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Preprint . 2026
License: CC BY
Data sources: Datacite
ZENODO
Preprint . 2026
License: CC BY
Data sources: Datacite
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HLA-DPB1 as an Independent Predictor of Non-Relapse Mortality at Identical Match Scores: Evidence for a Primary Unscored Information Channel in Unrelated Donor Selection

Authors: Dunn, James E.;

HLA-DPB1 as an Independent Predictor of Non-Relapse Mortality at Identical Match Scores: Evidence for a Primary Unscored Information Channel in Unrelated Donor Selection

Abstract

Power law analysis of outcome variance within HLA match score groups across N=35,471 transplant pairs. Within-group overdispersion is 6-9x binomial expectation at every match level. At identical 9/10 match scores, PBM immunopeptidome divergence produces a 6.8 percentage point difference in 3-year overall survival. HLA-DPB1 carries HR_NRM = 1.50 and is not in the standard 10/10 cascade. Patient age asymmetry carries HR = 1.78 at identical match scores. Three actionable protocol recommendations: add HLA-DPB1 to the cascade, formalize age asymmetry scoring, adopt immunopeptidome divergence as tiebreaker.

Keywords

HLA-DPB1, unrelated donor transplant, non-relapse mortality, power law, within-group variance, immunopeptidome, PTCy, transplant immunology, HLA Matching, donor selection

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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