1.Chinese expert consensus on the clinical application of the Chinese modified triplet combination with irinotecan, oxaliplatin and continuous infusional 5-fluorouracil/leucovorin for colorectal cancer.
Chinese Journal of Gastrointestinal Surgery 2021;24(6):473-479
Colorectal cancer is the second most common malignant tumor in China. The FOLFOXIRI regimen, which combines 5-fluorouracil/leucovorin, oxaliplatin, and irinotecan, is a high-intensity and highly effective chemotherapy regimen. However, the original regimen is poorly tolerated in Chinese patients. In order to promote the standardized and rational application of FOLFOXIRI regimen by clinicians in China, "
Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
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Camptothecin/therapeutic use*
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China
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Colorectal Neoplasms/drug therapy*
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Consensus
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Fluorouracil/therapeutic use*
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Humans
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Irinotecan/therapeutic use*
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Leucovorin/therapeutic use*
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Organoplatinum Compounds/therapeutic use*
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Oxaliplatin
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Treatment Outcome
2.A Meta-Analysis of Efficacy and Adverse Effects of Lobaplatin and Cisplatin in the Treatment of Malignant Pleural Effusion.
Shihui MIN ; Qiangqiang ZHENG ; Bailu ZHANG ; Danli YAN ; Rulan WANG ; Zihan QU ; Lu LI ; Jiewei LIU ; Qinghua ZHOU
Chinese Journal of Lung Cancer 2019;22(2):90-98
BACKGROUND:
The aim of this study is to systematically evaluate the efficacy and adverse effects of Lobaplatin and Cisplatin in the treatment of malignant pleural effusion.
METHODS:
The databases of Medline (PubMed), Embase, Web of Science, Cochrane, Wanfang, CNKI and VIP were retrieved so as to search the studies about the randomized controlled clinical trials (RCT) that compared the Lobaplatin and Cisplatin for malignant pleural effusion. The main outcome indicators include objective response rate, complete response, partial response, nephrotoxicity, chest pain, gastrointestinal reaction, myelosuppression, fever response and hepatotoxicity. Relative risk was used as the effect size, which was expressed as 95% confidence interval. The meta-analysis was performed using Stata 14.0 statistical software.
RESULTS:
A total of 12 RCTs and 720 MPE patients were included. The results showed that the ORR (RR=1.27, 95%CI: 1.15-1.40, P<0.001), CR (RR=1.39, 95%CI: 1.09-1.78, P=0.007), PR (RR=1.21, 95%CI: 1.02-1.42, P=0.026) in LBP thoracic perfusion chemotherapy were significantly higher than those in DDP thoracic perfusion chemotherapy. The incidence of nephrotoxicity (RR=0.31, 95%CI: 0.13-0.71, P=0.005) and gastrointestinal reactions (RR=0.44, 95%CI: 0.31-0.62, P<0.001) in the LBP group were significantly lower than those in DDP group.
CONCLUSIONS
Compared with DDP pleural perfusion chemotherapy, the ORR, CR and PR of LBP pleural perfusion chemotherapy for MPE are significantly better than DDP, and its nephrotoxicity and gastrointestinal reactions are remarkably lower than DDP.
Antineoplastic Agents
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adverse effects
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therapeutic use
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Cisplatin
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adverse effects
;
therapeutic use
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Cyclobutanes
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adverse effects
;
therapeutic use
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Humans
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Organoplatinum Compounds
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adverse effects
;
therapeutic use
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Pleural Effusion, Malignant
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drug therapy
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Randomized Controlled Trials as Topic
3.Analysis on safety and preliminary efficacy of dose-modified regimen of 5-fluorouracil plus oxaliplatin and irinotecan (FOLFOXIRI) in advanced colorectal cancer.
Yue CAI ; Ru DENG ; Huabin HU ; Jianwei ZHANG ; Jiayu LING ; Zehua WU ; Liu YANG ; Jianxia LI ; Yanhong DENG
Chinese Journal of Gastrointestinal Surgery 2018;21(9):1045-1050
OBJECTIVETo evaluate the safety and preliminary efficacy of dose-modified regimen of 5-fluorouracil plus oxaliplatin and irinotecan (mFOLFOXIRI) for patients with advanced colorectal cancer (CRC).
