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Supplementary Figure from Famitinib with Camrelizumab and Nab-Paclitaxel for Advanced Immunomodulatory Triple-Negative Breast Cancer (FUTURE-C-Plus): An Open-Label, Single-Arm, Phase II Trial

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posted on 2023-03-31, 23:48 authored by Li Chen, Yi-Zhou Jiang, Song-Yang Wu, Jiong Wu, Gen-Hong Di, Guang-Yu Liu, Ke-Da Yu, Lei Fan, Jun-Jie Li, Yi-Feng Hou, Zhen Hu, Can-Ming Chen, Xiao-Yan Huang, A-Yong Cao, Xin Hu, Shen Zhao, Xiao-Yan Ma, Ying Xu, Xiang-Jie Sun, Wen-Jun Chai, Xiaomao Guo, Xizi Chen, Yanhui Xu, Xiao-Yu Zhu, Jian-Jun Zou, Wen-Tao Yang, Zhong-Hua Wang, Zhi-Ming Shao
Supplementary Figure from Famitinib with Camrelizumab and Nab-Paclitaxel for Advanced Immunomodulatory Triple-Negative Breast Cancer (FUTURE-C-Plus): An Open-Label, Single-Arm, Phase II Trial

Funding

National Key Research and Development Project of China

National Natural Science Foundation of China

Program of Shanghai Academic

Technology Research Leader

Shanghai Key Laboratory of Breast Cancer

Clinical Research Plan of SHDC

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ARTICLE ABSTRACT

Camrelizumab, an mAb against programmed cell death protein 1 (PD-1), plus nab-paclitaxel exhibited promising antitumor activity in refractory metastatic immunomodulatory triple-negative breast cancer (TNBC). Famitinib is a tyrosine kinase inhibitor targeting VEGFR2, PDGFR, and c-kit. We aimed to assess the efficacy and safety of a novel combination of famitinib, camrelizumab, and nab-paclitaxel in advanced immunomodulatory TNBC. This open-label, single-arm, phase II study enrolled patients with previously untreated, advanced, immunomodulatory TNBC (CD8 IHC staining ≥10%). Eligible patients received 20 mg of oral famitinib on days 1 to 28, 200 mg of i.v. camrelizumab on days 1 and 15, and i.v. nab-paclitaxel 100 mg/m2 on days 1, 8, and 15 in 4-week cycles. The primary endpoint was objective response rate (ORR), as assessed by investigators per RECIST v1.1. Key secondary endpoints were progression-free survival (PFS), overall survival (OS), duration of response (DOR), safety, and exploratory biomarkers. Forty-eight patients were enrolled and treated. Median follow-up was 17.0 months (range, 8.7–24.3). Confirmed ORR was 81.3% [95% confidence interval (CI), 70.2–92.3], with five complete and 34 partial responses. Median PFS was 13.6 months (95% CI, 8.4–18.8), and median DOR was 14.9 months [95% CI, not estimable (NE)–NE]. Median OS was not reached. No treatment-related deaths were reported. Among 30 patients with IHC, 13 (43.3%) were programmed death-ligand 1 (PD-L1)–negative, and PD-L1 was associated with favorable response. PKD1 and KAT6A somatic mutations were associated with therapy response. The triplet regimen was efficacious and well tolerated in previously untreated, advanced, immunomodulatory TNBC. The randomized controlled FUTURE-SUPER trial is under way to validate our findings.See related commentary by Salgado and Loi, p. 2728

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