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Saglio F, Pagliara D, Zecca M, Balduzzi A, Cattoni A, Prete A, Tambaro FP, Faraci M, Calore E, Locatelli F, Fagioli F. Long-Term Complications after Allogeneic Hematopoietic Stem Cell Transplantation with Treosulfan- or Busulfan-Based Conditioning in Pediatric Patients with Acute Leukemia or Myelodysplastic Syndrome: Results of an Associazione Italiana Ematologia Oncologia Pediatrica Retrospective Study. Transplant Cell Ther 2024; 30:433.e1-433.e10. [PMID: 38176654 DOI: 10.1016/j.jtct.2023.12.671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 12/19/2023] [Accepted: 12/27/2023] [Indexed: 01/06/2024]
Abstract
Patients undergoing hematopoietic stem cell transplantation (HSCT) for hematologic malignancies during childhood have an increased risk of developing long-term sequelae that are in part attributable to the conditioning regimen. The present study aimed to assess the occurrence of long-term toxicities in a population of children who underwent HSCT for hematologic malignancies using either treosulfan or busulfan in the conditioning regimen. The cumulative incidences of growth impairment, altered gonadal function, altered thyroid function, cataracts, secondary malignant neoplasia, and altered pulmonary function were evaluated retrospectively by univariable and multivariable analyses in a population of 521 pediatric patients with acute leukemias or myelodysplastic syndromes treated in 20 Italian transplant centers affiliated with the Associazione Italiana Ematologia ed Oncologia Pediatrica (AIEOP). The median duration of follow-up for the entire study population was 7.1 years (range, 1 to 16 years). Overall, a larger proportion of patients given busulfan developed long-term toxicities compared to patients treated with treosulfan (34% versus 20%; P = .01). In univariable analysis, gonadal toxicity developed in 10% of patients who received treosulfan (95% confidence interval [CI], 3% to 15%), compared with 38% (95% CI, 24% to 39%) of busulfan-treated patients (P = .02), and this finding was confirmed by multivariable analysis (relative risk, .51; 95% CI, .34 to .76; P = .0009). We did not find any statistically significant associations between the occurrence of other long-term toxicities and the use of either busulfan or treosulfan. This study provides evidence that the use of treosulfan is correlated with a reduced incidence of gonadal toxicity in children undergoing HSCT for hematologic malignancies.
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Affiliation(s)
- Francesco Saglio
- Paediatric Onco-Haematology Division, Regina Margherita Children's Hospital AOU Città della Salute e della Scienza di Torino, Turin, Italy
| | - Daria Pagliara
- Department of Hematology/Oncology, Cell and Gene Therapy, IRCCS Bambino Gesù Children's Hospital, Rome, Italy
| | - Marco Zecca
- Pediatric Hematology/Oncology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Adriana Balduzzi
- Department of Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy; School of Medicine and Surgery, University of di Milano-Bicocca, Monza, Italy
| | - Alessandro Cattoni
- Department of Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy; School of Medicine and Surgery, University of di Milano-Bicocca, Monza, Italy
| | - Arcangelo Prete
- Pediatric Oncology and Hematology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | | | - Maura Faraci
- Hematopoietic stem cell Transplant Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Elisabetta Calore
- Pediatric Hematology, Oncology and Stem Cell Transplant Division, University Hospital of Padua, Padua, Italy
| | - Franco Locatelli
- Department of Hematology/Oncology, Cell and Gene Therapy, IRCCS Bambino Gesù Children's Hospital, Rome, Italy; Catholic University of the Sacred Heart, Rome, Italy
| | - Franca Fagioli
- Paediatric Onco-Haematology Division, Regina Margherita Children's Hospital AOU Città della Salute e della Scienza di Torino, Turin, Italy; Università degli Studi di Torino, Turin, Italy.
