Abstract
Purpose
The study seeks to prospectively evaluate pulmonary function and quality of life (QOL) in medically inoperable early-stage lung cancer patients undergoing stereotactic body radiotherapy (SBRT).
Methods
QOL was assessed by Functional Assessment of Cancer Therapy-Lung (FACT-L) and the UCSD Medical Center Pulmonary Rehabilitation Program Shortness-of-Breath Questionnaire before and after SBRT at 6 weeks, and every 3 months until 12 months. Clinical investigations included pulmonary functions tests and blood profile and chemistries. SBRT was delivered on a Novalis/BrainLab system.
Results
Twenty-one analyzable patients were enrolled between July 2008 to April 2009. There were 12 males (52.4 %), 14 patients (66.7 %) had Zubrod performance 1, the median age was 77 years (range 61–90), and 87 % was inoperable because of pulmonary impairment. Median tumor size was 3.0 cm (range 1–4.6). Median follow-up was 17.6 months. One-year local control was 100 %. There were no significant changes in the median total FACT-L scores: 109 at baseline compared to 112 at 1 year. Mean UCSD scores were not significant for the year. No significant changes in mean baseline compared to 1-year FEV1 and 6-min walks as % predicted were seen but a significant DLCO change (p = 0.012) was attributed to the decreased range in the standard deviations.
Conclusions
Following SBRT, QOL is not significantly degraded. Pulmonary function is likewise not significantly impaired overall. Along with favorable survival results, these findings confirm that SBRT is appropriate for this patient population.
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Conflict of interest statement
With respect to submitting this original manuscript titled:
A prospective study of quality of life including fatigue and pulmonary function after stereotactic body radiotherapy for medically inoperable early-stage lung cancer.
I declare formally and on behalf of Chandana A. Reddy, MS, Lisa Sorenson, MSN, CNP and myself that we have no conflicts of interest to report in conducting or reporting on the research for this study. No funding was received by any of the authors from any source to carry out this research, and there are no conflicting financial relationships for any of the authors with respect to the research conducted, the data analyzed or the results of this research. As the lead and corresponding author for this manuscript, I have full control of all primary data and I agree to allow the journal to review the data for this study if requested.
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Videtic, G.M.M., Reddy, C.A. & Sorenson, L. A prospective study of quality of life including fatigue and pulmonary function after stereotactic body radiotherapy for medically inoperable early-stage lung cancer. Support Care Cancer 21, 211–218 (2013). https://doi.org/10.1007/s00520-012-1513-9
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DOI: https://doi.org/10.1007/s00520-012-1513-9