Abstract
Objectives
This prospective trial was performed to verify whether microwave ablation (MWA) in combination with chemotherapy could provide superior survival benefit compared with chemotherapy alone.
Materials and methods
From March 1, 2015, to June 20, 2017, treatment-naïve patients with pathologically verified advanced or recurrent non-small cell lung cancer (NSCLC) were randomly assigned to MWA plus chemotherapy group or chemotherapy group. The primary endpoint was progression-free survival (PFS), while the secondary endpoints included overall survival (OS), time to local progression (TTLP), and objective response rate (ORR). The complications and adverse events were also reported.
Results
A total of 293 patients were randomly assigned into the two groups. One hundred forty-eight patients with 117 stage IV tumors were included in the MWA plus chemotherapy group. One hundred forty-five patients with 113 stage IV tumors were included in the chemotherapy group. The median follow-up period was 13.1 months and 12.4 months, respectively. Median PFS was 10.3 months (95% CI 8.0–13.0) in the MWA plus chemotherapy group and 4.9 months (95% CI 4.2–5.7) in the chemotherapy group (HR = 0.44, 95% CI 0.28–0.53; p < 0.0001). Median OS was not reached in the MWA plus chemotherapy group and 12.6 months (95% CI 10.6–14.6) in the chemotherapy group (HR = 0.38, 95% CI 0.27–0.53; p < 0.0001) using Kaplan-Meier analyses with log-rank test. The median TTLP was 24.5 months, and the ORR was 32% in both groups. The adverse event rate was not significantly different in the two groups.
Conclusions
In patients with advanced NSCLC, longer PFS and OS can be achieved with the treatment of combined MWA and chemotherapy than chemotherapy alone.
Key Points
• Patients treated with MWA plus chemotherapy had superior PFS and OS over those treated with chemotherapy alone.
• The ORR of patients treated with MWA plus chemotherapy was similar to that of those treated with chemotherapy alone.
• Complications associated with MWA were common but tolerable and manageable.
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Abbreviations
- AUC:
-
Area under the curve
- CI:
-
Confident interval
- CTCAE:
-
Common Terminology Criteria Adverse Events Version
- DCR:
-
Disease control rate
- ECOG:
-
Eastern Cooperation Oncology Group
- EGFR:
-
Epidermal growth factor receptor
- EML4-ALK:
-
Echinoderm microtubule–associated protein-like 4-anaplastic lymphoma kinase
- GGO:
-
Ground glass opacity
- HR:
-
Hazard ratio
- MWA:
-
Microwave ablation
- NSCLC:
-
Non-small cell lung cancer
- ORR:
-
Objective response rate
- OS:
-
Overall survival
- PD-L1:
-
Program death-ligand 1
- PFS:
-
Progression-free survival
- PS:
-
Performance status
- RECIST:
-
Response Evaluation Criteria in Solid Tumors
- SIR:
-
Society of Interventional Radiology
- TKIs:
-
Tyrosine kinase inhibitors
- TTLP:
-
Time to local progression
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Acknowledgments
The authors thank Professor Luigi Solbiati for medical writing assistance.
Funding
This study has received funding from the Funding Development Center for Medical Science and Technology National Health and Family Planning Commission of People’s Republic of China (W2015XR03), Shandong Province Medical and Health Science and Technology Development Projects (2014WS0346), and Technology Development Project the China international Medical Exchange Foundation (2012G0021824).
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The scientific guarantor of this publication is Xin Ye.
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The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
Statistics and biometry
Both Fan Li and Hua Fan have significant statistical expertise.
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Written informed consent was obtained from all subjects patients in this study.
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Institutional Review Board approval was obtained from all centers.
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• prospective
• randomized controlled trial
• multicenter study
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Wei, Z., Yang, X., Ye, X. et al. Microwave ablation plus chemotherapy versus chemotherapy in advanced non-small cell lung cancer: a multicenter, randomized, controlled, phase III clinical trial. Eur Radiol 30, 2692–2702 (2020). https://doi.org/10.1007/s00330-019-06613-x
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DOI: https://doi.org/10.1007/s00330-019-06613-x