Radiology, University of the Ryukyus Hospital, Okinawa, Japan
| | - Kazutoshi Fujita
- Department of Diagnostic Radiology, Tokyo Metropolitan Children's Medical Center, Yokohama, Japan.,Department of Radiology, Kanagawa Children's Medical Center, Yokohama, Japan
| | - Masaki Matsusako
- Department of Radiology, St Luke's International Hospital, Tokyo, Japan
| | - Tatsuo Kono
- Department of Diagnostic Radiology, Tokyo Metropolitan Children's Medical Center, Yokohama, Japan
| | - Yasuyuki Kurihara
- Department of Radiology, St Luke's International Hospital, Tokyo, Japan
| | - Daisuke Hasegawa
- Department of Pediatrics, St Luke's International Hospital, Tokyo, Japan
| | - Tadashi Kumamoto
- Department of Pediatrics, St Luke's International Hospital, Tokyo, Japan.,Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Chitose Ogawa
- Department of Pediatrics, St Luke's International Hospital, Tokyo, Japan.,Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Yuki Yuza
- Department of Hematology and Oncology, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan
| | - Atsushi Manabe
- Department of Pediatrics, St Luke's International Hospital, Tokyo, Japan
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37
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Grossmann L, Alonso PB, Nelson A, El-Bietar J, Myers KC, Lane A, Andersen H, Haslam D, Jodele S, Davies SM, Dandoy CE. Multiple bloodstream infections in pediatric stem cell transplant recipients: A case series. Pediatr Blood Cancer 2018; 65:e27388. [PMID: 30094932 DOI: 10.1002/pbc.27388] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 07/12/2018] [Accepted: 07/18/2018] [Indexed: 12/16/2022]
Abstract
Bacterial bloodstream infections (BSIs) are associated with poor outcomes following stem cell transplantation (SCT). We describe the demographics, treatment, complications, and outcome of 23 pediatric SCT recipients who developed three or more BSIs in the first year after SCT at our center from 2011 through 2016. The majority underwent allogeneic SCT (n = 22/23;96%), mainly from an unrelated donor (n = 19/22,86%); developed grade 2-4 graft versus host disease (GVHD; n = 14/23, 61%), all steroid refractory; and were diagnosed with thrombotic microangiopathy (n = 21/23, 91%). One-year overall survival was 56% (n = 13/23). We observed a high rate of transplant-associated thrombotic microangiopathy and steroid-refractory acute GVHD in patients with three or more BSIs.
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Affiliation(s)
- Liron Grossmann
- Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Priscila Badia Alonso
- Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Adam Nelson
- Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Javier El-Bietar
- Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Kasiani C Myers
- Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Adam Lane
- Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Heidi Andersen
- Division of Pediatric Infectious Disease, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - David Haslam
- Division of Pediatric Infectious Disease, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Sonata Jodele
- Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Stella M Davies
- Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Christopher E Dandoy
- Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
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38
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Hierlmeier S, Eyrich M, Wölfl M, Schlegel PG, Wiegering V. Early and late complications following hematopoietic stem cell transplantation in pediatric patients - A retrospective analysis over 11 years. PLoS One 2018; 13:e0204914. [PMID: 30325953 PMCID: PMC6191171 DOI: 10.1371/journal.pone.0204914] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Accepted: 09/17/2018] [Indexed: 01/10/2023] Open
Abstract
Hematopoietic stem cell transplantation (HSCT) has been an effective method for treating a wide range of malignant or non-malignant disorders. In case of an autologous HSCT, patients receive their own stem cells after myeloablation before extraction. Allogeneic HSCT uses stem cells derived from a donor. Despite being associated with a high risk of early and long-term complications, it is often the last curative option. 229 pediatric patients, who between 1 January 2005 and 31 December 2015 received an HSCT at the University Children’s Hospital Wuerzburg, were studied. Correlations between two groups were calculated with the Chi square test or with a 2x2-contingency table. To calculate metric variables, the Mann-Whitney-U-test was used. Survival curves were calculated according to Kaplan and Meier. Significance was assumed for results with a p-value <0.05 (CI (Confident Interval) 95%). We retrospectively analyzed 229 pediatric patients (105 females, 124 males) for early and late complications of allogeneic and autologous hematopoietic stem cell transplantation. Median age at HSCT was seven years. Underlying diseases were leukemia (n = 73), lymphoma (n = 22), solid tumor (n = 65), CNS (central nervous system)- tumor (n = 41), and “other diseases” (n = 28). Survival times, overall survival, and event-free survival were calculated. Of all patients, 80.8% experienced complications of some degree, including mild and transient complications. Allo-HSCT (allogeneic HSCT) carried a significantly higher risk of complications than auto-HSCT (autologous HSCT) (n = 118 vs. n = 67; p = < .001) and the remission rate after allo-HSCT was also higher (58.7% vs. 44,7%; p = .032). Especially infection rates and pulmonary complications are different between auto- and allo-HSCT. Leukemia patients had the highest risk of early and late complications (95,0%; p < .001). Complications within HSCT are major risk factors following morbidity and mortality. In order to detect complications and risk factors early, strict recordings are needed to reduce the rate of complication by recognition and prevention of triggering factors. In the future, these factors should receive greater attention in the planning of HSCT post-transplantation care in order to improve the results of the transplantation and establish protocols to prevent their occurrence.
