About this trial
This study is an open-label phase I study to evaluate the safety, pharmacokinetics, and antitumor activity of SSGJ-612 in patients with advanced malignant solid tumors expressing HER2.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Voluntarily participate in this study, be willing to follow and complete all trial procedures, and sign the informed consent form;
Aged ≥18 and ≤75 years old at the time of signing the ICF, regardless of gender;
Expected survival ≥3 months;
Performance status (PS) score of 0-1 according to the Eastern Cooperative Oncology Group (ECOG) scale;
Disqualifiers
Presence of brainstem, meninges, or spinal cord metastasis, or spinal cord compression;
Presence of active central nervous system (CNS) metastatic lesions;
Individuals with clinical symptoms or requiring repeated drainage (once a month or more frequently) of pleural effusion, pericardial effusion, or ascites;
Primary or secondary immunodeficiency, including positive human immunodeficiency virus (HIV) test;
Trial design
Single group
Treatments tested in this trial
SSGJ-612
DrugIntravenous injection
Treatment groups
Trial outcomes
Primary outcomes
Incidence and severity of Adverse Events (AEs)
Adverse Events (AEs) refers to all adverse medical events that occur in patients after they receive the investigational drug and do not necessarily have a causal relationship with the investigational drug. AEs were evaluated according to CTCAE V5.0.
Incidence of DLT
Dose-Limiting Toxicity
Secondary outcomes
ORR assessed by investigators per RECIST v1.1
Objective Response Rate (ORR) is the proportion of patients with Complete Response (CR) or Partial Response (PR), assessed by investigators per RECIST v1.1.
DoR assessed by investigators per RECIST v1.1
Duration of Response (DoR) is the time between the first onset of CR or PR and the first onset of Disease Progression (PD) (assessed by investigators per RECIST v1.1) or death from any cause.
DCR assessed by investigators per RECIST v1.1
Disease Control Rate (DCR) is the proportion of patients with CR, PR, and Stable Disease (SD), assessed by investigators per RECIST v1.1.
TTR assessed by investigators per RECIST v1.1
Time to Response (TTR) is the time from the start of treatment until the date of first documented response (assessed by investigators per RECIST v1.1).
Sponsors and contacts
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