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Clinical Trial Summary

This is a first-in-human Phase 1/2, non-randomized, multi-centre, open-label clinical study designed to investigate safety, tolerability, PK, and preliminary anti-tumour activity of [225Ac]-FPI-1434 (radioimmuno-therapeutic agent) in patients with solid tumours that demonstrate uptake of [111In]-FPI-1547 (radioimmuno-imaging agent), and to establish the maximum tolerated dose (MTD) and/or the recommended Phase 2 dose (RP2D) of repeat doses of [225Ac]-FPI-1434 Injection in patients with solid tumours that demonstrate uptake of [111In]-FPI-1547 (radioimmuno-imaging agent).


Clinical Trial Description

This study consists of a Phase 1 portion and a Phase 2 portion. Phase 1 includes the following cohorts: Single dose-ascending cohorts and Multi- dose ascending cohorts of [225Ac]-FPI-1434 and Multi- dose ascending cohorts evaluating administration of FPI-1175 (cold antibody), followed by, [225Ac]-FPI-1434 (cold + hot), with cycles repeating every 42 days. And Cold Antibody Sub-study evaluating administration of ascending doses of FPI-1175 followed by [111In]-FPI-1547. The Phase 2 will evaluate [111In]-FPI-1547 and [225Ac]-FPI-1434 with or without FPI-1175 in tumour-specific cohorts. The decision to utilize FPI-1175 in the Phase 2 portion of the study will be determined based on Phase 1 data, including safety, tolerability, pharmacokinetic and dosimetry results. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03746431
Study type Interventional
Source Fusion Pharmaceuticals Inc.
Contact clinicaltrials@fusionpharma.com
Phone +1 (888) 506-4215
Email clinicaltrials@fusionpharma.com
Status Recruiting
Phase Phase 1/Phase 2
Start date January 17, 2019
Completion date June 2026

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