The Efficacy and Safety of Sintilimab Plus Anlotinib Combined With Chemotherapy as Neoadjuvant Therapy in TNBC

Inclusion Criteria: * Has newly diagnosed, locally advanced TNBC, as defined by the most recent American Society of Clinical Oncology (ASCO)/College of American Pathologists (CAP) guidelines. * Has previously untreated locally advanced non-metastatic (M0) TNBC defined as the following combined primary tumor (T) and regional lymph node (N) staging per current American Joint Committee of Cancer (AJCC) staging criteria for breast cancer as assessed by the investigator based on radiological and/or clinical assessment: T1c, N1-N2 T2, N0-N2 T3, N0-N2 T4a-d, N0-N2 * Provides a core needle biopsy consisting of at least 2 separate tumor cores from the primary tumor at screening to the central laboratory. * Has Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 performed within 10 days of treatment initiation. * Demonstrates adequate organ function. * Female participants of childbearing potential must be willing to use an adequate method of contraception for the course of the study through 12 months after the last dose of study treatment for participants who have received cyclophosphamide, and 6 months after the last dose of study treatment for participants who did not. Exclusion Criteria: * Has a history of invasive malignancy ≤5 years prior to signing informed consent except for adequately treated basal cell or squamous cell skin cancer or in situ cervical cancer. * Has received prior chemotherapy, targeted therapy, and radiation therapy within the past 12 mo…