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Affiliation(s)
- Sophie Hierlmeier
- University Hospital Wuerzburg, Children’s Department of Oncology, Hematology and Stem Cell Transplantation, Wuerzburg, Germany
| | - Matthias Eyrich
- University Hospital Wuerzburg, Children’s Department of Oncology, Hematology and Stem Cell Transplantation, Wuerzburg, Germany
| | - Matthias Wölfl
- University Hospital Wuerzburg, Children’s Department of Oncology, Hematology and Stem Cell Transplantation, Wuerzburg, Germany
| | - Paul-Gerhardt Schlegel
- University Hospital Wuerzburg, Children’s Department of Oncology, Hematology and Stem Cell Transplantation, Wuerzburg, Germany
| | - Verena Wiegering
- University Hospital Wuerzburg, Children’s Department of Oncology, Hematology and Stem Cell Transplantation, Wuerzburg, Germany
- * E-mail:
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39
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Hamidieh AA, Eslami Shahre Babaki A, Rostami T, Kasaeian A, Koochakzadeh L, Sharifi Aliabadi L, Behfar M, Ghavamzadeh A. A Single-Center Experience With Hematopoietic Stem Cell Transplantation for Pediatric Acute Lymphoblastic Leukemia: A Modest Pitch for Non-Total Body Irradiation Conditioning Regimens. EXP CLIN TRANSPLANT 2018; 17:243-250. [PMID: 30295587 DOI: 10.6002/ect.2017.0226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVES Allogeneic hematopoietic stem cell transplantation has been used for several decades to treat patients with acute lymphoblastic leukemia. Total body irradiation has been promoted as an important component of conditioning regimens for this process; however, recent reports of chemotherapy-based conditioning regimens have shown comparable outcomes. MATERIALS AND METHODS We report our experience with radiation-free conditioning using busulfan and cyclophosphamide in 127 pediatric patients with acute lymphoblastic leukemia who were treated between 1997 and 2014. The median age was 11 years (range, < 1 to 15 y), 70% of patients were male, 81.1% received transplants from HLA-matched siblings, 83% received peripheral blood stem cells, 41% were in second complete remission at the time of transplant, and 83% had B-lineage immunophenotype. RESULTS In patients who were in complete remission at the time of transplant, 5-year overall survival, leukemia-free survival, and relapse rates were 62.48% (95% confidence interval, 52.29-71.09%), 49.43% (95% confidence interval, 39.57-58.53%), and 45.64% (95% confidence interval, 35.85-54.88%), respectively. We observed significant differences between outcomes in patients by time of transplant, presence of chronic graft-versus-host disease, and remission status. CONCLUSIONS Our relapse rates were comparable to those shown in recent studies, although the transplant-related mortality rate was lower. The results of our study showed that a busulfan/cyclophosphamide conditioning regimen has acceptable outcomes without the undesirable adverse effects of total body irradiation, particularly in pediatric patients. Large multicenter studies are needed to assess less toxic conditioning regimens with fewer adverse effects in these patients.
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Affiliation(s)
- Amir Ali Hamidieh
- From the Hematology-Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
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40
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Berghiche A, Khenenou T, Kouzi A, Labiad I. An investigation on the predominant diseases, its diagnosis, and commonly used drugs in the poultry farms in the North-Eastern regions of Algeria. Vet World 2018; 11:986-989. [PMID: 30147270 PMCID: PMC6097571 DOI: 10.14202/vetworld.2018.986-989] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 06/07/2018] [Indexed: 11/16/2022] Open
Abstract
Aim An investigation was carried out to assess the occurrence of diseases, its method of diagnosis, and commonly used drugs in poultry farms in North-Eastern regions of Algeria. Materials and Methods A total of 265 veterinary doctors were surveyed to obtain information on the dominant diseases, its frequency of occurrence, method of diagnosis, and commonly used drugs in poultry farms. Results A study revealed that about 68% of bacterial diseases are due to colibacillosis, mycoplasmosis, and salmonellosis, 22% of viral diseases are due to Newcastle, Gumboro, and infectious bronchitis, and 10% others including coccidiosis and ascites syndrome. The study also showed that about 57% of cases were diagnosed by clinical signs, 36% by necropsy findings, and the remaining 7% through therapeutic and laboratory analysis. Antibiotics, a predominance of the anarchic veterinary drugs, were massively used to control the diseases. Hence, there is a need for strict regulations on the use of veterinary drugs to guarantee food safety. Conclusion These results remain non-exhaustive but contribute strongly to determine the status of health of the birds in the region.
