About this trial
This is a first-in-human, multicenter, open-label, phase I/Ⅱa clinical study of HMPL-A580 in participants with unresectable, advanced or metastatic solid tumors.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Understood this study and are able to voluntarily sign the informed consent form (ICF);
Male or Female, Age ≥ 18 years;
Histological confirmed, unresectable, advanced or metastatic solid tumor
Participants must have at least one measurable lesion per Response Evaluation Criteria in Solid Tumors(RECIST) v1.1
Disqualifiers
An established diagnosis of type 1 diabetes mellitus or uncontrolled type 2 diabetes mellitus
Use strong inhibitors of cytochrome P450 3A4 enzyme (CYP3A4), and inhibitors of P-glycoprotein (P-gp) and breast cancer resistance protein (BCRP) within 5 elimination half-lives or 2 weeks (whichever is longer) before the first dose of study drug
Major surgery within 28 days prior to the first dose of study drug
Active infection requiring systemic treatment
Trial design
Sequential
Treatments tested in this trial
HMPL-A580
DrugPart A(Phase I) Dose Escalation Enrolled participants will receive HMPL-A580 treatment in a dose escalation setting initially at 6 predefined dose levels.
HMPL-A580
DrugPart B(Phase IIa) Dose Expansion/Dose Optimization Evaluate the safety and preliminary anti-tumor activity of HMPL-A580 in selected solid tumors.
Treatment groups
Trial outcomes
Primary outcomes
Maximum Tolerated Dose (MTD) and/or recommended dose(s) for expansion(RDE)
To evaluate the safety, tolerability, and MTD) and/or RDE of HMPL-A580 in solid tumors
Overview of Treatment-emergent Adverse Events (TEAEs)
To characterize the safety of HMPL-A580 at RDE(s)
Objective Response Rate (ORR)
To characterize the tolerability, and preliminary efficacy of HMPL-A580 at RDE(s)
Recommended doses for phase II or III studies (RP2D or RP3D) of HMPL-A580
To characterize the safety, tolerability, and preliminary efficacy of HMPL-A580 at RDE(s) to determine recommended dose(s) for phase 2 dose (RP2D) or phase 3 dose (RP3D) in participants with selected solid tumors.
Secondary outcomes
disease control rate (DCR)
To assess the preliminary efficacy of HMPL-A580 in solid tumors
progression-free survival (PFS)
To assess the preliminary antitumor activity of HMPL-A580 in selected solid tumors