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  • 1
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    Association of early tumor shrinkage with progression-free survival in patients with metastatic colorectal cancer treated with bevacizumab-based chemotherapy: HGCSG0802.
    American Society of Clinical Oncology (ASCO) ; 2015
    In:  Journal of Clinical Oncology Vol. 33, No. 3_suppl ( 2015-01-20), p. 749-749
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 33, No. 3_suppl ( 2015-01-20), p. 749-749
    Abstract: 749 Background: It was reported that early tumor shrinkage (ETS) was associated with better overall survival (OS) in patients (pts) with metastatic colorectal cancer (mCRC) receiving cetuximab. We investigated association of ETS with progression free survival (PFS) in pts with unresectable colorectal liver metastases (CLM) from HGCSG0802 observational cohort study in pts with mCRC treated with first-line bevacizumab (BV)-based chemotherapy. Methods: The objective of HGCSG0802 was to evaluate PFS, OS, time to treatment failure (TTF), response rate (RR), safety and so on. The key eligibility criteria were evaluable lesions, older than 20 years old, ECOG PS 0-2. In this analysis, association of ETS at 8 weeks from the start of chemotherapy with pts characteristics, PFS and TTF was evaluated. Pts characteristics were compared using Student-t test, chi-square test and Fisher’s exact test. PFS and TTF were analyzed with Kaplan-Meier method and compared using log-rank test. Univariate analysis for the association of pts characteristics with PFS and TTF was performed using log-rank test, and multivariate analysis was performed using Cox proportional hazards model. Results: Of 108 pts (the full analysis set), 74 pts with CLM were evaluable for ETS. Forty-nine pts (66.2%) had ETS ≥20%. The pts characteristics between ETS ≥20% and 〈 20% were well balanced. The median PFS was 7.3 months in ETS 〈 20% versus 10.0 months in ETS ≥20% (HR 0.55; p=0.025). In multivariate analysis for PFS, there was no significant difference between ETS ≥20% and 〈 20% (HR 0.585; p=0.066). The median TTF (ETS 〈 20% v ≥20%) was 5,1 months vs. 7.7 months (HR 0.46; p=0.003). In multivariate analysis for TTF, there was significant difference between ETS ≥20% and 〈 20% (HR 0.509; p=0.017). Conclusions: In this analysis, ETS ≥20% might be positive predictive marker for PFS and TTF in pts with CLM receiving first-line BV-based chemotherapy.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2015.33.3_suppl.749
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2015
    detail.hit.zdb_id: 2005181-5
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  • 2
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    Observational cohort study of 1st line bevacizumab combined with chemotherapy in metastatic colorectal cancer (HGCSG0802): Sub-group analysis by the GERCOR index.
    American Society of Clinical Oncology (ASCO) ; 2016
    In:  Journal of Clinical Oncology Vol. 34, No. 4_suppl ( 2016-02-01), p. 743-743
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 34, No. 4_suppl ( 2016-02-01), p. 743-743
    Abstract: 743 Background: The GERCOR index based on performance status and serum LDH was reported to be useful to predict survival for patients with previously untreated mCRC. However, the validity of the GERCOR index has not been reported in patients treated with bevacizumab (Bev)-based first line chemotherapy. Methods: 115 patients with mCRC treated with Bev contained first line chemotherapy were registered from 15 centers in Japan. Univariate and multivariate analysis for overall survival (OS) were performed using patient characteristics. Survival analyses were performed with the Kaplan-Meier method, log-rank test and the Cox proportional hazards model. The analysis was also designed to determine whether the GERCOR index could be extended to progression-free survival (PFS). Results: All data were available for prognostic categorization in 108 patients. Patients with the GERCOR index of low, intermediate and high risk were 45, 57, and 6, respectively. The pts characteristics between low risk (L) and intermediate/high risk (I/H) were generally balanced except for prior colorectomy (75.6% in L, 54.0% in I/H; p = 0.027), based cytotoxic agent (oxaliplatin) (80.0% in L, 93.7% in I/H; p = 0.039), liver metastasis (53.3% in L, 79.4% in I/H; p = 0.006) and median number of metastatic organ (1 in L, 2 in I/H; p = 0.024). The distribution and median OS / PFS for the GERCOR index were as follows: L (n = 45; 29.9/10.0 months), I/H (n = 63; 17.0/8.5 months). For OS, there was significant difference between L and I/H (p = 0.003). For PFS, there was not significant difference between L and I/H (p = 0.522). In the Cox multivariate analysis, GI did not show an independent prognostic impact (L vs I/H ; HR 1.499, p = 0.120) and predictive impact (L vs I/H ; HR 0.922, p = 0.733). Conclusions: In this analysis, the GERCOR index might be neither the predictive nor prognostic factor in the bevacizumab combined first line chemotherapy for patients with mCRC.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2016.34.4_suppl.743
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2016
    detail.hit.zdb_id: 2005181-5
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  • 3
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    Observational cohort study of first-line bevacizumab combined with chemotherapy in metastatic colorectal cancer (HGCSG0802): Comparison of infusional FU/oxaliplatin(OX)+BV and oral FU/OX+BV.
