Pavinetant, also known as MLE-4901, AZD-4901, AZD-2624, is a small molecule, orally active, selective neurokinin-3 (NK3) receptor antagonist developed for schizophrenia, hot flashes, and Polycystic ovary syndrome. The development for schizophrenia was discontinued due to lack of effectiveness. Phase II trials for polycystic ovary syndrome and for hot flashes showed the clinical risks exceeded benefits, in addition, abnormal liver function was observed, and that is why these studies were also discontinued.