Cancer Research and Treatment

Original Articles

Lung and Thoracic cancer

Contribution of Enhanced Locoregional Control to Improved Overall Survival with Consolidative Durvalumab after Concurrent Chemoradiotherapy in Locally Advanced Non–Small Cell Lung Cancer: Insights from Real-World Data: Jeong Yun Jang, Si Yeol Song, Young Seob Shin, Ha Un Kim, Eun Kyung Choi, Sang-We Kim, Jae Cheol Lee, Dae Ho Lee, Chang-Min Choi, Shinkyo Yoon, Su Ssan Kim; Cancer Res Treat. 2024;56(3):785-794. Published online January 16, 2024; DOI: https://doi.org/10.4143/crt.2023.1014

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Purpose
This study aimed to assess the real-world clinical outcomes of consolidative durvalumab in patients with unresectable locally advanced non–small cell lung cancer (LA-NSCLC) and to explore the role of radiotherapy in the era of immunotherapy.
Materials and Methods
This retrospective study assessed 171 patients with unresectable LA-NSCLC who underwent concurrent chemoradiotherapy (CCRT) with or without consolidative durvalumab at Asan Medical Center between May 2018 and May 2021. Primary outcomes included freedom from locoregional failure (FFLRF), distant metastasis-free survival (DMFS), progression-free survival (PFS), and overall survival (OS).
Results
Durvalumab following CCRT demonstrated a prolonged median PFS of 20.9 months (p=0.048) and a 3-year FFLRF rate of 57.3% (p=0.008), compared to 13.7 months and 38.8%, respectively, with CCRT alone. Furthermore, the incidence of in-field recurrence was significantly greater in the CCRT-alone group compared to the durvalumab group (26.8% vs. 12.4%, p=0.027). While median OS was not reached with durvalumab, it was 35.4 months in patients receiving CCRT alone (p=0.010). Patients positive for programmed cell death ligand 1 (PD-L1) expression showed notably better outcomes, including FFLRF, DMFS, PFS, and OS. Adherence to PACIFIC trial eligibility criteria identified 100 patients (58.5%) as ineligible. The use of durvalumab demonstrated better survival regardless of eligibility criteria.
Conclusion
The use of durvalumab consolidation following CCRT significantly enhanced locoregional control and OS in patients with unresectable LA-NSCLC, especially in those with PD-L1–positive tumors, thereby validating the role of durvalumab in standard care.

Citations

Citations to this article as recorded by

Efficacy and adverse events of immune checkpoint inhibitors: evidence from non-small cell lung cancer and gastric cancer in Korea and Japan
Mc Neil Valencia, Zeeshan Abbas, Seung Won Lee
Precision and Future Medicine.2025; 9(1): 15. CrossRef
Therapeutic effect of induction therapy including nab-paclitaxel followed by surgical resection for the patients with locally advanced non-small-cell lung cancer
Hidetaka Uramoto, Nozomu Motono, Shun Iwai
Journal of Cardiothoracic Surgery.2024;[Epub] CrossRef

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Clinical Outcome of Stereotactic Body Radiotherapy in Patients with Early-Stage Lung Cancer with Ground-Glass Opacity Predominant Lesions: A Single Institution Experience: Jeong Yun Jang, Su Ssan Kim, Si Yeol Song, Young Seob Shin, Sei Won Lee, Wonjun Ji, Chang-Min Choi, Eun Kyung Choi; Cancer Res Treat. 2023;55(4):1181-1189. Published online March 21, 2023; DOI: https://doi.org/10.4143/crt.2022.1656

Abstract PDF Supplementary Material PubReader ePub

Purpose
The detection rate of early-stage lung cancer with ground-glass opacity (GGO) has increased, and stereotactic body radiotherapy (SBRT) has been suggested as an alternative to surgery in inoperable patients. However, reports on treatment results are limited. Therefore, we performed a retrospective study to investigate the clinical outcome after SBRT in patients with early-stage lung cancer with GGO-predominant tumor lesions at a single institution.
Materials and Methods
This study included 89 patients with 99 lesions who were treated with SBRT for lung cancer with GGO-predominant lesions that had a consolidation-to-tumor ratio of ≤0.5 at Asan Medical Center between July 2016 and July 2021. A median total dose of 56.0 Gy (range, 48.0–60.0) was delivered using 10.0–15.0 Gy per fraction.
Results
The overall follow-up period for the study was median 33.0 months (range, 9.9 to 65.9 months). There was 100% local control with no recurrences in any of the 99 treated lesions. Three patients had regional recurrences outside of the radiation field, and three had distant metastasis. The 1-year, 3-year, and 5-year overall survival rates were 100.0%, 91.6%, and 82.8%, respectively. Univariate analysis revealed that advanced age and a low level of diffusing capacity of the lungs for carbon monoxide were significantly associated with overall survival. There were no patients with grade ≥3 toxicity.
Conclusion
SBRT is a safe and effective treatment for patients with GGO-predominant lung cancer lesions and is likely to be considered as an alternative to surgery.

Citations

Citations to this article as recorded by

Prognostic analysis of helical tomotherapy stereotactic body radiotherapy in multiple primary or second primary lung cancers
Jintao Ma, Xiaohong Xu, Wenhan Huang, Yong Hu, Gang Chen, Jian He
BMC Cancer.2025;[Epub] CrossRef
Place de la radiothérapie en conditions stéréotaxiques dans les cancers bronchiques non à petites cellules localisés
Catherine Durdux, Aurélia Alati
Bulletin du Cancer.2025; 112(3): 3S31. CrossRef
Recent Advancements in Minimally Invasive Surgery for Early Stage Non-Small Cell Lung Cancer: A Narrative Review
Jibran Ahmad Khan, Ibrahem Albalkhi, Sarah Garatli, Marcello Migliore
Journal of Clinical Medicine.2024; 13(11): 3354. CrossRef
The clinical effect of thoracoscopic segmentectomy in the treatment of lung malignancies less than 2CM in diameter
Yafeng Zhang, Renzhong Shi, Xiaoming Xia, Kaiyao Zhang
Journal of Cardiothoracic Surgery.2024;[Epub] CrossRef
Impact of ground-glass component on prognosis in early-stage lung cancer treated with stereotactic body radiotherapy via Helical Tomotherapy
Jintao Ma, Shaonan Fan, Wenhan Huang, Xiaohong Xu, Yong Hu, Jian He
Radiation Oncology.2024;[Epub] CrossRef

4,515 View
228 Download
8 Web of Science
5 Crossref

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