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Clinical Trial Summary

This is a first-in-human, Phase 1/2 open-label, multicenter, dose-escalation, safety, pharmacokinetics (PK), and biomarker study of CBX-12 in subjects with advanced or metastatic refractory solid tumors.


Clinical Trial Description

Phase 1 is the dose-escalation portion of the study in which the safety and tolerability of three dosing schedules of CBX-12 will be evaluated. Subjects in Part A will be treated with CBX-12 on a daily x 5 every 3 weeks schedule (treatment in Part A was discontinued in October 2021). Subjects in Phase 1 Part B will be treated with CBX-12 on a daily x 3 every 3 weeks schedule. Subjects in Phase 1 Part C will be treated with CBX-12 once weekly. Subjects in Phase 1 Modified Part B will be treated with CBX-12 once every 3 weeks. For all parts in Phase 1, after all subjects in a cohort have completed treatment through the DLT period or discontinued treatment due to a DLT, the SRC, composed of the Investigators who have enrolled subjects in the current cohort(s), the study Medical Monitor and ad hoc members (e.g., other Investigators, a statistician) as needed, will review all available safety data, including DLTs and all available PK data for that cohort and make dose-level recommendations. Once the recommended phase 2 dose (RP2D) has been established in Part B, Part C and Modified Part B, Phase 2 expansion cohorts may open. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04902872
Study type Interventional
Source Cybrexa Therapeutics
Contact
Status Active, not recruiting
Phase Phase 1/Phase 2
Start date May 3, 2021
Completion date September 2024

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