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  • American Society of Clinical Oncology (ASCO)  (20)
  • 1
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 38, No. 22 ( 2020-08-01), p. 2488-2498
    Abstract: We report here the outcomes and late effects of the Japanese Study Group for Pediatric Liver Tumors (JPLT)-2 protocol, on the basis of cisplatin-tetrahydropyranyl-adriamycin (CITA) with risk stratification according to the pretreatment extent of disease (PRETEXT) classification for hepatoblastoma (HB). PATIENTS AND METHODS From 1999 to 2012, 361 patients with untreated HB were enrolled. PRETEXT I/II patients were treated with up-front resection, followed by low-dose CITA (stratum 1) or received low-dose CITA, followed by surgery and postoperative chemotherapy (stratum 2). In the remaining patients, after 2 cycles of CITA, responders received the CITA regimen before resection (stratum 3), and nonresponders were switched to ifosfamide, pirarubicin, etoposide, and carboplatin (ITEC; stratum 4). Intensified chemotherapeutic regimens with autologous hematopoietic stem-cell transplantation (SCT) after resection were an optional treatment for patients with refractory/metastatic disease. RESULTS The 5-year event-free and overall survival rates of HB patients were 74.2% and 89.9%, respectively, for stratum 1, 84.8% and 90.8%%, respectively, for stratum 2, 71.6% and 85.9%%, respectively, for stratum 3, and 59.1% and 67.3%%, respectively, for stratum 4. The outcomes for CITA responders were significantly better than those for nonresponders, whose outcomes remained poor despite salvage therapy with a second-line ITEC regimen or SCT. The late effects, ototoxicity, cardiotoxicity, and delayed growth, occurred in 61, 18, and 47 patients, respectively. Thirteen secondary malignant neoplasms (SMNs), including 10 leukemia, occurred, correlating with higher exposure to pirarubicin and younger age at diagnosis. CONCLUSION The JPLT-2 protocol achieved up-front resectability in PRETEXT I/II patients with no annotation factors, and satisfactory survival in patients who were CITA responders in the remaining patients. However, outcomes for CITA nonresponders were unsatisfactory, despite therapy intensification with ITEC regimens and SCT. JPLT-2 had a relatively low incidence of cardiotoxicity but high rates of SMNs.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2020
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  • 2
    Online Resource
    Online Resource
    American Society of Clinical Oncology (ASCO) ; 2013
    In:  Journal of Clinical Oncology Vol. 31, No. 15_suppl ( 2013-05-20), p. e15039-e15039
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 31, No. 15_suppl ( 2013-05-20), p. e15039-e15039
    Abstract: e15039 Background: Gastric cancers show a high frequency of DNA aneuploidy, which is a phenotype of chromosomal instability. Gastric carcinomas with aneuploidy have been shown to have higher proliferative activity and metastatic or invasive potential than diploid tumors, which leads to a poor prognosis. It has been suggested that an abnormal spindle assembly checkpoint is involved in DNA aneuploidy, but the underlying mechanism is still unclear. In this study, we focused on the TP53 gene and BUBR1 protein in gastric cancer to elucidate their relation with the features of DNA aneuploidy. Methods: The study included 178 unselected Japanese patients with primary gastric cancer who underwent gastrectomy between 1994 and 2006 at Kyushu University Hospital, Fukuoka. DNA ploidy status, TP53 gene status, and BUBR1 expression were analyzed. Nuclear DNA content was measured using laser scanning cytometry. The TP53 gene was amplified from exon 5 to exon 9, including exon-intron junctions, by PCR using p53 primers (Nippon Gene, Tokyo, Japan) and Ex Taq DNA polymerase (TaKaRa Bio Inc., Tokyo, Japan). Results: DNA aneuploidy was identified in 108 cases, and TP53 gene mutation was seen in 28 of 143 cases. Both DNA aneuploidy and TP53-mutated tumors correlated with high age and differentiated type tumors. BUBR1 aberrant expression, investigated using immunohistochemistry, was seen in 89 cases, and it correlated with malignant features such as deep invasion, and lymph node and liver metastases. DNA aneuploidy was significantly related to high BUBR1 expression (P = 0.0055), and a more significant relation was found between DNA aneuploidy and TP53mutation (P = 0.0032). Tumors with high BUBR1 expression showed poor prognosis. Conclusions: DNA aneuploidy is associated with the carcinogenesis and prognosis of gastric cancer. Therefore, there has been considerable interest in targeting cell cycle checkpoints, particularly in emerging and alternative anticancer strategies. The development of selection markers to aid in the selection of appropriate therapies for patients will be the primary focus of future research. TP53 mutation and BUBR1 expression may provide clinically useful diagnostic, therapeutic, and prognostic information.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2013
