Benefit of Adjuvant Chemotherapy After Curative Resection of Lung Metastasis in Colorectal Cancer

2015 ◽  
Vol 23 (3) ◽  
pp. 928-935 ◽  
Author(s):  
Hyung Soon Park ◽  
Minkyu Jung ◽  
Sang Joon Shin ◽  
Su Jin Heo ◽  
Chang Gon Kim ◽  
...  
2015 ◽  
Vol 33 (15_suppl) ◽  
pp. e14593-e14593
Author(s):  
Chang Gon Kim ◽  
Su Jin Heo ◽  
Hyung Soon Park ◽  
Minkyu Jung ◽  
Chang Young Lee ◽  
...  

2019 ◽  
Vol 49 (10) ◽  
pp. 985-990 ◽  
Author(s):  
Kenichi Miyamoto ◽  
Atsuo Takashima ◽  
Junki Mizusawa ◽  
Yuya Sato ◽  
Yasuhiro Shimada ◽  
...  

Abstract Adjuvant chemotherapy is the current standard treatment for stage III colorectal cancer after curative resection. However, the prognosis of stage III colorectal cancer is still poor even after curative resection and adjuvant chemotherapy. Several observational studies suggested that the anti-tumor effect of aspirin. Therefore, we planned a randomized double-blind placebo-controlled phase III trial, which commenced in Japan in March 2018, to confirm the superiority of aspirin over placebo added to adjuvant chemotherapy in terms of disease-free survival (DFS) for stage III colorectal cancer patients after curative resection. A total of 880 patients will be accrued from 20 Japanese institutions within 3 years. The primary endpoint is DFS and the secondary endpoints are overall survival, relapse-free survival, relative dose intensity, adverse events, and serious adverse events. This trial has been registered at Japan Registry of Clinical Trials as jRCTs031180009 (https://jrct.niph.go.jp/detail/589).


2018 ◽  
Vol 36 (4_suppl) ◽  
pp. 788-788
Author(s):  
Mamiko Imanishi ◽  
Yoshiyuki Yamamoto ◽  
Yukako Hamano ◽  
Takeshi Yamada ◽  
Toshikazu Moriwaki ◽  
...  

788 Background: A number of retrospective studies reported that 5-year survival rate was 30-60% in patients who underwent curative resection of pulmonary metastases (PM) from colorectal cancer (CRC), and PM-CRC resection was recommended in clinical practice. Efficacy of adjuvant chemotherapy after resection of PM remains unclear. Therefore, using a large-scale data obtained from patients who underwent R0 resection of PM in Japan, we investigated it with a propensity score-matching analysis. Methods: We retrospectively collected clinical data of 1237 patients who underwent metastasectomy of PM-CRC at 46 Japanese institutions from 2004 to 2008. Excluding non-curative resection, preoperative chemotherapies, extra-thoratic metastases, complications after surgery, and inadequate data, 530 patients’ data (surgery alone 269 and surgery with adjuvant chemotherapy 261) were used for the matching. Patient backgrounds affecting doctor’s recommendation of adjuvant chemotherapy and including commonly reported prognostic factors were adjusted, using a propensity score-matching method. Primary and secondary endpoints were overall survival (OS) and disease-free survival (DFS), respectively. Results: After the matching with propensity-score, 167 patients for each group were selected. Patient backgrounds were balanced between both groups. Adjuvant chemotherapies were fluorouracil alone (67%), oxaliplatine-containing regimen (24%), irinotecan-containing regimen (7%) and others (2%). There were no significant differences between both groups in OS (HR 0.97, 95%CI 0.64-1.46, p = 0.88) and DFS (HR 0.99, 95%CI 0.75-1.32, p = 0.96). Conclusions: A propensity score-matching analysis did not show a survival benefit of adjuvant chemotherapy after resection of PM in patients with CRC. A large prospective observational study with high quality or randomized clinical trial is needed.


2019 ◽  
Vol 37 (15_suppl) ◽  
pp. TPS3623-TPS3623
Author(s):  
Atsuo Takashima ◽  
Kenichi Miyamoto ◽  
Yuya Sato ◽  
Natsuko Okita ◽  
Manabu Shiozawa ◽  
...  

TPS3623 Background: Adjuvant chemotherapy is the current standard treatment for stage III colorectal cancer after curative resection. However, the prognosis of stage III colorectal cancer is still poor even after curative resection and adjuvant chemotherapy. Recently, several observational studies suggested the anti-tumor effect of aspirin for advanced colorectal cancer. The main mechanism of the anti-tumor effect by aspirin may be to suppress cyclooxygenase activity in the arachidonic acid cascade and to inhibit the production of prostaglandins involved in tumor growth. So far, aspirin showed a prolongation of survival for colorectal cancer in several retrospective studies. However, in these studies, aspirin was given not to be evaluated the effect on prognosis of colorectal cancer in adjuvant setting but to prevent cardiovascular event. In addition, baseline patient characteristics were imbalanced between aspirin group and non-aspirin group and both dosage amount and dosing period of aspirin were different among patients. Methods: We planned a randomized double-blind placebo-controlled phase III trial commenced in Japan in March 2018 to confirm the superiority of aspirin in terms of disease-free survival (DFS) over placebo for stage III colorectal cancer patients after curative resection. Patients receive aspirin (100 mg/day) or placebo for 3 years with the standard adjuvant chemotherapy of mFOLFOX6, CAPOX or capecitabine until relapse or unacceptable toxicities. The primary endpoint is DFS and the secondary endpoints are overall survival, relapse-free survival, relative dose intensity, adverse events, and serious adverse events. We assumed the 3-year DFS of aspirin arm as 74% based on two previous trials conducted by JCOG and expected a 6% increase in the 3-year DFS with aspirin adding to standard adjuvant chemotherapy after curative surgery. A total of 880 patients will be accrued from 20 Japanese institutions within 3 years, and 47 patients were enrolled as of Jan 31, 2019. Both aspirin and placebo are provided by Bayer Yakuhin Ltd. This trial has been registered at Japan Registry of Clinical Trials as jRCTs031180009 (https://jrct.niph.go.jp/detail/589). Clinical trial information: jRCTs031180009.


