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Huang J, Zhou J, Zhang P, Wu Q, Wang Z. Primary tumor resection for asymptomatic colorectal cancer patients with synchronous unresectable metastases: a meta-analysis of randomized controlled trials and case-matched studies. Langenbecks Arch Surg 2024; 409:242. [PMID: 39105876 PMCID: PMC11303460 DOI: 10.1007/s00423-024-03414-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Accepted: 07/08/2024] [Indexed: 08/07/2024]
Abstract
PURPOSE The value of upfront primary tumor resection (PTR) for asymptomatic unresectable metastatic colorectal cancer (mCRC) patients remains contentious. This meta-analysis aimed to assess the prognostic significance of upfront PTR for asymptomatic unresectable mCRC. METHODS A systematic literature search was performed on June 21st, 2024. To minimize the bias and ensure robust evidence, only randomized controlled trials (RCTs) and case-matched studies (CMS) that compared PTR followed by chemotherapy to chemotherapy alone were included. The primary outcome was overall survival (OS), while cancer-specific survival (CSS) served as the secondary outcome. RESULTS Eight studies (three RCTs and five CMS) involving 1221 patients were included. Compared to chemotherapy alone, upfront PTR followed by chemotherapy did not improve OS (hazard ratios [HR] 0.91, 95% confidence interval [CI] 0.79-1.04, P = 0.17), but was associated with slightly better CSS (HR 0.59, 95% CI 0.40-0.88, P = 0.009). CONCLUSIONS The current limited evidence indicates that upfront PTR does not improve OS but may enhance CSS in asymptomatic unresectable mCRC patients. Ongoing trials are expected to provide more reliable evidence on this issue.
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Affiliation(s)
- Jun Huang
- Colorectal Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, 610041, China
- West China Medical School, Sichuan University, Chengdu, 610041, China
| | - Jiahao Zhou
- Colorectal Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, 610041, China
- West China Medical School, Sichuan University, Chengdu, 610041, China
| | - Ping Zhang
- Emergency Medicine Department of West China Hospital, Sichuan University, Chengdu, 610041, China
- West China Medical School, Sichuan University, Chengdu, 610041, China
| | - Qingbin Wu
- Colorectal Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, 610041, China
| | - Ziqiang Wang
- Colorectal Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, 610041, China.
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2
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Yu G, Liu S, Wang Z, Liu Q, Ren H, Hu W. Palliative primary tumor resection may not offer survival benefits for patients with unresectable metastatic colorectal neuroendocrine neoplasms, one multicenter retrospective cohort study. BMC Surg 2024; 24:85. [PMID: 38475759 DOI: 10.1186/s12893-024-02380-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 03/04/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND The efficacy of palliative primary tumor resection (PTR) in improving prognosis for patients with unresectable metastatic colorectal neuroendocrine neoplasms (NENs) has not been fully explored. METHODS We performed one retrospective cohort study and recruited 68 patients with unresectable metastatic colorectal NENs from two Chinese medical centers between 2000 and 2022. All patients were assigned to PTR group and no PTR group. The clinicopathological manifestation data were carefully collected, and the survival outcomes were compared between the two groups using Kaplan-Meier methods. Propensity score matching (PSM) was conducted to minimize confounding bias. Univariate and multivariate Cox proportional hazards regression analyses were performed to identify prognostic factors. RESULTS A total of 32 patients received PTR, and the other 36 patients did not. The median progression-free survival (PFS) and overall survival (OS) times were 4 and 22 months in the whole cohort, respectively. For patients who received no PTR, the median OS was 16 months, and the 1-year OS rate and 3-year OS rate were 56.4% and 39.6%, respectively. For patients who received PTR, the median OS was 24 months, and the 1-year OS rate and 3-year OS rate were 67.9% and 34.1%, respectively. However, the Kaplan-Meier survival curves and log-rank test demonstrated no significant survival difference between the two groups (P = 0.963). Moreover, palliative PTR was also not confirmed as a prognostic factor in subsequent univariable and multivariable Cox proportional hazards regression analyses in both the original and matched cohorts. Only histological differentiation was identified as an independent prognostic factor affecting PFS [hazard ratio (HR) = 1.86, 95% confidence interval (CI): 1.02-3.41, P = 0.043] and OS [HR = 3.70, 95% CI: 1.09-12.48, P = 0.035] in the original cohort. CONCLUSIONS Palliative PTR may not offer survival benefits for patients with unresectable metastatic colorectal NENs.
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Affiliation(s)
- Guozhi Yu
- Department of Colorectal and Anal Surgery, Beijing Erlonglu Hospital, Beijing, 100016, China
| | - Shen Liu
- Department of Colorectal Surgery, National Clinical Research Center for Cancer/Cancer Hospital, National Cancer Center, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 17, Panjiayuan Nanli, Chaoyang District, Beijing, 100021, China
| | - Zhijie Wang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Gastrointestinal Cancer Center, Peking University Cancer Hospital & Institute, Beijing, 100142, China
| | - Qian Liu
- Department of Colorectal Surgery, National Clinical Research Center for Cancer/Cancer Hospital, National Cancer Center, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 17, Panjiayuan Nanli, Chaoyang District, Beijing, 100021, China
| | - Hongchang Ren
- Department of General Surgery, Strategic Support Force Medical Center, No.9, Anxiang North, Desheng Gate, Chaoyang District, Beijing, 100101, China.
| | - Wenhui Hu
- Department of Colorectal Surgery, National Clinical Research Center for Cancer/Cancer Hospital, National Cancer Center, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 17, Panjiayuan Nanli, Chaoyang District, Beijing, 100021, China.
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Inci K, Nilsson B, Lindskog S, Giglio D. Palliative resection of the primary tumour improves survival in incurable metastatic colorectal cancer. ANZ J Surg 2023; 93:2680-2685. [PMID: 37489624 DOI: 10.1111/ans.18629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 06/16/2023] [Accepted: 07/16/2023] [Indexed: 07/26/2023]
Abstract
BACKGROUND Studies show conflicting results on whether primary tumour resection (PTR) in metastatic colorectal cancer (mCRC) prolongs survival. The aim of this study was to analyse prognostic factors and the effects of PTR on overall survival (OS) in mCRC patients. METHODS In this population-based cohort study, factors associated with PTR and OS were assessed in 188 mCRC patients with mCRC treated with palliative chemotherapy between 2008 and 2019. The Chi-square test and Mann-Whitney U-test were used to assess factors associated with PTR. The log-rank test was used to compare Kaplan-Meier estimates for OS. Cox regression was used to identify factors predicting OS. RESULTS Patients undergoing PTR had significantly better performance status, fewer metastatic sites, lower CEA levels, and more often had left-sided CRC than patients not undergoing PTR. OS was longer in palliative mCRC patients undergoing PTR (P < 0.01) and PTR was an independent variable in the Cox regression analysis (P < 0.05). Median OS was 22.9 ± 1.9 months for the PTR group and 14.5 ± 1.5 months for the non-operated group. Poor performance status and liver metastases were significantly associated with poor prognosis. CONCLUSION This study shows that PTR had a positive effect on OS and may be considered in patients suitable for surgery. PTR was offered to palliative mCRC patients with prognostic factors associated with better prognosis.
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Affiliation(s)
- Kamuran Inci
- Department of Surgery, Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
- Department of Surgery, Region Halland, Varberg, Sweden
| | - Bengt Nilsson
- Department of Surgery, Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
- Department of Surgery, Region Halland, Varberg, Sweden
| | - Stefan Lindskog
- Department of Surgery, Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
- Department of Surgery, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Daniel Giglio
- Department of Oncology, Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
- Department of Oncology, Sahlgrenska University Hospital, Gothenburg, Sweden
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Shin JE, An HJ, Shim BY, Kim H, Park HS, Cho HM, Kye BH, Yoo RN, Moon JY, Kim SH, Lee J, Lee HC, Jung JH, Lee KM, Lee JM. Clinical Outcomes of Upfront Primary Tumor Resection in Synchronous Unresectable Metastatic Colorectal Cancer. Cancers (Basel) 2023; 15:5057. [PMID: 37894424 PMCID: PMC10605032 DOI: 10.3390/cancers15205057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/01/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
The role of upfront primary tumor resection (PTR) in patients with unresectable metastatic colorectal cancer without severe symptoms remains controversial. We retrospectively analyzed the role of PTR in overall survival (OS) in this population. Among the 205 patients who enrolled, the PTR group (n = 42) showed better performance (p = 0.061), had higher frequencies of right-sided origin (p = 0.058), the T4 stage (p = 0.003), the M1a stage (p = 0.012), and <2 organ metastases (p = 0.002), and received fewer targeted agents (p = 0.011) than the chemotherapy group (n = 163). The PTR group showed a trend for longer OS (20.5 versus 16.0 months, p = 0.064) but was not related to OS in Cox regression multivariate analysis (p = 0.220). The male sex (p = 0.061), a good performance status (p = 0.078), the T3 stage (p = 0.060), the M1a stage (p = 0.042), <2 organ metastases (p = 0.035), an RAS wild tumor (p = 0.054), and the administration of targeted agents (p = 0.037), especially bevacizumab (p = 0.067), seemed to be related to PTR benefits. Upfront PTR could be considered beneficial in some subgroups, but these findings require larger studies to verify.
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Affiliation(s)
- Ji Eun Shin
- Division of Oncology, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (J.E.S.); (B.Y.S.); (H.K.); (H.S.P.)
| | - Ho Jung An
- Division of Oncology, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (J.E.S.); (B.Y.S.); (H.K.); (H.S.P.)
| | - Byoung Yong Shim
- Division of Oncology, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (J.E.S.); (B.Y.S.); (H.K.); (H.S.P.)
| | - Hyunho Kim
- Division of Oncology, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (J.E.S.); (B.Y.S.); (H.K.); (H.S.P.)
| | - Hyung Soon Park
- Division of Oncology, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (J.E.S.); (B.Y.S.); (H.K.); (H.S.P.)
| | - Hyeon-Min Cho
- Department of Surgery, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (H.-M.C.); (B.-H.K.); (R.N.Y.); (J.-Y.M.)
| | - Bong-Hyeon Kye
- Department of Surgery, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (H.-M.C.); (B.-H.K.); (R.N.Y.); (J.-Y.M.)
| | - Ri Na Yoo
- Department of Surgery, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (H.-M.C.); (B.-H.K.); (R.N.Y.); (J.-Y.M.)
| | - Ji-Yeon Moon
- Department of Surgery, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (H.-M.C.); (B.-H.K.); (R.N.Y.); (J.-Y.M.)
| | - Sung Hwan Kim
- Department of Radiation Oncology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (S.H.K.); (J.L.); (H.C.L.)
| | - Jonghoon Lee
- Department of Radiation Oncology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (S.H.K.); (J.L.); (H.C.L.)
| | - Hyo Chun Lee
- Department of Radiation Oncology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (S.H.K.); (J.L.); (H.C.L.)
| | - Ji-Han Jung
- Department of Hospital Pathology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea;
| | - Kang-Moon Lee
- Division of Gastroenterology, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (K.-M.L.); (J.M.L.)
| | - Ji Min Lee
- Division of Gastroenterology, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Republic of Korea; (K.-M.L.); (J.M.L.)
