A first-in-man Phase 1, non-randomized, multi-centre, open-label clinical trial designed to investigate the safety, tolerability, pharmacokinetics of [111In]-FPI-1547 Injection and [225Ac]-FPI-1434 Injection and to establish the maximum tolerated dose of a single [225Ac]-FPI-1434 Injection in patients with solid tumours with demonstrated tumour uptake of [111In]-FPI-1547. Includes a sub-study of FPI-1175 …