Pediatric Transplant and Cellular Therapy Consortium RESILIENT Conference on Pediatric Chronic Graft-versus-Host Disease Survivorship after Hematopoietic Cell Transplantation: Part II. Organ Dysfunction and Immune Reconstitution Considerations for Children with Chronic Graft-versus-Host Disease after Hematopoietic Cell Transplantation

Le résumé fourni par la source

While highly morbid forms of chronic graft versus host disease (cGVHD) and severe late effects of allogeneic hematopoietic cell transplantation (HCT) can impact children and adults alike, unique considerations arise in pediatric cases regarding diagnosis, monitoring, treatment, and likelihood of resolution. As children can present with atypical features of cGVHD and with more significant disease due to inability to communicate symptoms, they may be at increased risk for highly morbid forms of cGVHD and incur greater subsequent late effects, which may be more pronounced in those with underlying chromosomal breakage syndromes, with higher prevalence in pediatric HCT recipients. The long-term effects of cGVHD and its therapies include impaired immune reconstitution, leading to increased risks of infection and secondary malignant neoplasms. However, children also have the greatest potential for full immune reconstitution, due to thymus recovery that could impact the timing of vaccination with respect to tolerance and restoration of optimal immunity. Developing strategies to mitigate the late effects incurred with, and as a result of, cGVHD is of critical importance. The working group recommends surveillance strategies for late effects in patients with cGVHD, increased utilization of emerging diagnostic tools, integration of monitoring for cGVHD treatment response, and development of new treatments and specifies aims of future research endeavors.

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