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Li S, Ji L, Huang J, Wang Y, Liu P, Zhang W, Lou Z. The impact of primary tumor resection for asymptomatic colorectal cancer patients with unresectable metastases: a systematic review and meta-analysis. Int J Colorectal Dis 2023; 38:214. [PMID: 37581775 DOI: 10.1007/s00384-023-04500-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/29/2023] [Indexed: 08/16/2023]
Abstract
BACKGROUND Whether patients with asymptomatic primary tumors and unresectable metastases of colorectal cancer (CRC) should undergo primary tumor resection (PTR) remains controversial. This study aims to determine the appropriateness of PTR for these individuals by evaluating a number of outcome measures. METHODS A systematic literature search was performed. Outcome measures included overall survival, emergency surgery rates, incidence of postoperative complications, time to initiate chemotherapy, conversion rates, and chemotherapy-related toxicities. RESULTS Patients who received PTR in addition to chemotherapy had a better overall survival rate than those who only received chemotherapy (HR = 0.62, 95%CI, 0.50-0.78, I2 = 84%, p < 0.00001). In the RCT subgroup, there were no significant differences with a HR of 0.72 (95%CI, 0.45-1.13, I2 = 17%, p = 0.15). More patients in the chemotherapy alone group could be converted to resectable status (OR = 0.47, 95%CI, 0.27-0.82, I2 = 0%, p = 0.008), but the incidence of emergency surgery was 23% (95%CI, 17-29%, I2 = 14%). The risk of chemotherapy-related toxicity was not significantly higher in the PTR group (OR = 1.5, 95%CI, 0.94-2.43, p = 0.09, I2 = 0%), with a 7% incidence of postoperative complications (95%CI, 0-14%, p = 0.05, I2 = 0%). The time to initiate chemotherapy after PTR was approximately 33.06 days (95%CI, 25.55-40.58, I2 = 0%). CONCLUSION PTR plus chemotherapy may be associated with improved survival in asymptomatic CRC patients with unresectable metastases. However, PTR did not provide a significant survival benefit in the subgroup of RCTs. Additionally, PTR did not result in a significantly increased risk of chemotherapy-related toxicity, with a postoperative complication rate of approximately 7%, and chemotherapy could be initiated at approximately 33.06 days after PTR. Compared with the PTR plus chemotherapy, chemotherapy alone could result in a significantly higher conversion rate. However, about 23% of patients receiving chemotherapy alone required emergency surgery for primary tumor-related symptoms. The above results needed to be validated in future larger prospective randomized trials.
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Affiliation(s)
- Shuyuan Li
- Department of Colorectal Surgery, the first affiliated Hospital of Naval Medical University, 168 Changhai Road, Yangpu District, Shanghai, China
| | - Liqiang Ji
- Department of Colorectal Surgery, the first affiliated Hospital of Naval Medical University, 168 Changhai Road, Yangpu District, Shanghai, China
| | - Jie Huang
- The first affiliated Hospital of Naval Medical University, Shanghai, China
| | - Ye Wang
- Department of Colorectal Surgery, the first affiliated Hospital of Naval Medical University, 168 Changhai Road, Yangpu District, Shanghai, China
| | - Peng Liu
- Department of Colorectal Surgery, the first affiliated Hospital of Naval Medical University, 168 Changhai Road, Yangpu District, Shanghai, China
| | - Wei Zhang
- Department of Colorectal Surgery, the first affiliated Hospital of Naval Medical University, 168 Changhai Road, Yangpu District, Shanghai, China
| | - Zheng Lou
- Department of Colorectal Surgery, the first affiliated Hospital of Naval Medical University, 168 Changhai Road, Yangpu District, Shanghai, China.
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6
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Zhang C, Cao C, Liu L, Lv Y, Li J, Lu J, Wang S, Du B, Yang X. Effect of primary tumor resection on survival in patients with asymptomatic unresectable metastatic colorectal cancer: a systematic review and meta-analysis. Expert Rev Anticancer Ther 2023; 23:107-115. [PMID: 36397266 DOI: 10.1080/14737140.2023.2149497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
OBJECTIVE It remains controversial whether primary tumor resection (PTR) improves survival in patients with asymptomatic, unresectable metastatic colorectal cancer (mCRC). Therefore, we conducted a meta-analysis to assess the latest evidence on clinical outcomes. MATERIALS AND METHODS We systematically searched PubMed, Web of Science, Cochrane Library, and Embase databases for eligible studies published between database inception and May 2022. RevMan 5.4 and Stata 16.0 were used for the meta-analysis. RESULTS A total of nine studies were included, including four randomized controlled trials (RCTs) and five retrospective cohort studies. Meta-analysis showed that overall survival (OS) [HR = 0.89, 95%CI (0.74, 1.06), P = 0.19] and progression-free survival (PFS) [HR = 0.87, 95%CI (0.71, 1.06), P = 0.17] were not significantly different between the PTR and non-PTR groups. In the subgroup analysis, all subgroups showed no significant difference in OS between the two groups. CONCLUSION PTR may not provide additional survival benefits over chemotherapy in asymptomatic, unresectable mCRC patients. However, in view of the limitations of this study, more well-designed RCTs are needed to validate our conclusions.
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Affiliation(s)
- Chengren Zhang
- Clinical Medical College of Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.,Department of Anorectal Surgery, Gansu Provincial Hospital, Lanzhou, Gansu province, China.,Anorectal Disease Research Center, Gansu Provincial People's Hospital, Lanzhou, Gansu province, China
| | - Cong Cao
- Clinical Medical College of Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.,Department of Anorectal Surgery, Gansu Provincial Hospital, Lanzhou, Gansu province, China.,Anorectal Disease Research Center, Gansu Provincial People's Hospital, Lanzhou, Gansu province, China
| | - Lili Liu
- Department of First Clinical Medical College of Gansu University of Chinese Medicine, Lanzhou, Gansu province, China
| | - Yaochun Lv
- Department of Anorectal Surgery, Gansu Provincial Hospital, Lanzhou, Gansu province, China.,Anorectal Disease Research Center, Gansu Provincial People's Hospital, Lanzhou, Gansu province, China
| | - Jingjing Li
- Clinical Medical College of Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.,Department of Anorectal Surgery, Gansu Provincial Hospital, Lanzhou, Gansu province, China.,Anorectal Disease Research Center, Gansu Provincial People's Hospital, Lanzhou, Gansu province, China
| | - Jiyong Lu
- Department of Anorectal Surgery, Gansu Provincial Hospital, Lanzhou, Gansu province, China.,Anorectal Disease Research Center, Gansu Provincial People's Hospital, Lanzhou, Gansu province, China.,Department of First Clinical Medical College of Gansu University of Chinese Medicine, Lanzhou, Gansu province, China
| | - Shuai Wang
- Department of Anorectal Surgery, Gansu Provincial Hospital, Lanzhou, Gansu province, China.,Anorectal Disease Research Center, Gansu Provincial People's Hospital, Lanzhou, Gansu province, China.,Department of First Clinical Medical College of Gansu University of Chinese Medicine, Lanzhou, Gansu province, China
| | - Binbin Du
- Department of Anorectal Surgery, Gansu Provincial Hospital, Lanzhou, Gansu province, China.,Anorectal Disease Research Center, Gansu Provincial People's Hospital, Lanzhou, Gansu province, China
| | - Xiongfei Yang
- Department of Anorectal Surgery, Gansu Provincial Hospital, Lanzhou, Gansu province, China.,Anorectal Disease Research Center, Gansu Provincial People's Hospital, Lanzhou, Gansu province, China
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Shu Y, Xu L, Yang W, Xu X, Zheng S. Asymptomatic Primary Tumor Resection in Metastatic Colorectal Cancer: A Systematic Review and Meta-Analysis. Front Oncol 2022; 12:836404. [PMID: 35425714 PMCID: PMC9001954 DOI: 10.3389/fonc.2022.836404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 03/07/2022] [Indexed: 11/18/2022] Open
Abstract
Background In patients with metastatic colorectal cancer (mCRC) with an asymptomatic primary tumor, there is no consensus on the indication for resection of the primary tumor. Methods The PubMed, Embase and the Cochrane Library databases were searched from inception to November 30,2021. A meta-analysis was performed using RevMan (version 5.3.3; The Cochrane Collaboration) on the outcome of mCRC patients with or without resection of the primary tumor in 8 selected studies. Results This meta-analysis included 2805 colorectal cancer patients with an asymptomatic primary tumor from 8 selected studies. Primary tumor resection (PTR) patients had longer overall survival (OS: MD =6.76 [3.39, 10.12], I2 = 77%, P < 0.0001), compared with non-primary tumor resection (NPTR) patients. In the subgroup, the randomized controlled trials (RCT) PTR group didn’t have longer overall survival (OS: MD =3.79 [-3.49, 11.08], I2 = 69%, P= 0.31); the Non-RCT PTR group had longer overall survival (OS: MD =8.42 [3.14, 13.70], I2 = 89%, P= 0.002). In the meanwhile, compared with NPTR group, the 2-year overall survival rate, the 3-year overall survival rate, 5-year overall survival rate in the PTR group is higher (OR=2.35 [1.74, 3.18], I2 = 0%, P < 0.00001; OR=3.61 [2.35, 5.54], I2 = 0%, P < 0.00001; OR=3.02 [1.72, 5.33], I2 = 48%, P= 0.0001, respectively). Conclusions Our results from studies demonstrate that the resection of primary tumor is a prognostic factor for survival in mCRC patients. However, 2 RCTs showed the resection of primary tumor was not related with a significant survival benefit in subgroup. Therefore, a larger RCT in the era of modern chemotherapy and liver resection techniques would be helpful.