    American Society of Clinical Oncology (ASCO) ; 2015
    In:  Journal of Clinical Oncology Vol. 33, No. 3_suppl ( 2015-01-20), p. 527-527
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 33, No. 3_suppl ( 2015-01-20), p. 527-527
    Abstract: 527 Background: A few reports have shown no difference between the efficacy of infusional FU and that of oral FU (Capecitabine/S-1) for colorectal cancer, and some studies have reported the non-inferiority between infusional FU/Oxaliplatin (OX) and oral FU/OX for metastatic colorectal cancer (mCRC). We performed a sub-group comparison between infusional FU/OX (mFOLFOX6 + BV: iFU) and oral FU/OX (CapeOX/SOX + BV: oFU) from the HGCSG0802 observational cohort study with investigated Japanese patients (pts) treated with first line BV for mCRC. Methods: The objective of HGCSG0802 was to evaluate progression-free survival (PFS), overall survival (OS), time to treatment-failure (TTF), response rate (RR), safety and so on. The key eligibility criteria of HGCSG0802 were with evaluable lesions, older than 20 years, ECOG PS 0-2, and this analysis used the cohort treated with OX-based regimens.In this analysis, pts characteristics, RR and safety were compared using Fisher’s exact test. PFS and TTF were compared using log-rank test. Results: Of 108 pts (the full analysis set), 95 pts were evaluable for treated with OX-based regimens. Forty-eight pts (50.5%) were treated with iFU and 47 pts (49.5%) were treated with oFU (CapeOX + BV 42 pts/SOX + BV 5 pts). The pts characteristics between those were generally balanced except for PS 0-1 (72.9% in iFU/93.6% in oFU; p=0.012) and synchronous liver metastases (mets) (93.8% in iFU/78.8% in oFU; p=0.040). Adverse events ≥grade 3 were balanced except for leucopenia (25.0% in iFU versus 2.1% in oFU; p=0.002) and neutropenia (43.5% in iFU and 10.9% in oFU; p=0.001). Hand-foot skin reaction was not different between two cohorts. RR was 62.5% in iFU versus 71.1% in oFU (p=0.835). The median PFS was 8.3 months in iFU versus 8.2 months in oFU (p=0.835). Conclusions: The HGCSG0802 could be a database to investigate first line BV for mCRC in clinical practice. As a result of this analysis, in Japanese daily practice, efficacy was no significant difference between infusional FU/OX and oral FU/OX, and the profiles of adverse events varied from each regimens.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2015.33.3_suppl.527
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2015
    detail.hit.zdb_id: 2005181-5
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  • 4
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    Association of morphologic response with progression free survival in patients with metastatic colorectal cancer treated with bevacizumab-based chemotherapy: HGCSG0802.