METHODSData of 312 CRC patients confirmed by pathology receiving triplet drug alone or combined with target therapy between October 2012 and December 2016 at the Sixth Affiliated Hospital of Sun Yat-sen University were retrospectively analyzed. CRC patients who had previously completed adjuvant therapy (or neoadjuvant therapy) within 6 months or palliative chemotherapy were excluded, meanwhile those with poor general condition (ECOG score > 2) or grade 2 neuropathy and allergy to oxaliplatin were excluded as well. Regimen of mFOLFOXIRI: oxaliplatin 85 mg/m² dissolved in 5% glucose solution 500 ml by intravenous infusion for 2 h; irinotecan 150 to 165 mg/m² dissolved in 0.9% sodium chloride 250 ml by intravenous infusion for 90 min; following intravenous infusion of leucovorin 400 mg/m² for 2 h, day 1; 5-FU 2800 mg/m², 48-h continuous intravenous infusion; once every 2 weeks. Therapy could be combined with a targeted drug, bevacizumab 5 mg/kg every two weeks; cetuximab 500 mg/m² every two weeks. Side effect was graded using the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE 4.0.3). The objective response rate was evaluated according to the Response Evaluation Criteria in Solid Tumors (RECIST 1.1) after administering at least four cycles of chemotherapy.
RESULTSThe median age was 52 years (range 16-73) in the whole group; 113 patients (36.2%) had locally advanced CRC, and 199 (63.8%) had metastatic CRC. Most patients (274/312, 87.8%) did not receive any treatment earlier. There were a total of 1651 chemotherapy cycles in the whole group, with a median of 6(1-19) cycles. Of these 1651 cycles, 124 cycles of chemotherapy(7.5%) were dose-adjusted; 176 cycles of chemotherapy(10.7%) were delayed for median 5(3-13) days; 124 cycles(7.5%) required dose decrease. The overall relative dose intensity was >90%; the specific drug dose intensity was 93.6%(2620 mg×m⁻²×d⁻¹) for fluorouracil, 97.8%(83 mg×m⁻²×d⁻¹) for oxaliplatin, and 94.2%(155 mg×m⁻²×d⁻¹) for irinotecan. Twenty-three patients (7 of intestinal perforation, 7 of intestinal obstruction, 1 of grade 4 hematologic toxicity, and 8 of grade 3 fatigue) refused subsequent chemotherapy due to intolerable toxicity. Main grade 3 or 4 adverse events in patients were neutropenia in 69 cases (22.1%), fatigue in 35 cases (11.2%), and anemia in 28 cases (8.9%). Twenty serious adverse events (6.4%) occurred, including 13 patients of febrile neutropenia (4.2%), 7 patients of intestinal perforation (2.2%, 4 patients in upper rectum, 2 in sigmoid colon, and 1 in transverse colon cancer), and 9 of them had subsequent sepsis (2.9%). All the patients with intestinal perforation underwent emergency operation. No treatment-related deaths occurred. In 199 patients with metastatic CRC, because 22 patients did not receive image evaluation, the preliminary efficacy of 177 patients was actually evaluated. A total of 113 objective response events were observed. The overall response rate was 63.8%(113/177), partial response rate was 61.6%(109/177), clinically complete response rate was 2.3%(4/177), stable disease was 29.9% (53/177), progressive disease was 6.2%(11/177), and the disease control rate was 93.8%(166/177). In 127 patients receiving triplet drug, objective response rate was 40.9% for those with less than four cycles and 81.1% for those with more than four cycles (P<0.001).
CONCLUSIONThe mFOLFOXIRI regimen with reduced dose can be safely used in advanced CRC and has achieved promising results in terms of short-term efficacy.
Adolescent ; Adult ; Aged ; Antineoplastic Combined Chemotherapy Protocols ; administration & dosage ; therapeutic use ; Camptothecin ; administration & dosage ; analogs & derivatives ; Colorectal Neoplasms ; drug therapy ; Fluorouracil ; administration & dosage ; Humans ; Leucovorin ; administration & dosage ; Middle Aged ; Organoplatinum Compounds ; administration & dosage ; Retrospective Studies ; Treatment Outcome ; Young Adult
4.P190Chronic Myeloid Leukemia Following a Course of S-1 Plus Oxaliplatin Therapy For Advanced Gastric Adenocarcinoma.
