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  • Doki, Yuichiro  (9)
  • Medicine  (9)
  • XA 52760  (9)
  • 1
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 38, No. 15_suppl ( 2020-05-20), p. e16039-e16039
    Abstract: e16039 Background: Preoperative 5-FU-based chemoradiation is currently a standard treatment for advanced rectal cancer, particularly in Western countries. Although it reduced the local recurrence, it could not necessarily improve overall survival. Furthermore, it can also produce adverse effects and long-term sphincter function deficiency. Adjuvant oxaliplatin plus capecitabine (XELOX) is a recommended regimen for patients with curatively resected colon cancer. However, the efficacy of postoperative adjuvant therapy for rectal cancer patients who have not undergone preoperative chemoradiation remains unknown. We aimed to evaluate the efficacy of surgery and postoperative XELOX without preoperative chemoradiation for treating rectal cancer. Methods: We performed a prospective, multicenter, open-label, single arm phase II study. Patients with curatively resected high-risk stages II and III rectal cancer who had not undergone preoperative therapy were treated with a 120 min intravenous infusion of oxaliplatin (130 mg/m 2 ) on day 1 and capecitabine (2,000 mg/m 2 /day) in 2 divided doses for 14 days of a 3-week cycle, for a total of 8 cycles (24 weeks). The primary endpoint was 3-year disease-free survival (DFS). Results: Between August 2012 and June 2015, 60 men and 47 women with a median age was 63 years (range: 29–77 years) were enrolled. Ninety-three patients had Eastern Cooperative Oncology Group performance status scores of ‘0’ and 14 had scores of ‘1’. Tumors were located in the upper and lower rectums in 54 and 48 patients, respectively; 8 patients had stage II disease and 99 had stage III. The 3-year DFS was 70.1% (95% confidence interval, 60.8–78.0%) and 33 patients (31%) experienced recurrence, most commonly in the lung (16 patients) followed by local recurrence (9) and hepatic recurrence (7). Conclusions: Postoperative XELOX without preoperative chemoradiation is effective for rectal cancer and provides good 3-year DFS prospects.And this is probably the first and last report in the world for such cases. Trial registration: This clinical trial was registered in the University Hospital Medical Information Network registry system as UMIN000008634 at Aug 06, 2012.
    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
    detail.hit.zdb_id: 2005181-5
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  • 2
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 36, No. 4_suppl ( 2018-02-01), p. 189-189
    Abstract: 189 Background: The standard first-line treatment for unresectable metastasis or recurrence gastrointestinal stromal tumors (GIST) is imatinib mesylate(IM), a selective tyrosine kinase inhibitor. Although IM has markedly improved the prognosis of patients with advanced GIST, half of the patients experience tumor progression within two years because of resistance to IM. And IM-resistant GIST is basically treated by other kind of TKI, in addition, surgical treatment can be considered as one of treatment options. The aim of this study was to clarify the significance of surgical treatment for IM-resistant GIST in the era of second-line TKI treatment. Methods: We retrospectively analyzed consecutive 35 GIST patients who have developed IM-resistance between 2004 and 2015. We assessed clinicopathological characteristics, postoperative outcomes, imatinib-failure free survival(IFFS), and overall survival(OS) in patients who underwent surgical resection for the IM-resistant lesions. Results: The study enrolled 24 male patients and 11 female patients. The median [range] age was 61 [39-83] years. The primary sites were stomach / small intestine / duodenum: 16 / 14 / 5 cases and resection for primary sites was performed in 32 cases. The median [range] period of IM administration until resistance was 26 [2-119] months, and the resistant lesion sites were liver / peritoneum / primary lesion / local recurrence / bone: 17 / 18 / 2 / 1 / 1 cases (with duplication). Resection for resistant lesions was performed in 18 cases (51%), of which 13 cases (72%) underwent R0 / 1 resection. The postoperative complications ( 〉 Clavien-Dindo classification Grade II) were observed in 3 patients: Biliary leakage, abdominal abscess, and diaphragmatic hernia. IM was resumed promptly after surgery in all 18 patients who underwent resection for IM-resistant lesions, and the median [range] period of IM administration was 22.2 [0.9-56] months. In 5 cases, multiple surgical treatments were performed and second-line TKI was administered in all except for two patients who have still been treated as IM. The median OS was 49 months. Conclusions: It was suggested that surgical treatment for IM-resistant GIST may be safe and effective for appropriate cases.