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Affiliation(s)
- Amine Berghiche
- Department of Veterinary Science, Institute of Agronomic and Veterinarian Sciences, University of Mohamed Cherif Messaâdia, Souk Ahras, Algeria
| | - Tarek Khenenou
- Laboratory of Animal Production, Biotechnology and Health, University of Mohamed Cherif Messaâdia, Souk Ahras, Algeria
| | - Ahmed Kouzi
- Laboratory of Animal Production, Biotechnology and Health, University of Mohamed Cherif Messaâdia, Souk Ahras, Algeria
| | - Ibtissem Labiad
- Laboratory of Science and Technique of Living, Institute of Agronomic and Veterinarian Sciences, University of Mohamed Cherif Messaâdia, Souk Ahras, Algeria
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41
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Schechter T, Lewis VA, Schultz KR, Mitchell D, Chen S, Seto W, Teuffel O, Gibson P, Doyle JJ, Gassas A, Sung L, Lee Dupuis L. Relationship between cyclosporine area-under-the curve and acute graft versus host disease in pediatric patients undergoing hematopoietic stem cell transplant: A prospective, multicenter study. Pediatr Hematol Oncol 2018; 35:288-296. [PMID: 30592246 DOI: 10.1080/08880018.2018.1520948] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Traditionally in hematopoietic stem cell transplant (HSCT), cyclosporine doses are individualized using cyclosporine trough concentrations (C0) while area under the concentration vs time curve (AUC) is used in solid organ transplant. AUC potentially has an important relationship with the development of acute graft-versus-host-disease (aGVHD). We conducted a prospective study to describe the relationship between severe (grade III-IV) aGVHD and cyclosporine AUC in pediatric HSCT recipients. Pediatric patients who underwent allogeneic myeloablative HSCT and scheduled to receive cyclosporine for aGVHD prophylaxis participated in this multicenter study. Cyclosporine doses were adjusted based on C0 according to each center's standard of care. Cyclosporine AUC was determined weekly until neutrophil engraftment or Day +42, whichever was later. Associations between severe aGVHD and cyclosporine AUC and other patient and treatment-related factors were evaluated. Of the 110 children enrolled, 97 were evaluable. Thirty-seven (38%) children developed aGVHD; 13 (13.4%) had severe aGVHD. On univariate analysis, there was no association between severe aGVHD and cyclosporine AUC at any time point before engraftment. Future research should focus on refinement of C0 targets for cyclosporine therapeutic drug monitoring in HSCT.
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Affiliation(s)
- Tal Schechter
- a Department of Pediatrics, Division of Haematology/Oncology, The Hospital of Sick Children and Faculty of Medicine , University of Toronto , Toronto , Canada
| | - Victor A Lewis
- b Section of Pediatric Oncology and Blood and Marrow Transplant, Alberta Children's Hospital; Departments of Oncology and Pediatrics, Cumming School of Medicine , University of Calgary , Calgary , Canada
| | - Kirk R Schultz
- c Michael Cuccione Childhood Cancer Research Program, BC Children's Hospital and Research Institute , UBC , Vancouver , Canada
| | - David Mitchell
- d Pediatric Hematology/Oncology, McGill University Health Center; Faculty of Medicine, McGill University , Montréal , Canada
| | - Shiyi Chen
- e Clinical Research Services, The Hospital for Sick Children , Toronto , Canada
| | - Winnie Seto
- f Department of Pharmacy , The Hospital for Sick Children , Toronto , Canada.,g Leslie Dan Faculty of Pharmacy , University of Toronto , Toronto , Canada.,h Child Health Evaluative Services , Research Institute, The Hospital for Sick Children , Toronto , Canada
| | - Oliver Teuffel
- i University of Tuebingen , Tuebingen , Germany ; Division of Oncology , Medical Services of the Statutory Health Insurance, Baden-Wuerttemberg , Germany
| | - Paul Gibson
- j Pediatric Hematology/Oncology, Children's Hospital, London Health Sciences Centre, London , Canada
| | - John J Doyle
- k Department of Pediatric Hematology/Oncology, CancerCare Manitoba and Department of Pediatrics and Child Health , University of Manitoba , Winnipeg , Canada
| | - Adam Gassas
- l School of Clinical Sciences , University of Bristol and Bristol Royal Hospital for Children , Bristol , United Kingdom
| | - Lillian Sung
- a Department of Pediatrics, Division of Haematology/Oncology, The Hospital of Sick Children and Faculty of Medicine , University of Toronto , Toronto , Canada.,h Child Health Evaluative Services , Research Institute, The Hospital for Sick Children , Toronto , Canada
| | - L Lee Dupuis
- f Department of Pharmacy , The Hospital for Sick Children , Toronto , Canada.,g Leslie Dan Faculty of Pharmacy , University of Toronto , Toronto , Canada.,h Child Health Evaluative Services , Research Institute, The Hospital for Sick Children , Toronto , Canada
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42
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Guilcher GMT, Shah R, Shenoy S. Principles of alemtuzumab immunoablation in hematopoietic cell transplantation for non-malignant diseases in children: A review. Pediatr Transplant 2018; 22. [PMID: 29352515 DOI: 10.1111/petr.13142] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/29/2017] [Indexed: 12/19/2022]
Abstract
Alemtuzumab is a humanized mAb targeted to CD52. Alemtuzumab is highly immunosuppressive with the ability to deplete T and B cells (in addition to other immune cell lines). A growing understanding of the PKs, dosing, and timing of administration of alemtuzumab has allowed for the study of its use as a conditioning agent for allogeneic HCT. The highly immunosuppressive properties of the drug are particularly appealing in the setting of non-malignant HCT, where GVHD provides no clinical benefit and relapse of malignancy is not applicable. In addition, the degree of immune suppression achieved with alemtuzumab has allowed for a reduction in the intensity of myeloablative cytotoxic agents included in some HCT conditioning regimens, allowing for fewer acute and late toxicities. This review paper will provide a comprehensive summary of the mechanism of action, PKs, dosing, and timing of alemtuzumab, a brief description of its use in various allogeneic HCT protocols for non-malignant conditions and a summary of the data regarding its use for GVHD therapy. The goal of this review was to provide an understanding as to how alemtuzumab might be safely incorporated into HCT conditioning regimens for children with non-malignant disease, allowing for expanded access to curative HCT therapy.
