AUG 11, 2026 · JOURNAL ARTICLE
Payload-Free[89Zr]Zr-DFO*-sq-EnfortumabImmunoPET for Imaging Nectin-4 Expression in Bladder Cancer
Molecular Pharmaceutics
Preclinical development of a novel radiotracer with in vitro and xenograft imaging data supporting feasibility; lacks clinical validation or patient studies required for clinical decision-making.
Reported
Radiochemical stability99% through Day 12
In vitro cellular internalization80–85%
In vivo tumor uptake17.4 ± 2.8% ID/g