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Affiliation(s)
- Yefei Shu
- Department of Medical Oncology, Hangzhou Cancer Hospital, Hangzhou, China
| | - Ling Xu
- Department of Oncology and Hematology, Hangzhou Red Cross Hospital, Hangzhou, China
| | - Wei Yang
- Department of Oncology and Hematology, Hangzhou Red Cross Hospital, Hangzhou, China
| | - Xiaofeng Xu
- Department of Oncology and Hematology, Hangzhou Red Cross Hospital, Hangzhou, China
| | - Song Zheng
- Department of Medical Oncology, Hangzhou Cancer Hospital, Hangzhou, China.,Department of Medical Oncology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
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8
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Huang L, Wei G, Chen N, Liu J, Wang Z, Yu Y, Qiu M. Impact of Upfront Chemotherapy on the Effect of Primary Tumour Resection for Asymptomatic Synchronous Colorectal Cancer With Unresectable Metastases: A Propensity-Score-Matched Cohort Analysis. Clin Med Insights Oncol 2022; 16:11795549221085054. [PMID: 35355515 PMCID: PMC8958687 DOI: 10.1177/11795549221085054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 02/05/2022] [Indexed: 02/05/2023] Open
Abstract
Background: It is controversial whether primary tumour resection (PTR) and the sequencing of chemotherapy and PTR are associated with the survival of patients with incurable stage IV colorectal cancer. This study aimed to explore the effects of PTR and the sequencing of chemotherapy and PTR on asymptomatic colorectal cancer with synchronous unresectable metastases (asmCRC). Patients and Methods: Patients with asmCRC were retrospectively identified from a single centre and categorised into 3 groups: PTR followed by chemotherapy (POC), upfront chemotherapy followed by PTR (UFC), and palliative chemotherapy (PC). The primary end points included median overall survival (OS) and progression-free survival (PFS). Clinical features were analysed using χ2 test, while survival curves were generated using the Kaplan-Meier test. Propensity-score matching (PSM) was performed when comparing survival between POC and UFC groups. Results: From 2008 to 2014, 255 patients were identified and included into the POC (n = 101), UFC (n = 40), and PC (n = 114) groups. The UFC and POC groups had significantly better median OS compared with the PC group (40.7 vs 16.3 months, P < .0001; 39.7 vs 16.3 months, P < .0001). Before PSM, the UFC group had better median PFS than the POC and PC groups (18.5 vs 9.7 months, P = .038; 18.5 vs 6.1 months, P < .0001). After PSM, UFC has better PFS than POC (P = .038). And the UFC group did not have higher postoperative or preoperative morbidity compared with the POC group (P = .235). Conclusions: Primary tumour resection could improve the survival of patients with asmCRC. Compared with POC or PC, UFC was associated with a better median PFS without significantly increasing preoperative or postoperative morbidity.
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Affiliation(s)
- Lin Huang
- Lung Cancer Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Guixia Wei
- Department of Abdominal Cancer, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Nan Chen
- Department of Thoracic Surgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Jiewei Liu
- Lung Cancer Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Ziqiang Wang
- Department of Gastrointestinal Surgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Yongyang Yu
- Department of Gastrointestinal Surgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Meng Qiu
- Department of Abdominal Cancer, West China Hospital of Sichuan University, Chengdu, Sichuan, China
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9
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Liang Z, Liu Z, Huang C, Chen X, Zhang Z, Xiang M, Hu W, Wang J, Feng X, Yao X. The role of upfront primary tumor resection in asymptomatic patients with unresectable stage IV colorectal cancer: A systematic review and meta-analysis. Front Surg 2022; 9:1047373. [PMID: 36684350 PMCID: PMC9857770 DOI: 10.3389/fsurg.2022.1047373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 12/01/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Controversy exists over the role of upfront primary tumor resection (PTR) in asymptomatic patients with unresectable stage IV colorectal cancer (CRC). The purpose of this study was to evaluate the effect of upfront PTR on survival outcomes and adverse outcomes. METHODS Searches were conducted on PubMed, EMBASE, Web of Science, and Cochrane Library from inception to August 2021. Studies comparing survival outcomes with or without adverse outcomes between PTR and non-PTR treatments were included. Review Manager 5.3 was applied for meta-analyses with a random-effects model whenever possible. RESULTS Overall, 20 studies with 3,088 patients were finally included in this systematic review. Compared with non-PTR, upfront PTR was associated with better 3-year (HR: 0.69, 95% CI, 0.57-0.83, P = 0.0001) and 5-year overall survival (OS) (HR: 0.77, 95% CI, 0.62-0.95, P = 0.01), while subgroup analysis indicated that there was no significant difference between upfront PTR and upfront chemotherapy (CT) group. In addition, grade 3 or higher adverse effects due to CT were more frequent in the PTR group with marginal significance (OR: 1.74, 95% CI, 0.99-3.06, P = 0.05), and other adverse outcomes were comparable. CONCLUSIONS PTR might be related to improved OS for asymptomatic patients with unresectable stage IV CRC, whereas receiving upfront CT is a rational alternative without detrimental influence on survival or adverse outcomes compared with upfront PTR. SYSTEMATIC REVIEW REGISTRATION https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=272675.
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Affiliation(s)
- Zongyu Liang
- Department of Gastrointestinal Surgery, Second Department of General Surgery, The Sixth Affiliated Hospital, School of Medicine, South China University of Technology, Foshan, China
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Shantou University Medical College, Shantou, China
- Guangdong Provincial People’s Hospital Ganzhou Hospital (Ganzhou Municipal Hospital), Ganzhou, China
| | - Zhiyuan Liu
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Shantou University Medical College, Shantou, China
- Guangdong Provincial People’s Hospital Ganzhou Hospital (Ganzhou Municipal Hospital), Ganzhou, China
| | - Chengzhi Huang
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Guangdong Provincial People’s Hospital Ganzhou Hospital (Ganzhou Municipal Hospital), Ganzhou, China
- School of Medicine, South China University of Technology, Guangzhou, China
| | - Xin Chen
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Shantou University Medical College, Shantou, China
- Guangdong Provincial People’s Hospital Ganzhou Hospital (Ganzhou Municipal Hospital), Ganzhou, China
| | - Zhaojun Zhang
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Guangdong Provincial People’s Hospital Ganzhou Hospital (Ganzhou Municipal Hospital), Ganzhou, China
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
| | - Meijuan Xiang
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Guangdong Provincial People’s Hospital Ganzhou Hospital (Ganzhou Municipal Hospital), Ganzhou, China
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
| | - Weixian Hu
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Junjiang Wang
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Shantou University Medical College, Shantou, China
- School of Medicine, South China University of Technology, Guangzhou, China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Xingyu Feng
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Correspondence: Xingyu Feng ; Xueqing Yao
| | - Xueqing Yao
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Shantou University Medical College, Shantou, China
- Guangdong Provincial People’s Hospital Ganzhou Hospital (Ganzhou Municipal Hospital), Ganzhou, China
- School of Medicine, South China University of Technology, Guangzhou, China
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
- Correspondence: Xingyu Feng ; Xueqing Yao
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Doah KY, Shin US, Jeon BH, Cho SS, Moon SM. The Impact of Primary Tumor Resection on Survival in Asymptomatic Colorectal Cancer Patients With Unresectable Metastases. Ann Coloproctol 2021; 37:94-100. [PMID: 33979907 PMCID: PMC8134925 DOI: 10.3393/ac.2020.09.15.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 09/15/2020] [Indexed: 12/16/2022] Open
Abstract
Purpose This study was conducted to evaluate the effectiveness of primary tumor resection (PTR) in asymptomatic colorectal cancer (CRC) patients with unresectable metastases using the inverse probability of treatment weighting (IPTW) method to minimize selection bias. Methods We selected 146 patients diagnosed with stage IV CRC with unresectable metastasis between 2001 and 2018 from our institutional database. In a multivariate logistic regression model using the patients’ baseline covariates associated with PTR, we applied the IPTW method based on a propensity score and performed a weighted Cox proportional regression analysis to estimate survival according to PTR. Results Upfront PTR was performed in 98 patients, and no significant differences in baseline factors were detected. The upweighted median survival of the PTR group was 18 months and that of the non-PTR group was 15 months (P = 0.15). After applying the IPTW, the PTR was still insignificant in the univariate Cox regression (hazard ratio [HR], 0.26; 95% confidence interval [CI], 0.5–1.21). However, in the multivariate weighted Cox regression with adjustment for other covariates, the PTR showed a significantly decreased risk of cancer-related death (HR, 0.61; 95% CI, 0.40–0.94). Conclusion In this study, we showed that asymptomatic CRC patients with unresectable metastases could gain a survival benefit from upfront PTR by analysis with the IPTW method. However, randomized controlled trials are mandatory.
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Affiliation(s)
- Ki Yoon Doah
- Department of Surgery, Korea Institute of Radiological & Medical Sciences, Korea Cancer Center Hospital, Seoul, Korea
| | - Ui Sup Shin
- Department of Surgery, Korea Institute of Radiological & Medical Sciences, Korea Cancer Center Hospital, Seoul, Korea
| | - Byong Ho Jeon
- Department of Surgery, Korea Institute of Radiological & Medical Sciences, Korea Cancer Center Hospital, Seoul, Korea
| | - Sang Sik Cho
- Department of Surgery, Korea Institute of Radiological & Medical Sciences, Korea Cancer Center Hospital, Seoul, Korea
| | - Sun Mi Moon
- Department of Surgery, Korea Institute of Radiological & Medical Sciences, Korea Cancer Center Hospital, Seoul, Korea
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11
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Valdimarsson VT, Syk I, Lindell G, Sandström P, Isaksson B, Rizell M, Norén A, Ardnor B, Sturesson C. Outcomes of Simultaneous Resections and Classical Strategy for Synchronous Colorectal Liver Metastases in Sweden: A Nationwide Study with Special Reference to Major Liver Resections. World J Surg 2021; 44:2409-2417. [PMID: 32185455 PMCID: PMC7266839 DOI: 10.1007/s00268-020-05475-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Background About 20% of patients with colorectal cancer have liver metastases at the time of diagnosis, and surgical resection offers a chance for cure. The aim of the present study was to compare outcomes for patients that underwent simultaneous resection to those that underwent a staged procedure with the bowel-first (classical) strategy by using information from two national registries in Sweden. Methods In this prospectively registered cohort study, we analyzed clinical, pathological, and survival outcomes for patients operated in the period 2008–2015 and compared the two strategies. Results In total, 537 patients constituted the study cohort, where 160 were treated with the simultaneous strategy and 377 with the classical strategy. Patients managed with the simultaneous strategy had less often rectal primary tumors (22% vs. 31%, p = 0.046) and underwent to a lesser extent a major liver resection (16% vs. 41%, p < 0.001), but had a shorter total length of stay (11 vs. 15 days, p < 0.001) and more complications (52% vs. 36%, p < 0.001). No significant 5-year overall survival (p = 0.110) difference was detected. Twenty-five patients had a major liver resection in the simultaneous strategy group and 155 in the classical strategy group without difference in 5-year overall survival (p = 0.198). Conclusion Simultaneous resection of the colorectal primary cancer and liver metastases can possibly have more complications, with no difference in overall survival compared to the classical strategy.
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Affiliation(s)
- Valentinus T Valdimarsson
- Department of Clinical Sciences Lund, Surgery, Skane University Hospital, Lund University, Lund, Sweden
| | - Ingvar Syk
- Department of Clinical Sciences Malmö, Surgery, Skane University Hospital, Lund University, Malmö, Sweden
| | - Gert Lindell
- Department of Clinical Sciences Lund, Surgery, Skane University Hospital, Lund University, Lund, Sweden
| | - Per Sandström
- Department of Surgery, Linköping University, Linköping, Sweden.,Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - Bengt Isaksson
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Magnus Rizell
- Department of Transplantation and Liver Surgery, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Agneta Norén
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Bjarne Ardnor
- Department of Surgery, Umeå University Hospital, Umeå, Sweden
| | - Christian Sturesson
- Division of Surgery, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Karolinska University Hospital, 141 86, Stockholm, Sweden.