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Pai AA, Mohanan E, Panetta JC, Kulkarni UP, Illangeswaran RSS, Balakrishnan B, Jayaraman A, Edison ES, Lakshmi KM, Devasia AJ, Fouzia NA, Korula A, Abraham A, George B, Srivastava A, Mathews V, Standing JF, Balasubramanian P. Treosulfan Exposure Predicts Thalassemia-Free Survival in Patients with Beta Thalassemia Major Undergoing Allogeneic Hematopoietic Cell Transplantation. Clin Pharmacol Ther 2024; 115:116-125. [PMID: 37846495 PMCID: PMC7615782 DOI: 10.1002/cpt.3078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/09/2023] [Indexed: 10/18/2023]
Abstract
A toxicity-reduced conditioning regimen with treosulfan, fludarabine, and thiotepa in patients with high-risk β-thalassemia major has significantly improved hematopoietic stem cell transplantation (HCT) outcomes. However, complications resulting from regimen-related toxicities (RRTs), mixed chimerism, and graft rejection remain a challenge. We evaluated the dose-exposure-response relationship of treosulfan and its active metabolite S, S-EBDM, in a uniform cohort of patients with β-thalassemia major to identify whether therapeutic drug monitoring (TDM) and dose adjustment of treosulfan is feasible. Plasma treosulfan/S, S-EBDM levels were measured in 77 patients using a validated liquid chromatography with tandem mass spectrometry method, and the pharmacokinetic parameters were estimated using nlmixr2. The influence of treosulfan and S, S-EBDM exposure, and GSTA1/NQO1 polymorphisms on graft rejection, RRTs, chimerism status, and 1-year overall survival (OS), and thalassemia-free survival (TFS) were assessed. We observed that treosulfan exposure was lower in patients with graft rejection than those without (1,655 vs. 2,037 mg•h/L, P = 0.07). Pharmacodynamic modeling analysis to identify therapeutic cutoff revealed that treosulfan exposure ≥1,660 mg•hour/L was significantly associated with better 1-year TFS (97% vs. 81%, P = 0.02) and a trend to better 1-year OS (90% vs. 69%, P = 0.07). Further, multivariate analysis adjusting for known pre-HCT risk factors also revealed treosulfan exposure <1,660 mg•h/L (hazard ratio (HR) = 3.23; 95% confidence interval (CI) = 1.12-9.34; P = 0.03) and GSTA1*B variant genotype (HR = 3.75; 95% CI = 1.04-13.47; P = 0.04) to be independent predictors for inferior 1-year TFS. We conclude that lower treosulfan exposure increases the risk of graft rejection and early transplant-related mortality affecting TFS. As no RRTs were observed with increasing treosulfan exposure, TDM-based dose adjustment could be feasible and beneficial.
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Affiliation(s)
- Aswin Anand Pai
- Department of Hematology, Christian Medical College, Vellore, India
- Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
| | | | - John C. Panetta
- Department of Pharmaceutical Sciences, St Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - Uday P. Kulkarni
- Department of Hematology, Christian Medical College, Vellore, India
| | | | | | - Agila Jayaraman
- Department of Hematology, Christian Medical College, Vellore, India
| | - Eunice S. Edison
- Department of Hematology, Christian Medical College, Vellore, India
| | | | - Anup J. Devasia
- Department of Hematology, Christian Medical College, Vellore, India
| | | | - Anu Korula
- Department of Hematology, Christian Medical College, Vellore, India
| | - Aby Abraham
- Department of Hematology, Christian Medical College, Vellore, India
| | - Biju George
- Department of Hematology, Christian Medical College, Vellore, India
| | - Alok Srivastava
- Department of Hematology, Christian Medical College, Vellore, India
| | - Vikram Mathews
- Department of Hematology, Christian Medical College, Vellore, India
| | - Joseph F. Standing
- Infection, Immunity and Inflammation, Great Ormond Street Institute of Child Health, University College London, London, UK
- Department of Pharmacy, Great Ormond Street Hospital for Children, NHS Foundation Trust, London, UK
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Cattoni A, Nicolosi ML, Capitoli G, Gadda A, Molinari S, Louka S, Buonsante A, Orlandi S, Salierno G, Bellani I, Vendemini F, Ottaviano G, Gaiero A, Fichera G, Biondi A, Balduzzi A. Pubertal attainment and Leydig cell function following pediatric hematopoietic stem cell transplantation: a three-decade longitudinal assessment. Front Endocrinol (Lausanne) 2023; 14:1292683. [PMID: 38152128 PMCID: PMC10751351 DOI: 10.3389/fendo.2023.1292683] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 12/01/2023] [Indexed: 12/29/2023] Open
