A First-in-human Study of GENA-104A16 in Patients With Advanced Solid Tumors

Inclusion Criteria:

* Patient with histologically/cytologically confirmed unresectable, recurrent, or metastatic advanced solid tumors
* Life expectancy of at least 3 months
* Eastern Cooperative Oncology Group (ECOG) performance status (PS) score of 0 or 1
* Adequate organ function including hematological, hepatic, and renal functions.
* Negative childbearing potential
* Measurable disease as per RECIST v1.1 defined as at least 1 lesion
* Patients who are willing and able to comply with scheduled cycles, treatment plans, laboratory tests, and other procedures

Exclusion Criteria:

* A WOCBP who has a positive urine pregnancy test prior to treatment
* Received prior systemic anti-cancer therapy within 4 weeks or 5 half-life periods (whichever is shorter) prior to the first dose of treatment
* Received prior radiotherapy within 2 weeks of start of study treatment or have had a history of radiation pneumonitis
* Received a live or live attenuated vaccine within 30 days prior to the first dose of study intervention
* Currently participating and receiving study treatments or has participated in a study of an investigational agent and received the study therapy or has used an investigational device within 4 weeks prior to the first dose of study treatment
* Had an allogeneic tissue/solid organ transplant
* A diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior the first dose of study drug
* A known additional malignancy that is progressing or has required active treatment within the past 3 years
* A known active CNS metastases and/or carcinomatous meningitis
* A known prior severe hypersensitivity reactions to monoclonal antibodies or any component in their formulation (Grade ≥3)
* An active autoimmune disease that has required systemic treatment in past 2 years
* A history of (non infectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease
* An active infection requiring systemic therapy, or has received a course of antibiotics within 4 weeks prior to the first dose of treatment
* A known history of human Immunodeficiency Virus (HIV) infection
* A known history of Hepatitis B or known active Hepatitis C virus (HCV) infection
* Diagnosed with Gliosis through a brain MRI and has experienced neurological conditions within 6 months before the first administration
* Has any one or more clinically significant cardiovascular disease
* A history or current evidence of any condition, therapy, or laboratory abnormality, or other circumstance that might confound the results of the study or interfere with the patients participation for the full duration of the study