    American Society of Clinical Oncology (ASCO) ; 2015
    In:  Journal of Clinical Oncology Vol. 33, No. 3_suppl ( 2015-01-20), p. 743-743
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 33, No. 3_suppl ( 2015-01-20), p. 743-743
    Abstract: 743 Background: It was reported that an optimal morphologic response to preoperative chemotherapy was associated with better overall survival (OS) in patients (pts) with colorectal liver metastases (CLM). We investigated association of morphologic response with progression free survival (PFS) in pts with unresectable CLM from HGCSG0802 observational cohort study in pts with mCRC treated with first-line bevacizumab (BV)-based chemotherapy. Methods: The objective of HGCSG0802 was to evaluate PFS, OS, time to treatment failure (TTF), response rate (RR), safety, etc. The key eligibility criteria were evaluable lesions, older than 20 years old, ECOG PS 0-2. Pts with CLM underwent contrast-enhanced CT at the start and every 8-weeks of BV-based chemotherapy. In this analysis, three blinded, independent radiologists evaluated images for morphologic response, based on metastases changing from heterogeneous masses with ill-defined margins into homogeneous hypoattenuating lesions with sharp borders. Association of morphologic response and pts characteristics, RR, and PFS were evaluated. PFS was analyzed with Kaplan-Meier method, log-rank test, and Cox proportional hazards model. Results: Of 108 pts (the full analysis set), 73 pts with CLM were evaluable for morphologic criteria. Eighteen pts (24.7%) had optimal morphologic response (OR), 31 (42.5%) had incomplete (IR), and 24 (32.9%) had no response (NR). The pts characteristics between those with OR, IR and NR were generally balanced. The median TTF was 7.2 months in NR versus 7.2 months in IR versus 6.8 months in OR (HR (OR/NR) = 0.91, HR (OR/IR) = 0.90; p = 0.93). RR was 77.8% in OR versus 64.5% in IR and 58.3% in NR (p = 0.528). The median PFS was 8.3 months in NR versus 8.5 months in IR versus 9.1 months in OR (HR (OR/NR) = 0.72, HR (OR/IR) = 1.04; p = 0.420). Conclusions: In this analysis, morphologic response might not be a prognostic marker in first-line BV-based chemotherapy in pts with CLM.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2015.33.3_suppl.743
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2015
    detail.hit.zdb_id: 2005181-5
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  • 5
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    Observational cohort study of first-line bevacizumab with oxaliplatin or irinotecan and fluoropyrimidines in metastatic colorectal cancer: HGCSG0802—Analysis of early tumor shrinkage (ETS).
    American Society of Clinical Oncology (ASCO) ; 2016
    In:  Journal of Clinical Oncology Vol. 34, No. 4_suppl ( 2016-02-01), p. 753-753
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 34, No. 4_suppl ( 2016-02-01), p. 753-753
    Abstract: 753 Background: It was reported that early tumor shrinkage (ETS) was associated with better overall survival (OS) in patients (pts) with metastatic colorectal cancer (mCRC) receiving first line chemotherapy. We investigated association of ETS with progression-free survival (PFS) and OS in pts with mCRC treated with first-line bevacizumab (BV)-based chemotherapy (HGCSG0802). Methods: The objective of HGCSG0802 was to evaluate PFS, OS, response rate (RR), safety and so on. The key eligibility criteria were evaluable lesions, older than 20 years old, ECOG PS 0-2. This analysis evaluated the association of ETS at 8 weeks from the start of chemotherapy with pts characteristics, PFS and OS. To identify factors associated with ETS, if there were clinical variables with p 〈 0.2 in univariate analysis, we planned a multivariate analysis using the logistic regression model. To identify predictive and prognostic factors, a multivariate analysis was performed using Cox proportional hazard model with backward elimination for variables with p 〈 0.2 in univariate analysis. Results: Of 108 pts (the full analysis set), 99 pts were evaluable for ETS. Sixty-eight pts (68.7%) had ETS ≥20%. The pts characteristics between ETS ≥20% (ETS) and 〈 20% (Non-ETS) were well balanced. In univariate analysis to identify factors associated with ETS, there were no clinical variables with p 〈 0.2. The median PFS and OS were 7.3/18.3 months in Non-ETS versus 10.0/25.2 months in ETS (HR 0.529; p=0.006 and HR 0.627; p=0.107). In multivariate analysis for PFS and OS, although there was no significant difference between ETS and Non-ETS for OS (HR 0.709; p=0.186), there was significant difference for PFS (HR 0.524; p=0.006). Conclusions: ETS was observed in 68.7% (68/99) and non-ETS in 31.3% (31/99) of patients with metastatic colorectal cancer received bevacizumab combined first line chemotherapy. In univariate analysis, it could not identify any factors associated with ETS. In the results of multivariate analysis, ETS showed an independent predictive impact, but not prognostic impact. Clinical trial information: UMIN000018935.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2016.34.4_suppl.753
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2016
    detail.hit.zdb_id: 2005181-5
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  • 6
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    Observational cohort study of first-line bevacizumab combined with chemotherapy in metastatic colorectal cancer (HGCSG0802): Sub-group analysis by KRAS Exon2 status.
