RecruitingPhase 2Drug trialPh 2 Elacestrant in ER Positive Uterine SarcomasThis study is to evaluate the efficacy and safety of elacestrant, in participants with advanced estrogen receptor (ER)-positive uterine sarcomas. The name of the study drug involved in this research study is: -Elacestrant (a type of selective estrogen receptor degrader)