    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: 2018
    detail.hit.zdb_id: 2005181-5
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  • 3
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 31, No. 4_suppl ( 2013-02-01), p. 566-566
    Abstract: 566 Background: Chemoradiotherapy (CRT) followed by surgery is a standard treatment for locally advanced rectal cancer. Although preoperative CRT decreases local recurrence (LR), pelvic radiation is associated with long-term morbidity. We conducted this study to evaluate the feasibility of neoadjuvant XELOX with bevacizumab (Bmab) in patients (pts) with locally advanced rectal cancer. Methods: Pts with T4 or lymph node (LN) positive rectal cancer were treated with 3 cycles of XELOX with Bmab and one additional cycle of XELOX. Total mesorectal excision was performed 3-8 weeks after the last chemotherapy. The primary endpoint was to assess feasibility and secondary endpoints were R0 resection rate, down staging rate, pathological complete response (pCR) rate and pathological effect over grade 2 (tumor cell death in more than two-thirds of the entire lesion). Results: Twenty five pts were recruited between December 2009 and November 2011. Characteristics of pts were as the following: male/female, 18/7; median age, 63 years (range, 37-75); median diameter of tumor, 52.8mm (range, 38.3-110); T2-T3/T4a/T4b, 7/8/10 and N0/N1/N2, 3/14/8. In 4% of the pts (7 pts), following grade 3-4 adverse events occurred; neutropenia, hypertension, bleeding, rectal obstruction, pelvic infection, anorexia and nausea. The down staging rate of T2-T3/T4a/T4b and N1/N2 were 29/63/50 % and 86/63 %, respectively. Seven pts (28%) discontinued the treatment after 2-3 cycles of XELOX with Bmab (13% in T2-T4a, 50% in T4b). The rate of conducting surgery was 92% and all of them had R0 resections. Postoperative complications were found in 9 pts (39%). The pCR rate was 4%, and the rate of pathological effect over grade 2 was 61%. Two LR (LN positive) and two distant recurrences (1 lung, 1 liver) were reported. Conclusions: XELOX with Bmab followed by surgery was safely performed for locally advanced rectal cancer. The down staging rate was 50% even in T4b pts although half of T4b pts discontinued the study treatment. Based on these preliminary results, we are planning a phase II trial of perioperative XELOX and surgery in locally advanced rectal cancer. Clinical trial information: 000003219.
    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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  • 4
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 35, No. 4_suppl ( 2017-02-01), p. 597-597
    Abstract: 597 Background: We reported in a retrospective study that the presence of micrometastasis in lymph nodes (LNs), when assessed by CEA-specific RT-PCR, is a significant prognostic factor in stage II colorectal cancer (CRC). The aim of this study was to clarify the clinical value of micrometastasis in a prospective multicenter trial. Methods: From November 2001 to December 2005, a total of 419 CRC cases were preoperatively registered at a central data center. Of them, 315 node-negative stage II CRC were enrolled. After RNA quality check, 304 CRC cases were analyzed for CEA mRNA in LNs by both conventional RT-PCR (a band method) and quantitative RT-PCR. Long-term prognosis of the patients was determined by each method. Results: A positive band for CEA mRNA was detected in 73 (24.0%) of 304 patients. Post-operative adjuvant chemotherapy was applied in 31 CEA band-positive cases with an oral 5-FU derivative HCFU (1-hexylcarbamoyl-5-fluorouracil) for one year, while chemotherapy was not administered to CEA band-negative group. Multivariate Cox regression analyses revealed that a high micrometastasis volume (High-MMV, n = 95) was an independent poor prognostic factor for 5-year DFS ( P= 0.001) and 5-year OS ( P= 0.016). Conclusions: This prospective clinical trial demonstrates that micrometastasis volume is a useful marker in identifying patients who are at high or low risk for recurrence of stage II CRC.