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Affiliation(s)
- Gregory M T Guilcher
- Section of Paediatric Oncology/BMT, Departments of Oncology and Paediatrics, University of Calgary, Calgary, AB, Canada
| | - Ravi Shah
- Department of Paediatric Haematology/BMT, Great Ormond Street Hospital, NHS Foundation Trust, London, UK
| | - Shalini Shenoy
- Division of Pediatric Hematology/Oncology, Washington University School of Medicine, St. Louis, MO, USA
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43
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Dander E, De Lorenzo P, Bottazzi B, Quarello P, Vinci P, Balduzzi A, Masciocchi F, Bonanomi S, Cappuzzello C, Prunotto G, Pavan F, Pasqualini F, Sironi M, Cuccovillo I, Leone R, Salvatori G, Parma M, Terruzzi E, Pagni F, Locatelli F, Mantovani A, Fagioli F, Biondi A, Garlanda C, Valsecchi MG, Rovelli A, D'Amico G. Pentraxin 3 plasma levels at graft-versus-host disease onset predict disease severity and response to therapy in children given haematopoietic stem cell transplantation. Oncotarget 2018; 7:82123-82138. [PMID: 27893415 PMCID: PMC5347680 DOI: 10.18632/oncotarget.13488] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 11/15/2016] [Indexed: 12/05/2022] Open
Abstract
Acute Graft-versus-Host Disease (GvHD) remains a major complication of allogeneic haematopoietic stem cell transplantation, with a significant proportion of patients failing to respond to first-line systemic corticosteroids. Reliable biomarkers predicting disease severity and response to treatment are warranted to improve its management. Thus, we sought to determine whether pentraxin 3 (PTX3), an acute-phase protein produced locally at the site of inflammation, could represent a novel acute GvHD biomarker. Using a murine model of the disease, we found increased PTX3 plasma levels after irradiation and at GvHD onset. Similarly, plasma PTX3 was enhanced in 115 pediatric patients on day of transplantation, likely due to conditioning, and at GvHD onset in patients experiencing clinical symptoms of the disease. PTX3 was also found increased in skin and colon biopsies from patients with active disease. Furthermore, PTX3 plasma levels at GvHD onset were predictive of disease outcome since they resulted significantly higher in both severe and therapy-unresponsive patients. Multiple injections of rhPTX3 in the murine model of GvHD did not influence the disease course. Taken together, our results indicate that PTX3 constitutes a biomarker of GvHD severity and therapy response useful to tailor treatment intensity according to early risk-stratification of GvHD patients.
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Affiliation(s)
- Erica Dander
- "M. Tettamanti" Research Center, Pediatric Department, University of Milano-Bicocca, Monza, Italy
| | - Paola De Lorenzo
- Center of Biostatistics for Clinical Epidemiology, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Barbara Bottazzi
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - Humanitas Clinical and Research Center, Rozzano, Italy
| | - Paola Quarello
- Pediatric Onco-Haematology, City of Science and Health of Turin, Regina Margherita Children's Hospital, Torino, Italy
| | - Paola Vinci
- "M. Tettamanti" Research Center, Pediatric Department, University of Milano-Bicocca, Monza, Italy
| | - Adriana Balduzzi
- Clinica Pediatrica Ospedale S. Gerardo, Fondazione MBBM, University of Milano-Bicocca, Monza, Italy
| | - Francesca Masciocchi
- Clinica Pediatrica Ospedale S. Gerardo, Fondazione MBBM, University of Milano-Bicocca, Monza, Italy
| | - Sonia Bonanomi
- Clinica Pediatrica Ospedale S. Gerardo, Fondazione MBBM, University of Milano-Bicocca, Monza, Italy
| | - Claudia Cappuzzello
- "M. Tettamanti" Research Center, Pediatric Department, University of Milano-Bicocca, Monza, Italy
| | - Giulia Prunotto
- Clinica Pediatrica Ospedale S. Gerardo, Fondazione MBBM, University of Milano-Bicocca, Monza, Italy
| | - Fabio Pavan
- Clinica Pediatrica Ospedale S. Gerardo, Fondazione MBBM, University of Milano-Bicocca, Monza, Italy
| | - Fabio Pasqualini
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - Humanitas Clinical and Research Center, Rozzano, Italy
| | - Marina Sironi
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - Humanitas Clinical and Research Center, Rozzano, Italy
| | - Ivan Cuccovillo
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - Humanitas Clinical and Research Center, Rozzano, Italy
| | - Roberto Leone
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - Humanitas Clinical and Research Center, Rozzano, Italy
| | - Giovanni Salvatori
- Sigma-tau S.p.A., Department of R&D, Biotechnology, San Gerardo Hospital, Monza, Italy
| | - Matteo Parma
- Haematology Division and BMT Unit, San Gerardo Hospital, Monza, Italy
| | | | - Fabio Pagni
- Department of Surgery and Interdisciplinary Medicine, University Milano-Bicocca, Section of Pathology, San Gerardo Hospital, Monza, Italy
| | - Franco Locatelli
- Department of Pediatric Haematology-Oncology, IRCCS, Bambino Gesù Children Hospital, Roma-Department of Pediatric Science, University of Pavia, Pavia, Italy
| | - Alberto Mantovani
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - Humanitas Clinical and Research Center, Rozzano, Italy.,Humanitas University, Rozzano, Italy
| | - Franca Fagioli
- Pediatric Onco-Haematology, City of Science and Health of Turin, Regina Margherita Children's Hospital, Torino, Italy
| | - Andrea Biondi
- "M. Tettamanti" Research Center, Pediatric Department, University of Milano-Bicocca, Monza, Italy.,Clinica Pediatrica Ospedale S. Gerardo, Fondazione MBBM, University of Milano-Bicocca, Monza, Italy
| | - Cecilia Garlanda
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - Humanitas Clinical and Research Center, Rozzano, Italy
| | - Maria Grazia Valsecchi