    American Society of Clinical Oncology (ASCO) ; 2015
    In:  Journal of Clinical Oncology Vol. 33, No. 3_suppl ( 2015-01-20), p. 782-782
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 33, No. 3_suppl ( 2015-01-20), p. 782-782
    Abstract: 782 Background: A few reports have shown the efficacy of bevacizumab (BV) independent of the KRAS Exon2 mutational status (KRAS). We performed a sub-group analysis by KRAS from the HGCSG0802 observational cohort study with investigated 115 patients (pts) treated with first line BV for metastatic colorectal cancer (mCRC). Methods: The objective of HGCSG0802 was to evaluate progression-free survival (PFS), overall survival (OS), time to treatment-failure (TTF), response rate (RR), safety, etc. The key eligibility criteria were with evaluable lesions, older than 20 years, ECOG PS 0-2. In this analysis, pts characteristics, RR and safety were compared using Fisher’s exact test. Univariate and multivariate analysis for PFS were performed using patient characteristics. Survival analyses were performed with Kaplan-Meier method, log-rank test, and Cox proportional hazards model. Results: Of 108 pts (the full analysis set), 98 pts were evaluable for KRAS. Sixty-one pts (62.2%) had KRAS wild-type (wt) and 37 pts (37.8%) had mutation (mt). The pts characteristics between those with wt and with mt were generally balanced except for PS 0 (91.8% in wt, 75.7% in mt; p=0.037) and lung metastasis (34.4% in wt, 62.2% in mt; p=0.012).The median TTF was 7.4 months in wt versus 6.6 months in mt, and RR was 69.5% in wt versus 65.7% in mt. Adverse events related to BV were almost balanced except for bleeding (any grade) (31.1% in wt, 13.5% in mt; p=0.056).The median PFS was 9.9 months in wt versus 7.9 months in mt (HR=1.506; p=0.071). Although KRAS mt showed shorter PFS, there were not significant difference regardless of KRAS in Cox multivariate analysis (HR 1.314, 95% CI, 0.820-2.107, p=0.257). Conclusions: The HGCSG0802 could be a database to investigate first line BV for mCRC in clinical practice. Depending on the KRAS Exon2 mutational status, efficacy, and adverse events were no significant difference. We plan to conduct further follow up for survival, and to perform this analysis again.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2015.33.3_suppl.782
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2015
    detail.hit.zdb_id: 2005181-5
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  • 7
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    Phase II Study of Continued Trastuzumab Plus Irinotecan in Patients with HER2-positive Gastric Cancer Previously Treated with Trastuzumab (HGCSG 1201)
    Oxford University Press (OUP) ; 2022
    In:  The Oncologist Vol. 27, No. 5 ( 2022-05-06), p. 340-e374
    Details
    In: The Oncologist, Oxford University Press (OUP), Vol. 27, No. 5 ( 2022-05-06), p. 340-e374
    Abstract: The efficacy of irinotecan plus continuous trastuzumab beyond progression in patients with gastric cancer previously treated with trastuzumab plus standard first-line chemotherapy has not been reported. Methods Patients with human epidermal growth factor receptor 2 (HER2)-positive advanced gastric cancer who were previously treated with trastuzumab received trastuzumab every 3 weeks and irinotecan every 2 weeks. The primary endpoint was the overall response rate (ORR), and the secondary endpoints included progression-free survival (PFS), 6-month survival rates, safety, and subgroup analysis by HER2 status. Results Sixteen patients were enrolled in a 3-year pre-planned registration period. This study was prematurely closed due to poor patient accrual. The ORR and disease control rate were 6.7% (95% CI, 0.2-32.0) and 53.3% (95% CI, 26.6-78.7). The median PFS and overall survival (OS) were 2.4 months (95% CI, 0.0-5.2) and 9.7 months (95% CI, 8.2-11.2), respectively. The most frequently reported grades 3-4 adverse events were neutropenia (40%), anemia (27%), anorexia (33%), and fatigue (33%). Conclusion With only 16 patients enrolled, the present study has very low power to detect any clinical benefit of trastuzumab plus irinotecan beyond disease progression in patients with HER2-positive advanced gastric cancer who previously received trastuzumab. Trial Identifier: UMIN000007636.