2022 ◽  
Vol 2 (1) ◽  
pp. 64-70
Author(s):  
MASAYA SATAKE ◽  
KAZUHIKO YOSHIMATSU ◽  
MASANO SAGAWA ◽  
HAIJIME YOKOMIZO ◽  
SHUNICHI SHIOZAWA

Background/Aim: We investigated the clinical efficacy of inflammation-based indexes in predicting unfavourable relapse-free survival (RFS) in patients with stage II/III colorectal cancer (CRC) receiving oxaliplatin-based adjuvant chemotherapy. Patients and Methods: A retrospective analysis was performed on 45 patients who underwent curative resection for stage II/III CRC followed by oxaliplatin-based adjuvant chemotherapy after 8 weeks. Upon adjuvant chemotherapy initiation, all patients were evaluated for lymphocyte count (LC), neutrophil/lymphocyte ratio (NLR), lymphocyte/monocyte ratio (LMR), platelet/lymphocyte ratio (PLR), modified Glasgow Prognostic Score (mGPS) and prognostic nutritional index (PNI), after which their correlation with relapse was analysed. Results: Univariate analysis identified LC <1,350/mm3, NLR ≥2.03, LMR <5.15, PLR ≥209, mGPS 2, and early discontinuation of chemotherapy within two months as significant risk factors for RFS. Multivariate analysis identified LMR <5.15, PLR > 209 and mGPS 2 as significant independent risk factors for unfavourable RFS. Conclusion: Measurement of LMR, PLR, and mGPS upon adjuvant therapy initiation can be a useful tool for predicting recurrence after curative surgery for stage II/III CRC.


BMC Surgery ◽  
2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Kiichi Sugimoto ◽  
Kazuhiro Sakamoto ◽  
Yuki Ii ◽  
Kota Amemiya ◽  
Hiroyuki Sugo ◽  
...  

Abstract Background Expansion of the indication for liver resection and new regimens for systemic chemotherapy have improved postoperative outcomes for synchronous colorectal liver metastases (CRLM). However, such cases can still have a high recurrence rate, even after curative resection. Therefore, there is a need for postoperative adjuvant chemotherapy (POAC) after liver resection in patients with CRLM. There are few studies of the efficacy of POAC with an oxaliplatin-based regimen after simultaneous resection for colorectal cancer and CRLM with curative intent. The goal of the study was to compare POAC with oxaliplatin-based and fluoropyrimidine regimens using propensity score (PS) matching analysis. Methods The subjects were 94 patients who received POAC after simultaneous resection for colorectal cancer and synchronous CRLM, and were enrolled retrospectively. The patients were placed in a L-OHP (+) group (POAC with an oxaliplatin-based regimen, n = 47) and a L-OHP (−) group (POAC with a fluoropyrimidine regimen, n = 47). Recurrence-free (RFS), cancer-specific (CSS), unresectable recurrence-free (URRFS), remnant liver recurrence-free (RLRFS), and extrahepatic recurrence-free (EHRFS) survival were analyzed. Results Before PS matching, the L-OHP (+) and (−) groups had no significant differences in RFS, CSS, URRFS, RLRFS, and EHRFS. Univariate analysis indicated significant differences in age, preoperative serum CEA (≤ 30.0 ng/mL/ > 30.0 ng/mL), differentiation of primary tumor (differentiated/undifferentiated), T classification (T1–3/T4), number of hepatic lesions and maximum diameter of the hepatic lesion between the L-OHP (+) and (−) groups. After PS matching using these confounders, RFS was significantly better among patients in the L-OHP (+) group compared with the L-OHP (−) group (HR 0.40, 95% CI 0.17–0.96, p = 0.04). In addition, there was a trend towards better RLRFS among patients in the L-OHP (+) group compared with the L-OHP (−) group (HR 0.42, 95% CI 0.17–1.02, p = 0.055). However, there were no significant differences in CSS, URRFS and EHRFS between the L-OHP (+) and (−) groups. Conclusions PS matching analysis demonstrated the efficacy of POAC with an oxaliplatin-based regimen in RFS and RLRFS.


Oncology ◽  
2011 ◽  
Vol 80 (1-2) ◽  
pp. 84-91 ◽  
Author(s):  
Hiroaki Nozawa ◽  
Joji Kitayama ◽  
Eiji Sunami ◽  
Shinsuke Saito ◽  
Takamitsu Kanazawa ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document