ARG1 and neoplasm: Pexidartinib was also combined with other anti-tumor drugs like PD-1 checkpoint to approach a better outcome, in Esophageal adenocarcinoma rat model, the use of pexidartinib can improve the efficacy of PD-1 immune checkpoint, Endpoint tissue gene expression results showed that transcription levels of both TGFβ and Arg1 were significantly decreased, which was consistent with our results (Omstead et al., 2022).