Phase II feasibility study of adjuvant S-1 plus docetaxel for stage III gastric cancer patients after curative D2 gastrectomy (OGSG 0604).

2012 ◽  
Vol 30 (4_suppl) ◽  
pp. 108-108 ◽  
Author(s):  
Jin Matsuyama ◽  
Shigeyuki Tamura ◽  
Kazumasa Fujitani ◽  
Yutaka Kimura ◽  
Takeshi Tsuji ◽  
...  

108 Background: An adjuvant chemotherapy with S-1 has become the standard treatment for patients (pts) with stage II/III gastric cancer (GC) who have undergone gastrectomy with D2 dissection in Japan, but it is assumed that the survival benefit for stage III pts who received S-1 is modest. S-1 plus docetaxel has shown that the response rate and median overall survival (OS) were 56% and 14.3 months in pts with advanced GC. The aims of this phase II study were to evaluate the feasibility and safety of adjuvant S-1 plus docetaxel in pts with stage III GC with D2 surgery. Methods: Pts with pathological stage III GC who underwent gastrectomy with D2 dissection received oral S-1 (80 mg/m2/day) administration for 2 consecutive weeks and intravenous docetaxel (40 mg/m2) on day 1, repeated every 3 weeks (1 cycle). The treatment was started within 45 days after surgery, and repeated for 4 cycles, followed by S-1 administration until 1 year after surgery. The primary endpoint was feasibility of the 4 cycles administration of S-1 plus docetaxel; secondary endpoints were safety, progression-free survival (PFS), OS, and feasibility of S-1 administration until 1 year after surgery. Results: We enrolled 53 pts, 42 males and 11 females with a median age of 65 years (range, 43-78), between May 2007 and August 2008. Pathological stages included IIIA in 36 pts and IIIB in 17 pts. The feasibility of planned 4 cycles of treatment was 77.4% (95% CI 63.8-87.7%, p < 0.001) with 41 pts out of 53 pts. Grade 4 neutropenia was observed in 28% of pts with grade 3 febrile neutropenia in 9%. Non-hematological toxicities of grade 3 or more involved fatigue in 6%, anorexia in 9%, and nausea in 6%. No treatment-related deaths occurred. Reasons for discontinuation were recurrent cancer in 1 pt, adverse events in 10, and miscellaneous in 1, respectively. 3 year overall survival was 78.8% (95% CI 68.4-90.7) and 3 year disease free survival was 50.3% (95% CI 34.4-73.3). Conclusions: Adjuvant S-1 plus docetaxel therapy is feasible and has only moderate toxicity in stage III gastric cancer pts. We believe that this regimen will be a candidate for future phase III trials seeking the optimal adjuvant chemotherapy for stage III gastric cancer patients.

Author(s):  
Birendra Kumar Sah ◽  
Xu Wei ◽  
Zhang Benyan ◽  
Zhang Huan ◽  
Yuan Fei ◽  
...  

AbstractPurposeNeoadjuvant fluorouracil plus leucovorin, oxaliplatin, and docetaxel (FLOT) has shown significant benefits for gastric cancer patients. However, it has not been well accepted in Asian countries, so we conducted a prospective study on the safety and feasibility of this regimen in Chinese patients.MethodsPatients with adenocarcinoma of the stomach or esophagogastric junction received 4 cycles of neoadjuvant chemotherapy (NAC) and 4 cycles of adjuvant chemotherapy (AC) with the FLOT regimen. The completion status of chemotherapy, adverse events, postoperative morbidities and pathological tumor regression were analyzed. The two-year overall survival (OS) and relapse-free survival are presented.ResultsAltogether, 10 patients were enrolled, and all patients completed 4 cycles of neoadjuvant chemotherapy. There were no severe hematological adverse events (grade 3 or above), except for a case of grade 3 anemia. All 10 patients underwent radical gastrectomy. Nine patients had R0 resection, and 3 patients had complete or subtotal pathological tumor regression. Nine patients completed 4 cycles of adjuvant chemotherapy, but only one patient completed the full dose of adjuvant chemotherapy. The dose of adjuvant chemotherapy was reduced by 25% or less in the other patients. The median follow-up time was 23.13 months, 8 patients achieved the overall survival endpoint, and 7 patients had relapse-free survival for this period. Two patients died of disease progression.ConclusionsOur study demonstrates that neoadjuvant chemotherapy with FLOT regimen is safe and effective for Chinese patients. Dose adjustment is necessary for adjuvant chemotherapy. The pathological regression and survival rates need reevaluation in a larger cohort.


