Tislelizumab Combined with Nab-Paclitaxel for First-Line Treatment of Advanced Triple-Negative Breast Cancer with Bone Metastasis，an Exploratory, Single-Arm, Multicenter Phase II Clinical Study

The goal of this clinical trial is to learn if Tislelizumab Combined with Nab-Paclitaxel works to treat patients of TNBC with bone metastasis as first line treatment. It will also learn about the safety of the combination. The main questions it aims to answer are: How effective is the combination therapy of tislelizumab and nab-paclitaxel in treating advanced first-line triple-negative breast cancer with bone metastasis? And is it safe? Participants will: * Receive the treatment as follows: Tislelizumab, 200mg, intravenous, every 3 weeks; nab-paclitaxel, 125mg/m2 on day 1 and day 8, followed by once every three weeks; RANKL inhibitor chosen by investigator is administered at a dose of 120 mg every 4 weeks, with dosing on Days 1, 8, and 15 during the first cycle. * Visit the clinic once every 3 weeks for checkups and tests * Keep a diary of their symptoms and the number of times they use a rescue inhaler

NCT Number	NCT06538896
Lead Sponsor	Zhejiang Cancer Hospital
Conditions	Triple-negative Breast Cancer, Bone Metastases
Enrollment	20 participants
Start Date	2024-08-20
Primary Completion	2026-12 (estimated)
Study Completion	2027-05 (estimated)
Updated on ClinicalTrials.gov	2024-11-26