Hua WANG ; Zhi-Yong WANG ; Chun-Hong XIN ; Ying-Hui SHANG ; Rui JING ; Fa-Hong YAN ; Si-Zhou FENG
Chinese Medical Journal 2017;130(4):495-496
Adenocarcinoma
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complications
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drug therapy
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metabolism
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Aged
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Antineoplastic Agents
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therapeutic use
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Fusion Proteins, bcr-abl
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metabolism
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Humans
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Leukemia, Myelogenous, Chronic, BCR-ABL Positive
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diagnosis
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etiology
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metabolism
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Male
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Organoplatinum Compounds
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therapeutic use
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Stomach Neoplasms
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drug therapy
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metabolism
5.Effect of Tanshinone IIA in Preventing and Treating Oxaliplatin Induced Peripheral Neuropathy.
Kai XU ; Wei-ting CHENG ; Zuo-wei HU ; Wang SHAN
Chinese Journal of Integrated Traditional and Western Medicine 2016;36(5):559-563
OBJECTIVETo observe preventive and therapeutic effects of Tanshinone IIA (T II A) on oxaliplatin induced peripheral neuropathy (OlPN) and to explore its effects on the expression of calcitonin gene related peptide (CGRP) and never growth factor (NGF).
METHODSTotally 36 phase II - III patients with malignant tumor of digestive tract undergoing chemotherapy program with oxaliplatin, were equally assigned to the T II A group (using THA at 80 mg/day 1 day before oxaliplatin chemotherapy for 3 successive days) and the control group (using chemotherapy program with oxaliplatin alone) by segmented randomization. After 4 cycles of chemotherapy, the incidence degree and incidence of OlPN were evaluated. Sensory nerve conduction velocity (SNCV) and motor nerve conduction velocity ( MNCV) were tested by EMG evoked potential device. Serum levels of CGRP and NGF were also detected in the two groups before and after chemotherapy. The correlation of serum levels of CGRP and NGF to OIPN was assessed using linear correlation analysis.
RESULTSAfter chemotherapy the OlPN incidence was 27.8% (5/18 cases) in the T II A group, obviously lower than that in the control group (55.6%, 10/18 cases; P < 0.05). Compared with before treatment in the same group, SNCV and MNCV of common peroneal nerve were slowed down, serum NGF levels decreased, and serum CGRP levels obviously increased in the two groups (all P < 0.05). Compared with the control group after treatment, SNCV and MNCV of common peroneal nerve were obviously accelerated, serum NGF levels increased, and serum CGRP levels obviously decreased in the THA group (all P < 0.05). Results of linear correlation analysis indicated serum NGF level was negatively correlated with peripheral neuropathy (PN), serum CGRP expression was positively correlated with neurotoxicity (P < 0.05).
CONCLUSIONT II A could reduce the incidence of OlPN, which might be associated with inhibiting the expression of CGRP and up-regulating NGF activities.
Calcitonin Gene-Related Peptide ; blood ; Diterpenes, Abietane ; therapeutic use ; Gastrointestinal Neoplasms ; drug therapy ; Humans ; Nerve Growth Factor ; blood ; Neural Conduction ; drug effects ; Organoplatinum Compounds ; adverse effects ; Peripheral Nervous System Diseases ; chemically induced ; drug therapy ; Up-Regulation
6.Study of introperitoneal hyperthermic perfusion chemotherapy combined with systemic neoadjuvent chemotherapy in treatment of gastric cancer patients with peritoneal carcinomatosis.
Daguang WANG ; Yanpeng XING ; YuChen GUO ; Yang ZHANG ; Yujia CHEN ; Jian SUO
Chinese Journal of Gastrointestinal Surgery 2016;19(5):540-544
OBJECTIVEThe aim of this study is to discuss the curative effect of introperitoneal hyperthermic perfusion chemotherapy(IHPC) combined with systemic neoadjuvant chemotherapy on the gastric cancer patients with peritoneal carcinomatosis.
