Se-Il Go

Pusan National University, Pusan, Busan, South Korea

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Publications (6)13.25 Total impact

  • Source
    Article: Cyclosporine A treatment for relapsed subcutaneous panniculitis-like T-cell lymphoma: a case with long-term follow-up.
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    ABSTRACT: Subcutaneous panniculitis-like T-cell lymphoma (SPTL) is a distinctive lymphoma characterized by an infiltration of subcutaneous tissue by neoplastic cytotoxic T cells. There was no distinction between TCR alpha/beta phenotype and TCR gamma/delta phenotype, and anthracycline-based chemotherapy was usually used for both. Here, we report a patient with recurrent SPTL who achieved a second long-term complete remission by repeated cyclosporine A (CsA) treatment. From 2000 to 2001, the patient received anthracycline-based combination chemotherapy. However, the treatment did not induce long-term remission. In 2002, he received cyclosporine treatment for about 6 months. This resulted in a 5-year remission that ended in relapse in 2008. He received CsA treatment once again and attained a second long-term remission. This case suggests that re-treatment with CsA can be a good option for relapsed SPTL cases and can result in long-term remission.
    The Korean journal of hematology 06/2012; 47(2):146-9.
  • Article: Response to concurrent chemoradiotherapy as a prognostic marker in elderly patients with locally advanced esophageal cancer.
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    ABSTRACT: Little is known about chemoradiotherapy in elderly patients with locally advanced esophageal cancer. We compared the efficacy and toxicity of chemoradiotherapy in elderly and non-elderly patients with locally advanced esophageal cancer and determined the variables affecting the treatment outcome in the elderly patients with locally advanced esophageal cancer who had received chemoradiotherapy. Fifty-seven elderly patients (age ≥ 65 years) and 30 non-elderly patients (age <65 years) were reviewed retrospectively. The median age of the elderly group was 69 years and in the non-elderly group, 56.5 years. Although treatment compliance appeared to be poor, the response rate and median survival were similar in both the groups (elderly versus non-elderly; 84.4% vs 87.5%, and 11.2 months vs 11.3 months) and so were G3/4 hematologic and non-hematologic toxicities. The treatment-related mortality of the elderly patients appeared to be higher than that of the non-elderly group (7.0% vs 3.3%), but did not reach statistical significance. In prognostic factor analysis, a major response to chemoradiotherapy was a good prognostic indicator in the elderly group (response versus non-response; median overall survival times of 19.5 vs 5.4 months, respectively, P <0.001). The study suggests that chemoradiotherapy for locally advanced esophageal cancer in elderly patients, even though treatment compliance appears to be poor, is as safe and effective as in non-elderly patients and that the response to chemoradiotherapy is related to prognosis in elderly patients.
    Tumori. 03/2012; 98(2):225-32.
  • Article: Hypoxia-inducible factor-1α and excision repair cross-complementing 1 in patients with small cell lung cancer who received front-line platinum-based chemotherapy: a retrospective study.
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    ABSTRACT: Hypoxia-inducible factor-1α (HIF-1α), which plays an essential role in the adaptive response of cells to hypoxia, is associated with aggressive tumor behavior. Furthermore, a relationship between excision repair cross-complementing 1 (ERCC1) expression and platinum resistance has been reported in patients with various malignancies. The aim of this study was to investigate the expression of HIF-1α and ERCC1 and to elucidate the clinical significance of their expression in patients with small cell lung cancer (SCLC) treated with front-line platinum-based chemotherapy. SCLC biopsy samples were obtained before front-line platinum-based chemotherapy from 111 patients with SCLC (limited disease, 29; extensive disease [ED], 82) between January 2002 and December 2009 at Gyeongsang National University Hospital. The expression levels of HIF-1α and ERCC1 were assessed by immunohistochemistry. High expression levels of ERCC1 and HIF-1α were observed in 49 (44.1%) and 71 (64.0%) of 111 patients, respectively. Expression of ERCC1 and HIF-1α was not significantly associated with age, sex, Eastern Cooperative Oncology Group performance status, weight loss, or response to treatment, regardless of stage. In ED-SCLC, low expression in the HIF-1α group showed statistically better survival compared with high expression in the HIF-1α group (p = 0.018). Multivariate analysis revealed that response to front-line platinum-based chemotherapy (p < 0.001), good Eastern Cooperative Oncology Group performance status (0-1) (p = 0.002), and low expression of HIF-1α (p = 0.004) were independent predictors of better overall survival in ED-SCLC. Low expression of HIF-1α may be a useful predictor of better overall survival in ED-SCLC patients treated with front-line platinum-based chemotherapy.
    Journal of thoracic oncology: official publication of the International Association for the Study of Lung Cancer 03/2012; 7(3):528-34. · 4.55 Impact Factor
  • Article: A phase II study of S-1 and oxaliplatin (SOx) combination chemotherapy as a first-line therapy for patients with advanced gastric cancer.