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12
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Huang J, Chen G, Liu H, Zhang Y, Tang R, Huang Q, Fu K, Peng X, Xiao S. Surgery improves the prognosis of colon mucinous adenocarcinoma with liver metastases: a SEER-based study. BMC Cancer 2020; 20:908. [PMID: 32967651 PMCID: PMC7510088 DOI: 10.1186/s12885-020-07400-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 09/13/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Mucinous adenocarcinoma (MC) is the second most common pathological type of colon carcinoma (CC). Colon cancer liver metastases (CLMs) are common and lethal, and complete resection of the primary tumour and metastases for CLM patients would be beneficial. However, there is still no consensus on the role of surgery for MC with liver metastases (M-CLM). METHODS Patients diagnosed with M-CLM or classical adenocarcinoma with CLM (A-CLM) from 2010 to 2013 in the Surveillance, Epidemiology, and End Results (SEER) database were retrieved. The clinicopathological features and overall survival (OS) and cancer-specific survival (CSS) data were compared and analysed. RESULTS The results showed that the M-CLM group had a larger tumour size, more right colon localizations, higher pT and pN stages, more female patients, and more retrieved and positive lymph nodes and accounted for a higher proportion of surgeries than the A-CLM group. The OS and CSS of M-CLM patients who underwent any type of surgery were significantly better than those of patients who did not undergo any surgery, but poorer than those of A-CLM patients who underwent surgery. Meanwhile, the OS and CSS of M-CLM and A-CLM patients who did not undergo any surgery were comparable. Compared with hemicolectomy, partial colectomy led to similar or better OS and CSS for M-CLM, and surgery was an independent protective factor for long-term survival in M-CLM. CONCLUSIONS M-CLM had distinct clinicopathological characteristics from A-CLM, and surgery could improve the survival and is an independent favourable prognostic factor for M-CLM. In addition, partial colectomy might be a non-inferiority choice as hemicolectomy for M-CLM according to the results from this study.
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Affiliation(s)
- Jia Huang
- Institute of Clinical Medicine of the First Affiliated Hospital, University of South China, Hengyang, Hunan, 421001, People's Republic of China.,Hengyang Medical College, University of South China, Hengyang, Hunan, 421001, People's Republic of China
| | - Guodong Chen
- Department of Surgery of the First Affiliated Hospital, University of South China, Hengyang, Hunan, 421001, People's Republic of China
| | - Huan Liu
- Department of Surgery of the First Affiliated Hospital, University of South China, Hengyang, Hunan, 421001, People's Republic of China
| | - Yiwei Zhang
- Department of Surgery of the First Affiliated Hospital, University of South China, Hengyang, Hunan, 421001, People's Republic of China
| | - Rong Tang
- Department of Gastrointestinal Surgery of the First Affiliated Hospital, University of South China, Hengyang, Hunan, 421001, People's Republic of China
| | - Qiulin Huang
- Department of Gastrointestinal Surgery of the First Affiliated Hospital, University of South China, Hengyang, Hunan, 421001, People's Republic of China
| | - Kai Fu
- Institute of Molecular Precision Medicine and Hunan Key Laboratory of Molecular Precision Medicine, and Department of General Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China.
| | - Xiuda Peng
- Department of Surgery of the Second Affiliated Hospital, University of South China, Hengyang, Hunan, 421001, People's Republic of China.
| | - Shuai Xiao
- Institute of Clinical Medicine of the First Affiliated Hospital, University of South China, Hengyang, Hunan, 421001, People's Republic of China. .,Department of Gastrointestinal Surgery of the First Affiliated Hospital, University of South China, Hengyang, Hunan, 421001, People's Republic of China.
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13
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Yang Y, Lu Y, Jiang W, Zhu J, Yan S. Individualized prediction of survival benefit from primary tumor resection for patients with unresectable metastatic colorectal cancer. World J Surg Oncol 2020; 18:193. [PMID: 32746835 PMCID: PMC7401291 DOI: 10.1186/s12957-020-01972-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/28/2020] [Indexed: 12/14/2022] Open
Abstract
Background The impact of primary tumor resection (PTR) on the prognosis of unresectable metastatic colorectal cancer (mCRC) patients remains debatable. We aimed to develop several prognostic nomograms which could be useful in predicting whether patients might benefit from PTR or not. Methods Patients diagnosed as mCRC without resected metastasis were identified from the Surveillance Epidemiology and End Results database and randomly assigned into two groups: a training cohort (6369 patients) and a validation cohort (2774 patients). Univariate and multivariable Cox analyses were performed to identify the independent predictors and construct nomograms that could independently predict the overall survival (OS) of unresectable mCRC patients in PTR and non-PTR groups, respectively. The performance of these nomograms was assessed by the concordance index (C-index), calibration curves, and decision curve analysis (DCA). Results Based on the result of univariate and multivariable Cox analyses, two nomograms were respectively constructed to predict the 1-year OS rates of unresectable mCRC patients when receiving PTR and not. The first one included age, gender, tumor grade, proximal colon, N stage, CEA, chemotherapy, radiotherapy, histology type, brain metastasis, liver metastasis, lung metastasis, and bone metastasis. The second nomogram included age, race, tumor grade, primary site, CEA, chemotherapy, brain metastasis, and bone metastasis. These nomograms showed favorable sensitivity with the C-index range of 0.700–0.725. The calibration curves and DCAs also exhibited adequate fit and ideal net benefits in prognosis prediction and clinical application. Conclusions These practical prognosis nomograms could assist clinicians in making appropriate treatment decisions to effectively manage the disease.
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Affiliation(s)
- Yi Yang
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, Jiangsu, China
| | - Yujie Lu
- Department of Oncology, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, Jiangsu, China
| | - Wen Jiang
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, Jiangsu, China
| | - Jinzhou Zhu
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, Jiangsu, China
| | - Su Yan
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, Jiangsu, China.
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Balibegloo M, Rezaei N. Development and clinical application of bispecific antibody in the treatment of colorectal cancer. Expert Rev Clin Immunol 2020; 16:689-709. [PMID: 32536227 DOI: 10.1080/1744666x.2020.1783249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Treatment of colorectal cancer as one of the most commonly diagnosed and a frequent cause of cancer-related deaths is of great challenges in health-related issues. AREAS COVERED Immunotherapy is the fourth pillar of cancer treatment which provides more novel therapeutic options with expanding investigational potentials. One of the modalities in immunotherapy is the use of bispecific antibodies. Despite demonstrating many promising roles, it still needs more advanced studies to identify the actual pros and cons. In this review, the application of bispecific antibody in the treatment of colorectal cancer has been explained, based on preclinical and clinical studies. The literature search was conducted mainly through PubMed in June and September 2019. EXPERT OPINION Bispecific antibody is in its early stages in colorectal cancer treatment, requiring modern technologies in manufacturing, better biomarkers and more specific target antigens, more studies on individual genetic variations, and conducting later phase clinical trials and systematic reviews to achieve better survival benefits.
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Affiliation(s)
- Maryam Balibegloo
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences , Tehran, Iran.,Cancer Immunology Project (CIP), Universal Scientific Education & Research Network (USERN) , Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences , Tehran, Iran.,Department of Immunology, School of Medicine, Tehran University of Medical Sciences , Tehran, Iran.,Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education & Research Network (USERN) , Tehran, Iran
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15
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Wang G, Wang W, Jin H, Dong H, Chen W, Li X, Li G, Li L. The effect of primary tumor radiotherapy in patients with Unresectable stage IV Rectal or Rectosigmoid Cancer: a propensity score matching analysis for survival. Radiat Oncol 2020; 15:126. [PMID: 32460810 PMCID: PMC7251679 DOI: 10.1186/s13014-020-01574-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/17/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND To evaluate the impact of primary tumor radiotherapy on survival in patients with unresectable metastatic rectal or rectosigmoid cancer. METHODS From September 2008 to September 2017, 350 patients with unresectable metastatic rectal or rectosigmoid cancer were retrospectively reviewed in our center. All patients received at least 4 cycles of chemotherapy and were divided into two groups according to whether they received primary tumor radiotherapy. A total of 163 patients received primary tumor radiotherapy, and the median radiation dose was 56.69 Gy (50.4-60). Survival curves were estimated with the Kaplan-Meier method to roughly compare survival between the two groups. Subsequently, the 18-month survival rate was used as the outcome variable for this study. This study mainly evaluated the impact of primary tumor radiotherapy on the survival of these patients through a series of multivariate Cox regression analyses after propensity score matching (PSM). RESULTS The median follow-up time was 21 months. All 350 patients received a median of 7 cycles of chemotherapy (range 4-12), and 163 (46.67%) patients received primary tumor radiotherapy for local symptoms. The Kaplan-Meier survival curves showed that the primary tumor radiotherapy group had a significant overall survival (OS) advantage compared to the group without radiotherapy (20.07 vs 17.33 months; P = 0.002). In this study, the multivariate Cox regression analysis after adjusting for covariates, multivariate Cox regression analysis after PSM, inverse probability of treatment weighting (IPTW) analysis and propensity score (PS)-adjusted model analysis consistently showed that primary tumor radiotherapy could effectively reduce the risk of death for these patients at 18 months (HR: 0.62, 95% CI 0.40-0.98; HR: 0.79, 95% CI: 0.93-1.45; HR: 0.70, 95% CI 0.55-0.99 and HR: 0.74, 95% CI: 0.59-0.94). CONCLUSION Compared with patients with stage IV rectal or rectosigmoid cancer who did not receive primary tumor radiotherapy, those who received primary tumor radiotherapy had a lower risk of death. The prescription dose (59.4 Gy/33 fractions or 60 Gy/30 fractions) of radiation for primary tumors might be considered not only to relieve symptoms improve the survival of patients with inoperable metastatic rectal or rectosigmoid cancer.
