Neoadjuvant Immune Checkpoint Blockade + a Prebiotic Food-enriched Dietary Intervention to Optimize Immune Response in Melanoma: NEO-PreFED

Prebiotic snack packouts (distributed every two weeks) and diet counseling to support increased consumption of prebiotic foods which provide dietary fiber, plant-based protein and other nutrients selectively fermented by the microbiome (e.g., pulses and legumes).