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  • 3
    Online Resource
    Online Resource
    American Society of Clinical Oncology (ASCO) ; 2015
    In:  Journal of Clinical Oncology Vol. 33, No. 15_suppl ( 2015-05-20), p. e15035-e15035
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 33, No. 15_suppl ( 2015-05-20), p. e15035-e15035
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    RVK:
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2015
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  • 4
    Online Resource
    Online Resource
    American Society of Clinical Oncology (ASCO) ; 2014
    In:  Journal of Clinical Oncology Vol. 32, No. 15_suppl ( 2014-05-20), p. e15010-e15010
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 32, No. 15_suppl ( 2014-05-20), p. e15010-e15010
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2014
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  • 5
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 34, No. 4_suppl ( 2016-02-01), p. 85-85
    Abstract: 85 Background: Total gastrectomy for gastric cancer significantly reduces body weight, especially lean body mass (LBM), through surgical stress and decrease of the calorie intake. Eicosapentaenoic acid (EPA)-enriched enteral nutrition (EPA-EN) could modulate immune function and limits catabolism. In our phase III study to compare perioperative standard diet with or without EPA-EN, additional EPA-EN did not contribute to prevent weight loss or LBM. Recently, 5% or more LBM loss after surgery was reported to impair compliance of post-operative S-1 adjuvant chemotherapy. This post hoc study explored whether additional EPA-EN prevented meaningful loss of LBM for compliance of adjuvant chemotherapy after surgery. Methods: Key entry criteria of this phase III study was (1) histologically proven adenocarcinoma of the stomach, (2) clinical T1-T4a and M0, (3) R0 resection is possible by total gastrectomy, (4) sufficient oral intake, and (5) sufficient organ function. The patients were randomized to Group A: no supplementation with oral nutrients (standard diet) or Group B: standard diet with oral supplementation of ProSure including 600 kcal with 2.2 g EPA for 7 days before surgery and for 21 days after surgery. For both groups, patients underwent total gastrectomy with Roux-en Y reconstruction. Results: A total of 127 patients (Group A: 63, Group B: 64) were enrolled in the study. All background factors were well balanced between the both groups. Median relative performance of supplement in group B was 100% before surgery and 54% after surgery. 5% or more LBM loss at 1 month after surgery was observed in 44 patients (80.0%) in group A and in 37 patients (67.3%) in group B (p = 0.194), while that at 3 months after surgery was found in 51 patients (91.1%) in group A and in 43 patients (76.8%) in group B (p = 0.070). Conclusions: Perioperative standard diet with EPA-enriched enteral nutrition tended to prevent meaningful loss of LBM after total gastrectomy. Further analysis is required whether perioperative EPA enriched EN improve compliance of S-1 adjuvant chemotherapy after total gastrectomy. Clinical trial information: UMIN000006380.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2016
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  • 6
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 30, No. 4_suppl ( 2012-02-01), p. 118-118