2021 ◽  
Vol 10 ◽  
Author(s):  
Birendra Kumar Sah ◽  
Wei Xu ◽  
Benyan Zhang ◽  
Huan Zhang ◽  
Fei Yuan ◽  
...  

BackgroundNeoadjuvant fluorouracil plus leucovorin, oxaliplatin, and docetaxel (FLOT) has shown significant benefits for gastric cancer patients. However, it has not been well accepted in Asian countries. We conducted a prospective study on the safety and feasibility of the FLOT regimen in Chinese patients.MethodsPatients with adenocarcinoma of the stomach or esophagogastric junction received four cycles of neoadjuvant chemotherapy (NAC) and four cycles of adjuvant chemotherapy (AC) with the FLOT regimen. The completion status of chemotherapy, adverse events, postoperative morbidities, and pathological tumor regression were analyzed. The 2-year overall survival (OS) and relapse-free survival are presented.ResultsAltogether, 10 patients were enrolled, and all patients completed four cycles of neoadjuvant chemotherapy. There were no severe hematological adverse events (grade 3 or above), except for a case of grade 3 anemia. All 10 patients underwent radical gastrectomy. Nine patients had R0 resection, and three patients had complete or subtotal pathological tumor regression. Nine patients completed four cycles of adjuvant chemotherapy, but only one patient completed the full dose of adjuvant chemotherapy. The dose of adjuvant chemotherapy was reduced by 25% or less in the other patients. The median follow-up time was 23.13 months, eight patients achieved the overall survival endpoint, and seven patients had relapse-free survival for this period. Two patients died of disease progression.ConclusionsOur study demonstrates that the neoadjuvant FLOT regimen is safe and effective for Chinese patients. Dose adjustment is necessary for adjuvant chemotherapy. The pathological regression and survival rates need reevaluation in a larger cohort. The trial is registered with ClinicalTrials.gov (number NCT03646591).


2012 ◽  
Vol 30 (4_suppl) ◽  
pp. 142-142
Author(s):  
Yutaka Kimura ◽  
Kazumasa Fujitani ◽  
Shugo Ueda ◽  
Hirokazu Taniguchi ◽  
Hiroshi Imamura ◽  
...  

142 Background: An adjuvant chemotherapy with S-1 has become the standard treatment for patients (pts) with stage II/III gastric cancer (GC) in Japan. But, it is assumed that the survival benefit for stage III pts who received S-1 is modest. S-1 plus CPT-11 has not shown the superiority in median overall survival (OS), but shown the well response rate (56%) and tolerability in Phase III trial (TOP-002 study). The aims of this phase II study were to evaluate the feasibility and safety of adjuvant S-1 plus CPT-11 in pts with stage III GC who underwent D2 surgery. Methods: Pts with pathological stage IIIA and IIIB GC who underwent gastrectomy D2 dissection, age 20-75 years, performance status < 1, and informed consent received oral S-1 (80 mg/m2/day) administration for consecutive 3 weeks and intravenous CPT-11 (80 mg/m2) on day 1, 15, repeated every 5 weeks (1 cycle). The treatment was repeated for 4 cycles, followed by S-1 administration until 1 year after surgery. The primary endpoint was feasibility of the 4 cycles administration of S-1 plus CPT-11. Results: We enrolled forty-five pts, 22 males and 23 females with a median age of 61 years, between December 2008 and April 2010. Pathological stages included IIIA in 25 pts and IIIB in 20 pts. The feasibility of planned 4 cycles of treatment was 62.2% (95% CI 46.5-76.2%, p=0.068) with 28 pts out of 45 pts. Non-hematological toxicities of grade 3 or more involved diarrhea in 13%, anorexia in 16%, nausea in 7% and vomiting in 4%. No Grade 4 toxicities were observed. Conclusions: Adjuvant S-1 plus CPT-11 therapy had moderate hematological toxicities, but observed several severe non-hematological toxicities. Therefore, predicted feasibility was not achieved. Although the follow-up period is too short to evaluate OS and feasibility of S-1 administration, it is hoped that this regimen will be a candidate for future phase III trial seeking for the optimal adjuvant chemotherapy for stage III GC pts after D2 dissection if OS will be improved.


