• Adult patients between the ages of 18 and 80 years.

• Patients with histologically or cytologically confirmed solid tumours that are advanced, metastatic and or progressive, for whom there is no effective standard therapy available.

• Eastern Collaborative Oncology Group (ECOG) Performance Status of ≤2.

• Expected life expectancy ≥3 months.

• Evaluable disease, either measurable on imaging, or with informative tumour marker(s), as assessed by Response Evaluation Criteria In Solid Tumors (RECIST) v1.1 (Eisenhauer, et al. 2009).

• Laboratory values at Screening:

• Absolute neutrophil count ≥1.5 x 109/L; Platelets ≥75 x 109/L; Hemoglobin ≥ 90g/L; Total bilirubin \<1.5 times the upper limit of normal; Aspartate aminotransferase (AST) ≤3 times the upper limit of normal, ≤ 5 times the upper limit of normal if subject has hepatic malignancies; Alanine aminotransferase (ALT) ≤2.5 times the upper limit of normal, ≤ 5 times the upper limit of normal if subject has hepatic malignancies; Estimated glomerular filtration rate (GFR) of \>50 mL/min (based on the Cockcroft-Gault formula; International Normalized Ratio (INR) and activated Partial Thromboplastin Time (aPTT) ≤1.5 times the upper limit of normal; Left Ventricular Ejection Fraction (LVEF) ≥ 50%; Corrected QT Interval by Fridericia Method: male\<450ms, female\<470ms; and

• Negative human chorionic gonadotropin (hCG) test in women of childbearing potential.

• Sexually active male and female patients of childbearing potential must agree to use an effective method of birth control (e.g. barrier methods with spermicides, oral or parenteral contraceptives and/or intrauterine devices) during the entire duration of the study and for 90 days after final administration of ILB-2109, or the patient must be surgically sterile .

• Ability to give written, informed consent prior to any study-specific Screening procedures.