Stereotactic Body Radiation Therapy for Inoperable Early Stage Lung Cancer
Author Information
Author(s): Wu Dajun, Zhu Hong, Tang Hanjun, Li Changlin, Xu Feng
Primary Institution: West China Hospital, Sichuan University
Hypothesis
To evaluate the clinical efficacy and toxicity of stereotactic body radiation therapy (SBRT) using extracranial gamma knife in patients with mainly bulky inoperable early stage non-small cell lung carcinoma (NSCLC).
Conclusion
SBRT is an effective and safe therapy for medically inoperable patients with early stage NSCLC, but the overall local control for bulky tumors is poor.
Supporting Evidence
- The local tumor response rate was 95.35%, with 18.60% complete response and 76.74% partial response.
- The overall survival rate at 1, 2, 3, and 5 years were 92.04%, 78.04%, 62.76%, and 42.61%, respectively.
- Toxicity was mild, with no patients experiencing grade 3 or above side effects.
Takeaway
Doctors used a special type of radiation treatment to help patients with lung cancer that couldn't be operated on, and it worked pretty well, but bigger tumors were harder to treat.
Methodology
43 patients with bulky early stage NSCLC received SBRT using gamma knife, with doses tailored based on tumor characteristics.
Potential Biases
The study may have selection bias as it was retrospective and involved patients who were not candidates for surgery.
Limitations
The dose fractionation schedule was not uniform, and the study was retrospective.
Participant Demographics
{"gender":{"male":32,"female":11},"age":{"median":69,"range":"46-81"},"comorbidities":{"yes":33,"no":10}}
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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