1999 ◽  
Vol 17 (12) ◽  
pp. 3810-3815 ◽  
Author(s):  
Lluís Cirera ◽  
Anna Balil ◽  
Eduard Batiste-Alentorn ◽  
Ignasi Tusquets ◽  
Teresa Cardona ◽  
...  

PURPOSE: The efficacy of adjuvant chemotherapy in gastric cancer is controversial. We conducted a phase III, randomized, multicentric clinical trial with the goal of assessing the efficacy of the combination of mitomycin plus tegafur in prolonging the disease-free survival and overall survival of patients with resected stage III gastric cancer. PATIENTS AND METHODS: Patients with resected stage III gastric adenocarcinoma were randomly assigned, using sealed envelopes, to receive either chemotherapy or no further treatment. Chemotherapy was started within 28 days after surgery according to the following schedule: mitomycin 20 mg/m2 intravenously (bolus) at day 1 of chemotherapy; 30 days later, oral tegafur at 400 mg bid daily for 3 months. Disease-free survival and overall survival were estimated using the Kaplan-Meier analysis and the Cox proportional hazards model. RESULTS: Between January 1988 and September 1994, 148 patients from 10 hospitals in Catalonia, Spain, were included in the study. The median follow-up period was 37 months. The tolerability of the treatment was excellent. The overall survival and disease-free survival were higher in the group of patients treated with chemotherapy (P = .04 for survival and P = .01 for disease-free survival in the log-rank test). The overall 5-year survival rate and the 5-year disease-free survival rate were, respectively, 56% and 51% in the treatment group and 36% and 31% in the control group. CONCLUSION: Our positive results are consistent with the results of recent studies; which conclude that there is a potential benefit from adjuvant chemotherapy in resected gastric cancer.


2015 ◽  
Vol 33 (3_suppl) ◽  
pp. 181-181
Author(s):  
Chun-Xia Du ◽  
Xiao-Yan Liu ◽  
Hong-Gang Zhang ◽  
Ai-Ping Zhou

181 Background: To compare the efficacy of docetaxel plus FOLFOX4 to FOLFOX4 as adjuvant chemotherapy for gastric cancer patients. Methods: 320 patients with stage IB-IV (M0) gastric cancer were enrolled into the retrospective study. All patients received a total or subtotal gastrectomy with at least D1 lymph nodes dissection. 193 patients received FOLFOX4 as adjuvant chemotherapy. 127 patients received biweekly docetaxel plus FOLFOX4 (DOF regimen) as adjuvant chemotherapy. Docetaxel was administered at 40 mg/m2 on day 1, followed by FOLFOX4 regimen. Both of the regimens were repeated every 2 weeks for a maximum of 12 cycles. Results: In comparison with patients in FOLFOX4 group, patients in DOF group were relatively younger (p=.001), with more advanced disease in pN stage (p=.035) and pTNM stage (p=.031), received more cycles of adjuvant chemotherapy (p=.004), and had a higher percentage of adjuvant radiation (p =.002). After adjustment of unbalanced variables as mentioned above, no statistical difference was observed between DOF group and FOLFOX4 group in terms of 3-year disease-free survival (54% vs 69%, p = 0.100, HR 1.362, 95% CI (0.943-1.967)) and 3-year overall survival(70% vs 72%, p = 0.810, HR 1.049, 95% CI (0.711-1.548)). Stratified analysis according to clinicopathologic characters showed that there were almost no statistical differences of 3-year overall survival rates between two groups, except the primary site (middle 1/3) (p =.025) and pTNM stage (IIb stage) (p =.035) in favor of FOLFOX4 group. The incidences of grade 3/4 adverse events were obviously higher in DOF group than in FOLFOX4 group,including decreased appetite (18.1% V 10.4%, P = 0.046), diarrhea (4.7% V 0%, p=0.004 ), hypersensitivity reactions to oxaliplatin (3.1% V 0%, p=0.024) and neutropenia (47.3% V 31.6%, p=0.004). Conclusions: Compared to FOLFOX4 regimen, adjuvant docetaxel plus FOLFOX4 did not show significant survival advantages in gastric cancer patients. However, a more serious toxicity profile was observed in docetaxel plus FOLFOX4 arm. Further studies are needed to decide whether triplet regimen is appropriate as adjuvant chemotherapy of gastric cancer.