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    ABSTRACT: Palliative chemotherapy has been shown to have a survival benefit for patients with recurrent or metastatic gastric cancer. 5-fluorouracil (5-FU) and cisplatin have been widely used in a variety of combinations. We conducted a phase II study of combination chemotherapy with new agents, S-1 and oxaliplatin (SOx), in advanced gastric cancer patients in an effort to evaluate the efficacy and toxicity of this regimen. Histologically confirmed recurrent or metastatic gastric cancer were treated by the oral administration of S-1 80 mg/m(2)/day on days 1-28, and oxaliplatin 85 mg/m(2) administered as a 90-min intravenous infusion on days 1, 15, and 29. Treatment courses were repeated every 6 weeks. Patients received a maximum of four cycles. From Feb 2006 to May 2008, 41 patients were enrolled in this study. The ratio of males to females was 28 to 13. The median patient age was 61 years (range, 36-74 years), and 85.4% (35/41) of the patients had a performance status (ECOG) of 1. The median number of chemotherapy cycles administered was 3 (range, 1-4). According to the results of our Intent-to-Treat analysis, 22 patients (53.7%) achieved a partial response (95% CI, 38-70%). 15 patients (36.6%) evidenced a stable disease, and 1 patient (2.4%) progressed during the course of the treatment. 3 patients were lost to follow-up prior to evaluation. The median time to progression and overall survival time were 4.6 months (95% CI, 3.4-5.8 months) and 7.8 months (95% CI, 6.9-8.7 months) from the start of the chemotherapy, respectively. A total of 114 cycles were assessed for toxicity. The major hematologic toxicities included grade 2 anemia (41.2%), grade 1-2 neutropenia (28.1%), and grade 1 thrombocytopenia (23.7%). Only 1 cycle of neutropenic fever occurred. The non-hematological toxicities observed were grade 3 vomiting (12.2%) and grade 3 diarrhea (4.9%). No treatment-related deaths occurred in our patient population during the study period. The SOx regimen evidenced a relatively high response rate and was well tolerated as a first-line therapy for advanced gastric cancer.
    Investigational New Drugs 02/2012; 30(1):350-6. · 3.36 Impact Factor
  • Article: A phase II study of irinotecan, continuous 5-fluorouracil, and leucovorin (FOLFIRI) combination chemotherapy for patients with recurrent or metastatic gastric cancer previously treated with a fluoropyrimidine-based regimen.
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    ABSTRACT: A phase II study was carried out to assess the efficacy and toxicity of combination chemotherapy with irinotecan, 5-fluorouracil (5-FU), and leucovorin (FOLFIRI) for the treatment of patients with metastatic or recurring gastric cancer previously treated with fluoropyrimidine-based chemotherapy. Eligible patients were those who had metastatic gastric cancer previously treated with a fluoropyrimidine-based chemotherapy regimen or had disease recurrence within 6 months of completing adjuvant fluoropyrimidine-containing chemotherapy. Participants received irinotecan (150 mg/m² on day 1) and leucovorin (LV; 20 mg/m² on days 1-2) followed by continuous infusion of 5-FU (1500 mg/m² on days 1-2), every 2 weeks. Between April 2006 and March 2008, 33 patients were enrolled in the study. FOLFIRI served as a second-line treatment in 27 patients, third-line treatment in 4 patients, and fourth-line treatment in 2 patients. The patients had a median age of 60 years (range, 40-75) and underwent 132 cycles of chemotherapy, with a median of 3 cycles (range, 1-15) per patient. The response rate was 18.2%, and the disease control rate was 36%. Median overall survival was 5.1 months (95% confidence interval, 3.74-6.45), and median time to progression was 2.3 months (95% confidence interval, 1.81-2.78). The major grade 3-4 toxicity was neutropenia (45.4%). Combination chemotherapy with irinotecan, 5-FU, and LV is feasible in gastric cancer patients previously treated with fluoropyrimidine-based chemotherapy.
    American journal of clinical oncology 12/2010; 33(6):572-6. · 2.21 Impact Factor
  • Article: Phase II study of a biweekly schedule of docetaxel and cisplatin in patients with metastatic non-small cell lung cancer.
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    ABSTRACT: We investigated the efficacy and toxicity of a biweekly schedule of docetaxel and cisplatin in patients with metastatic non-small cell lung cancer (NSCLC). In this study, 48 patients with previously untreated metastatic NSCLC were given combination chemotherapy consisting of docetaxel 40 mg/m(2) and cisplatin 40 mg/m(2); both drugs were given biweekly, on days 1 and 15, every 4 weeks. A partial response and stable disease were observed in 25 patients (52.1%, 95% CI: 38.7-66.9%) and ten patients (20.8%), respectively. The overall median survival was 14.0 months (95% CI: 7.10-20.9 months). There was no treatment-related mortality. The major toxicity was grade 2 asthenia (35.4%). Grade 4 neutropenia was observed in two patients (4.2%), as was grade 3 infection (4.2%). As a front-line chemotherapy in an outpatient setting for patients with metastatic NSCLC, the biweekly schedule of docetaxel and cisplatin showed effective antitumor activity with a marked reduction in hematologic toxicity, comparable to the results of previous studies using 3-week or weekly schedules. Further randomized studies are needed before this can be accepted as a standard schedule.
    Lung cancer (Amsterdam, Netherlands) 09/2009; 69(1):94-8. · 3.14 Impact Factor