An Immune Cell Signature is Associated with Disease-Free Survival and Adjuvant Chemosensitivity of Patients with Resectable Gastric Cancer

2020 ◽  
Author(s):  
Hongfei Yan ◽  
Yang Chen ◽  
Zichang Yang ◽  
Zhi Li ◽  
Xiaofang Che ◽  
...  
2013 ◽  
Vol 31 (15_suppl) ◽  
pp. 4066-4066
Author(s):  
Yu Yang Soon ◽  
Cheng Nang Leong ◽  
Jeremy Chee Seong Tey ◽  
Ivan Weng Keong Tham ◽  
Jiade Jay Lu

4066 Background: The benefits of adjuvant chemo-radiotherapy (ChRT) over chemotherapy (Ch) for resectable gastric cancer are currently unclear. We performed a systematic review and meta-analysis (direct and indirect) of published randomized controlled trials (RCT) to compare the effects of adjuvant chemo-radiotherapy with chemotherapy on overall and disease-free survival for patients with resectable gastric cancer. Methods: We searched MEDLINE and CENTRAL from the date of inception and annual meeting proceedings of ASCO and ASTRO from 1999 to November 2012 for RCTs comparing adjuvant ChRT with Ch, adjuvant ChRT with surgery alone and adjuvant Ch with surgery alone. The primary outcome was overall survival (OS); secondary outcomes included disease-free survival (DFS) and toxicity. Hazard ratios (HR), confidence intervals (CI) and p values (p) were estimated with fixed effects models using Revman 5.1. Results: We found five trials comparing adjuvant ChRT with Ch (n = 1110), three trials comparing adjuvant ChRT with surgery alone (n = 651) and 31 trials comparing adjuvant Ch with surgery alone (n = 8273). Meta-analysis of direct comparison trials showed that adjuvant ChRT significantly improved both OS (HR 0.79, 95% CI 0.64-0.98, p = 0.03) and DFS (HR 0.76, 95% CI 0.64-0.92, p = 0.004) when compared with Ch. Subgroup analyses showed that the effects on OS and DFS were similar regardless of use of D2 nodal dissection, intensity modulated radiotherapy techniques, fluorouracil or platinum-based chemotherapy. There were no significant differences in toxicity between the two groups. The results for the direct and indirect comparisons were statistically consistent. Conclusions: There was a significant survival benefit of adjuvant chemo-radiotherapy over chemotherapy, with no increase in toxicity for patients with resected gastric cancer. Future efforts should also focus on predictive markers, and toxicity or quality-of-life assessments, to individualize adjuvant therapy and optimize the therapeutic ratio.


2019 ◽  
Vol 30 ◽  
pp. v300-v301
Author(s):  
Z. Liu ◽  
M. Shi ◽  
S. Song ◽  
J. Gao ◽  
H. Li ◽  
...  

2021 ◽  
Vol 11 ◽  
Author(s):  
Hongfei Yan ◽  
Yang Chen ◽  
Zichang Yang ◽  
Zhi Li ◽  
Xiaofang Che ◽  
...  

Increasing evidence has indicated that current tumor-node-metastasis (TNM) stage alone cannot predict prognosis and adjuvant chemotherapy benefits accurately for stages II and III gastric cancer (GC) patients after surgery. In order to improve the predictive ability of survival and adjuvant chemotherapy benefits of GC patients after surgery, this study aimed to establish an immune signature based on the composition of infiltrating immune cells. Twenty-eight types of immune cell fractions were evaluated based on the expression profiles of GC patients from the Gene Expression Omnibus (GEO) database using single-sample gene set enrichment analysis (ssGSEA). The immunoscore (IS) was constructed using a least absolute shrinkage and selection operator (LASSO) Cox regression model. Through the LASSO model, an IS classifier consisting of eight immune cells was constructed. Significant difference was found between high-IS and low-IS groups in the training cohort in disease-free survival (DFS, P < 0.0001) and overall survival (OS, P < 0.0001). Multivariate analysis showed that the IS classifier was an independent prognostic indicator. Moreover, a combination of IS and TNM stage exhibited better prognostic value than TNM stage alone. Further analysis demonstrated that low-IS patients who had more tumor-infiltrating lymphocytes had better response to adjuvant chemotherapy. More importantly, we found that patients with high-IS were more likely to benefit from a Xeloda plus cisplatin regimen after surgery. Finally, we established two nomograms to screen the stage II and III GC patients who benefitted from adjuvant chemotherapy after surgery. The combination of IS classifier and TNM stage could predict DFS and OS of GC patients. The IS model has been proven as a promising tool that can be used to identify the patients with stages II and III GC who may benefit from adjuvant chemotherapy.


