Poor baseline pulmonary function may not increase the risk of radiation-induced lung toxicity

Jingbo Wang, Jianzhong Cao, Shuanghu Yuan, Wei Ji, Douglas Arenberg, Jianrong Dai, Paul Stanton, Daniel Tatro, Randall K. Ten Haken, Luhua Wang, Feng Ming Kong

Research output: Contribution to journalArticle

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Abstract

Purpose: Poor pulmonary function (PF) is often considered a contraindication to definitive radiation therapy for lung cancer. This study investigated whether baseline PF was associated with radiation-induced lung toxicity (RILT) in patients with non-small cell lung cancer (NSCLC) receiving conformal radiation therapy (CRT). Methods and Materials: NSCLC patients treated with CRT and tested for PF at baseline were eligible. Baseline predicted values of forced expiratory volume in 1 sec (FEV1), forced vital capacity (FVC), and diffusion capacity of lung for carbon monoxide (DLCO) were analyzed. Additional factors included age, gender, smoking status, Karnofsky performance status, coexisting chronic obstructive pulmonary disease (COPD), tumor location, histology, concurrent chemotherapy, radiation dose, and mean lung dose (MLD) were evaluated for RILT. The primary endpoint was symptomatic RILT (SRILT), including grade ≥2 radiation pneumonitis and fibrosis. Results: There was a total of 260 patients, and SRILT occurred in 58 (22.3%) of them. Mean FEV1 values for SRILT and non-SRILT patients were 71.7% and 65.9% (P=.077). Under univariate analysis, risk of SRILT increased with MLD (P=.008), the absence of COPD (P=.047), and FEV1 (P=.077). Age (65 split) and MLD were significantly associated with SRILT in multivariate analysis. The addition of FEV1 and age with the MLD-based model slightly improved the predictability of SRILT (area under curve from 0.63-0.70, P=.088). Conclusions: Poor baseline PF does not increase the risk of SRILT, and combining FEV1, age, and MLD may improve the predictive ability.

Original languageEnglish (US)
Pages (from-to)798-804
Number of pages7
JournalInternational Journal of Radiation Oncology Biology Physics
Volume85
Issue number3
DOIs
StatePublished - Mar 1 2013

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pulmonary functions
toxicity
lungs
Radiation
Lung
radiation
Forced Expiratory Volume
dosage
Radiation Pneumonitis
radiation therapy
Radiotherapy
cancer
Non-Small Cell Lung Carcinoma
Chronic Obstructive Pulmonary Disease
age factor
Lung Volume Measurements
Karnofsky Performance Status
fibrosis
Aptitude
histology

ASJC Scopus subject areas

  • Radiation
  • Oncology
  • Radiology Nuclear Medicine and imaging
  • Cancer Research

Cite this

Poor baseline pulmonary function may not increase the risk of radiation-induced lung toxicity. / Wang, Jingbo; Cao, Jianzhong; Yuan, Shuanghu; Ji, Wei; Arenberg, Douglas; Dai, Jianrong; Stanton, Paul; Tatro, Daniel; Ten Haken, Randall K.; Wang, Luhua; Kong, Feng Ming.

In: International Journal of Radiation Oncology Biology Physics, Vol. 85, No. 3, 01.03.2013, p. 798-804.

Research output: Contribution to journalArticle

Wang, J, Cao, J, Yuan, S, Ji, W, Arenberg, D, Dai, J, Stanton, P, Tatro, D, Ten Haken, RK, Wang, L & Kong, FM 2013, 'Poor baseline pulmonary function may not increase the risk of radiation-induced lung toxicity', International Journal of Radiation Oncology Biology Physics, vol. 85, no. 3, pp. 798-804. https://doi.org/10.1016/j.ijrobp.2012.06.040
Wang, Jingbo ; Cao, Jianzhong ; Yuan, Shuanghu ; Ji, Wei ; Arenberg, Douglas ; Dai, Jianrong ; Stanton, Paul ; Tatro, Daniel ; Ten Haken, Randall K. ; Wang, Luhua ; Kong, Feng Ming. / Poor baseline pulmonary function may not increase the risk of radiation-induced lung toxicity. In: International Journal of Radiation Oncology Biology Physics. 2013 ; Vol. 85, No. 3. pp. 798-804.
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abstract = "Purpose: Poor pulmonary function (PF) is often considered a contraindication to definitive radiation therapy for lung cancer. This study investigated whether baseline PF was associated with radiation-induced lung toxicity (RILT) in patients with non-small cell lung cancer (NSCLC) receiving conformal radiation therapy (CRT). Methods and Materials: NSCLC patients treated with CRT and tested for PF at baseline were eligible. Baseline predicted values of forced expiratory volume in 1 sec (FEV1), forced vital capacity (FVC), and diffusion capacity of lung for carbon monoxide (DLCO) were analyzed. Additional factors included age, gender, smoking status, Karnofsky performance status, coexisting chronic obstructive pulmonary disease (COPD), tumor location, histology, concurrent chemotherapy, radiation dose, and mean lung dose (MLD) were evaluated for RILT. The primary endpoint was symptomatic RILT (SRILT), including grade ≥2 radiation pneumonitis and fibrosis. Results: There was a total of 260 patients, and SRILT occurred in 58 (22.3{\%}) of them. Mean FEV1 values for SRILT and non-SRILT patients were 71.7{\%} and 65.9{\%} (P=.077). Under univariate analysis, risk of SRILT increased with MLD (P=.008), the absence of COPD (P=.047), and FEV1 (P=.077). Age (65 split) and MLD were significantly associated with SRILT in multivariate analysis. The addition of FEV1 and age with the MLD-based model slightly improved the predictability of SRILT (area under curve from 0.63-0.70, P=.088). Conclusions: Poor baseline PF does not increase the risk of SRILT, and combining FEV1, age, and MLD may improve the predictive ability.",
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AU - Wang, Jingbo

