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• W4255048944 abstract "4561 Background: In 2011, of 8260 cases of Germ Cell Tumor (GCT) in the US, about 350 (4%) died of disease. The impact of smoking on disease outcomes of relapse and death is unknown. Methods: Retrospective review of 891 GCT pts treated at Dana-Farber Cancer Institute (DFCI) between 1997 and 2010 was conducted. Inclusion criteria were men age>18 yrs treated for GCT with a quantified smoking history in an electronic medical record. The outcomes of interest were relapse after first-line chemotherapy and death from the disease. A Chi-square or Fisher’s exact test assessed the association of the disease outcomes and the smoking history (heavy smoker vs. less), and a Wilcoxon test for ordered categories assessed the association of the outcomes with the IGCCCG risk groups (good, intermediate, and poor), stratified by histology (seminoma vs non-seminoma (NS)). Results: 327 men with metastatic disease were identified. Median age was 31.5 years. 47(14%) had a history of smoking >10 pack-years (pyrs). Of the 256 NSGCT pts with metastases at time of chemotherapy, pts who smoked >10 pyrs constituted 27% of the 64 relapses vs. 11% of the 192 non-relapses (Odds Ratio (OR) 2.9, p=0.003). Of the 71 metastatic seminoma pts, 40% of the 10 relapses had smoked >10 pyrs compared with 8% of the 61 pts who did not relapse (OR 7.5, p=0.01). Smoking >10 pyrs was associated with (i) higher IGCCCG risk at time of metastatic disease [24% of poor-risk pts had a >10 pyr history compared with 12% who had good-risk or 19% who had intermediate-risk (p=0.01)] and (ii) higher staging at initial diagnosis, 23% of poor-risk pts were heavy smokers compared with 9% who were CS1 and 12% good-risk (p=0.002). Of the 50 pts who died of metastatic disease, 36% had smoked >10 pyrs compared to 9% who were cured, Pts who smoked >10 pyrs had significantly increased odds of death compared to those who smoked 0-10 pyrs (OR=5.5, p <0.0001). 3 out of 30 pts who smoked >10 pyrs received suboptimal bleomycin, and only 1 relapsed. Conclusions: Greater than 10 pack-year smoking history is a modifiable risk factor associated with a higher IGCCCG risk at diagnosis of metastatic disease, higher risk of relapse after 1 st -line chemotherapy and higher risk of death from germ cell tumor." @default.
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• W4255048944 date "2013-05-20" @default.
• W4255048944 modified "2023-10-01" @default.
• W4255048944 title "Smoking history and disease outcomes in patients with malignant germ cell tumors." @default.
• W4255048944 doi "https://doi.org/10.1200/jco.2013.31.15_suppl.4561" @default.
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