About this trial
This study was an open-label phase I study to evaluate the safety, pharmacokinetics, and antitumor activity of SSS59 as a single agent in patients with advanced malignancies.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Histologically and/or cytologically documented local advanced or recurrent or metastatic malignancies.
Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.
Expected survival >3 months.
Signed informed consent form.
Disqualifiers
Any remaining AEs > grade 1 from prior anti-tumor treatment as per CTCAE v5. 0, with exception of hair loss and fatigue.
Pregnant or nursing women or women/men who are ready to give birth.
symptomatic central nervous system metastasis.
Allergy to other antibody drugs or any excipients in the study drugs.
Trial design
Single group
Treatments tested in this trial
SSS59
DrugA humanized antibody targeting MUC17
Treatment groups
Trial outcomes
Primary outcomes
DLTs
Dose limiting toxicity
Safety and tolerability
Safety and tolerability assessed by incidence and severity of adverse events
MTD and RP2D
Determine the maximum tolerated dose and determine the recommended phase II dose
Secondary outcomes
Cmax of SSS59
Maximum concentration
Tmax of SSS59
Time to peak drug concentration
AUC0-last of SSS59
the area under the curve (AUC) up to the last measurable concentration
RO of SSS59
Receptor Occupancy
Sponsors and contacts
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