A Phase 2, Randomized, Open-Label, Active-Controlled Study of JNJ-90301900 in Combination with Chemoradiation Followed by Durvalumab in Locally Advanced and Unresectable Stage III Non-Small Cell Lung Cancer.

Inclusion Criteria: - Must be a candidate for standard of care (SOC) treatment of non small cell lung cancer (NSCLC) by concurrent platinum-based doublet chemotherapy with radiation therapy (cCRT) followed by consolidation durvalumab treatment as determined by the investigator and per local guidelines at screening - Have a medical history of pathologically (histologically or cytologically) proven diagnosis of NSCLC within 3 months prior to enrollment/randomization - Have locally advanced unresectable stage III NSCLC according to the eighth edition lung cancer stage classification - Have at least 1 target lesion (primary lung lesion or involved lymph node[s]) per RECIST version 1.1 that is amenable to intratumoral and/or intranodal injection and intensity modulated radiation therapy (IMRT) as determined by the investigator at screening - Have an eastern cooperative oncology group (ECOG) performance status of 0 to 1 Exclusion Criteria: - Medical history of: (a) Primary immunodeficiency (b) Organ transplant that requires therapeutic immunosuppression - Any of the following within 3 months prior to enrollment/randomization: severe or unstable angina, myocardial infarction, clinically significant ventricular arrhythmias or heart failure New York heart association functional classification class III to IV - Another concurrent or prior primary malignancy within the last 36 months at informed consent - Known allergies, hypersensitivity, or intolerance to any ingredients of JNJ-90301900 crystalline solution, platinum-based doublet chemotherapy (ChT), or durvalumab - History of coagulation disorders, including: (a) Active bleeding diathesis or requirement for therapeutic anticoagulation or antiplatelet that cannot be interrupted or altered for JNJ-90301900 injection procedures, (b) Major thromboembolic events (for example, pulmonary embolism, cerebrovascular accident) within 3 months of enrollment or randomization