A Clinical Trial of TG6050 in Patients With Metastatic Non-Small Cell Lung Cancer (Delivir)

Inclusion Criteria: Signed written informed consent in accordance with International Conference on Harmonization-Good Clinical Practice and national/local regulations Male or female patient aged 18 to 75 years Histologically confirmed metastatic (stage IV) NSCLC No known oncogenic driver alteration with available targeted therapy, including EGFR, HER2, KRASG12C, MET or BRAFV600E gene mutations and ALK, ROS1, or RET gene fusion/rearrangements. Patients with KRASG12C mutation having received a targeted therapy will be eligible Have received all standard therapeutic options available, including at least 4 months of treatment with an anti-PD1 or PD-L1 monoclonal antibody and doublet platinum-containing chemotherapy Have documented progression not earlier than 4 months after initiation of the anti-PD(L)1 therapy Have at least one measurable lesion according to RECIST 1.1 and at least one lesion amenable to biopsy Expected life expectancy of at least 3 months Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 Time from prior immunotherapy or antibody-based therapy to first TG6050 administration of at least 4 weeks, from prior chemotherapy of at least 3 weeks, and from palliative radiotherapy of at least 2 weeks Adequate hematological, hepatic, and renal functions Clearance for trial participation after cardiology consultation and cardiologic investigations Negative pregnancy test in women of childbearing potential (WOCBP) Commitment to use a highly effective contraception method (i.e., with a failure rate of ≤1 % per year) combined with a barrier method (e.g., condom) during TG6050 administration period and at least 3 months after TG6050 administration, in men and WOCBP Exclusion Criteria: Major surgery within 4 weeks of first TG6050 administration Prior treatment with ipilimumab Prior treatment with an oncolytic virus Prior treatment with another investigational agent within 4 weeks of first TG6050 administration Immunodeficiency due to underlying illness and/or immune-suppressive medication Uncontrolled intercurrent illness Active auto-immune disease except hypothyroidism or type I diabetes only requiring hormone replacement therapy Brain metastases, unless treated and stable for at least 4 weeks after medical imaging assessment Other malignancies than NSCLC except cutaneous basal cell carcinoma and in situ carcinoma of the uterine cervix, unless complete remission for at least 5 years prior to trial entry and no therapy required during the trial Ongoing antiviral therapy active on vaccinia virus (VV), e.g., ribavirin, interferon/pegylated interferon History of monkeypox infection or anti-monkeypox vaccination History of severe exfoliative skin conditions History of grade ≥ 3 auto-immune manifestations related to ICI therapy History of severe systemic reaction or side-effect after a smallpox vaccination History of solid organ or allogeneic stem cell transplantation Known hypersensitivity to eggs or any TG6050 excipients Positive test for hepatitis C virus (HCV) or hepatitis B virus (HBV) indicating acute or chronic infection Live virus vaccination within 28 days of TG6050 administration COVID-19 vaccination or infection within 14 days of TG6050 administration Breastfeeding woman Any medical, familial, sociological, or psychiatric condition that in the opinion of the investigator would prohibit inclusion in the trial