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A Study of Sacituzumab Govitecan Plus Toripalimab Versus Toripalimab Plus Nab-Paclitaxel in PD-L1 Positive Advanced TNBC
Sponsor: Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Summary
This is a multicenter, open-label, randomized phase II trial evaluating the efficacy and safety of sacituzumab govitecan plus toripalimab versus toripalimab plus nab-paclitaxel in patients with previously untreated, unresectable, locally advanced or metastatic triple-negative breast cancer (TNBC) that is PD-L1 positive. Eligible patients will be randomized in a 1:1 ratio to receive either sacituzumab govitecan plus toripalimab or toripalimab plus nab-paclitaxel. Tumor response will be assessed by investigators according to RECIST v1.1 at baseline, every 6 weeks during the first year, and every 12 weeks thereafter. The primary objective is to evaluate progression-free survival (PFS). Secondary endpoints include overall survival (OS), objective response rate (ORR), duration of response (DOR), time to response (TTR), and safety profile according to NCI-CTCAE v5.0.
Official title: A Multi-center, Open-label, Randomized, Phase II Trial of Sacituzumab Govitecan Plus Toripalimab Versus Toripalimab Plus Nab-Paclitaxel as First-line Therapy in Patients With Unresectable, Locally Advanced or Metastatic Triple-Negative Breast Cancer
Key Details
Gender
FEMALE
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
150
Start Date
2025-09
Completion Date
2028-06
Last Updated
2025-09-08
Healthy Volunteers
No
Conditions
Interventions
Sacituzumab Govitecan (SG)
Sacituzumab govitecan will be administered at 10 mg/kg via intravenous infusion on Days 1 and 8 of each 21-day cycle. The treatment continues until disease progression, unacceptable toxicity, or patient withdrawal.
Toripalimab
Toripalimab will be administered at a fixed dose of 240 mg via intravenous infusion on Day 1 of each 21-day cycle. Treatment continues until disease progression, unacceptable toxicity, or patient withdrawal.
Nab-paclitaxel
Nab-paclitaxel will be administered at 125 mg/m² via intravenous infusion on Days 1 and 8 of each 21-day cycle. Treatment continues until disease progression, unacceptable toxicity, or patient withdrawal.
Locations (1)
Sun Yat-sen Memorial Hospital of Sun Yat-sen University
Guangzhou, Guangdong, China