Safety of Navoximod and NLG802 With Stereotactic Body Radiotherapy (SBRT) Treatment of Advanced Solid Tumors

SBRT is specialize radiation that is effective for ablating tumors at primary and metastatic locations that increases antigen uptake/processing/presentation.

A small molecule inhibitor with potent inhibition of IDO1 enzymatic activity as shown both in vitro and in vivo. As the main function of IDO1 is the regulation of acquired immune tolerance, and its expression in tumor- and dendritic cells in tumor draining lymph nodes negatively correlates with cancer prognosis and survival, navoximod-mediated IDO1 inhibition may restore immune reactivity towards tumors.

An anti-tumor immunomodulator with the active ingredient of 1-methyl-D-tryptophan (NSC- 721782, 1-MT), which is an inhibitor of the indoleamine 2,3-dioxygenase (IDO) pathway that increases the bioavailability of indoximod by leveraging existing mechanisms of absorption, increasing the exposure of indoximod.