    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: 2017
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  • 5
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 31, No. 15_suppl ( 2013-05-20), p. e15016-e15016
    Abstract: e15016 Background: Thougha triplet chemotherapy with D plus CF (DCF) has shown promising activity, high incidence of adverse events (AEs) especially in febrile neutropenia (FN) was observed in previous studies for head and neck cancer (TAX323, 324) and gastric cancer (TAX325). To reduce its AEs with keeping activity, we conducted a multicenter open-label phase I/II study of biweekly D plus CF for AEC. Methods: Eligibility criteria included histologically proven AEC with measurable disease, age 20 to 75, non-resectable or recurrent disease, performance status (PS) 0 to 1. Pts received escalating doses of D (dose level (DL) 1: 30 mg/m 2 , DL 2: 40 mg/m 2 , on days 1, 15) in combination with fixed dose of CF (cisplatin 80 mg/m 2 on day 1, fluorouracil 800 mg/m 2 on days 1-5) repeated every 4 weeks with 3+3 design in phase I part (P-I). The primary endpoint of P-I was dose limiting toxicity (DLT) and that of phase II part (P-II) was response rate (RR) defined by central peer review. Based on a SWOG two stage design (p0=35%, p1=50%; one-sided a=0.1, β =0.2) at least 22 responders among 50 eligible pts should be observed to satisfy the primary endpoint. Results: Between Feb 2009 and Mar 2010, 62 pts were enrolled for P-I and P-II. In P-I, 10 pts were enrolled with DLT of 0/3 in DL1 and 2/7 in DL2. Considering DLT and treatment compliance, the recommended dose for P-II was determined as DL1. Thus, 3 (P-I) and additional 52 pts (P-II) were analyzed: 53 for efficacy (excluded 2 ineligible pts) and 55 for safety. Pts characteristics were as follows: male/female 49/6, age median 61 (range 44 to 75), PS 0/1 39/16. The RR was 62% (95% confidence interval, 48-75%, p 〈 0.0001) by central peer review. Median OS and PFS were 11.1 and 5.8 months. Grade 3/4 toxicity was observed in neutropenia (25%), anemia (36%), hyponatremia (29%), anorexia (24%) and nausea (11%). No grade 3/4 FN was observed. Treatment related death occurred in one patient due to pneumonitis. Conclusions: Biweekly D (30mg/m 2 ) combined with CF showed promising activity and tolerability. A phase III study comparing CF with DCF is warranted. Clinical trial information: UMIN000001737.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    RVK:
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2013
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  • 6
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 39, No. 3_suppl ( 2021-01-20), p. 204-204
    Abstract: 204 Background: Previous results from the ATTRACTION-3 phase 3 trial demonstrated a significant improvement in overall survival and a favorable safety profile compared with taxane chemotherapy (CT) in previously-treated ESCC patients. To our knowledge, no long-term efficacy and safety data of this immune checkpoint inhibitor has been reported in ESCC. Herein, we report the three-year survival data of Nivo in ESCC. Methods: In ATTRACTION-3, 419 patients with unresectable advanced or recurrent ESCC refractory or intolerant to 1 prior fluoropyrimidine/platinum-based CT were randomized in a 1:1 ratio to receive Nivo (N = 210) or the investigator’s choice of CT (paclitaxel or docetaxel) (N = 209) until disease progression or unacceptable toxicity. The primary endpoint was overall survival (OS). A subgroup analysis of OS according to the best overall response (BOR) was performed. The onset of treatment-related adverse events of special interest over time in the Nivo arm was also evaluated. Results: As of data cut-off on 25 May 2020, 3 years