METHODSSixty-four patients with gastric cancer and peritoneal carcinomatosis who were hospitalized in the Department of Gastrointestinal Surgery of First Hospital of Jilin University from December 2006 to December 2013. After peritoneal carcinomatosis was confirmed during laparoscopic exploration, FOLFOX6 (oxaliplatin and calcium folinate and 5-Fu) was performed for systemic chemotherapy. One course was 14 days and a complete treatment includes four courses. At the same time, patients underwent peritoneal catheter insertion and received IHPC(5-Fu 1 500 mg/m(2) and Cisplatin 35 mg/m(2) were added into 0.9% NaCl solution 2 000 ml, the infusion velocity was 35-45 ml/min, infusion time was 45-60 minutes, the temperature was controlled to 41°C). A comprehensive evaluation was taken after the fourth course of treatment before operation. Further surgical therapy was performed according to the assessment result.
RESULTSSixty-four patients received IHPC combined with systemic chemotherapy. Thirty-two patients(50.0%) had partial response, 18(28.1%) stable disease, and 14(21.9%) progressive disease after chemotherapy. No severe complications or death occurred during the neoadjuvant chemotherapy. Thirty-two patients(50.0%) received radical resection, 10(15.6%) palliative operation, and another 22 patients(37.4%) didn't comply with inclusion criteria of operation. Patients receiving operation had a median survival time of 678 days, which was significantly longer than patients without operation, with a median survival time of 251(χ(2)=23.34, P=0.02).
CONCLUSIONSIHPC combined with systemic chemotherapy is an effective therapeutic method for gastric cancer patients with peritoneal carcinomatosis in terms of reducing preoperative tumor load and achieving radical resection.
Antineoplastic Combined Chemotherapy Protocols ; therapeutic use ; Carcinoma ; drug therapy ; Chemotherapy, Cancer, Regional Perfusion ; Cisplatin ; therapeutic use ; Combined Modality Therapy ; Digestive System Surgical Procedures ; Fluorouracil ; therapeutic use ; Humans ; Hyperthermia, Induced ; Laparoscopy ; Leucovorin ; therapeutic use ; Neoadjuvant Therapy ; Organoplatinum Compounds ; therapeutic use ; Peritoneal Neoplasms ; drug therapy ; Peritoneum ; Stomach Neoplasms ; drug therapy ; Treatment Outcome
7.Analysis of risk factors of distant metastasis in rectal cancer patients who received total mesorectal excision following neoadjuvant chemoradiotherapy.
Yanwu SUN ; Pan CHI ; Huiming LIN ; Xingrong LU ; Ying HUANG ; Zongbing XU ; Shenghui HUANG ; Daoxiong YE ; Xiaojie WANG
Chinese Journal of Gastrointestinal Surgery 2016;19(4):436-441
OBJECTIVETo clarify the natural course and explore impact factors of distant metastasis in rectal cancer patients who received total mesorectal excision(TME) following neoadjuvant chemoradiotherapy (CRT).
METHODSBetween Januray 2008 and December 2013, 317 patients with locally advanced rectal cancer who underwent radical surgical resection following neoadjuvant CRT (pre- and postoperative simple fluorouracil or fluorouracil combined with oxaliplatin plus preoperative three dimensional conformal radiotherapy) at Department of Colorectal Surgery in Fujian Medical University Union Hospital were included. Univariate analysis and Cox regression were performed to evaluate the clinicopathological parameters that may be associated with distant metastasis.
RESULTSDuring a median follow-up of 39 months(range 15 - 89 months), 72 patients(22.7%) had disease recurrence, including local recurrence in 8 patients, and distant metastasis in 67 patients (among whom 3 patients had both). Distant metastasis occurred in 86.5%(58/67) patients during the first three years after surgery. The 3-year cumulative distant metastatic rate in all the patients was 22.4%. The 5-year overall survival rate in distant metastatic patient was significantly lower than that of non-distant metastatic patients following neoadjuvant CRT (36.2% vs. 81.2%, P=0.000). Univariate analysis showed that ypT stage (χ(2)=13.304, P=0.010), ypN stage(χ(2)=23.416, P=0.000), ypTNM stage (χ(2)=31.765, P=0.000) and RCRG(χ(2)=16.246, P=0.000) were associated with distant metastasis. Cox regression revealed that ypTNM stage(HR=1.959, 95% CI:1.171 ~ 3.277, P=0.010) was the only independent risk factor of distant metastasis.
CONCLUSIONSDistant metastasis is the early event during the progression in rectal cancer. ypTNM stage is the only independent risk factor of distant metastasis in locally advanced rectal cancer patients who undergo TME following neoadjuvant CRT.