    Type of Medium: Online Resource
    ISSN: 1083-7159 , 1549-490X
    URL: Article
    DOI: 10.1093/oncolo/oyab062
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2022
    detail.hit.zdb_id: 2023829-0
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  • 8
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    Phase II study of trastuzumab with irinotecan in HER2-positive metastatic or advanced gastric cancer patients previously treated with trastuzumab and failed: HGCSG 1201/OGSG1205.
    American Society of Clinical Oncology (ASCO) ; 2017
    In:  Journal of Clinical Oncology Vol. 35, No. 4_suppl ( 2017-02-01), p. 151-151
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 35, No. 4_suppl ( 2017-02-01), p. 151-151
    Abstract: 151 Background: Some phase II and III studies of second-line chemotherapy for metastatic or advanced gastric cancer have been reported in recent years. Irinotecan is one of the standard regimen for second-line therapy. On the other hand, the efficacy of continuing trastuzumab (Tmab) beyond progression in patients (pts) who had previously been treated with Tmab plus standard first line chemotherapy has not been reported. We conducted this study to assess the efficacy and safety of Tmab with irinotecan in HER2-positive gastric cancer pts previously treated with Tmab (UMIN ID: 000007636). Methods: Patients with HER2-positive metastatic or advanced gastric cancer who were previously treated with Tmab and failed were included. Pts received Tmab every 3 weeks and irinotecan every 2 weeks. Primary endpoint was response rate (RR), and secondary endpoints were progression-free survival (PFS), six-month survival rate, safety, sub-group analysis by HER2 status (IHC 3+ group, IHC 2+/FISH positive group), and so on. Results: Only 16 pts were enrolled from 9 institutions in three years during a pre-planned registration period. We stopped this study on the way, unfortunately. In a total of 16 pts, one patient was excluded and 15 were analyzed. Median age was 65, male/female; 9/6, ECOG PS 0/1; 8/7, and IHC 3+/IHC 2+ and FISH positive; 10/5, respectively. Response rate was 7% and disease control rate was 53%. Median PFS and overall survival (OS) were 2.4 (95%C.I.; 0.0-5.2 months) and 9.7 months (95%C.I.; 8.2-11.2 months), respectively. Six-month PFS rate was 13%. In sub-group analysis by HER2 status, median PFS of IHC 3+ and IHC 2+/FISH positive were 2.2 and 2.4 months, respectively. Median OS of each groups were 8.8 and 10.8 months. The most frequently reported grade 3-4 adverse events were neutropenia (40%), anemia (27%), anorexia (33%), and fatigue (33%). Conclusions: This study was closed prematurely due to poor accrual. It seemed that continued use of Tmab and irinotecan beyond disease progression has not significant clinical benefit in HER2-positive metastatic or advanced gastric cancer pts previously treated with Tmab. Clinical trial information: UMIN000007636.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2017.35.4_suppl.151
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2017
    detail.hit.zdb_id: 2005181-5
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  • 9
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    Phase II Study of Combined Treatment with Irinotecan and S-1 (IRIS) in Patients with Inoperable or Recurrent Advanced Colorectal Cancer (HGCSG0302)
    S. Karger AG ; 2011
    In:  Oncology Vol. 80, No. 1-2 ( 2011), p. 70-75
    Details
    In: Oncology, S. Karger AG, Vol. 80, No. 1-2 ( 2011), p. 70-75
