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Article Open Access

Immunotherapy beyond progression following first‑line chemotherapy plus immunotherapy in advanced non‑small cell lung cancer: A retrospective study

  • Authors:
    • Xinyue Gu
    • Yue Hu
    • Ishanee Devi Mungur
    • Feifei Gu
    • Ying Xiong
    • Jin Cui
    • Luhui Zhong
    • Kai Zhang
    • Li Liu
  • View Affiliations / Copyright

    Affiliations: Cancer Center, Institute of Radiation Oncology, Hubei Key Laboratory of Precision Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China, Accident and Emergency Department, New Souillac Hospital, Souillac, Savanne 61801, Mauritius
    Copyright: © Gu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 90
    |
    Published online on: December 5, 2024
       https://doi.org/10.3892/ol.2024.14836
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Abstract

Immunotherapy has paved the way for new treatment options for advanced non‑small cell lung cancer (NSCLC). However, for patients who have progressed following first‑line immunotherapy combined with chemotherapy, little is known about the benefits of the continuation of immunotherapy. Thus, the current study aimed to evaluate the efficacy of immunotherapy beyond progression (IBP) in patients with advanced NSCLC. A retrospective review of patients with advanced NSCLC who experienced disease progression after receiving a combination of ICIs and chemotherapy was conducted. Kaplan‑Meier survival analysis was used to estimate progression‑free survival (PFS) and overall survival (OS) times, and log‑rank tests were employed to compare inter‑group differences. Cox regression analyses were performed to identify independent factors associated with OS and PFS. In total, 136 patients who had disease progression after prior immunotherapy were included. A comparison of patients who were treated with ICIs after disease progression (IBP group) and those who received other treatments (non‑IBP group) demonstrated a higher disease control rate after second‑line treatment for the IBP group (89.8 vs. 70.8%, respectively; P=0.005). Kaplan‑Meier curve analysis showed statistical differences in PFS2 (interval from the second‑line treatment to progression or death for any reason; P=0.012) and OS (P=0.041). Subgroup analyses indicated superior clinical outcomes for the IBP group. Multivariate analyses revealed IBP to be an independent factor associated with improved PFS2 (hazard ratio, 0.613; 95% confidence interval, 0.403‑0.933; P=0.022). In conclusion, favorable clinical outcomes for IBP were observed, and IBP remains a viable choice for patients with advanced NSCLC.
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Copy and paste a formatted citation
Spandidos Publications style
Gu X, Hu Y, Mungur ID, Gu F, Xiong Y, Cui J, Zhong L, Zhang K and Liu L: Immunotherapy beyond progression following first‑line chemotherapy plus immunotherapy in advanced non‑small cell lung cancer: A retrospective study. Oncol Lett 29: 90, 2025.
APA
Gu, X., Hu, Y., Mungur, I.D., Gu, F., Xiong, Y., Cui, J. ... Liu, L. (2025). Immunotherapy beyond progression following first‑line chemotherapy plus immunotherapy in advanced non‑small cell lung cancer: A retrospective study. Oncology Letters, 29, 90. https://doi.org/10.3892/ol.2024.14836
MLA
Gu, X., Hu, Y., Mungur, I. D., Gu, F., Xiong, Y., Cui, J., Zhong, L., Zhang, K., Liu, L."Immunotherapy beyond progression following first‑line chemotherapy plus immunotherapy in advanced non‑small cell lung cancer: A retrospective study". Oncology Letters 29.2 (2025): 90.
Chicago
Gu, X., Hu, Y., Mungur, I. D., Gu, F., Xiong, Y., Cui, J., Zhong, L., Zhang, K., Liu, L."Immunotherapy beyond progression following first‑line chemotherapy plus immunotherapy in advanced non‑small cell lung cancer: A retrospective study". Oncology Letters 29, no. 2 (2025): 90. https://doi.org/10.3892/ol.2024.14836
Copy and paste a formatted citation
x
Spandidos Publications style
Gu X, Hu Y, Mungur ID, Gu F, Xiong Y, Cui J, Zhong L, Zhang K and Liu L: Immunotherapy beyond progression following first‑line chemotherapy plus immunotherapy in advanced non‑small cell lung cancer: A retrospective study. Oncol Lett 29: 90, 2025.
APA
Gu, X., Hu, Y., Mungur, I.D., Gu, F., Xiong, Y., Cui, J. ... Liu, L. (2025). Immunotherapy beyond progression following first‑line chemotherapy plus immunotherapy in advanced non‑small cell lung cancer: A retrospective study. Oncology Letters, 29, 90. https://doi.org/10.3892/ol.2024.14836
MLA
Gu, X., Hu, Y., Mungur, I. D., Gu, F., Xiong, Y., Cui, J., Zhong, L., Zhang, K., Liu, L."Immunotherapy beyond progression following first‑line chemotherapy plus immunotherapy in advanced non‑small cell lung cancer: A retrospective study". Oncology Letters 29.2 (2025): 90.
Chicago
Gu, X., Hu, Y., Mungur, I. D., Gu, F., Xiong, Y., Cui, J., Zhong, L., Zhang, K., Liu, L."Immunotherapy beyond progression following first‑line chemotherapy plus immunotherapy in advanced non‑small cell lung cancer: A retrospective study". Oncology Letters 29, no. 2 (2025): 90. https://doi.org/10.3892/ol.2024.14836
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