    Abstract: 118 Background: Local failure after chemoradiotherapy (CRT) remains a major problem for patients with esophageal squamous cell carcinoma (ESCC), and there are few curative treatment options available in such cases except salvage esophagectomy. The aim of this study is to demonstrate the clinical efficacy and safety of endoscopic submucosal dissection as a salvage therapy (salvage ESD) for local failure after CRT. Methods: Between 2007 and 2011, 66 patients underwent ESD for superficial ESCC in our hospital. Five of these patients underwent salvage ESD for local failure after CRT, and were reviewed retrospectively. They were treated with CRT, consisting of 60 Gy irradiation and concurrent chemotherapy. The indications for salvage ESD were as follows: 1) absence of lymph-node or distant metastasis after CRT; 2) superficial and endoscopically resectable lesion after CRT; 3) refusal by patient to undergo salvage esophagectomy; 4) written informed consent. Salvage ESD was performed using a flush knife or hook knife with a hyaluronic acid injection into the submucosal layer. Results: The baseline stage before CRT was as follows: T1b/T2/T3 in 3/1/1, N0/1 in 4/1, and M0/1 in 4/1 patients, respectively. These 5 patients had histologically proven local failure, and the stage after CRT was as follows: T1a/T1b in 1/4, N0/1 in 5/0, and M0/1 in 5/0 patients, respectively. Salvage ESD was performed in all patients who had en bloc resection with no complications and pathologically R0 resection. In 5 patients, 2 had a pT1a lesion, and 3 had a pT1b lesion. 1 lesion recurred in other site 3 months after salvage ESD, which was resected successfully by a second ESD procedure. Conclusions: Salvage ESD is an available option for patients with local failure after CRT for ESCC.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2012
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  • 7
    Online Resource
    Online Resource
    American Society of Clinical Oncology (ASCO) ; 2012
    In:  Journal of Clinical Oncology Vol. 30, No. 4_suppl ( 2012-02-01), p. 592-592
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 30, No. 4_suppl ( 2012-02-01), p. 592-592
    Abstract: 592 Background: Recent advances in chemotherapy have improved survival in patients with metastatic colorectal cancer. Resection of primary tumor for patients with metastatic colorectal cancer remains controversial. Primary tumor with obstruction or bleeding may be recommended to resection pior to chemotherapy. In contrast, it should be considered potential complications associated with resection of primary tumor and disadvantage of the delay in chemotherapy. Here, we evaluate the needs of primary tumor resection for colorectal cancer patients with synchronous metastases. Methods: A retrospective analysis of patients with synchronous metastatic colorectal cancer treated at Kumamoto University Hospital between April, 2005 and December, 2009 was performed. We compared the survival of resected patients and non-resected patients. Results: 104 patients were identified. Sixty-four and 40 patients were included in the resected group and the non-resected group respectively. The mean follow-up time was 16.1 months. Median age was 61.9 and 64.3 years respectively. The non-resected group was more likely to have right-sided tumors (resected: 28%, non-resected: 43%). The number of patient with metastatic disease limited to the liver was similar in both group(resected: 48%, non-resected: 50%). In the resected group, 12 patients (18%) developed postoperative complications. In the nonresected group, 5 patients (12.5%) required creation of a diverting colostomy during the course of their treatment due to obstruction, and 2 patients (5%) required emergency surgical treatment for intestinal perforation due to the primary tumor. No significant difference in survival was observed between the groups, (logrank P=0.33). Median survival period was not significantly different (resected: 27.3 months, non-resected: 21.5 months, P=0.43). Conclusions: We concluded that it was not necessary to resect the primary lesion in patients with synchronous metastatic colorectal cancer when obstruction or bleeding was not found in primary lesions.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    RVK:
    RVK:
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2012
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  • 8
    Online Resource
    Online Resource
    American Society of Clinical Oncology (ASCO) ; 2014
    In:  Journal of Clinical Oncology Vol. 32, No. 15_suppl ( 2014-05-20), p. 4054-4054
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 32, No. 15_suppl ( 2014-05-20), p. 4054-4054
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    RVK:
    RVK:
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2014
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  • 9
    Online Resource
    Online Resource
    American Society of Clinical Oncology (ASCO) ; 2012
    In:  Journal of Clinical Oncology Vol. 30, No. 15_suppl ( 2012-05-20), p. e13553-e13553
