Pre-Transplant Immune Dysregulation Predicts for Poor Outcome Following Allogeneic Haematopoietic Stem Cell Transplantation in Adolescents and Adults with Inborn Errors of Immunity (IEI)
2024

Pre-Transplant Immune Dysregulation and Allogeneic Stem Cell Transplant Outcomes

Sample size: 82 publication 10 minutes Evidence: moderate

Author Information

Author(s): Fox Thomas A., Massey Valerie, Lever Charley, Pearce Rachel, Laureance Arian, Grace Sarah, Oliviero Filippo, Workman Sarita, Symes Andrew, Lowe David M., Fiaccadori Valeria, Hough Rachael, Tadros Susan, Burns Siobhan O., Seidel Markus G., Carpenter Ben, Morris Emma C.

Primary Institution: UCL Institute of Immunity and Transplantation, UCL, London, UK

Hypothesis

Immune dysregulation pre-transplant may influence transplant outcomes in patients with inborn errors of immunity.

Conclusion

The study found that pre-transplant immune dysregulation significantly impacts overall survival and event-free survival in patients undergoing allogeneic stem cell transplantation.

Supporting Evidence

  • Three-year overall survival for the cohort was 90%.
  • Three-year event-free survival for the cohort was 72%.
  • Pre-transplant IDDA v2.1 score significantly impacted overall survival and event-free survival.

Takeaway

This study shows that how well a patient's immune system is working before a transplant can help predict how well they'll do after the transplant.

Methodology

The study analyzed data from 82 patients who underwent allogeneic stem cell transplantation, calculating pre-transplant immune dysregulation and disease activity scores.

Potential Biases

Potential biases include selection bias due to the retrospective nature and variability in conditioning regimens.

Limitations

The study is retrospective and conducted at a single center, which may limit the generalizability of the findings.

Participant Demographics

82 patients aged 13 to 60 years, with 61 males and 21 females.

Statistical Information

P-Value

0.028

Confidence Interval

95% CI 75-98%

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1007/s10875-024-01854-y

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