2020 ◽  
Vol 38 (15_suppl) ◽  
pp. 4529-4529
Author(s):  
Daisuke Kobayashi ◽  
Ryoji Fukushima ◽  
Mitsuhiko Ota ◽  
Sachio Fushida ◽  
Naoyuki Yamashita ◽  
...  

4529 Background: Intraperitoneal (IP) chemotherapy is a promising treatment option for gastric cancer with peritoneal metastasis. Although a phase III study failed to show a statistically significant superiority of IP paclitaxel (PTX) combined with S-1 and intravenous PTX over S-1/cisplatin (SP), the standard of care as a first-line treatment in Japan, the sensitivity analysis suggested clinical efficacy of the IP PTX. Thus, attempts to combine IP PTX with other systemic therapies with higher efficacy have been warranted. After a dose-finding study, we sought to explore efficacy of a new regimen that combined IP PTX with SP. Methods: Gastric cancer patients with peritoneal metastasis confirmed by diagnostic imaging, laparoscopy or laparotomy were enrolled in the phase II multi-institutional prospective trial. In addition to the established SP regimen (S-1 administered orally at a dose of 80 mg/m2 bid for 21 days followed by a 14-day rest and cisplatin administered intravenously at a dose of 60 mg/m2 on day 8), IP PTX was administered on days 1, 8 and 22 at a dose of 20 mg/m2. The primary endpoint is overall survival (OS) rate at one year after treatment initiation. Secondary endpoints are progression free survival (PFS), response rate and toxicity. Results: Fifty-three patients were enrolled and fully evaluated for OS and toxicity. The median number of courses was 7 (range 1-20). The 1-year OS rate was 74% (95% CI, 60-83%). The median survival time was 19.4 months (95% CI, 16.7 months-). The 1-year PFS rate was 57% (95% CI, 42-69%). The overall response rate was 20% (95% CI, 1-72%) in 5 patients with target lesions. Cancer cells ceased to be detected by peritoneal cytology in 23 (64%) of 36 patients. Fourteen (26%) patients underwent gastrectomy after response to chemotherapy. The incidences of grade 3/4 hematological and non-hematological toxicities were 43% and 47%, respectively. The frequent grade 3/4 toxicities included neutropenia (23%), anemia (29%), diarrhea (13%) and anorexia (17%). Intraperitoneal catheter and implanted port-related complications were observed in 4 patients. There was 1 treatment-related death. Conclusions: IP PTX combined with SP is well tolerated and active in gastric cancer patients with peritoneal metastasis. Clinical trial information: UMIN000023000 .


2020 ◽  
Author(s):  
Tomoyuki Matunaga ◽  
Ryo Ishiguro ◽  
Wataru Miyauchi ◽  
Yuji Shishido ◽  
Kozo Miyatani ◽  
...  