after the last patient was enrolled, the median OS (mOS) was 10.91 months with Nivo versus 8.51 months with CT [hazard ratio (HR) 0.79; 95% confidence interval (CI) 0.64-0.97]. The OS rates of patients with Nivo and CT were 20.2 % and 13.5 % at 24 months, and 15.3% and 8.7% at 36 months, respectively. In the subgroup analysis of OS by BOR, mOS in CR/PR patients were 19.91 and 15.41 months (HR 0.84, 95%CI 0.46-1.54) and that in SD patients were 17.38 and 9.36 months (HR 0.45, 95%CI 0.26-0.78) in the Nivo and CT arm, respectively. Furthermore, mOS in PD patients were 10.91 and 6.18 months (HR 0.56, 95%CI 0.33-0.95) in the Nivo and CT arm, respectively. No new safety signals were detected during the three-year follow-up. Time to onset of the event of special interest was within the range of events previously observed in other indications. Conclusions: At three-year follow up, Nivo continued to show improved OS over CT in pretreated patients with advanced ESCC patients. Nivo showed a longer mOS than CT regardless of BOR. During the three-year follow-up, no new safety signals were observed. Clinical trial information: NCT02569242.
    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: 2021
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  • 7
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 41, No. 4_suppl ( 2023-02-01), p. 290-290
    Abstract: 290 Background: NIVO + chemo and NIVO + IPI demonstrated superior overall survival (OS) vs chemo in CheckMate 648 (NCT03143153), leading to approvals in the US, EU, Japan, and other countries. We report longer follow-up results. Methods: Adults with previously untreated, unresectable advanced, recurrent, or metastatic ESCC were randomized to NIVO (240 mg Q2W) + chemo (fluorouracil + cisplatin Q4W), NIVO (3 mg/kg Q2W) + IPI (1 mg/kg Q6W) or chemo. Primary endpoints were OS and progression-free survival (PFS) per blinded independent central review (BICR). Hierarchical testing was done first in patients (pts) with tumor cell programmed death ligand 1 (PD-L1) ≥ 1%, then in all randomized pts. Results: 970 pts were randomized to NIVO + chemo, NIVO + IPI, or chemo. With 29-mo minimum follow-up, NIVO + chemo and NIVO + IPI continued to show improvement in OS vs chemo, including higher 24-mo OS rates, in pts with tumor cell PD-L1 ≥ 1% and all randomized pts. Responses were more durable and a larger proportion of responders had a duration of response (DOR) ≥ 24 mo with NIVO + chemo and NIVO + IPI vs chemo in pts with tumor cell PD-L1 ≥ 1% (22%, 36%, 13%, respectively) and all randomized pts (21%, 29%, 13%). Additional efficacy data by PD-L1 status will be presented. Any-grade treatment-related adverse events (TRAEs) occurred in 96% (grade 3/4, 49%) of pts with NIVO + chemo, 80% (33%) with NIVO + IPI, and 90% (36%) with chemo. Any-grade TRAEs leading to discontinuation occurred in 35% of pts with NIVO + chemo, 19% with NIVO + IPI, and 21% with chemo. Treatment-related deaths occurred in 2% of pts in each arm. Conclusions: NIVO + chemo and NIVO + IPI continued to demonstrate clinically meaningful survival benefit vs chemo, durable objective responses, and acceptable safety profiles with longer follow-up. This further supports each regimen as a new 1L treatment option for advanced ESCC. Clinical trial information: NCT03143153 . [Table: see text]
    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: 2023
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  • 8
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 33, No. 3_suppl ( 2015-01-20), p. 183-183