- Center of Biostatistics for Clinical Epidemiology, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Attilio Rovelli
- Clinica Pediatrica Ospedale S. Gerardo, Fondazione MBBM, University of Milano-Bicocca, Monza, Italy
| | - Giovanna D'Amico
- "M. Tettamanti" Research Center, Pediatric Department, University of Milano-Bicocca, Monza, Italy
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Gilman AL, Leung W, Cowan MJ, Cannon M, Epstein S, Barnhart C, Shah K, Hyland M, Fukes T, Ivanova A. Donor lymphocyte infusion and methotrexate for immune recovery after T-cell depleted haploidentical transplantation. Am J Hematol 2018; 93:169-178. [PMID: 29047161 DOI: 10.1002/ajh.24949] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Revised: 10/08/2017] [Accepted: 10/14/2017] [Indexed: 01/03/2023]
Abstract
CD34+ cell selection minimizes graft-versus-host disease (GVHD) after haploidentical donor stem cell transplant but is associated with slow immune recovery and infections. We report a Phase I/II study of prophylactic donor lymphocyte infusion (DLI) followed by methotrexate (MTX) GVHD prophylaxis after CD34-selected haploidentical donor transplant. A prophylactic DLI was given between day +30 and +42. Rituximab was given with DLI for the last 10 patients. The goal of the study was to determine a DLI dose that would result in a CD4+ cell count > 100/µL at Day +120 in ≥ 66% of patients with ≤ 33% grade II-III, ≤ 17% grade III, and no grade IV acute GVHD by Day +180. Thirty-five patients with malignant (n = 25) or nonmalignant disease (n = 10) were treated after CD34-selected haploidentical donor peripheral blood stem cell transplant. The DLI dose of 5 × 104 /kg met the CD4/GVHD goal with 67% of patients having CD4+ cells > 100/µL and 11% grade II-IV acute GVHD. The cumulative incidence of chronic GVHD was 16%. Fatal viral and fungal infections occurred in 11%. The 2 year estimated overall survival was 69% and the relapse rate was 14% for patients in remission at transplant. There was no effect of NK alloreactivity on relapse. Nine of ten patients at the target DLI dose cohort of 5 × 104 /kg are alive with median follow-up of 18 mos (range 6-29). Delayed prophylactic DLI and MTX was associated with promising outcomes at the target DLI dose. This trial was registered at clinicaltrials.gov, # NCT01027702.
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Affiliation(s)
- Andrew L. Gilman
- Pediatric Blood and Marrow Transplantation, Levine Children's Hospital at Carolinas Medical Center; Charlotte North Carolina
| | - Wing Leung
- Pediatric Blood and Marrow Transplantation, St. Jude Children's Research Hospital; Memphis Tennessee
| | - Morton J. Cowan
- Pediatric Allergy, Immunology, Blood and Marrow Transplant Division, Benioff Children's Hospital, University of California - San Francisco; San Francisco California
| | - Mark Cannon
- Clinical Trials, Levine Cancer Institute; Charlotte North Carolina
| | - Stacy Epstein
- Transplant Center, Carolinas Medical Center; Charlotte North Carolina
| | - Carrie Barnhart
- Transplant Center, Carolinas Medical Center; Charlotte North Carolina
| | - Krishna Shah
- Clinical Trials, Levine Cancer Institute; Charlotte North Carolina
| | - Michelle Hyland
- Clinical Trials, Levine Cancer Institute; Charlotte North Carolina
| | - Tracy Fukes
- Clinical Trials, Levine Cancer Institute; Charlotte North Carolina
| | - Anastasia Ivanova
- Biostatistics, University of North Carolina - Chapel Hill; North Carolina
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45
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Gutierrez CA, Raval MV, Vester HR, Chaudhury S, von Allmen D, Rothstein DH. Surgical treatment of intestinal complications of graft versus host disease in the pediatric population: Case series and review of literature. J Pediatr Surg 2017; 52:1718-1722. [PMID: 28711168 DOI: 10.1016/j.jpedsurg.2017.06.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Revised: 05/22/2017] [Accepted: 06/23/2017] [Indexed: 01/06/2023]
Abstract
BACKGROUND/PURPOSE Intestinal complications of acute graft-versus-host disease (aGVHD) include hemorrhage and perforation in the short-term, and stricture with bowel obstruction in the long-term. As medical management of severe aGVHD has improved, more patients are surviving even advanced stages of intestinal aGVHD. This review summarizes the available pediatric literature on surgical treatment of complications of intestinal GVHD. METHODS A systematic review was performed using PubMed, Cochrane, Embase, and Scopus databases. Any publication that addressed surgical treatment of acute and chronic intestinal GVHD in the pediatric population was reviewed in detail. Furthermore, we included information on 5 additional patients from the institutions of this review's authors, which had not been previously published. RESULTS We identified 8 studies, comprising 13 patients. Surgical interventions were undertaken for a variety of intestinal GVHD complications, including small bowel obstruction owing to stricture (n=8), enterocutaneous fistulae (n=2), gastrointestinal hemorrhage/perforation (n=1 each), and esophageal stricture (n=1). Among eight patients with bowel obstruction as an indication, pathology revealed ulceration with fibrosis in all but one; 3 had signs of persistent GVHD. Surgical mortality was reported in 4 patients (31%) at an average of 6weeks postoperatively. The median overall follow-up time was 20months (IQR, 2-21). CONCLUSIONS Although intestinal aGVHD management is almost exclusively medical, a small subset of patients develops complications of intestinal GVHD that require surgical intervention. With expanding indications for stem cell transplantation as well as improved survival after previously fatal bouts of intestinal aGVHD, it is likely that surgical intervention will become more common in these complicated patients. SYSTEMATIC REVIEW Level of Evidence: Level IV.
