Study of JANX008 in Subjects With Advanced or Metastatic Solid Tumor Malignancies

Inclusion Criteria: * Subjects ≥18 years of age at the time of signing informed consent * Histologically or cytologically documented locally advanced or metastatic NSCLC, SCCHN, CRC, RCC, SCLC, PDAC, TNBC * Progressed or was intolerant to all available therapies known to confer clinical benefit appropriate for the tumor type * Adequate organ function * At least 1 measurable lesion per RECIST 1.1 Exclusion Criteria: * Treatment with anti-cancer therapy within 28 days or ≤5 elimination half-lives, whichever is earlier, before enrollment * Prior treatment with EGFR-targeted bispecific T cell engager or CAR-T cell therapy * Prior treatment with CD3 engaging bispecific antibodies * Clinically significant cardiovascular diseases * Active clinically significant infection (bacterial, viral, fungal, mycobacteria, or other) * On supplemental oxygen * Any medical condition or clinical laboratory abnormality likely to interfere with assessment of safety or efficacy of study treatment