Graft Vs Host Disease Clinical Trial
Official title:
Factors Affecting the Tacrolimus Blood Concentration and Its Impact on Transplant-related Outcomes in Pediatric HSCT Recipients: a Single-center Retrospective Study
The goal of this retrospective observational study is to investigate any possible association among tacrolimus (TAC) blood concentrations, clinical efficacy and tolerability. Therefore, the main questions it aims to answer are: 1. to clarify which variables, how and to what extent influence daily TAC blood concentrations in pediatric allo-hematopoietic stem cell transplantation (HSCT) recipients; 2. to investigate the incidence of graft-versus-host disease (GVHD) and graft failure according to TAC exposure. Pediatric patients administered TAC to prevent GVHD after an allogeneic bone marrow transplantation.
Patients undergoing allo-HSCT will be recruited at IRCC Burlo Garofolo, collecting demographic and clinical characteristics from electronic medical records in a retrospective manner: age, sex, primary disease, donor type and stem cell source, body weight (BW), white blood cell (WBC) count, platelet count, red blood cell (RBC) counts, hemoglobin (HGB) and hematocrit (HCT) levels, red cell concentrate (RCC) transfusions. Other clinical laboratory data (i.e., liver and kidney function) will be included, as well as concomitant drugs administered to patients after allo-HSCT (i.e, mycophenolate mofetil, steroids, pantoprazole, voriconazole, methotrexate). Data will be collected, validated, and presented according to Good Clinical Practice (GCP) principles to support the statistical analyses and subsequent reporting. Once selected according to predefined inclusion requirements, data will be collected anonymously; an identification code will be assigned to each case. As per GCP, all collected information will be recorded, handled, and stored in a way that allows its accurate reporting, interpretation, and verification with user access restriction, and data will be retrievable by designated personnel only. Because of the retrospective nature of the present research protocol, all eligible patients will be included in the study population only if their medical and laboratory records will be complete. Statistical analyses (for descriptive and comparative aims) will be performed stratifying patients by body weight, age, gender, and source of stem cells. Univariate and multivariate tests will be used, together with Kaplan-Meyer tes, Cox proportional hazard model and ROC curve analysis. ;
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