Overview
This is a Phase I, open-label, multi-center, first-in-human (FIH) clinical trial designed to evaluate the safety, tolerability, pharmacokinetic (PK) profiles, and the preliminary antitumor activity of JSKN021 in advanced malignant solid tumors.
Eligibility
Inclusion Criteria:
- Voluntarily participate and sign the informed consent form.
- Age ≥ 18 and ≤ 75 years old, male or female.
- Eastern Cooperative Oncology Group performance status (ECOG PS) score of 0 or 1.
- Expected survival ≥ 3 months.
- Histologically or cytologically confirmed malignant solid tumors confirmed by histology and/or cytology, who have failed previous standard treatment (disease progression), are intolerant to standard treatment, or have no access to standard treatment.
- At least one measurable lesion at baseline according to RECIST 1.1 criteria.
- Adequate organ function.
- Female subjects of childbearing potential or male subjects whose partners are of childbearing potential agree to use effective contraceptive measures.
- Female subjects of childbearing potential must have a negative serum/urine pregnancy test within 7 days before the first dose.
- Be able and willing to comply with the visits, treatment plans, laboratory tests, and other study-related procedures specified in the study protocol.
- Adequate washout period of previous therapy before the first dose.
Exclusion Criteria:
- Complicated with other malignant tumors within 3 years before the first dose.
- History of brainstem, meningeal metastasis, spinal cord metastasis or compression, or carcinomatous meningitis; presence of active brain metastasis.
- Screening imaging shows tumor invasion, compression, or occurrence in surrounding important organs or risk of esophagotracheal fistula or esophagopleural fistula.
- Presence of clinically severe respiratory impairment caused by pulmonary disease complications.
- Presence of the risk factors related to interstitial lung disease (ILD) or non-infectious pneumonia:
- Presence of cardiovascular and cerebrovascular diseases or cardiovascular and cerebrovascular risk factors.
- Uncontrolled infection.
- Received live vaccines within 28 days before the first dose, or plan to receive live vaccines during the study period.
- Toxicity of previous anti-tumor treatment has not fully or partially recovered.
- Known allergy to any component of the study drug, or history of severe allergic reactions to other antibody drugs.
- Pregnant and/or lactating women, or planning to become pregnant during the study period.
- Known history of mental illness, substance abuse, alcoholism, etc., or other situations that the investigator deems may affect the safety or compliance of the study drug treatment.