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Affiliation(s)
- Camille A Gutierrez
- Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY
| | - Mehul V Raval
- Division of Pediatric Surgery, Department of Surgery, Children's Healthcare of Atlanta, Emory University School of Medicine, Atlanta, GA
| | - Hannah R Vester
- Division of General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Sonali Chaudhury
- Division of Hematology, Oncology and Stem Cell Transplantation, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago
| | - Daniel von Allmen
- Division of General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - David H Rothstein
- Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY; Department of Pediatric Surgery, Women and Children's Hospital of Buffalo, Buffalo, NY.
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46
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Friedrich P, Guerra-García P, Stetson A, Duncan C, Lehmann L. Young Female Donors Do Not Increase the Risk of Graft-versus-Host Disease or Impact Overall Outcomes in Pediatric HLA-Matched Sibling Hematopoietic Stem Cell Transplantation. Biol Blood Marrow Transplant 2017; 24:96-102. [PMID: 28958895 DOI: 10.1016/j.bbmt.2017.09.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 09/20/2017] [Indexed: 01/29/2023]
Abstract
Optimal donor selection is critical in hematopoietic stem cell transplantation (HSCT). Donor-recipient sex mismatch, donor age, and female donor-donor parity are known to impact graft-versus-host disease (GVHD) and outcomes in adults. Minor histocompatibility antigens encoded by the human Y chromosome can result in specific antibody formation in some female donors, may increase in frequency with increasing donor age, and may be contributory to the increased incidence of GVHD. To better understand the role of donor age/sex and sex matching in HSCT outcomes, we conducted a retrospective study of pediatric patients receiving their first myeloablative sibling donor HSCT (n = 244) from 1998 to 2012. Observed rates of GVHD were low: 17% of patients surviving past engraftment (n = 243) developed grades II to IV acute GVHD (aGVHD) and 14% surviving ≥ 100 days (n = 229) developed chronic GVHD (cGVHD). On multivariate analysis the risk of aGVHD, cGVHD, and death increased with patient age as expected. Female donor sex and sex mismatch (female donor-male recipient) had no impact on the development of aGVHD. cGVHD was increased with female donors only if the donor was ≥12 years old. No cGVHD was observed among 109 patients aged < 10 years who received a 6/6 HLA-matched marrow HSCT, regardless of donor age or sex. Survival was mostly driven by diagnosis. Results suggest that in pediatric HSCT, young HLA-matched siblings are equivalently good donors regardless of sex or donor-recipient sex mismatch.
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Affiliation(s)
- Paola Friedrich
- Department of Oncology and Department of Global Pediatric Medicine, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Pilar Guerra-García
- Department of Pediatric Hematology and Oncology, University Hospital 12 de Octubre, Madrid, Spain
| | - Alyssa Stetson
- Department of Pediatric Oncology, Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, Massachusetts
| | - Christine Duncan
- Department of Pediatric Oncology, Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, Massachusetts
| | - Leslie Lehmann
- Department of Pediatric Oncology, Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, Massachusetts.
