Anlotinib as Maintenance Therapy After First-Line Chemotherapy Combined with Consolidation Radiation for Extensive-Stage Small Cell Lung Cancer

Background Small cell lung cancer is sensitive to chemotherapy and radiotherapy, but local recurrence and distant metastasis occur shortly after treatment. This study aimed to evaluate the real-world value of anlotinib as a maintenance therapy in patients with extensive-stage small cell lung cancer...

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Main Authors: Jinbo Ma MD, Xiaoyan Ma MS, Wei Zhang MD, Shanliang Hu MS, Rukun Zang MS, Xiaolong Wu MS, Jie Song MD
Format: Article
Language:English
Published: SAGE Publishing 2025-01-01
Series:Technology in Cancer Research & Treatment
Online Access:https://doi.org/10.1177/15330338251317571
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author Jinbo Ma MD
Xiaoyan Ma MS
Wei Zhang MD
Shanliang Hu MS
Rukun Zang MS
Xiaolong Wu MS
Jie Song MD
author_facet Jinbo Ma MD
Xiaoyan Ma MS
Wei Zhang MD
Shanliang Hu MS
Rukun Zang MS
Xiaolong Wu MS
Jie Song MD
author_sort Jinbo Ma MD
collection DOAJ
description Background Small cell lung cancer is sensitive to chemotherapy and radiotherapy, but local recurrence and distant metastasis occur shortly after treatment. This study aimed to evaluate the real-world value of anlotinib as a maintenance therapy in patients with extensive-stage small cell lung cancer (ES-SCLC) after first-line chemotherapy and consolidative thoracic radiotherapy (CTRT). Patients and Methods A total of 150 patients with ES-SCLC treated with first-line chemotherapy and CTRT from April 2017 to December 2021 were retrospectively analyzed. After the completion of chemoradiotherapy, patients received anlotinib according to their desire. The primary endpoints were progression-free survival (PFS) and overall survival (OS) after the first diagnosis, and the secondary endpoints were prognostic factors and safety. Results The ORR and DCR of patients with ES-SCLC were 50.0% and 80.3%, respectively, in the anlotinib group and 42.9% and 69.0% in the no-maintenance therapy group. The 3-year OS rates were 27.6% and 12.6% in the anlotinib and observation groups (HR = 2.52, P  = 0.003), and the median OS times were 23.8 months and 15.3 months. The 3-year PFS rates were 18.2% and 8.8% in the anlotinib and observation groups (HR = 1.76, P  = 0.034) with median PFS times of 11.5 months and 8.8 months. After stratification on the basis of clinical response, patients who achieved CR plus PR after chemoradiotherapy had a longer median OS in the anlotinib and observation groups (34.0 months vs 24.8 months, HR = 2.40, P  = 0.009). There were higher incidence rates of hand–foot syndrome (27.3% vs 10.5%, P  = 0.001), gingival bleeding/hemoptysis (18.5% vs 4.8%, P  = 0.015) and rash (33.3% vs 4.8%, P  < 0.001) in the anlotinib group than in the observation group. Conclusion Maintenance therapy with anlotinib improved the survival of patients with ES-SCLC after first-line chemotherapy and CTRT. Owing to the small sample size of the real-world trial, the reliability of our study needs to be confirmed in more studies.
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spelling doaj-art-ac6c5c8eff3046e681a27b69061a24052025-01-31T15:04:03ZengSAGE PublishingTechnology in Cancer Research & Treatment1533-03382025-01-012410.1177/15330338251317571Anlotinib as Maintenance Therapy After First-Line Chemotherapy Combined with Consolidation Radiation for Extensive-Stage Small Cell Lung CancerJinbo Ma MD0Xiaoyan Ma MS1Wei Zhang MD2Shanliang Hu MS3Rukun Zang MS4Xiaolong Wu MS5Jie Song MD6 Department of Radiation Oncology, , Yantai, P.R. China Department of Radiation Oncology, , Yantai, P.R. China Department of Radiation Oncology, , Yantai, P.R. China Department of Radiation Oncology, , Yantai, P.R. China Department of Radiation Oncology, , Yantai, P.R. China Department of Radiation Oncology, , Yantai, P.R. China Department of Respiratory Medicine, , Yantai, P.R. ChinaBackground Small cell lung cancer is sensitive to chemotherapy and radiotherapy, but local recurrence and distant metastasis occur shortly after treatment. This study aimed to evaluate the real-world value of anlotinib as a maintenance therapy in patients with extensive-stage small cell lung cancer (ES-SCLC) after first-line chemotherapy and consolidative thoracic radiotherapy (CTRT). Patients and Methods A total of 150 patients with ES-SCLC treated with first-line chemotherapy and CTRT from April 2017 to December 2021 were retrospectively analyzed. After the completion of chemoradiotherapy, patients received anlotinib according to their desire. The primary endpoints were progression-free survival (PFS) and overall survival (OS) after the first diagnosis, and the secondary endpoints were prognostic factors and safety. Results The ORR and DCR of patients with ES-SCLC were 50.0% and 80.3%, respectively, in the anlotinib group and 42.9% and 69.0% in the no-maintenance therapy group. The 3-year OS rates were 27.6% and 12.6% in the anlotinib and observation groups (HR = 2.52, P  = 0.003), and the median OS times were 23.8 months and 15.3 months. The 3-year PFS rates were 18.2% and 8.8% in the anlotinib and observation groups (HR = 1.76, P  = 0.034) with median PFS times of 11.5 months and 8.8 months. After stratification on the basis of clinical response, patients who achieved CR plus PR after chemoradiotherapy had a longer median OS in the anlotinib and observation groups (34.0 months vs 24.8 months, HR = 2.40, P  = 0.009). There were higher incidence rates of hand–foot syndrome (27.3% vs 10.5%, P  = 0.001), gingival bleeding/hemoptysis (18.5% vs 4.8%, P  = 0.015) and rash (33.3% vs 4.8%, P  < 0.001) in the anlotinib group than in the observation group. Conclusion Maintenance therapy with anlotinib improved the survival of patients with ES-SCLC after first-line chemotherapy and CTRT. Owing to the small sample size of the real-world trial, the reliability of our study needs to be confirmed in more studies.https://doi.org/10.1177/15330338251317571
spellingShingle Jinbo Ma MD
Xiaoyan Ma MS
Wei Zhang MD
Shanliang Hu MS
Rukun Zang MS
Xiaolong Wu MS
Jie Song MD
Anlotinib as Maintenance Therapy After First-Line Chemotherapy Combined with Consolidation Radiation for Extensive-Stage Small Cell Lung Cancer
Technology in Cancer Research & Treatment
title Anlotinib as Maintenance Therapy After First-Line Chemotherapy Combined with Consolidation Radiation for Extensive-Stage Small Cell Lung Cancer
title_full Anlotinib as Maintenance Therapy After First-Line Chemotherapy Combined with Consolidation Radiation for Extensive-Stage Small Cell Lung Cancer
title_fullStr Anlotinib as Maintenance Therapy After First-Line Chemotherapy Combined with Consolidation Radiation for Extensive-Stage Small Cell Lung Cancer
title_full_unstemmed Anlotinib as Maintenance Therapy After First-Line Chemotherapy Combined with Consolidation Radiation for Extensive-Stage Small Cell Lung Cancer
title_short Anlotinib as Maintenance Therapy After First-Line Chemotherapy Combined with Consolidation Radiation for Extensive-Stage Small Cell Lung Cancer
title_sort anlotinib as maintenance therapy after first line chemotherapy combined with consolidation radiation for extensive stage small cell lung cancer
url https://doi.org/10.1177/15330338251317571
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