Clinical Study of HRS-8080 in Combination With Dalpiciclib Isethionate Tablets in Patients With Unresectable or Metastatic Breast Cancer
This is a multicenter, open phase Ib/II clinical study, which is divided into two phases: dose exploration and efficacy expansion. Participants entering the study will receive HRS-8080 combined with Dalpiciclib Isethionate Tablets therapy.