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Articles by Y Ohe
Total Records ( 2 ) for Y Ohe
  T Kohno , H Kunitoh , Y Shimada , K Shiraishi , Y Ishii , K Goto , Y Ohe , Y Nishiwaki , A Kuchiba , S Yamamoto , H Hirose , A Oka , N Yanagitani , R Saito , H Inoko and J. Yokota
 

Adenocarcinoma (ADC) is the commonest histological type of lung cancer, and its weak association with smoking indicates the necessity to identify high-risk individuals for targeted screening and/or prevention. By a genome-wide association study (GWAS), we identified an association of polymorphisms in the 6p21.31 locus containing four human leukocyte antigen (HLA) class II genes with lung ADC risk. DQA1*03 of the HLA-DQA1 gene was defined as a risk allele with odds ratio (OR) of 1.36 [95% confidence interval (CI) = 1.21–1.54, P = 5.3 x 10–7] by analysis of 1656 ADC cases and 1173 controls. DQA1*03 and the minor allele for a polymorphism, rs2736100, in TERT, another lung cancer susceptibility locus identified in recent GWASs on Europeans and Americans, were indicated to independently contribute to ADC risk with per allele OR of 1.43 (95% CI = 1.31–1.56, P = 7.8 x 10–16). Individuals homozygous both for the DQA1*03 and minor TERT alleles were defined as high-risk individuals with an OR of 4.76 (95% CI = 2.53–9.47, P = 4.2 x 10–7). The present results indicated that individuals susceptible to lung ADC can be defined by combined genotypes of HLA-DQA1 and TERT.

  I Sekine , M Sumi , Y Ito , C Tanai , H Nokihara , N Yamamoto , H Kunitoh , Y Ohe and T. Tamura
  Objective

To identify any gender differences in the outcomes of concurrent platinum-based chemotherapy and thoracic radiotherapy for unresectable stage III non-small cell lung cancer (NSCLC).

Methods

A comparative retrospective review of the clinical characteristics and treatment outcomes between female and male NSCLC patients receiving chemoradiotherapy.

Results

Of a total of 204 patients, 44 (22%) were females and 160 (78%) were males. There was no difference in age, body weight loss, performance status or disease stage between the sexes, whereas never-smokers and adenocarcinoma were more common in female patients (55% vs. 3%, P < 0.001, and 73% vs. 55%, P = 0.034, respectively). Full cycles of chemotherapy and radiotherapy at a total dose of 60 Gy were administered to ~70% and >80% of the patients, respectively, of both sexes. Grade 3–4 neutropenia was observed in 64% of the female patients and 63% of the male patients. Severe esophagitis was encountered in <10% of the patients, irrespective of the sex. The response rate was higher in the female than in the male patients (93% vs. 79%, P = 0.028), but the median progression-free survival did not differ between the sexes. The median survival time in the female and male patients was 22.3 and 24.3 months, respectively (P = 0.64).

Conclusions

This study failed to show any gender differences in the survival or toxicity among patients treated by concurrent chemoradiotherapy. These results contrast with the better survival in female patients undergoing surgery for localized disease or chemotherapy for metastatic disease.

 
 
 
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