    Abstract: 〈 i 〉 Objectives: 〈 /i 〉 This phase II study was designed to evaluate the efficacy and safety of oral fluoropyrimidine S-1 plus irinotecan (IRIS regimen) in patients with previously untreated metastatic colorectal cancer. 〈 i 〉 Methods: 〈 /i 〉 The response rate was the primary endpoint. Safety, progression-free survival time, and median survival time were secondary endpoints. The subjects were untreated patients with inoperable advanced colorectal cancer. Irinotecan was administered at a dose of 100 mg/m 〈 sup 〉 2 〈 /sup 〉 (on days 1 and 15). S-1 (40 mg/m 〈 sup 〉 2 〈 /sup 〉 ) was administered for 2 weeks (on days 1 to 14) and followed by a 2-week rest. 〈 i 〉 Results: 〈 /i 〉 Forty patients were enrolled. Four patients had grade 4 neutropenia, and six patients had grade 3 diarrhea. No other serious hematologic or nonhematologic adverse reactions occurred, and all patients received IRIS safely on an outpatient basis. The response rate was 52.5% (95% confidence interval [CI], 36.1–68.5%). Median progression-free survival was 8.6 months (95% CI, 5.3–11.9), and median survival time was 23.4 months (95% CI, 15.9–30.8). 〈 i 〉 Conclusions: 〈 /i 〉 IRIS produced a high response rate and could be given safely. IRIS may become a first-line treatment for inoperable or recurrent advanced colorectal cancer.
    Type of Medium: Online Resource
    ISSN: 0030-2414 , 1423-0232
    URL: Article
    DOI: 10.1159/000328739
    RVK:
    XH 3305
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2011
    detail.hit.zdb_id: 1483096-6
    detail.hit.zdb_id: 250101-6
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  • 10
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    Safety report of a phase II trial of irinotecan plus S-1 (IRIS) with cetuximab in patients with KRAS wild type of metastatic colorectal cancer: HGCSG0902.
    American Society of Clinical Oncology (ASCO) ; 2012
    In:  Journal of Clinical Oncology Vol. 30, No. 15_suppl ( 2012-05-20), p. e14062-e14062
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 30, No. 15_suppl ( 2012-05-20), p. e14062-e14062
    Abstract: e14062 Background: IRIS is one of the standard regimens as second line treatment in metastatic colorectal cancer since IRIS demonstrated the non-inferiority to FOLFIRI (FIRIS study) in Japan. We previously presented IRIS plus bevacizumab (ESMO 2010), however; there is still lack of combination data of IRIS plus molecular target drugs. Thus we conduct the study of IRIS plus cetuximab (HGCSG0902) and this is the planned safety analysis for first 20 patients. Methods: HGSCG0902 is a multicenter phase ll study. Eligibility includes histologically confirmed colorectal cancer, previously received oxaliplatin-contained chemotherapy, PS: 0-1, EGFR positive and KRAS wild type. Patients (pts) received S-1 80-120 mg/m 2 /day p.o. on days 1-14 and irinotecan 100mg/m 2 on days 1 and 15 repeated 28 days. Cetuximab administrated 400mg/m 2 loading dose and continued 250mg/m 2 every week or 500mg/m 2 bi-weekly. The primary endpoint was response rate and the secondary endpoints were disease control rate, PFS, OS and safety. Results: Demographics of the 20 enrolled pts were male/female: 13/7, median age: 64.5, colon/rectal: 13/7, PS0/1: 12/8, prior bevacizumab +/-: 15/4 pts. Cetixumab were administrated weelkly/bi-weekly: 9/11 pts. 70% of pts had adverse events (AE). The most common non-hematological AE were diarrhea (85%), acne-like rash (80%), fatigue (75%) and anorexia (60%) and hematological AE were anemia (90%), AST increase (75%) and ALT increase (70%). The main grade 3-4 AE were diarrhea (45%), acne-like rash (20%), anorexia (20%) and stomatitis (20%). These AE were as expected. Nineteen pts stopped the treatment due to progression (52.6%) and AE (36.8%). Conclusions: This safety analysis suggests that IRIS plus cetuximab is well-tolerated and easy to administer.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2012.30.15_suppl.e14062
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2012
    detail.hit.zdb_id: 2005181-5
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