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47
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Sehati N, Kokhaei P, Motevalizade Ardekani A, Tootoonchian R, Pak F. Evaluation of Serum Interleukin-21 and HLA-C1 Polymorphism in Pediatrician Hematopoietic Stem Cell Transplantation for Early Diagnosis of Acute Graft-Versus-Host Disease. IRANIAN BIOMEDICAL JOURNAL 2017. [PMID: 28627158 PMCID: PMC5572435 DOI: 10.18869/acadpub.ibj.21.6.392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Background: Allogenic hematopoietic stem cell transplantation (HSCT) is a strategy used for treatment of different malignant diseases. However, success of allo-HSCT can be hampered by graft-versus-host-disease (GVHD). Natural killer (NK) cells may play an important role in activating antigen presenting cells and subsequent activation of T cells. The main purpose of this study was the evaluation of IL-21, as a blood biomarker, for early detection of acute GVHD (aGVHD) in children after HSCT and also the study of human leukocytes antigen (HLA)-C1 polymorphism, as a targeting ligand for NK cells in these patients. Methods: Fifty one children receiving HSCT were studied. Blood samples were collected at -8, 7, and 14 days of transplantation. The -8-day samples were analyzed for HLA-C1 polymorphism by PCR-sequence-specific primer technique and pre-transplantation IL-21 assay. To study the serum levels of IL-21, two blood samples were collected on days +7 and +14 and analyzed by ELISA technique. Results: The results indicated that the incidence of aGVHD in pediatric is associated with a polymorphism of HLA-C1, as alleles HLA-C01:12 (P<0.001), HLA-C01:22 (P<0.004), and HLA-C01:67 (P<0.009). On the other hand, the serum levels of IL-21 in children with aGVHD were decreased after transplantation compared to before transplantation. The serum levels of the IL-21 at 14 days after transplantation had a significant correlation with the occurrence of aGVHD (P=0.05). Conclusion: Based on the findings of this study, there is a significant correlation between HLA-C1 polymorphisms and the serum levels of IL-21 with the incidence of aGVHD.
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Affiliation(s)
- N Sehati
- Student Research Committee, Semnan University of Medical Sciences, Semnan, Iran
| | - P Kokhaei
- Cancer Research Center and Department of Immunology, Semnan University of Medical Sciences, Semnan, Iran
| | | | - R Tootoonchian
- Student Research Committee, Semnan University of Medical Sciences, Semnan, Iran
| | - F Pak
- Cancer Research Center and Department of Immunology, Semnan University of Medical Sciences, Semnan, Iran
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48
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Simms-Waldrip TR, Sunkersett G, Coughlin LA, Savani MR, Arana C, Kim J, Kim M, Zhan X, Greenberg DE, Xie Y, Davies SM, Koh AY. Antibiotic-Induced Depletion of Anti-inflammatory Clostridia Is Associated with the Development of Graft-versus-Host Disease in Pediatric Stem Cell Transplantation Patients. Biol Blood Marrow Transplant 2017; 23:820-829. [PMID: 28192251 DOI: 10.1016/j.bbmt.2017.02.004] [Citation(s) in RCA: 119] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Accepted: 02/06/2017] [Indexed: 12/11/2022]
Abstract
Adult stem cell transplantation (SCT) patients with graft-versus-host-disease (GVHD) exhibit significant disruptions in gut microbial communities. These changes are associated with higher overall mortality and appear to be driven by specific antibiotic therapies. It is unclear whether pediatric SCT patients who develop GVHD exhibit similar antibiotic-induced gut microbiota community changes. Here, we show that pediatric SCT patients (from Children's Medical Center Dallas, n = 8, and Cincinnati Children's Hospital, n = 7) who developed GVHD showed a significant decline, up to 10-log fold, in gut anti-inflammatory Clostridia (AIC) compared with those without GVHD. In fact, the development of GVHD is significantly associated with this AIC decline and with cumulative antibiotic exposure, particularly antibiotics effective against anaerobic bacteria (P = .003, Firth logistic regression analysis). Using metagenomic shotgun sequencing analysis, we were able to identify specific commensal bacterial species, including AIC, that were significantly depleted in GVHD patients. We then used a preclinical GVHD model to verify our clinical observations. Clindamycin depleted AIC and exacerbated GVHD in mice, whereas oral AIC supplementation increased gut AIC levels and mitigated GVHD in mice. Together, these data suggest that an antibiotic-induced AIC depletion in the gut microbiota is associated with the development of GVHD in pediatric SCT patients.
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Affiliation(s)
| | - Gauri Sunkersett
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Laura A Coughlin
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Milan R Savani
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Carlos Arana
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Jiwoong Kim
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, Texas; Quantitative Biomedical Research Center, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Minsoo Kim
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, Texas; Quantitative Biomedical Research Center, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Xiaowei Zhan
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, Texas; Quantitative Biomedical Research Center, University of Texas Southwestern Medical Center, Dallas, Texas; Center for Genetics of Host Defense, University of Texas Southwestern Medical Center, Dallas, Texas
| | - David E Greenberg
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas; Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Yang Xie
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, Texas; Quantitative Biomedical Research Center, University of Texas Southwestern Medical Center, Dallas, Texas; Harold C. Simmons Cancer Center, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Stella M Davies
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital, Cincinnati, Ohio
| | - Andrew Y Koh
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas; Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas; Harold C. Simmons Cancer Center, University of Texas Southwestern Medical Center, Dallas, Texas.
