Combination of 177Lu-TLX250 and Peposertib in Patients With Carbonic Anhydrase IX -Expressing Solid Tumors

Single IV administration followed by 89Zr-DFO-girentuximab PET/CT (or PET/MRI) scan at screening and approximately 8-10 weeks (±1 week) after Cycle 3 Day 1, as well as at the end of treatment visit (if feasible). The PET/CT should be obtained within 4-7 days after 89Zr-TLX250 administration

"Dose escalation and de-escalation for the determination of the Maximum tolerated combination/ Recommended phase 2 dose.~All subjects will receive 177Lu-TLX250 intravenously on day 1 and Peposertib BID on days 4-21 of each 84-day cycle."