Chemoradiotherapy ; Digestive System Surgical Procedures ; Fluorouracil ; therapeutic use ; Humans ; Neoadjuvant Therapy ; Neoplasm Metastasis ; Neoplasm Recurrence, Local ; Neoplasm Staging ; Organoplatinum Compounds ; therapeutic use ; Rectal Neoplasms ; drug therapy ; pathology ; surgery ; Risk Factors ; Survival Rate
8.Difference analysis of chemotherapy efficacy among different primary tumor sites in metastatic colorectal cancer.
Zhiwei SUN ; Xicheng WANG ; Jun JIA ; Chuanling LIU ; Xiaodong ZHANG ; Lin SHEN
Chinese Journal of Gastrointestinal Surgery 2016;19(10):1119-1123
OBJECTIVETo analyze the relationship between primary tumor location and clinical response of chemotherapy in patients with metastatic colorectal cancer(mCRC).
METHODSClinical data of 721 mCRC patients who received first-line and second-line chemotherapy in Peking University Cancer Hospital between January 1996 and December 2011 were collected. All the patients were divided into 5 groups according to primary tumor location: ileocecum in 61 patients(8.5%), ascending colon or hepatic flexure in 126 patients (17.5%), transverse colon or splenic flexure in 26 patients (3.6%), descending or sigmoid colon in 172 patients (23.9%), rectum in 336 patients (46.6%). Outcomes of chemotherapy were evaluated by Response Evaluation Criteria in Solid Tumors (RECIST, version 1.1), including complete response (CR), partial response (PR), stable disease (SD) and progressive disease (PD). The overall response rate (ORR) was counted with the total number of patients divided by the number of CR+PR. Differences in first-line and second-line chemotherapy efficacy among different primary tumor sites in metastatic colorectal cancer were compared by using Chi-square test.
RESULTSOf the 571 patients receiving first-line chemotherapy, no one patient was classified as CR, while there were 190 as PR (33.3%), 277 as SD (48.5%) and 104 as PD (18.2%), with ORR 33.3% (190/571). The ORRs of patients with primary tumor located at ileocecum, ascending colon or hepatic flexure, transverse colon or splenic flexure, descending or sigmoid colon, rectum were 21.3% (10/47), 35.3% (36/102), 14.3% (3/21), 41.3% (57/138) and 31.9% (84/263), respectively, with statistically significant difference(P = 0.028). Difference of oxaliplatin-based first-line chemotherapy efficacy among different tumor sites was statistically significant(P = 0.009), while differences in irinotecan-based or single-agent 5-fluorouracil chemotherapy efficacy were not statistically significant (all P>0.05). In patients with primary tumor located at transverse colon or splenic flexure, irinotecan-based first-line chemotherapy had higher ORR than oxaliplatin-based or single-agent 5-fluorouracil chemotherapy, and the difference was statistically significant (P=0.042). There was no significant difference in the efficacy of different first-line chemotherapy regimens in patients with primary tumor located at other sites (all P>0.05). Of the 353 patients receiving second-line chemotherapy, no one patient was classified as CR, while there were 43 as PR (12.2%), 187 as SD (53.0%) and 123 as PD (34.8%), with ORR 12.2%(43/353). The ORRs of patients with primary tumor located at the ileocecum, the ascending colon or the hepatic flexure, the transverse colon or the splenic flexure, the descending or sigmoid colon, the rectum were 4.2%(1/24), 12.1%(8/66), 8.3%(1/12), 15.2%(12/79) and 12.3%(21/171) respectively, without statistically significant difference (P=0.686). Differences in second-line chemotherapy efficacy with the same regimen among different tumor sites were not statistically significant, and there were also no significant differences of efficacy of different second-line chemotherapy regimens in patients with the same tumor site (all P>0.05).
CONCLUSIONThere are differences in first-line chemotherapy efficacy among different primary tumor sites in metastatic colorectal cancer, while their second-line chemotherapy efficacy is equivalent.
Aged ; Antineoplastic Combined Chemotherapy Protocols ; therapeutic use ; Camptothecin ; analogs & derivatives ; Colon, Sigmoid ; Colon, Transverse ; Colorectal Neoplasms ; drug therapy ; Female ; Fluorouracil ; therapeutic use ; Humans ; Male ; Middle Aged ; Organoplatinum Compounds ; therapeutic use ; Rectum ; Retrospective Studies
9.Application study on regional infusion chemotherapy by celiac trunk during operation in advanced gastric cancer patients.
