Xiangyu Zhang1, Liang Zeng1, Yizhi Li1, Qinqin Xu2, Haiyan Yang1, Analyn Lizaso3, Xinru Mao3, Ren'an Jin4, Yu Zeng5, Qinglin Li6, Jianbo Wang7, Yang Li8, Yongchang Zhang9,10, Nong Yang11,12. 1. Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China. 2. Qinghai Provincial People's Hospital, Xining, 810000, China. 3. Burning Rock Biotech, Guangzhou, 510300, China. 4. Sir Run Run Shaw Hospital, Zhejiang University, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China. 5. Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China. 6. Cancer Hospital, University of Chinese Academy of Sciences, Hangzhou, 310022, Zhejiang, China. 7. Department of Radiotherapy, Qilu Hospital of Shandong University, Jinan City, Shandong, China. 8. Department of Genetics, School of Life Science, Anhui Medical University, Hefei, China. 9. Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China. zhangyongchang@csu.edu.cn. 10. Graduate School, University of South China, Hengyang, 421001, Hunan, China. zhangyongchang@csu.edu.cn. 11. Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China. yangnong0217@163.cn. 12. Graduate School, University of South China, Hengyang, 421001, Hunan, China. yangnong0217@163.cn.
Abstract
BACKGROUND: This study evaluated the efficacy and safety of anlotinib combined with programmed cell death protein 1 (PD-1) blockade for the treatment of small-cell lung cancer (SCLC) and non-small-cell lung cancer (NSCLC). PATIENTS AND METHODS: SCLC (n = 28) and NSCLC (n = 177) patients who received treatment at Hunan Cancer Hospital between June 1, 2019, and July 1, 2020, were retrospectively analyzed. Progression-free survival (PFS) and treatment responses were compared among patients who received combination therapy of anlotinib plus PD-1 inhibitor, or monotherapy of either chemotherapy or PD-1 inhibitor. Independent prognostic factors were identified by Cox regression analysis. RESULTS: Patients with relapsed SCLC who received anlotinib plus PD-1 inhibitor as a ≥ second-line therapy (n = 14) had a significantly longer PFS than those who received PD-1 inhibitor alone (n = 14, 5.0 vs. 3.0 months; P = 0.005). For patients with previously untreated wild-type NSCLC, the combination therapy in the first-line setting (n = 6) provided a marginally longer PFS than mono-chemotherapy (n = 6, 8.0 vs. 3.0 months; P = 0.075). For patients with relapsed NSCLC, the combination therapy in the ≥ second-line setting (n = 62) resulted in significantly higher objective response rate (19.3 vs. 5.0 vs. 2.4%; P = 0.013) and longer PFS (8.0 vs. 2.0 vs. 2.0 months; P <0.001) as compared to monotherapy of either chemotherapy (n = 41) or PD-1 inhibitor (n = 62). Anlotinib and PD-1 blockade combination therapy was an independent predictive factor of longer PFS (P <0.001). CONCLUSION: The combination of anlotinib and PD-1 inhibitor has promising efficacy and manageable toxicity as a second- or later-line treatment of relapsed NSCLC and possibly for relapsed SCLC.
BACKGROUND: This study evaluated the efficacy and safety of anlotinib combined with programmed cell death protein 1 (PD-1) blockade for the treatment of small-cell lung cancer (SCLC) and non-small-cell lung cancer (NSCLC). PATIENTS AND METHODS: SCLC (n = 28) and NSCLC (n = 177) patients who received treatment at Hunan Cancer Hospital between June 1, 2019, and July 1, 2020, were retrospectively analyzed. Progression-free survival (PFS) and treatment responses were compared among patients who received combination therapy of anlotinib plus PD-1 inhibitor, or monotherapy of either chemotherapy or PD-1 inhibitor. Independent prognostic factors were identified by Cox regression analysis. RESULTS:Patients with relapsed SCLC who received anlotinib plus PD-1 inhibitor as a ≥ second-line therapy (n = 14) had a significantly longer PFS than those who received PD-1 inhibitor alone (n = 14, 5.0 vs. 3.0 months; P = 0.005). For patients with previously untreated wild-type NSCLC, the combination therapy in the first-line setting (n = 6) provided a marginally longer PFS than mono-chemotherapy (n = 6, 8.0 vs. 3.0 months; P = 0.075). For patients with relapsed NSCLC, the combination therapy in the ≥ second-line setting (n = 62) resulted in significantly higher objective response rate (19.3 vs. 5.0 vs. 2.4%; P = 0.013) and longer PFS (8.0 vs. 2.0 vs. 2.0 months; P <0.001) as compared to monotherapy of either chemotherapy (n = 41) or PD-1 inhibitor (n = 62). Anlotinib and PD-1 blockade combination therapy was an independent predictive factor of longer PFS (P <0.001). CONCLUSION: The combination of anlotinib and PD-1 inhibitor has promising efficacy and manageable toxicity as a second- or later-line treatment of relapsed NSCLC and possibly for relapsed SCLC.
Entities:
Keywords:
Anlotinib; Immunotherapy; Lung cancer; Programmed death 1 inhibitor
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