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 30, No. 15_suppl ( 2012-05-20), p. e13553-e13553
    Abstract: e13553 Background: CD44 has recently been identified as one of the cell surface markers associated with cancer stem cells (CSCs) in several types of tumor. We have reported the functional role of CD44 variant isoform in the maintenance of low reactive oxygen species (ROS) levels in gastrointestinal cancer cells. Previous studies demonstrated that tumor associated macrophage promotes tumor progression, but the functional role for macrophage in the regulation of CSC marker expression is not known. Methods: We analysed the relationship of CSCs and macrophage infiltration in gastric cancer cell lines and human gastric cancer samples. Results: Here, we showed activated macrophage by LPS and IFNγ produces inflammatory cytokines and chemokines, and these macrophage express CD68 and CD163, which are known as specific markers for pan-macrophage and M2 macrophage. we found that co-culture with activated macrophage triggers the CD44 and Bmi1 expression in gastric cancer cells and promote stem-like property that possess sphere-forming ability. Furthermore, we investigated the relation between CD44 expression and infiltrated macrophage in human gastric cancer. The staining patterns of CD44, Bmi1 and macrophage specific markers (CD68 and CD163) were significantly correlated in tumorous tissues of human gastric adenocarcinoma. Conclusions: These findings establish inflammatory cytokines, which producted from activated macrophage, induce the CD44 and Bmi1 expression in gastric cancer cells. These findings revealed that a role for tumor associated macrophage in the expansion of gastric cancer stem-like cells and subsequent malignant progression.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2012
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  • 10
    Online Resource
    Online Resource
    American Society of Clinical Oncology (ASCO) ; 2012
    In:  Journal of Clinical Oncology Vol. 30, No. 15_suppl ( 2012-05-20), p. 9577-9577
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 30, No. 15_suppl ( 2012-05-20), p. 9577-9577
    Abstract: 9577 Background: The Japanese Study Group for Pediatric Liver Tumor is running cooperative treatment studies on hepatoblastoma (HBL) since 1991. The main aim in JPLT-1 study was to evaluate the efficacy of cisplatin/pirarubicin (CITA). A total of 145 cases were registered and their 5-year overall survival (OS) and event-free survival (EFS) were 73.4% and 66%, respectively (J Pediatr Surg 37: 851-6, 2002). Then, JPLT-2 protocol, in which CITA is kept as the first-line treatment, and ifomide, etoposide, pirarubicin, and carboplatin (ITEC) is the second-line regimen for CITA-resistant cases, was launched to evaluate the cure rate of risk-stratified HBL: standard risk HBL (a tumor involving three or fewer sectors of the liver) and high risk HBL (a tumor involving all sectors of the liver or with metastasis). Methods: In JPLT-2, 281 HBL cases were registered in JPLT-2 between 1999 and 2010, and 69 cases underwent ITEC protocol due to poor response to the CITA regimen. To evaluate the efficacy of the ITEC regimen, surgical resectability and outcome of these 69 patients who underwent this treatment. Results: These 69 cases were divided into 53 high-risk (metastatic, involvement of all sectors of the liver, vascular invasion and/or extra-hepatic intra-abdominal disease) and 16 standard-risk HBL (all others). All cases were initially treated with the CITA regimen and then underwent the ITEC regimen due to poor response to CITA. Complete resection of the liver tumor could be achieved in 48 patients (69.6%) consisting of 13 (81%) standard, 35 (66%) high- risk cases. The 5-year OS and EFS of the cases with standard risk HB were 96% and 76%, while that of the cases with high risk HB was 54% and 34%. The late phase complications in 281 cases were 3 cases with maldevelopment, 13 with cardiac complications, 20 with ototoxicity and 5 with second malignancies. Conclusions: As compared with the CITA-sensitive cases, ITEC regimen achieved similar rates of survival for CITA-resistant cases both in standard and high-risk HBL cases, indicating ITEC is effective as a second-line chemotherapeutic regimen for HBL.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    RVK:
    RVK:
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2012
    detail.hit.zdb_id: 2005181-5
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