| Cancer type | Probiotic/postbiotic | Key findings | Evidence | Reference |
|---|---|---|---|---|
| Head and neck | Nisin ( | Reduced tumor burden and induced apoptosis | Preclinical | ( |
| Melanoma | Reduced cell viability and induced apoptosis | ( | ||
| Pancreatic | Duramycin ( | Induced necrotic cell death | ( |