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Pediatric Outcomes in Transplant: Personalising Immunosuppression To Improve Efficacy (POSITIVE Study): The Collaboration and Design of a National Transplant Precision Medicine Program

Papaz, Tanya and Allen, Upton and Blydt-Hansen, Tom and Birk, Patricia E. and Min, Sandar and Hamiwka, Lorraine and Phan, Veronique and Schechter, Tal and Wall, Donna A. and Urschel, Simon and Foster, Bethany J. and Mital, Seema. (2018) Pediatric Outcomes in Transplant: Personalising Immunosuppression To Improve Efficacy (POSITIVE Study): The Collaboration and Design of a National Transplant Precision Medicine Program. Transplantation direct, 4 (12). e410.

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Official URL: https://edoc.unibas.ch/69482/

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Abstract

Despite age-related differences in biology, physiology, and behavior, transplant immunosuppression is not tailored by age. This likely contributes to high graft failure and posttransplant complications. We present the aims, design, and methods of the Pediatric Outcomes in Transplant: PersOnaliSing Immunosuppression To ImproVe Efficacy Study aimed at personalizing posttransplant immunosuppression in children and young adults.; In this prospective observational cohort study, we recruited pediatric and young adult solid organ transplant, pediatric allogeneic hematopoietic stem cell transplant recipients, and matched living and deceased organ donors from 14 transplant centers across Canada. Clinical data, questionnaires, biospecimens, and pharmacy records were collected at serial time points: (1) to identify genetic and host immune factors that influence immunosuppression dose requirements across different ages and transplant types, (2) to identify viral-host interactions that increase susceptibility to Epstein-Barr virus infection, and (3) to define care processes and structures associated with medication adherence in adolescents and young adults.; From 2015 to 2018, 1662 new and prevalent transplant recipients were screened, 1166 were recruited for the various aims, including 370 liver, 445 kidney, 277 heart, 19 lung, 19 multiple, and 36 hematopoietic stem cell transplant transplants. Twelve percent were younger than 2 years, 30% were 2 to 10 years, 42% were 10 to 18 years, and 16% were 18 to 24 years at enrollment. Nine hundred thirty-one consented to participation in aims 1 and 2 (90% consent rate), 287 to aim 3 (82% consent rate). Biospecimens collected included 898 for DNA, 276 for immunoassays, and 717 for biomarker studies. Seventy percent participants have completed follow-up; 30% are pending study completion.; The design of this national multicenter cross-organ network helped maximize recruitment of a large patient cohort for studying age and organ-related differences in immunosuppression needs that would not otherwise be feasible. Leveraging the unique clinical, biological, environmental, and behavioral characteristics of this cohort will help develop precision medicine strategies for individualizing posttransplant immunosuppression.
Faculties and Departments:03 Faculty of Medicine > Departement Public Health > Institut für Pflegewissenschaft
03 Faculty of Medicine > Departement Public Health > Institut für Pflegewissenschaft > Pflegewissenschaft (De Geest)
UniBasel Contributors:De Geest, Sabina M.
Item Type:Article, refereed
Article Subtype:Research Article
ISSN:2373-8731
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:10 Apr 2020 16:41
Deposited On:10 Apr 2020 16:41

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