Not reported in the public reviews. Reviewers summarise selectively, so this usually means it wasn't discussed publicly, not that it wasn't studied.
Reviewer's view of the efficacy data
EMA: in vivo data demonstrate PPARδ pharmacodynamics (reduced C4, hepatic bile acid synthesis and CYP7A1 mRNA)
“These results demonstrate PPARδ pharmacodynamic effect by in vivo reduction in C4 plasma levels, reduction in hepatic bile acid synthesis and decreased CYP7A1 mRNA in liver following seladelpar exposure.”