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Clinical Trial Summary

This is an open label, single-arm, multicentre dose escalation (Part 1) and dose expansion (Part 2) study to evaluate different combinations of 3 radioactive dose levels of 177Lu-TLX250 administered intravenously with 3 different doses of peposertib in patients with CAIX-expressing solid tumors.


Clinical Trial Description

Part 1 (dose escalation) will evaluate the combination of 3 different activities of 177Lu-TLX250 and 3 different dose levels of peposertib. Patients with CAIX positive solid tumors will be enrolled in a given dose/activity level in Cohorts of approximately 2-6 patients. Treatment cycles will have a fixed length of 84 days. Patients will be treated during 3 cycles, or until clinically significant progression or unacceptable toxicity. Part 2 (dose expansion) patients will be enrolled in 2 Cohorts: - Cohort A: 40 patients with metastatic or non-resectable ccRCC - Cohort B: 20 patients with CAIX-positive solid tumors (excluding RCC). Patients will be treated at the Recommended phase 2 dose of 177Lu-TLX250 in combination with peposertib at the dosing schedule of the selected Recommended phase 2 dose. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05868174
Study type Interventional
Source Telix International Pty Ltd
Contact MEDICAL DIRECTOR, MD
Status Recruiting
Phase Phase 1
Start date May 23, 2023
Completion date December 2026

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