Abstract
Introduction Impaired testosterone secretion is a frequent sequela following hematopoietic stem cell transplantation (HSCT) in pediatrics, but long-term longitudinal trendlines of clinical and biochemical findings are still scanty. Methods Monocentric, retrospective analysis. Male patients transplanted <18 years between 1992 and 2021, surviving ≥2 years after HSCT and showing, upon enrollment, clinical and biochemical signs consistent with pubertal onset and progression were included. Clinical and biochemical data collected every 6-12 months were recorded. Results Of 130 patients enrolled, 56% were prepubertal, while 44% were peri-/postpubertal upon HSCT. Overall, 44% showed spontaneous progression into puberty and normal gonadal profile, while the remaining experienced pubertal arrest (1%), isolated increase of FSH (19%), compensated (23%) or overt (13%) hypergonadotropic hypogonadism. Post-pubertal testicular volume (TV) was statistically smaller among patients still pre-pubertal upon HSCT (p 0.049), whereas no differences were recorded in adult testosterone levels. LH and testosterone levels showed a specular trend between 20 and 30 years, as a progressive decrease in sexual steroids was associated with a compensatory increase of the luteinizing hormone. A variable degree of gonadal dysfunction was reported in 85%, 51%, 32% and 0% of patients following total body irradiation- (TBI), busulfan-, cyclophosphamide- and treosulfan-based regimens, respectively. TBI and busulfan cohorts were associated with the lowest probability of gonadal event-free course (p<0.0001), while it achieved 100% following treosulfan. A statistically greater gonadotoxicity was detected after busulfan than treosulfan (p 0.024). Chemo-only regimens were associated with statistically larger TV (p <0.001), higher testosterone (p 0.008) and lower gonadotropin levels (p <0.001) than TBI. Accordingly, the latter was associated with a 2-fold increase in the risk of gonadal failure compared to busulfan (OR 2.34, CI 1.08-8.40), whereas being pre-pubertal upon HSCT was associated with a reduced risk (OR 0.15, CI 0.08-0.30). Conclusions a) patients pre-pubertal upon HSCT showed a reduced risk of testicular endocrine dysfunction, despite smaller adult TV; b) patients showed downwards trend in testosterone levels after full pubertal attainment, despite a compensatory increase in LH; c) treosulfan was associated to a statistically lower occurrence of hypogonadism than busulfan, with a trend towards larger TV, higher testosterone levels and lower gonadotropins.
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Affiliation(s)
- Alessandro Cattoni
- Department of Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Maria Laura Nicolosi
- Department of Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Giulia Capitoli
- Bicocca Bioinformatics, Biostatistics and Bioimaging B4 Centre, University of Milano-Bicocca, Monza, Italy
| | - Alberto Gadda
- Bicocca Bioinformatics, Biostatistics and Bioimaging B4 Centre, University of Milano-Bicocca, Monza, Italy
| | - Silvia Molinari
- Department of Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Sotiris Louka
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Andrea Buonsante
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Simona Orlandi
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Gianluca Salierno
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Iacopo Bellani
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Francesca Vendemini
- Department of Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Giorgio Ottaviano
- Department of Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Alberto Gaiero
- Department of Pediatrics and Neonatology, IRCCS Gaslini Savona e Pietra Ligure, Savona, Italy
| | | | - Andrea Biondi
- Department of Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Adriana Balduzzi
- Department of Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
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