About this trial
This is a multicenter, open-label, dose-escalation/dose-expansion, Phase Ib/II study to evaluate the safety, tolerability, PK characteristics, and preliminary anti-tumor efficacy of HDM2017 combination therapy in participants with advanced CRC. The study is divided into two periods: dose escalation (Phase Ib) and dose expansion (Phase II). Phase Ib of this study is a dose-finding study of different HDM2017 combination therapies. The Phase II study will be conducted at a dose determined to be safe and potentially effective in Phase Ib.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Participants must voluntarily participate in this study and sign the written ICF after being fully informed.
Male or female participants aged 18 to 75 years (inclusive).
Participants with histologically or cytologically confirmed unresectable locally advanced or metastatic CRC.
Able to provide fresh or archived tumor tissue samples during the screening period.
Disqualifiers
Prior or current treatment with topoisomerase I (TOP I) inhibitor drugs.
Prior or current treatment targeting CDH17.
Presence of other malignant tumor, other than the tumor being treated in this study.
AEs from prior therapy that have not resolved to Grade 1 or baseline status before prior therapy.
Trial design
Single group
Treatments tested in this trial
HDM2017
DrugAdministered with continuing until protocol-specified criteria for treatment discontinuation are met
Bevacizumab
Drugadministered with continuing until protocol-specified criteria for treatment discontinuation are met
Oxaliplatin
Drugadministered with continuing until protocol-specified criteria for treatment discontinuation are met
Fluorouracil
Drugadministered with continuing until protocol-specified criteria for treatment discontinuation are met
Capecitabine
Drugadministered with continuing until protocol-specified criteria for treatment discontinuation are met
Leucovorin
Drugadministered with dosing continuing until protocol-specified criteria for treatment discontinuation are met
Treatment groups
Trial outcomes
Primary outcomes
Maximum Tolerated Dose (MTD)
The MTD will be determined using DLTs
Recommended Phase 2 Dose (RP2D)
The RP2D will be determined using dose limiting toxicities (DLTs) and all other available study data
Type, incidence and severity of Adverse Events
Safety and tolerability profile assessed by the Common Terminology Criteria for Adverse Events v6.0
Objective Response Rate (ORR)
ORR is defined as the proportion of subjects with BOR response of CR or PR (based on RECIST Version 1.1).
Secondary outcomes
Disease control rate (DCR)
Duration of Response (DoR)
Progression Free Survival (PFS)
Overall survival (OS)
Sponsors and contacts
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