Luminex analysis of cytokine or growth factor expression in tumour lysates from AsPC‐1 PDAC peritoneal dissemination xenografts demonstrated NPT+Gem therapy‐induced changes in most studied marker proteins including IP‐10, MDC, PAI‐1, MIP‐1b, IL‐1B and GM‐CSF. The gene discussed is CCL4; the disease is neoplasm.