Association of the gut microbiome community dominance with ide-cel toxicities. (A) Significant associations detected by MaAsLin2 for toxicity outcomes. CRS and ICANS were filtered to include only those with at least 25% prevalence, an LFC >1, and corrected for multiplicity with an FDR of <0.05. (B) Community dominance analysis illustrating the differences in the presence of dominant vs nondominant taxa in terms of toxicity outcomes.