These findings suggest that colorectal tumor establishment and progression results in a malfunction of the immune system, and underline the importance of elucidating in detail the mechanisms of immune modulation in cancer patients.

Octreotide decreases the number and size of liver metastases in chemically induced pancreatic cancer in Syrian hamsters. This is accompanied by high hepatic GSH-Px and SOD activity and a low level of lipid peroxidation.

Since combined therapy with octreotide and tamoxifen can be administered comfortably for outpatient treatment, this seems to represent progress in the palliative therapy of pancreatic cancer.