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49
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Predictive Value of Fecal Calprotectin in Pediatric Graft-Versus-Host Disease. J Pediatr Gastroenterol Nutr 2016; 63:e208-e209. [PMID: 27504814 DOI: 10.1097/mpg.0000000000001369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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50
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Lucchini G, Labopin M, Beohou E, Dalissier A, Dalle JH, Cornish J, Zecca M, Samarasinghe S, Gibson B, Locatelli F, Bertrand Y, Abdel-Rahman F, Socie G, Sundin M, Lankester A, Sedlacek P, Hamladji RM, Heilmann C, Afanasyev B, Hough R, Peters C, Bader P, Veys P. Impact of Conditioning Regimen on Outcomes for Children with Acute Myeloid Leukemia Undergoing Transplantation in First Complete Remission. An Analysis on Behalf of the Pediatric Disease Working Party of the European Group for Blood and Marrow Transplantation. Biol Blood Marrow Transplant 2016; 23:467-474. [PMID: 27916512 DOI: 10.1016/j.bbmt.2016.11.022] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 11/29/2016] [Indexed: 01/26/2023]
Abstract
Hematopoietic stem cell transplantation (HSCT) represents the cornerstone of treatment in pediatric high-risk and relapsed acute myeloid leukemia (AML). The aim of the present study was to compare outcomes of pediatric patients with AML undergoing HSCT using 3 different conditioning regimens: total body irradiation (TBI) and cyclophosphamide (Cy); busulfan (Bu) and Cy; or Bu, Cy, and melphalan (Mel). In this retrospective study, registry data for patients > 2 and <18 years age undergoing matched allogeneic HSCT for AML in first complete remission (CR1) in 204 European Group for Blood and Marrow Transplantation centers between 2000 and 2010 were analyzed. Data were available for 631 patients; 458 patients received stem cells from a matched sibling donor and 173 from a matched unrelated donor. For 440 patients, bone marrow was used as stem cell source, and 191 patients received peripheral blood stem cells. One hundred nine patients received TBICy, 389 received BuCy, and 133 received BuCyMel as their preparatory regimen. Median follow-up was 55 months. Patients receiving BuCyMel showed a lower incidence of relapse at 5 years (14.7% versus 31.5% in BuCy versus 30% in TBICy, P < .01) and higher overall survival (OS) (76.6% versus 64% versus 64.5%, P = .04) and leukemia-free survival (LFS) (74.5% versus 58% versus 61.9%, P < .01), with a comparable nonrelapse mortality (NRM) (10.8% versus 10.5% versus 8.1%, P = .79). Acute graft-versus-host disease (GVHD) grades III and IV but not chronic GVHD, was higher in patients receiving BuCyMel. Older age at HSCT had an adverse impact on NRM and the use of peripheral blood as stem cell source was associated with increased chronic GVHD and NRM as well as lower LFS and OS. Among pediatric patients receiving HSCT for AML in CR1, the use of BuCyMel conditioning proved superior to TBICy and BuCy in reducing relapse and improving LFS.
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Affiliation(s)
- Giovanna Lucchini
- Bone Marrow Transplant Department, Great Ormond Street Hospital, London, United Kingdom.
| | - Myriam Labopin
- BMT Statistical Unit, European Group for Blood and Marrow Transplantation Office, Universite' Pierre et Marie Curie, Paris, France
| | - Eric Beohou
- BMT Statistical Unit, European Group for Blood and Marrow Transplantation Office, Universite' Pierre et Marie Curie, Paris, France
| | - Arnauld Dalissier
- BMT Statistical Unit, European Group for Blood and Marrow Transplantation Office, Universite' Pierre et Marie Curie, Paris, France
| | | | - Jacqueline Cornish
- Paediatric Haematology/Oncology Department, Bristol Royal Hospital for Children, Bristol, United Kingdom
| | - Marco Zecca
- Pediatric Hematology-Oncology Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Sujith Samarasinghe
- Bone Marrow Transplant Department, Great Ormond Street Hospital, London, United Kingdom
| | - Brenda Gibson
- Haematology Department, Royal Hospital for Sick Children, Glasgow, United Kingdom
| | - Franco Locatelli
- Pediatric Hematology-Oncology Department, IRCCS Bambino Gesu' Children Hospital, Rome, Italy
| | - Yves Bertrand
- Pediatric Hematology and Oncology Department, Institut d'Hématologie et d'Oncologie Pédiatriqu, Lyon, France
| | - Fawzi Abdel-Rahman
- Bone Marrow and Stem Cell Transplantation Department, King Hussein Cancer Centre, Amman, Jordan
| | - Gerald Socie
- Hematology/Transplantation Department, Hôpital St. Louis, Paris, France
| | - Mikael Sundin
- Hematology/Immunology/SCT Department, Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
| | - Arjan Lankester
- Pediatrics Department, Division of Immuno-Hematology and Stem Cell Transplantation Leiden University Hospital, The Netherlands
| | - Peter Sedlacek
- Paediatric Haematology & Oncology Department, University Hospital Motol, Prague, Czech Republic
| | | | - Carsten Heilmann
- Paediatrics and Adolescent Medicine Department, Rigshospitalet, Copenhagen, Denmark
| | - Boris Afanasyev
- Hematology and Transplantology Department, Saint Petersburg State Medical Pavlov University, Ratsa Gorbacheva Memorial Children's Institute, St. Petersburg, Russia
| | - Rachel Hough
- Stem Cell Transplantation Department, University College Hospital, London, United Kingdom
| | - Cristina Peters
- Stem Cell Transplantation Department, St. Anna Kinderspital, Vienna, Austria
| | - Peter Bader
- Stem Cell Transplantation and Immunology Department, Universitätsklinikum Frankfurt, Goethe-Universität, Frankfurt am Main, Germany
| | - Paul Veys
- Bone Marrow Transplant Department, Great Ormond Street Hospital, London, United Kingdom
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