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Affiliation(s)
- Gang Wang
- Department of Abdominal Oncology, The Affiliated Hospital of Guizhou Medical University, Guizhou Cancer Hospital, Guiyang, 550004 People’s Republic of China
| | - Wenling Wang
- Department of Abdominal Oncology, The Affiliated Hospital of Guizhou Medical University, Guizhou Cancer Hospital, Guiyang, 550004 People’s Republic of China
| | - Haijie Jin
- Department of Abdominal Oncology, The Affiliated Hospital of Guizhou Medical University, Guizhou Cancer Hospital, Guiyang, 550004 People’s Republic of China
| | - Hongmin Dong
- Department of Abdominal Oncology, The Affiliated Hospital of Guizhou Medical University, Guizhou Cancer Hospital, Guiyang, 550004 People’s Republic of China
| | - Weiwei Chen
- Department of Abdominal Oncology, The Affiliated Hospital of Guizhou Medical University, Guizhou Cancer Hospital, Guiyang, 550004 People’s Republic of China
| | - Xiaokai Li
- Department of Abdominal Oncology, The Affiliated Hospital of Guizhou Medical University, Guizhou Cancer Hospital, Guiyang, 550004 People’s Republic of China
| | - Guodong Li
- Department of Abdominal Oncology, The Affiliated Hospital of Guizhou Medical University, Guizhou Cancer Hospital, Guiyang, 550004 People’s Republic of China
| | - Leilei Li
- Department of Abdominal Oncology, The Affiliated Hospital of Guizhou Medical University, Guizhou Cancer Hospital, Guiyang, 550004 People’s Republic of China
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Sterpetti AV, Costi U, D'Ermo G. National statistics about resection of the primary tumor in asymptomatic patients with Stage IV colorectal cancer and unresectable metastases. Need for improvement in data collection. A systematic review with meta-analysis. Surg Oncol 2019; 33:11-18. [PMID: 31885359 DOI: 10.1016/j.suronc.2019.12.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 11/25/2019] [Accepted: 12/18/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND Patients with asymptomatic Stage IV colorectal cancer represent a significant heterogeneous group. National statistics represent an effective method to follow in real time the clinical outcomes of patients, and they may represent an important tool to analyze and to compare different therapeutic approaches. The aim of our study was to analyze the reviews of national data and single institutions reports, which compared the clinical outcomes of patients with asymptomatic Stage IV colorectal cancer and un-resectable metastases who had resection of the primary tumor with those who did not have resection. We gave special attention to the number of missing established relevant variables, to determine the appropriateness of the results of the published studies. MATERIAL We performed a systematic review of papers comparing patients who had and who had not primary tumor resection. Screened reports included the time of publication from June 2012 to June 2018; 2556 papers were identified and 27 were included into the review. The primary outcome was observed survival. We analyzed the number of major missing variables in National Data Bases and Single Institution Reports, to assess the overall validity of the conclusions of the analyzed reports. RESULTS In the majority of the reports and in the meta-analysis of studies with propensity score matching, resection of the primary tumor was correlated to improved survival and to the possibility for a better response to postoperative chemotherapy. CONCLUSIONS The high number of missing significant variables, and a clear clinical selection in single center reports make any analysis error-prone. National statistics might represent a valid method to follow in real time the clinical outcomes of these patients, comparing different therapeutic approaches. There is the need for improvement in national data collection, to make descriptive national statistics the ground for future progress in treatment. (PROSPERO) CRD 42018089691.
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An increase in the peripheral lymphocyte-to-monocyte ratio after primary site resection is associated with a prolonged survival in unresectable colorectal carcinoma. Surg Today 2019; 50:604-614. [PMID: 31786682 DOI: 10.1007/s00595-019-01927-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 11/18/2019] [Indexed: 12/14/2022]
Abstract
PURPOSE The prognostic benefits of primary tumor resection in patients with unresectable distant metastatic colorectal cancer remain unclear. A high pre-treatment lymphocyte-to-monocyte ratio (LMR) was previously shown to be associated with a better prognosis. We assessed whether or not primary tumor resection was associated with an improved survival if the peripheral lymphocyte-to-monocyte ratio increased after primary site resection. METHODS The survival in 64 and 59 patients with and without primary tumor resection, respectively, was retrospectively compared. After resection, the survival in 39 patients with a postoperatively increased LMR (LMR-increase) and 25 patients with a decreased LMR (LMR-decrease) was compared. RESULTS Primary tumor resection prolonged the median survival more frequently in cases of non-differentiated adenocarcinoma, obstructive symptoms, high serum albumin levels, and no lymph-node metastasis than in others. Cox regression showed that the potential independent prognostic variable was non-resection of the primary lesion. After resection, the median survival in the LMR-increase vs. LMR-decrease groups was significantly different (27.3 vs. 20.8 months). There were no marked differences in patient background characteristics between the groups, except for in the number of pre-operative peripheral blood lymphocytes. The resected specimens showed significantly lower CD8+:CD163+ invading leukocyte ratios in the LMR-increase group than in the LMR-decrease group. CONCLUSIONS Primary tumor resection in patients with unresectable metastatic colorectal cancer may be associated with an improved survival, especially when the LMR is increased after primary tumor resection.
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Simillis C, Kalakouti E, Afxentiou T, Kontovounisios C, Smith JJ, Cunningham D, Adamina M, Tekkis PP. Primary Tumor Resection in Patients with Incurable Localized or Metastatic Colorectal Cancer: A Systematic Review and Meta-analysis. World J Surg 2019; 43:1829-1840. [DOI: 10.1007/s00268-019-04984-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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19
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Harji DP, Vallance A, Selgimann J, Bach S, Mohamed F, Brown J, Fearnhead N. A systematic analysis highlighting deficiencies in reported outcomes for patients with stage IV colorectal cancer undergoing palliative resection of the primary tumour. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2018; 44:1469-1478. [PMID: 30007475 DOI: 10.1016/j.ejso.2018.06.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 05/24/2018] [Accepted: 06/11/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND Management of the primary tumour in the presence of unresectable metastatic colorectal cancer (mCRC) is controversial. The role of primary tumour resection (PTR) has been investigated by a number of retrospective cohort studies, with a number on going randomised controlled trials. The aim of this study was to identify the clinical and patient-reported outcomes currently reported in studies that evaluate the role of PTR in mCRC. METHODS Literature searches were performed in MEDLINE (via OvidSP) (1966-June 2017), EMBASE (via OvidSP) and the Cochrane Library using terms related to colorectal cancer and primary tumour resection. All studies documenting outcomes following palliative PTR were included. Eligible articles were assessed using the Risk of Bias In Non-Randomised Studies of Intervention (ROBINS-I) tool. RESULTS Of 11,209 studies screened, 59 non-randomised studies reporting outcomes on 331,157 patients were included. Patient characteristics regarding performance status and co-morbidity were recorded in 26 (44.1%) and 17 (28.8%) studies. The chemotherapy regime used was reported in 27 (45.8%) studies. The operative setting and the operative approach was reported in 42 (71%) and 14 (23.7%) studies. Post-operative mortality and morbidity were reported in 33 (55.9%) and 35 (59.3%) studies. Overall survival was reported in 49 (83.1%) studies, with 5 different definitions identified. Quality of life was only reported in 1 (1.7%) study. CONCLUSION This study demonstrates significant heterogeneity in the selection and definition of outcomes reported following PTR in mCRC. There is significant heterogeneity with a significant under-reporting of important outcomes such as treatment related adverse events and patient reported outcomes.
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Affiliation(s)
- Deena P Harji
- Newcastle Centre of Bowel Disease, Royal Victoria Infirmary, Newcastle upon Tyne, UK; Clinical Trials Research Unit, University of Leeds, UK.
| | - Abigail Vallance
- Clinical Effectiveness Unit, Royal College of Surgeons, London, UK
| | - Jenny Selgimann
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds, UK
| | - Simon Bach
- Department of Surgery, University Hospitals Birmingham, Birmingham, UK
| | - Faheez Mohamed
- Peritoneal Malignancy Institute, North Hampshire Hospital, Hampshire Hospital Foundation Trust, Basingstoke, UK
| | - Julia Brown
- Clinical Trials Research Unit, University of Leeds, UK
| | - Nicola Fearnhead
- Department of Colorectal Surgery, Addenbrooke's Hospital, Cambridge, UK
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20
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Lau JW, Chang HS, Lee KY, Gwee YX, Lee WQ, Chong CS. Survival outcomes following primary tumor resection for patients with incurable metastatic colorectal carcinoma: Experience from a single institution. J Dig Dis 2018; 19:550-560. [PMID: 30117288 DOI: 10.1111/1751-2980.12657] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 07/13/2018] [Accepted: 08/13/2018] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Palliative primary tumor resection (PTR) has been used for preventing and treating tumor-related complications. We aimed to determine whether PTR can increase overall survival (OS) in patients with unresectable metastatic colorectal cancer (CRC). METHODS A retrospective review of a prospectively collected database in a single center was performed. Patients diagnosed with metastatic CRC from January 2004 to December 2014 were included. Patients who had attained curative resection or had disease recurrence were excluded. All patients were discussed at a multidisciplinary tumor board where subsequent treatment decisions were made. RESULTS Altogether 408 patients were analyzed. Of these 145 received PTR with palliative chemotherapy (PC; group A), 110 received PC only (group B), 52 received PTR only (group C), while 101 received neither PTR nor PC (group D). Undergoing PTR led to statistically significant improvement in OS (22.7 months vs 12.1 months vs 6.9 months vs 2.7 months, P < 0.001). We performed subgroup analyses to control for potential confounders and found that the influence of PTR on OS persisted. With multivariate analysis, the predictors of poor OS were no PTR (hazards ratio [HR] 2.32, 95% confidence interval [CI] 1.82-2.96, P < 0.001), no PC (HR 4.25, 95% CI 3.27-5.33, P < 0.001) and the presence of peritoneal metastases (HR 1.37, 95% CI 1.06-1.78, P = 0.018). Diversion surgery did not lead to a statistical difference in OS. CONCLUSIONS The absences of PTR and PC, and peritoneal metastases are independently associated with decreased OS in patients with unresectable metastatic CRC. Randomized controlled trials are needed to verify this observation.
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Affiliation(s)
- Joel Wl Lau
- Department of Surgery, University Surgical Cluster, National University Hospital, Singapore
| | - Heidi Sy Chang
- Department of Surgery, University Surgical Cluster, National University Hospital, Singapore
| | - Kai Y Lee
- Department of Surgery, University Surgical Cluster, National University Hospital, Singapore
| | - Yong X Gwee
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Wen Q Lee
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Choon S Chong
- Department of Surgery, University Surgical Cluster, National University Hospital, Singapore
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21
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Treatment and survival of rectal cancer patients over the age of 80 years: a EURECCA international comparison. Br J Cancer 2018; 119:517-522. [PMID: 30057408 PMCID: PMC6134121 DOI: 10.1038/s41416-018-0215-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 07/09/2018] [Accepted: 07/12/2018] [Indexed: 12/18/2022] Open
Abstract
Background The optimal treatment strategy for older rectal cancer patients
remains unclear. The current study aimed to compare treatment and survival of
rectal cancer patients aged 80+. Methods Patients of ≥80 years diagnosed with rectal cancer between 2001 and
2010 were included. Population-based cohorts from Belgium (BE), Denmark (DK), the
Netherlands (NL), Norway (NO) and Sweden (SE) were compared side by side for
neighbouring countries on treatment strategy and 5-year relative survival (RS),
adjusted for sex and age. Analyses were performed separately for stage I–III
patients and stage IV patients. Results Overall, 19 634 rectal cancer patients were included. For stage
I–III patients, 5-year RS varied from 61.7% in BE to 72.3% in SE. Proportion of
preoperative radiotherapy ranged between 7.9% in NO and 28.9% in SE. For stage IV
patients, 5-year RS differed from 2.8% in NL to 5.6% in BE. Rate of patients
undergoing surgery varied from 22.2% in DK to 40.8% in NO. Conclusions Substantial variation was observed in the 5-year relative survival
between European countries for rectal cancer patients aged 80+, next to a wide
variation in treatment, especially in the use of preoperative radiotherapy in
stage I–III patients and in the rate of patients undergoing surgery in stage IV
patients.