Abstract Background: This study was conducted to assess the long-term outcomes of elderly patients among propensity-score-matched gastric cancer patients after curative gastrectomy and to propose the proper management of elderly gastric cancer patients.Methods: We enrolled 626 patients with gastric cancer who underwent curative gastrectomy at our institution between January 2004 and December 2015. To minimize selection bias among 2 groups, propensity score matching was performed.Results: Patients were divided into an elderly group over 75 years old (EP group; n=186) and a non-elderly group (NEP group; n=440). After propensity score matching, patients were divided into EP group (n=186) and NEP group (n=186). Five-year overall survival was significantly lower in the EP group than in the NEP group, consistent with a subgroup analysis of each stage. However, the 5-year disease-specific survival among all enrolled patients and those with stage I and II disease did not differ significantly. Moreover, in the subgroup of stage III patients, 5-year disease-specific survival was significantly lower in the EP group (23.0%) than in the NEP group (59.4%; P=0.004). Because elderly patients with stage III disease had an extremely poor prognosis, we decided to compare the two groups with stage III. The EP group contained significantly fewer patients with D2 lymphadectomy (P=0.002) and adjuvant chemotherapy (P<0.001) than the NEP group. Multivariate analysis revealed that older age and lymphatic invasion were independent prognostic factors. C-reactive protein to albumin ratio was significantly higher in patients in the EP group than in the NEP group (P=0.046), and the prognostic nutritional index was significantly lower in EP group patients than NEP group patients (P=0.045). Conclusions: Elderly gastric cancer patients with stage III disease showed poorer disease-specific survival compared with non-elderly patients, which may be due to fewer D2 lymphadenectomies, a lack of adjuvant chemotherapy, and a poorer nutritional and inflammatory background. The safe induction of standard lymphadenectomy and adjuvant chemotherapy with perioperative aggressive nutritional support may improve the prognosis of elderly gastric cancer patients with stage III disease.


2012 ◽  
Vol 30 (15_suppl) ◽  
pp. TPS4142-TPS4142
Author(s):  
Minkyu Jung ◽  
Seok Yun Kang ◽  
Bong-Seog Kim ◽  
Ki Hyang Kim ◽  
Kyung Hee Lee ◽  
...  

TPS4142 Background: Complete surgical resections remains the only chance for cure in patients with gastric cancer, but approximately from 40% to 80% of patients still have recurrences and most patients ultimately die from their disease. The recent adjuvant trials in gastric cancer showed significantly improved survival in patients with adjuvant chemotherapy than those with surgery alone. However, further studies need for the effect of adjuvant chemotherapy following D2 dissected gastric cancer patients, especially in advanced gastric cancer. S-1 is an oral anticancer drug, a prodrug of fluorouracil, very effective in gastric cancer. Docetaxel is the first drug that showed survival benefits when added to the two drugs in advanced gastric cancer patients. And docetaxel is also synergistic anti-cancer effect with S-1 in advanced gastric cancer. Base on this background, the aim of this study is to detect a significant increase in 3 –year disease free survival (DFS) of adjuvant chemotherapy with docetaxel and S-1(DS) relative to those with S-1 and cisplatin (SP) in patients with stage III gastric cancer Methods: This study is an open-label, phase 3, randomized controlled trial, multicenter in South Korea. Patients with stage III (AJCC 7th edition) gastric cancer who had had curative D2 gastrectomy is randomly assigned to receive adjuvant chemotherapy of eight 3-week cycles of intravenous docetaxel (35 mg/m2 on day 1 and 8 of each cycle) plus oral S-1 (35 mg/m2 twice daily on days 1 to 14 of each cycle) for 6 months (DS) or chemotherapy of eight 3-week cycles of oral S1 plus intravenous cisplatin (60 mg/m2). After satisfying the screening criteria, patients have been randomized to the SD or SP arm in a 1:1 ratio. The randomization is stratified by institution and stage of disease (IIIA vs. IIIB vs. IIIC). The each stratum has been randomized by using the method of randomly permuted block. The primary endpoint is 3 year DFS, will analyze by intention to treat. A total of 290 patients will be enrolled, 67 patients have been treated to day, with continuing accrual. The trial is registered at ClinicalTrials.gov (NCT01283217).


2014 ◽  
Vol 32 (15_suppl) ◽  
pp. e15032-e15032
Author(s):  
Jin Matsuyama ◽  
Kazumasa Fujitani ◽  
Shigeyuki Tamura ◽  
Yutaka Kimura ◽  
Hiroshi Imamura ◽  
...  

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