2018 ◽  
Vol 17 (3) ◽  
pp. 619-627 ◽  
Author(s):  
Yu Kyung Lee ◽  
Kyeore Bae ◽  
Hwa-Seung Yoo ◽  
Seung-Hun Cho

Introduction: Stomach cancer, historically, has a low survival rate advances in curative resection procedures. Objectives: To assess the potential benefits of traditional herbal medicines in conjunction with chemotherapy in postoperative gastric cancer patients in terms of overall survival and disease-free survival. Data Sources: We searched the Cochrane Central Register of Controlled Trials, MEDLINE, EMBASE, a Chinese database (CNKI), a Korean database, a Japanese database, AMED, and CINAHL up to September 2016. We summarized survival data from all RCTs. Study Selection: All RCTs of oral traditional medicines for resectable gastric cancer compared with chemotherapy alone were eligible. Data Extraction: Thirteen eligible trials with survival data (1075 patients) were deemed eligible for inclusion. Results: There were 217 documented deaths of the 574 patients assigned to adjuvant traditional medicines groups and 319 documented deaths of the 501 patients assigned to the chemotherapy-only groups. Adjuvant traditional medicines were associated with a statistically significant benefit in terms of overall survival rate (hazard ratio = 0.56; 95% confidence interval = 0.47-0.66; P < .00001) and disease-free survival (hazard ratio = 0.54; 95% confidence interval = 0.43-0.66; P < .00001). Conclusion: Among the RCTs included, the inclusion of postoperative adjuvant traditional medicines was associated with reduced risk of death in gastric cancer patients, when survival rates were compared with the group of patients who received chemotherapy alone. However, most of the included studies utilized are thought to be of low quality, so it would certainly appear that more trials are both advisable and necessary to arrive at correct and convincing conclusions.


2014 ◽  
Vol 31 (7) ◽  
Author(s):  
Xiao-tian Ye ◽  
Ai-jun Guo ◽  
Peng-fei Yin ◽  
Xian-dong Cao ◽  
Jia-cong Chang

2014 ◽  
Vol 21 (6) ◽  
pp. 1998-2004 ◽  
Author(s):  
Paolo Aurello ◽  
Simone Maria Tierno ◽  
Giammauro Berardi ◽  
Federico Tomassini ◽  
Paolo Magistri ◽  
...  

2021 ◽  
Vol 39 (15_suppl) ◽  
pp. e16019-e16019
Author(s):  
Zhili Shan ◽  
Feng Guo ◽  
Hong Chen ◽  
Dapeng Li ◽  
Zhongqi Mao ◽  
...  

e16019 Background: Postoperative adjuvant chemotherapy is commonly given after the curative resection of gastric cancer (GC) in both Eastern and Western countries. Several studies have investigated the feasibility and safety of S-1 plus docetaxel or S-1 plus cisplatin. However, the best choice of adjuvant treatment for patients with gastric cancer is still debated. Apatinib, an oral small molecular of VEGFR-2 TKI, has been confirmed to improve OS and PFS with acceptable safety profile in patients with advanced gastric cancer refractory to two or more lines of prior chemotherapy. In this study, we aimed to evaluate the efficacy and safety of apatinib combined with S-1/docetaxel for locally advanced gastric cancer (T3-4aN+M0). Methods: This is a prospective, randomized, controlled, multicenter clinical study. Patients with locally advanced gastric cancer, pathological stage T3-4aN+M0 who underwent D2 lymphadenectomy without prior anti-cancer therapy were included. All these patients were assigned to group A or B. Patients in group A received 6 cycles (21 days a cycle) of adjuvant therapy using S-1 (80-120mg/d, d1-14), and docetaxel (40mg/m2, d1). Group B received the same regimen with the addition of apatinib (250mg, qd.). The primary endpoint was disease-free survival (DFS). The final analysis cutoff date was 30 November, 2020. Results: A total of 45 patients were enrolled from January 2019 to November, 2010 and assigned to group A (21) or group B (24). The DFS was not reached in both of the groups. The 1-year disease-free survival rate was 60% in group A and 90% in the group B, while the difference was not significant. The main AEs in group A were anemia (55%), nausea (50%) and neutropenia (40%); The most common AEs in group B were anemia (45%) neutropenia (40%) and diarrhea (25%). There were no treatment-related deaths. The longest administered time of apatinib with no progression was 457 days. And the median time to receive apatinib was 329 days. Conclusions: Combination of apatinib with S-1/docexal chemotherapy shows clinical benefits in locally advanced gastric cancer (T3-4aN+M0), with tolerable toxicity. The study is still ongoing to reach our final endpoint, DFS. Clinical trial information: ChiCTR2000038900.


1989 ◽  
Vol 7 (8) ◽  
pp. 1105-1112 ◽  
Author(s):  
D M Nanus ◽  
D P Kelsen ◽  
D Niedzwiecki ◽  
D Chapman ◽  
M Brennan ◽  
...  

Adenocarcinoma of the proximal portion of the stomach (gastroesophageal [GE] junction and cardia) is increasing in incidence. The inferior survival of patients with GE-cardia lesions as compared with patients with tumors located in the body and antrum has been attributed to anatomic features. To determine if a biological difference could explain the varying prognosis, flow cytometric studies were performed prospectively in 50 patients with operable gastric cancer and analyzed for association with site, histology, gender, age, stage, and disease-free survival. DNA aneuploidy significantly correlated with tumor location: 96% of GE-cardia carcinomas were aneuploid as compared with 48% of body-antrum tumors (P = .0008). Nodal involvement was more common in aneuploid tumors (P = .0548), and women were more likely to have diploid tumors than were men (P = .0233). The median disease-free survival for patients with diploid tumors was 18.5 months as compared with 5.4 months for patients with aneuploid carcinomas (P = .076). Furthermore, within the body-antrum of the stomach, patients with diploid tumors had a significantly better disease-free survival than did those with aneuploid tumors from the same site (18.4 v 4.7 months, P = .0185). These results indicate there is a difference in the DNA content of gastric tumors located in different sites within the stomach and that DNA content correlates with prognosis.


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.


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