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Maroney S, de Paz CC, Reeves ME, Garberoglio C, Raskin E, Senthil M, Namm JP, Solomon N. Benefit of Surgical Resection of the Primary Tumor in Patients Undergoing Chemotherapy for Stage IV Colorectal Cancer with Unresected Metastasis. J Gastrointest Surg 2018; 22:460-466. [PMID: 29124549 DOI: 10.1007/s11605-017-3617-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Accepted: 10/24/2017] [Indexed: 01/31/2023]
Abstract
PURPOSE Resection of the primary tumor in patients with unresected metastatic colorectal cancer is controversial, and often performed only for palliation of symptoms. Our goal was to determine if resection of the primary tumor in this patient population is associated with improved survival. METHODS This is a retrospective cohort study of the National Cancer Data Base from 2004 to 2012. The study population included all patients with synchronous metastatic colorectal adenocarcinoma who were treated with systemic chemotherapy. The study groups were patients who underwent definitive surgery for the primary tumor and those who did not. Patients were excluded if they had surgical intervention on the sites of metastasis or pathology other than adenocarcinoma. Primary outcome was overall survival. RESULTS Of the 65,543 patients with unresected stage IV colorectal adenocarcinoma undergoing chemotherapy, 55% underwent surgical resection of the primary site. Patients who underwent surgical resection of the primary tumor had improved median survival compared to patients treated with chemotherapy alone (22 vs 13 months, p < .0001). The surgical survival benefit was present for patients who were treated with either multi-agent or single-agent chemotherapy (23 vs 14 months, p < 0.001; 19 vs 9 months, p < 0.001). Surgical resection of the primary tumor was also associated with improved survival when using multivariate analysis with propensity score matching (OR = 0.863; 95% CI [0.805-.924]; HR = 0.914; 95% CI [0.888-0.942]). CONCLUSIONS Our results show that in patients with synchronous unresected stage IV colorectal adenocarcinoma undergoing single- or multi-agent chemotherapy, after adjusting for confounding variables, definitive resection of the primary site was associated with improved overall survival. Large randomized controlled trials are needed to determine if there is a causal relationship between surgery and increased overall survival in this patient population.
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Affiliation(s)
- Sean Maroney
- Department of Surgery, Loma Linda University Health, 11175 Campus Street, Suite 21108, Loma Linda, CA, 92350, USA.
| | | | - Mark E Reeves
- Department of Surgery, Loma Linda University Health, 11234 Anderson St, Loma Linda, CA, 92354, USA
| | - Carlos Garberoglio
- Department of Surgery, Loma Linda University Health, 11234 Anderson St, Loma Linda, CA, 92354, USA
| | - Elizabeth Raskin
- Department of Surgery, Loma Linda University Health, 11234 Anderson St, Loma Linda, CA, 92354, USA
| | - Maheswari Senthil
- Department of Surgery, Loma Linda University Health, 11234 Anderson St, Loma Linda, CA, 92354, USA
| | - Jukes P Namm
- Department of Surgery, Loma Linda University Health, 11234 Anderson St, Loma Linda, CA, 92354, USA
| | - Naveenraj Solomon
- Department of Surgery, Loma Linda University Health, 11234 Anderson St, Loma Linda, CA, 92354, USA
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Kim MS, Park EJ, Kang J, Min BS, Lee KY, Kim NK, Baik SH. Prognostic factors predicting survival in incurable stage IV colorectal cancer patients who underwent palliative primary tumor resection. Retrospective cohort study. Int J Surg 2018; 49:10-15. [DOI: 10.1016/j.ijsu.2017.11.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2017] [Revised: 11/14/2017] [Accepted: 11/27/2017] [Indexed: 02/02/2023]
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Liu Q, Hao L, Lou Z, Gao X, Gong H, Hong Y, Fu C, Zhang W. Survival time and prognostic factors of patients with initial noncurative colorectal liver metastases. Medicine (Baltimore) 2017; 96:e8831. [PMID: 29390420 PMCID: PMC5758122 DOI: 10.1097/md.0000000000008831] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 10/08/2017] [Accepted: 11/01/2017] [Indexed: 02/07/2023] Open
Abstract
The true survival benefit of different curative strategies involving type of operative procedure and timing for patients with initial noncurative colorectal liver metastases remains uncertain. The goal of this study was to examine the effect of primary tumor resection on patients' survival and to clarify the predictive factors related to overall survival (OS).This was a retrospective study that included 219 patients with initial noncurative colorectal liver metastases without extrahepatic disease. The clinicopathological characteristics of patients and their survival were examined. Survival analysis was performed using the Kaplan-Meier method. All variables associated with P <.05 in univariate analysis were included in multivariate analysis using a Cox proportional-hazard regression model.The 1-, 3-, 5-year OS rates of patients with simultaneous liver resection were 79.1%, 39.1%, and 28.4%, respectively, and those of patients with staged liver resection were 83.3%, 46.7%, and 36.8%, respectively (P = .380). The 1-, 3-, 5-year OS rates of patients with primary tumor resection were 57.0%, 18.2%, and 12.3%, respectively, while for the patients without primary tumor resection were 38.9%, 5.6%, and 0%, respectively (P = .012). Independent prognostic factors for OS were carbohydrate antigen19-9, primary tumor resection, tumor differentiation, and adjuvant chemotherapy.No difference in OS was observed between simultaneous liver resection and staged liver resection, while primary tumor resection was beneficial to noncurative colorectal liver metastases.
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Affiliation(s)
- Qizhi Liu
- Department of Colorectal Surgery, Changhai Hospital, Second Military Medical University
| | - Liqiang Hao
- Department of Colorectal Surgery, Changhai Hospital, Second Military Medical University
| | - Zheng Lou
- Department of Colorectal Surgery, Changhai Hospital, Second Military Medical University
| | - Xianhua Gao
- Department of Colorectal Surgery, Changhai Hospital, Second Military Medical University
| | - Haifeng Gong
- Department of Colorectal Surgery, Changhai Hospital, Second Military Medical University
| | - Yonggang Hong
- Department of Colorectal Surgery, Changhai Hospital, Second Military Medical University
| | - Chuangang Fu
- Department of Colorectal Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Wei Zhang
- Department of Colorectal Surgery, Changhai Hospital, Second Military Medical University
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Nitsche U, Stöß C, Stecher L, Wilhelm D, Friess H, Ceyhan GO. Meta-analysis of outcomes following resection of the primary tumour in patients presenting with metastatic colorectal cancer. Br J Surg 2017; 105:784-796. [PMID: 29088493 DOI: 10.1002/bjs.10682] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 06/01/2017] [Accepted: 07/07/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND It is not clear whether resection of the primary tumour (when there are metastases) alters survival and/or whether resection is associated with increased morbidity. This systematic review and meta-analysis assessed the prognostic value of primary tumour resection in patients presenting with metastatic colorectal cancer. METHODS A systematic review of MEDLINE/PubMed was performed on 12 March 2016, with no language or date restrictions, for studies comparing primary tumour resection versus conservative treatment without primary tumour resection for metastatic colorectal cancer. The quality of the studies was assessed using the MINORS and STROBE criteria. Differences in survival, morbidity and mortality between groups were estimated using random-effects meta-analysis. RESULTS Of 37 412 initially screened articles, 56 retrospective studies with 148 151 patients met the inclusion criteria. Primary tumour resection led to an improvement in overall survival of 7·76 (95 per cent c.i. 5·96 to 9·56) months (risk ratio (RR) for overall survival 0·50, 95 per cent c.i. 0·47 to 0·53), but did not significantly reduce the risk of obstruction (RR 0·50, 95 per cent c.i. 0·16 to 1·53) or bleeding (RR 1·19, 0·48 to 2·97). Neither was the morbidity risk altered (RR 1·14, 0·77 to 1·68). Heterogeneity between the studies was high, with a calculated I2 of more than 50 per cent for most outcomes. CONCLUSION Primary tumour resection may provide a modest survival advantage in patients presenting with metastatic colorectal cancer.
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Affiliation(s)
- U Nitsche
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - C Stöß
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - L Stecher
- Institute of Medical Statistics and Epidemiology, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - D Wilhelm
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - H Friess
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - G O Ceyhan
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
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Li XF, Tan YN, Zhong CH, Zhu LZ, Fang XF, Li J, Ding KF, Yuan Y. Left-sided primary tumor is a favorable prognostic factor for metastatic colorectal cancer patients receiving surgery. Oncotarget 2017; 8:79618-79628. [PMID: 29108341 PMCID: PMC5668074 DOI: 10.18632/oncotarget.18896] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 06/12/2017] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE The role of surgery in metastatic colorectal cancer (mCRC) remains controversial. This study was performed to assess the impact of surgery on survival in metastatic colorectal cancer. MATERIALS AND METHODS Information of mCRC patients diagnosed between January 1, 2004, and December 31, 2013, was retrieved from the Surveillance, Epidemiology, and End Results Program database. Patients were classified in three groups: patients undergoing resection of both primary and distant metastatic tumors (group 'PMTR'), patients receiving primary tumor resection alone (group 'PTR') and patients not undergoing any surgery (group 'No resection'). Kaplan-Meier method and multivariate Cox proportional hazard regression analysis were applied to estimate disease specific survival time (DSS) and determine prognostic factors. RESULTS A total of 38,591 mCRC patients were eligible. Overall, median DSS of group 'PMTR' was significantly longer compared with group 'PTR' and group 'No resection' (28.0 vs 21.0 vs 11.0 months, P < 0.001). Stratified analysis observed that primary tumor in left-sided colorectal cancer (LCRC) was a favorable prognostic factor compared with right-sided colorectal cancer (RCRC) (median DSS of LCRC: PMTR, 34 months, PTR, 25 months, No resection, 13 months; median DSS of RCRC: PMTR, 20 months, PTR, 16 months, No resection, 8 months; P < 0.001). Multivariate analysis demonstrated that surgery was an independent prognostic factor for better survival (PMTR, HR = 0.403, 95% CI 0.384-0.423, P < 0.001; PTR, HR = 0.515, 95% CI 0.496-0.534, P < 0.001). Furthermore, in patients undergoing surgery, patients with younger age, female, married status, LCRC and lower CEA level were prone to receiving PMTR. CONCLUSIONS This analysis demonstrated that surgery was an independent prognostic factor for improved survival in mCRC. Patients with LCRC had better survival than patients with RCRC after surgery.
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Affiliation(s)
- Xiao-Fen Li
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yi-Nuo Tan
- Department of Surgical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chen-Han Zhong
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Li-Zhen Zhu
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xue-Feng Fang
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jun Li
- Department of Surgical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ke-Feng Ding
- Department of Surgical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Cancer Prevention and Intervention of Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ying Yuan
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Cancer Prevention and Intervention of Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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The American Society of Colon and Rectal Surgeons Clinical Practice Guidelines for the Treatment of Colon Cancer. Dis Colon Rectum 2017; 60:999-1017. [PMID: 28891842 DOI: 10.1097/dcr.0000000000000926] [Citation(s) in RCA: 212] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The American Society of Colon and Rectal Surgeons is dedicated to ensuring high-quality patient care by advancing the science, prevention, and management of disorders and diseases of the colon, rectum, and anus. The Clinical Practice Guidelines Committee is composed of society members who are chosen because they have demonstrated expertise in the specialty of colon and rectal surgery. This committee was created to lead international efforts in defining quality care for conditions related to the colon, rectum, and anus. This is accompanied by developing Clinical Practice Guidelines based on the best available evidence. These guidelines are inclusive and not prescriptive. Their purpose is to provide information on which decisions can be made, rather than to dictate a specific form of treatment. These guidelines are intended for the use of all practitioners, health care workers, and patients who desire information about the management of the conditions addressed by the topics covered in these guidelines. It should be recognized that these guidelines should not be deemed inclusive of all proper methods of care or exclusive of methods of care reasonably directed to obtaining the same results. The ultimate judgment regarding the propriety of any specific procedure must be made by the physician in light of all the circumstances presented by the individual patient.
