A Study of JNJ-87704916, as Monotherapy and in Combination for Advanced Solid Tumors

The purpose of this study is to determine the safety, feasibility, recommended dose(s) and regimen(s) of JNJ-87704916 as monotherapy and in combination with cetrelimab.

Inclusion Criteria: * For Part 1: Individuals with a diagnosis of advanced or metastatic solid tumor exhausting all available standard of care therapy; Part 2: Individuals with histologically or cytologically confirmed metastatic or locally advanced NSCLC * Have at least 1 injectable tumor * Eastern cooperative oncology group (ECOG) performance status of grade 0 or 1 * A participant who can have children must have a negative pregnancy test before the first dose of study treatment and during the study * Thyroid function laboratory values within normal range except for participants on thyroid hormone replacement therapy Exclusion Criteria: * Active disease involvement of the CNS (example, primary central nervous system tumors, metastases, leptomeningeal disease). Some exceptions are allowed * Prior history of, or active, significant herpetic infections (example, herpetic keratitis or encephalitis) or active herpetic infections that require ongoing systemic anti-viral therapy * Active infection or condition that requires treatment with systemic anti-infective agents (example, antibiotics, antifungals, or antivirals) within 7 days prior to the first dose of study treatment or chronic use of anti-infective agents * History of solid organ or hematologic stem cell transplantation * Known positive test result for human immunodeficiency virus (HIV) or other immunodeficiency syndrome * History of allergy to protein-based therapies or history of any significant drug allergy (such as anaphylaxis, hepatotoxicity, or immune-mediated thrombocytopenia or anemia)