    Abstract: 183 Background: ETS and DpR have been recognized as favorable prognostic factors of metastatic colorectal cancer. However, the effect of tumor shrinkage on clinical outcomes has not yet been reported for metastatic esophageal cancer (mEC). The purpose of the present study is to determine the associations of ETS and DpR with progression-free survival (PFS), post-progression survival (PPS), and overall survival (OS) in patients (pts) with mEC. Methods: This exploratory analysis included 53 pts, who received triplet chemotherapy with docetaxel (D) plus CF (cisplatin plus 5-fluorouracil) (DCF) as a first-line treatment during the JCOG0807. ETS after 8 weeks was defined as a relative change of 20% in the sum of the longest diameters of target lesions compared with baseline. DpR was defined as a relative change in the sum of the longest diameters of target lesions at the nadir compared with baseline. The cutoff level of DpR was 30%. PPS was calculated as follows: PPS = OS - PFS. Univariate and multivariate analysis using Cox proportional hazard model was performed to identify a predictor of PFS and OS. Results: Thirty-five of the 53 pts achieved ETS ≥ 20% after 8 weeks. Thirty-seven of the 53 pts achieved DpR ≥ 30%. Pts with ETS ≥ 20% showed longer PFS (7.5 vs. 3.4 months (M), p 〈 0.001, HR: 0.26, 95% CI 0.14–0.49), longer OS (13.8 vs. 6.1 M, p 〈 0.001, HR 0.20, 95% CI 0.11–0.39), and longer PPS (6.4 vs. 2.8 M, p = 0.002, HR 0.38, 95% CI 0.20–0.72). Further, pts with DpR ≥ 30% showed longer PFS (7.5 vs. 2.9 M, p 〈 0.001, HR 0.17, 95% CI 0.08–0.34), longer OS (13.8 vs. 6.0 M, p 〈 0.001, HR 0.14, 95% CI 0.07–0.27), and longer PPS (6.8 vs. 2.8 M, p 〈 0.001, HR 0.30, 95% CI 0.15–0.57). Multivariate analysis, including the following additional prognostic variables: age, ECOG PS, the lactate dehydrogenase level, and the number of organs with metastases revealed that ETS ≥ 20% and DpR ≥ 30% were predictors of PFS and OS. Conclusions: ETS and DpR were associated with longer PFS, OS, and PPS. They were also strongly prognostic of PFS and OS in mEC pts treated with DCF. These findings support the treatment strategy involving the highly effective triplet chemotherapy as a first-line treatment of mEC. Clinical trial information: UMIN000001737.
    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: 2015
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  • 9
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 35, No. 4_suppl ( 2017-02-01), p. 199-199
    Abstract: 199 Background: Ramucirumab is a human, monoclonal antibody that specifically blocks activation of vascular endothelial growth factor (VEGF) Receptor. Ramucirumab with paclitaxel have shown the efficacy, and is recommended as second line chemotherapy in the gastric cancer treatment guideline in Japan. June 2015, ramucirumab was approved in Japan. Methods: We retrospectively investigated the efficacy and safety of ramucirumab in the patients with advanced gastric cancer in our institution from July 2015 to September 2016. Results: 50 patients were eligible. 11 patients were administered as ramucirumab monotherapy, and 39 patients were in combination with paclitaxel. 22 patients were administered as 2nd line treatment and 24 patients as third or more lines. Progression free survival and overall survival of all assessable patients was 2.4 months (95% CI: 1.8 - 4.6) and 6.0 months (95% CI: 4.6 - 9.2), respectively. PFS in subgroup of 2nd line and combined with paclitaxel (n = 20) was 7.0 months. Response rate in patients who had mesuarable lesion was 22.8 %. Major grade 3/4 adverse events were Leukopenia (59.1%), Neutropenia (68.2 %), febrile neutropenia (9.1%), and GI perforation (2.0 %). Conclusions: Ramucirumab seemed to be effective and safe in clinical setting against advanced gastric cancer.
    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: 2017
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