AU - Cao, Jianzhong

AU - Yuan, Shuanghu

AU - Ji, Wei

AU - Arenberg, Douglas

AU - Dai, Jianrong

AU - Stanton, Paul

AU - Tatro, Daniel

AU - Ten Haken, Randall K.

AU - Wang, Luhua

AU - Kong, Feng Ming

PY - 2013/3/1

Y1 - 2013/3/1

N2 - Purpose: Poor pulmonary function (PF) is often considered a contraindication to definitive radiation therapy for lung cancer. This study investigated whether baseline PF was associated with radiation-induced lung toxicity (RILT) in patients with non-small cell lung cancer (NSCLC) receiving conformal radiation therapy (CRT). Methods and Materials: NSCLC patients treated with CRT and tested for PF at baseline were eligible. Baseline predicted values of forced expiratory volume in 1 sec (FEV1), forced vital capacity (FVC), and diffusion capacity of lung for carbon monoxide (DLCO) were analyzed. Additional factors included age, gender, smoking status, Karnofsky performance status, coexisting chronic obstructive pulmonary disease (COPD), tumor location, histology, concurrent chemotherapy, radiation dose, and mean lung dose (MLD) were evaluated for RILT. The primary endpoint was symptomatic RILT (SRILT), including grade ≥2 radiation pneumonitis and fibrosis. Results: There was a total of 260 patients, and SRILT occurred in 58 (22.3%) of them. Mean FEV1 values for SRILT and non-SRILT patients were 71.7% and 65.9% (P=.077). Under univariate analysis, risk of SRILT increased with MLD (P=.008), the absence of COPD (P=.047), and FEV1 (P=.077). Age (65 split) and MLD were significantly associated with SRILT in multivariate analysis. The addition of FEV1 and age with the MLD-based model slightly improved the predictability of SRILT (area under curve from 0.63-0.70, P=.088). Conclusions: Poor baseline PF does not increase the risk of SRILT, and combining FEV1, age, and MLD may improve the predictive ability.

AB - Purpose: Poor pulmonary function (PF) is often considered a contraindication to definitive radiation therapy for lung cancer. This study investigated whether baseline PF was associated with radiation-induced lung toxicity (RILT) in patients with non-small cell lung cancer (NSCLC) receiving conformal radiation therapy (CRT). Methods and Materials: NSCLC patients treated with CRT and tested for PF at baseline were eligible. Baseline predicted values of forced expiratory volume in 1 sec (FEV1), forced vital capacity (FVC), and diffusion capacity of lung for carbon monoxide (DLCO) were analyzed. Additional factors included age, gender, smoking status, Karnofsky performance status, coexisting chronic obstructive pulmonary disease (COPD), tumor location, histology, concurrent chemotherapy, radiation dose, and mean lung dose (MLD) were evaluated for RILT. The primary endpoint was symptomatic RILT (SRILT), including grade ≥2 radiation pneumonitis and fibrosis. Results: There was a total of 260 patients, and SRILT occurred in 58 (22.3%) of them. Mean FEV1 values for SRILT and non-SRILT patients were 71.7% and 65.9% (P=.077). Under univariate analysis, risk of SRILT increased with MLD (P=.008), the absence of COPD (P=.047), and FEV1 (P=.077). Age (65 split) and MLD were significantly associated with SRILT in multivariate analysis. The addition of FEV1 and age with the MLD-based model slightly improved the predictability of SRILT (area under curve from 0.63-0.70, P=.088). Conclusions: Poor baseline PF does not increase the risk of SRILT, and combining FEV1, age, and MLD may improve the predictive ability.

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