Not reported in the public reviews. Reviewers summarise selectively, so this usually means it wasn't discussed publicly, not that it wasn't studied.
Biodistribution & persistence
Widely distributed to most tissues and rat milk at concentrations similar to blood
“Following oral administration to rats and monkeys, [14C]ubrogepant was approximately 23% bioavailable and was widely distributed to most tissues and milk (rat) at similar concentrations to blood.”
✓ VerifiedFDA pharmacology/toxicology review, p. 18Source ↗
Modality-specific risk
Hepatotoxicity and coronary artery vasoconstriction potential
“In addition, the sponsor conducted studies to investigate the potential for ubrogepant to constrict human coronary arteries and to further assess the risk of hepatotoxicity.”
✓ VerifiedFDA pharmacology/toxicology review, p. 4Source ↗