This disclosure is related to a fused-ring compound of formula (I) and/or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the fused ring compound of formula (I) and/or a pharmaceutically acceptable salt thereof, preparation methods thereof, and use thereof in modulating activity of indoleamine 2, 3-dioxygenase (IDO) and/or tryptophan 2, 3-dioxygenase (TDO). This disclosure further provides methods of treating IDO and/or TDO-associated diseases, including cancer, viral infection and autoimmune diseases.
这份披露涉及到式(I)的融合环化合物和/或其药学上可接受的盐,包括式(I)的融合环化合物和/或其药学上可接受的盐的药物组合物,其制备方法,以及在调节
吲哚胺2,3-二氧化酶(
IDO)和/或色
氨酸2,3-二氧化酶(TDO)活性中的应用。这份披露还提供了治疗
IDO和/或TDO相关疾病的方法,包括癌症、病毒感染和自身免疫疾病。