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Mehta HB, Vargas GM, Adhikari D, Dimou F, Riall TS. Comparative effectiveness of chemotherapy vs resection of the primary tumour as the initial treatment in older patients with Stage IV colorectal cancer. Colorectal Dis 2017; 19:O210-O218. [PMID: 28304120 PMCID: PMC5457355 DOI: 10.1111/codi.13659] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 01/26/2017] [Indexed: 12/26/2022]
Abstract
AIM The objectives were to determine trends in the use of chemotherapy as the initial treatment and to evaluate the comparative effectiveness of initial chemotherapy vs resection of the primary tumour on survival (intention-to-treat analysis) in Stage IV colorectal cancer (CRC). METHOD This cohort study used 2000-2011 data from the Surveillance, Epidemiology, and End Results (SEER)-Medicare linked database, including patients ≥ 66 years of age presenting with Stage IV CRC. Cox proportional hazards models and instrumental variable analysis were used to compare the effectiveness of chemotherapy as the initial treatment with resection of the primary tumour as the initial treatment, with 2-year survival as the end point. RESULTS The use of chemotherapy as the first treatment increased over time, from 26.8% in 2001 to 46.9% in 2009 (P < 0.0001). The traditional Cox model showed that chemotherapy as the initial treatment was associated with a higher risk of mortality [hazard ratio (HR) = 1.35; 95% CI: 1.27-1.44]. When accounting for known and unknown confounders in an instrumental variable analysis, chemotherapy as the initial treatment suggested benefit on 2-year survival (HR = 0.68; 95% CI: 0.44-1.04); however, the association did not reach statistical significance. The study findings were similar in six subgroup analyses. CONCLUSION The use of chemotherapy as the initial therapy for CRC increased substantially from 2001 to 2009. Instrumental variable analysis found that, compared with resection, chemotherapy as the initial treatment offers similar or better 2-year survival in patients with Stage IV CRC. Given the morbidity and mortality associated with colorectal resection in elderly patients, chemotherapy provides an option to patients who are not good candidates for resection.
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Affiliation(s)
- Hemalkumar B. Mehta
- Departments of Surgery, The University of Texas Medical Branch, Galveston, Texas
| | | | - Deepak Adhikari
- Departments of Surgery, The University of Texas Medical Branch, Galveston, Texas
| | - Francesca Dimou
- Departments of Surgery, The University of Texas Medical Branch, Galveston, Texas,University of South Florida, Tampa, Florida
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Zhang CH, Pan YB, Zhang QW, Shi OM, Zheng L, Gui L, Luo M. The influence of local therapy on the survival of patients with metastatic rectal cancer: a population-based, propensity-matched study. J Cancer Res Clin Oncol 2017; 143:1891-1903. [PMID: 28534172 DOI: 10.1007/s00432-017-2442-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 05/17/2017] [Indexed: 01/26/2023]
Abstract
PURPOSE This study was aimed to determine the effect of the local tumor therapy on patients' prognosis in the management of metastatic rectal cancer. METHODS Patients diagnosed with metastatic rectal cancer from 2004 to 2013 were selected from the SEER (Surveillance, Epidemiology, and End Results) database. Overall survival and cancer-specific survival were compared between the local treatment group and the nonlocal treatment group using Kaplan-Meier methods. Uni- and multivariate analyses were further performed to confirm or deny the results. The statistical approach of propensity score matching was conducted to avoid potential confounding factors. RESULTS Of 6867 patients included in this analysis, 3971 (57.8%) received local therapy to the primary tumor and 2896 (42.2%) did not receive. Both univariable and multivariable analysis showed local therapy continued to be associated with an improvement in OS (HR 0.532; 95% CI 0.503-0.563, p < 0.001 and HR 0.532; 95% CI 0.498-0.568, p < 0.001, respectively) and CSS (HR 0.527; 95% CI 0.497-0.559, p < 0.001 and HR 0.521; 95% CI 0.487-0.557, p < 0.001, respectively) in the unmatched cohorts. Further analysis showed patients underwent local tumor destruction or surgical resection had a better overall survival compared with those who did not undergo (p < 0.001). In the matched population, patients receiving local therapy had a better OS (HR 0.427; 95% CI 0.428-0.519, p < 0.001) and CSS (HR 0.462; 95% CI 0.418-0.511, p < 0.001) compared with those who did not receive. CONCLUSIONS Local therapy to the primary tumor may be associated with a better survival in patients with metastatic rectal cancer.
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Affiliation(s)
- Chi-Hao Zhang
- Department of General Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Baoshan, 201999, Shanghai, China
| | - Yuan-Bo Pan
- Department of Neurosurgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Baoshan, 201999, Shanghai, China
| | - Qing-Wei Zhang
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology, Ministry of Health, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200001, China
| | - Ou-Min Shi
- The Second Affiliated Hospital of Shenzhen University, Shenzhen, 518000, China
| | - Lei Zheng
- Department of General Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Baoshan, 201999, Shanghai, China
| | - Liang Gui
- Department of General Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Baoshan, 201999, Shanghai, China
| | - Meng Luo
- Department of General Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Huangpu, 200001, Shanghai, China.
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Søreide K. Resection of asymptomatic primary tumour in unresectable stage IV colorectal cancer: time to move on from propensity matched scores to randomized controlled trials. Int J Cancer 2016; 139:1927-9. [PMID: 27400774 PMCID: PMC5095777 DOI: 10.1002/ijc.30244] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Kjetil Søreide
- Department of Gastrointestinal Surgery, Stavanger University Hospital, Stavanger, Norway.,Gastrointestinal Translational Research Unit, Laboratory for Molecular Biology, Stavanger University Hospital, Stavanger, Norway.,Department of Clinical Medicine, University of Bergen, Bergen, Norway
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't Lam-Boer J, Van der Geest LG, Verhoef C, Elferink ME, Koopman M, de Wilt JH. Palliative resection of the primary tumor is associated with improved overall survival in incurable stage IV colorectal cancer: A nationwide population-based propensity-score adjusted study in the Netherlands. Int J Cancer 2016; 139:2082-94. [DOI: 10.1002/ijc.30240] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 05/04/2016] [Accepted: 05/10/2016] [Indexed: 12/14/2022]
Affiliation(s)
- Jorine 't Lam-Boer
- Department of Surgery; Radboud University Medical Center; Nijmegen The Netherlands
| | | | - Cees Verhoef
- Department of Surgery; Erasmus Medical Center; Rotterdam The Netherlands
| | | | - Miriam Koopman
- Department of Medical Oncology; University Medical Center Utrecht; Utrecht The Netherlands
| | - Johannes H. de Wilt
- Department of Surgery; Radboud University Medical Center; Nijmegen The Netherlands
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Shida D, Hamaguchi T, Ochiai H, Tsukamoto S, Takashima A, Boku N, Kanemitsu Y. Prognostic Impact of Palliative Primary Tumor Resection for Unresectable Stage 4 Colorectal Cancer: Using a Propensity Score Analysis. Ann Surg Oncol 2016; 23:3602-3608. [DOI: 10.1245/s10434-016-5299-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Indexed: 12/15/2022]
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Malouf P, Gibbs P, Shapiro J, Sockler J, Bell S. Australian contemporary management of synchronous metastatic colorectal cancer. ANZ J Surg 2016; 88:71-76. [PMID: 27122066 DOI: 10.1111/ans.13619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 03/23/2016] [Accepted: 03/28/2016] [Indexed: 11/30/2022]
Abstract
INTRODUCTION This article outlines the current Australian multidisciplinary treatment of synchronous metastatic colorectal adenocarcinoma and assesses the factors that influence patient outcome. METHODS This is a retrospective analysis of the prospective 'Treatment of Recurrent and Advanced Colorectal Cancer' registry, describing the patient treatment pathway and documenting the extent of disease, resection of the colorectal primary and metastases, chemotherapy and biological therapy use. Cox regression models for progression-free and overall survival were constructed with a comprehensive set of clinical variables. Analysis was intentionn-ton-treat, quantifying the effect of treatment intent decided at the multidisciplinary team meeting (MDT). RESULTS One thousand one hundred and nine patients presented with synchronous metastatic disease between July 2009 and November 2015. Median follow-up was 15.8 months; 4.4% (group 1) had already curative resections of primary and metastases prior to MDT, 22.2% (group 2) were considered curative but were referred to MDT for opinion and/or medical oncology treatment prior to resection and 70.2% were considered palliative at MDT (group 3). Overall, 83% received chemotherapy, 55% had their primary resected and 23% had their metastases resected; 13% of resections were synchronous, 20% were staged with primary resected first and 62% had only the colorectal primary managed surgically. Performance status, metastasis resection (R0 versus R1 versus R2 versus no resection), resection of the colorectal primary and treatment intent determined at MDT were the most significant factors for progression-free and overall survival. CONCLUSIONS This is the largest Australian series of synchronous metastatic colorectal adenocarcinoma and offers insight into the nature and utility of contemporary practice.
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Affiliation(s)
- Phillip Malouf
- Department of Colorectal Surgery, St George Hospital, Sydney, New South Wales, Australia
| | - Peter Gibbs
- Department of Oncology, Royal Melbourne Hospital, Melbourne, Victoria, Australia
| | - Jeremy Shapiro
- Department of Medicine, Monash University, Melbourne, Victoria, Australia
| | - Jim Sockler
- Programming and Statistics, Datapharm Australia, Sydney, New South Wales, Australia
| | - Stephen Bell
- Cabrini Monash University Department of Surgery, Cabrini Hospital, Melbourne, Victoria, Australia
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Surgical Resection of the Primary Tumor in Stage IV Colorectal Cancer Without Metastasectomy is Associated With Improved Overall Survival Compared With Chemotherapy/Radiation Therapy Alone. Dis Colon Rectum 2016; 59:299-305. [PMID: 26953988 PMCID: PMC4785825 DOI: 10.1097/dcr.0000000000000546] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Controversy exists over whether resection of the primary tumor in stage IV colorectal cancer with inoperable metastases improves patient outcomes. OBJECTIVE The purpose of this study was to evaluate whether resection of the primary tumor without metastasectomy in patients with stage IV colorectal cancer is associated with improved overall survival compared with patients undergoing chemotherapy and/or radiation therapy alone. DESIGN This was a retrospective review of a multi-institutional dataset. SETTINGS This study was conducted in all participating commission on cancer (CoC)-accredited facilities. PATIENTS The 2003-2006 National Cancer Data Base was reviewed to identify patients with stage IV adenocarcinoma of the colon or rectum who underwent palliative treatment without curative intent, either in the form of surgical resection of the primary tumor without metastasectomy consisting of a colectomy or rectal resection with or without chemotherapy and/or radiation or chemotherapy and/or radiation alone. MAIN OUTCOME MEASURES Groups were compared for baseline characteristics. Overall survival was compared using Kaplan-Meier analysis before and after propensity matching with a 1:1 nearest-neighbor algorithm. RESULTS Of the 1446 patients included in the analysis, 231 (16%) underwent surgical resection of the primary tumor without metastasectomy. Surgical resection was associated with a significant survival benefit on unadjusted analysis (median survival, 9.2 vs. 7.6 months; p < 0.01). After propensity matching to adjust for nonrandom treatment selection, surgical resection continued to be associated with a significant survival benefit (median survival, 9.2 vs. 7.3 months; p < 0.01). LIMITATIONS This study was limited by the potential for selection bias regarding which patients received surgical resection. There was also a lack of data regarding the indication for operation, specifically whether a patient was symptomatic or asymptomatic before resection. The inability to account for tumor size or grade among patients who did not receive surgical resection was another limitation. CONCLUSIONS Surgical resection of the primary tumor without metastasectomy in patients with metastatic colorectal cancer is associated with improved survival as compared with chemotherapy/radiation therapy alone. Additional research is necessary to determine which patients may benefit from this intervention.
