About this trial
This study is a Phase 1, first-in-human, open-label, dose-escalation and cohort expansion study designed to characterize the safety, tolerability, pharmacokinetics, preliminary antitumor activity and immunogenicity of 9MW2821 administered by intravenous (IV) infusion.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Competent to comprehend, sign, and date an independent ethics committee/institutional review board/research ethics board (IEC/IRB/REB) approved informed consent form.
Male or female subjects aged 18 to 80 years (including 18 and 80 years).
Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
Phase Ia:Histologically or cytologically confirmed advanced malignant solid tumors (except sarcoma). Phase Ib:Only local advanced or metastatic UC tumors.
Disqualifiers
Chemotherapy、radiotherapy or immunotherpy within 14 days prior to the first dose of study drug.
Preexisting treatment related toxicity Grade ≥ 2 (except alopecia).
Major surgery within 28 days prior to first dose of study drug.
History of uncontrolled diabetes mellitus.
Trial design
Single group
Treatments tested in this trial
9MW2821
DrugAll subjects will receive a single intravenous (IV) infusion of 9MW2821 once weekly for the first 3 weeks of every 4 week cycle (i.e., on Days 1, 8 and 15).
Treatment groups
Trial outcomes
Primary outcomes
Incidence of adverse events
Secondary outcomes
Pharmacokinetic parameter:total antibody (TAb), antibody drug conjugate (ADC), and Monomethyl Auristatin E (MMAE)
Maximum observed concentration (Cmax)
Pharmacokinetic parameter:total antibody (TAb), antibody drug conjugate (ADC), and Monomethyl Auristatin E (MMAE)
Area under the concentration-time curve (AUC)
Pharmacokinetic parameter:total antibody (TAb), antibody drug conjugate (ADC), and Monomethyl Auristatin E (MMAE)
Half-life (t1/2)
Pharmacokinetic parameter:total antibody (TAb), antibody drug conjugate (ADC), and Monomethyl Auristatin E (MMAE)
Clearance (CL)
Sponsors and contacts
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