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Dorajoo SR, Tan WJH, Koo SX, Tan WS, Chew MH, Tang CL, Wee HL, Yap CW. A scoring model for predicting survival following primary tumour resection in stage IV colorectal cancer patients with unresectable metastasis. Int J Colorectal Dis 2016; 31:235-45. [PMID: 26490055 DOI: 10.1007/s00384-015-2419-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/14/2015] [Indexed: 02/04/2023]
Abstract
BACKGROUND Stage IV colorectal cancer patients with unresectable metastasis who undergo elective primary tumour resection experience heterogeneous post-operative survival. We aimed to develop a scoring model for predicting post-operative survival using pre-operative variables to identify patients who are least likely to experience extended survival following the procedure. METHODS Survival data were collected from stage IV colorectal cancer patients who had undergone elective primary tumour resection between January 1999 and December 2007. Coefficients of significant covariates from the multivariate Cox regression model were used to compute individual survival scores to classify patients into three prognostic groups. A survival function was derived for each group via Kaplan-Meier estimation. Internal validation was performed. RESULTS Advanced age (hazard ratio, HR 1.43 (1.16-1.78)); poorly differentiated tumour (HR 2.72 (1.49-5.04)); metastasis to liver (HR 1.76 (1.33-2.33)), lung (HR 1.37 (1.10-1.71)) and bone (HR 2.08 ((1.16-3.71)); carcinomatosis (HR 1.68 (1.30-2.16)); hypoalbuminaemia (HR 1.30 (1.04-1.61) and elevated carcinoembryonic antigen levels (HR 1.89 (1.49-2.39)) significantly shorten post-operative survival. The scoring model separated patients into three prognostic groups with distinct median survival lengths of 4.8, 12.4 and 18.6 months (p < 0.0001). Internal validation revealed a concordance probability estimate of 0.65 and a time-dependent area under receiver operating curve of 0.75 at 6 months. Temporal split-sample validation implied good local generalizability to future patient populations (p < 0.0001). CONCLUSION Predicting survival following elective primary tumour resection using pre-operative variables has been demonstrated with the scoring model developed. Model-based survival prognostication can support clinical decisions on elective primary tumour resection eligibility.
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Wilkinson KJ, Chua W, Ng W, Roohullah A. Management of asymptomatic primary tumours in stage IV colorectal cancer: Review of outcomes. World J Gastrointest Oncol 2015; 7:513-523. [PMID: 26691885 PMCID: PMC4678398 DOI: 10.4251/wjgo.v7.i12.513] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2015] [Revised: 09/23/2015] [Accepted: 11/04/2015] [Indexed: 02/05/2023] Open
Abstract
AIM: To compare outcomes for patients presenting with stage IV colorectal cancer and an asymptomatic primary tumour, undergoing primary tumour resection (PTR) plus palliative chemotherapy vs primary chemotherapy up-front.
METHODS: A literature search was conducted using MEDLINE and EMBASE. The primary outcome was overall survival. Secondary outcomes included perioperative mortality, morbidity and delayed surgical intervention rates in patients undergoing PTR and subsequent complication rates in patients with an un-resected primary tumour. Tertiary outcomes included impact on systemic treatment and identification of prognostic factors relevant for survival in this cohort.
RESULTS: Twenty non-randomised studies met the inclusion criteria. Eleven studies included comparative overall survival data. Three studies showed an overall survival advantage for PTR, 7 studies showed no statistically significant advantage, and 1 study showed a significant worsening in survival in the surgical group. The perioperative mortality rate ranged from 0% to 8.5%, and post-operative morbidity rate from 10% to 35%, mainly minor complications that did not preclude subsequent chemotherapy. The rate of delayed primary-tumour related symptoms, most commonly obstruction, in patients with an un-resected primary tumour ranged from 3% to 46%. The strongest independent poor prognostic factor was extensive hepatic metastases, in addition to poor performance status, M1b stage and non-use of modern chemotherapy agents.
CONCLUSION: Based on the current literature, both PTR and up front chemotherapy appear appropriate initial management strategies, with a trend towards an overall survival advantage with PTR. The procedure has a low post-operative mortality, and most complications are transient and minor. The results of recruiting randomised trials are eagerly anticipated.
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Pędziwiatr M, Pisarska M, Kisielewski M, Major P, Matłok M, Wierdak M, Natkaniec M, Budzyński A. Enhanced Recovery After Surgery (ERAS®) protocol in patients undergoing laparoscopic resection for stage IV colorectal cancer. World J Surg Oncol 2015; 13:330. [PMID: 26637203 PMCID: PMC4670520 DOI: 10.1186/s12957-015-0745-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Accepted: 11/27/2015] [Indexed: 02/07/2023] Open
Abstract
Background There is strong evidence for the use of Enhanced Recovery After Surgery (ERAS) protocol with colorectal surgery. However, in most studies on ERAS, patients with stage IV colorectal cancer (CRC) are commonly excluded. It is not certain if the ERAS protocol combined with laparoscopy improves outcomes in this group of patients as well. The aim of the study is to assess the feasibility of the ERAS protocol implementation in patients operated laparoscopically due to stage IV CRC. Methods A prospective analysis of patients undergoing laparoscopic colorectal surgery was performed. Group 1 included patients with stages I–III, and group 2 included patients with stage IV CRC. Demographic, surgical factors, length of stay (LOS), complications, readmissions, ERAS implementation and early postoperative recovery were compared between the groups. Results Group 1 included 168 patients, and group 2 included 20 patients. There was no difference in the age, sex, BMI, ASA, cancer localisation or surgical parameters. No statistically significant difference was noted in complications (26.8 vs 20 %, p = 0.51344), LOS (4.7 vs 5.7 days, p = 0.28228) or readmissions (6 vs 10 %, p = 0.48392). The ERAS protocol compliance was 86.3 and 83.0 %, respectively (p = 0.17158). Conclusions Implementation of the ERAS protocol and laparoscopic surgery among patients with stage IV CRC is feasible and provides similar short-term clinical outcomes and recovery as with patients with stages I–III.
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Affiliation(s)
- Michał Pędziwiatr
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland. .,Department of Endoscopic, Metabolic and Soft Tissue Tumors Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.
| | - Magdalena Pisarska
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland. .,Department of Endoscopic, Metabolic and Soft Tissue Tumors Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.
| | - Michał Kisielewski
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland. .,Department of Endoscopic, Metabolic and Soft Tissue Tumors Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.
| | - Piotr Major
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland. .,Department of Endoscopic, Metabolic and Soft Tissue Tumors Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.
| | - Maciej Matłok
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland. .,Department of Endoscopic, Metabolic and Soft Tissue Tumors Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.
| | - Mateusz Wierdak
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland. .,Department of Endoscopic, Metabolic and Soft Tissue Tumors Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.
| | - Michał Natkaniec
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland. .,Department of Endoscopic, Metabolic and Soft Tissue Tumors Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.
| | - Andrzej Budzyński
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland. .,Department of Endoscopic, Metabolic and Soft Tissue Tumors Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.
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Turner N, Tran B, Tran PV, Sinnathamby M, Wong HL, Jones I, Croxford M, Desai J, Tie J, Field KM, Kosmider S, Bae S, Gibbs P. Primary Tumor Resection in Patients With Metastatic Colorectal Cancer Is Associated With Reversal of Systemic Inflammation and Improved Survival. Clin Colorectal Cancer 2015; 14:185-91. [DOI: 10.1016/j.clcc.2015.02.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 02/17/2015] [Accepted: 02/26/2015] [Indexed: 12/31/2022]
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Abstract
PURPOSE OF REVIEW Surgical management of diseases of the colon and rectum continues to evolve. This review examines the recent publications that have led to or may lead to changes in practice in this field. RECENT FINDINGS We identified and reviewed the recent publications in the areas of colon, rectal, and anal cancers; inflammatory bowel disease; incontinence; diverticulitis; hemorrhoids; fistulas; and quality improvement initiatives. SUMMARY New technologies and novel questions have changed practice and will improve patient outcomes. Multiinstitutional studies, ideally randomized, continue to be essential to answer the questions that will lead to identification of best practices.
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Manceau G, Dubreuil O, Karoui M. Forme métastatique non résécable : quid du primitif ? ONCOLOGIE 2014. [DOI: 10.1007/s10269-014-2470-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Yun JA, Park Y, Huh JW, Cho YB, Yun SH, Kim HC, Lee WY, Chun HK. Risk factors for the requirement of surgical or endoscopic interventions during chemotherapy in patients with uncomplicated colorectal cancer and unresectable synchronous metastases. J Surg Oncol 2014; 110:839-44. [PMID: 25043872 DOI: 10.1002/jso.23725] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Accepted: 06/09/2014] [Indexed: 12/31/2022]
Abstract
BACKGROUND AND OBJECTIVES The purpose of this study was to determine the risk factors for requirement of surgical or endoscopic interventions for complications caused by the primary tumor during chemotherapy in patients with unresectable metastatic colorectal cancer. METHODS A total of 259 patients were diagnosed with uncomplicated colorectal cancer with unresectable metastatic disease and underwent chemotherapy as an initial treatment. Among them, 57 (22.0%) patients underwent palliative interventions because of complications caused by the primary tumor during chemotherapy, including bypass surgery or diverting enterostomy for 22 patients, insertion of colonic stent for 22, and resection of primary tumor for 13. RESULTS Multivariate analysis revealed that rectal lesion (RR, 2.132; 95% CI, 1.080-4.210; P = 0.029) and tumor size larger than 5 cm (RR = 3.644, 95% CI = 1.923-6.902; P < 0.001) were significant risk factors for requirement of palliative intervention. Patients who had none of the risk factors showed better overall survival than those who had one or more (P = 0.021). CONCLUSIONS Tumor location in rectum and tumor size larger than 5 cm were significant risk factors for the requirement of surgical or endoscopic interventions during chemotherapy for complications caused by the primary tumor in patients with unresectable metastatic colorectal cancer.
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Affiliation(s)
- Jung-A Yun
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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