Xiaolan YOU ; Haixin QIAN ; Lei QIN ; Yuanjie WANG ; Wenqi LI ; Yanjun LIAN ; Xiaojun ZHAO ; Ning XU ; Chuanjiang HUANG ; Zhiyi CHEN ; Guiyuan LIU
Chinese Journal of Gastrointestinal Surgery 2016;19(9):1044-1048
OBJECTIVETo explore the feasibility, safety and efficacy of intraoperative regional infusion chemotherapy by celiac trunk in advanced gastric cancer patients.
METHODSOne hundred and twenty-six patients with advanced gastric cancer(stageII(-III() were screened from database of Gastrointestinal Surgery Department of Taizhou People's Hospital between January 2008 and December 2010 who underwent R0 resection and D2 lymphadenectomy, received postoperative chemotherapy(XELOX or FOLFOX), and had complete follow-up data. They were divided into infusion chemotherapy group (65 cases) and control group (61 cases) according to regional infusion chemotherapy or not (fluorine 1 000 mg and cisplatin 60 mg). The side effects of chemotherapy, parameters related to the operation, long-term survival and relapse rate were compared between the two groups.
RESULTSThe baseline data between the two groups were comparable(all P>0.05). Postoperative III( and IIII( adverse reaction of chemotherapy was not significantly different between the two groups (P>0.05). The time of postoperative intestinal function recovery [(67.9±14.8) hours vs. (68.9±15.0) hours, t=-0.380, P=0.705), volume of postoperative 1-week drainage [(66.1±17.1) ml vs.(61.9±18.2) ml, t=1.478, P=0.142], recent morbidity of complications[55.4%(36/65) vs. 49.2%(30/61), χ=0.256, P=0.613], and the long-term morbidity of complications [16.9% (11/65) vs. 14.8% (9/61), χ=0.111, P=0.739] were all not significantly different between the two groups. The 3-year survival rate and 3-year relapse-free survival rate in infusion chemotherapy group were significantly higher than those in control group(58.4% vs. 37.7%, χ=5.382, P=0.020; 58.4% vs. 34.4%, χ=6.636, P=0.010).
CONCLUSIONRegional infusion chemotherapy by celiac trunk during operation for advanced gastric cancer patients is safe and feasible, and can reduce the risk of local recurrence and improve survival rate.
Antineoplastic Combined Chemotherapy Protocols ; therapeutic use ; Celiac Artery ; Chemotherapy, Cancer, Regional Perfusion ; adverse effects ; methods ; mortality ; Cisplatin ; administration & dosage ; adverse effects ; therapeutic use ; Deoxycytidine ; analogs & derivatives ; therapeutic use ; Disease-Free Survival ; Fluorine ; administration & dosage ; adverse effects ; therapeutic use ; Fluorouracil ; analogs & derivatives ; therapeutic use ; Gastrectomy ; Humans ; Leucovorin ; therapeutic use ; Lymph Node Excision ; Neoplasm Recurrence, Local ; prevention & control ; Organoplatinum Compounds ; therapeutic use ; Postoperative Complications ; Recovery of Function ; Stomach Neoplasms ; drug therapy ; mortality ; surgery ; Survival Rate
10.Short-term efficacy comparison between preoperative three dimensional conformal radiotherapy and volumetric modulated arc therapy concurrently combined with chemotherapy in the treatment of locally advanced rectal carcinoma.
Lin XIAO ; Xin YU ; Yujia ZHU ; Weiwei XIAO ; Zhifan ZENG ; Mengzhong LIU ; Rong ZHANG ; Yuanhong GAO
Chinese Journal of Gastrointestinal Surgery 2016;19(7):769-775
OBJECTIVETo compare the short-term efficacy and treatment-related adverse reaction between preoperative three dimensional conformal radiotherapy (3D-CRT) and volumetric modulated arc therapy (VMAT) concurrently combined with chemotherapy in the treatment of locally advanced rectal carcinoma (LARC).
METHODSClinical data of 334 patients with LARC undergoing preoperative 3D-CRT(172 cases) or VMAT(162 cases) with concurrent Xelox chemotherapy (main protocol: capecitabine plus oxaliplatin) and surgery in Sun Yat-sen University Cancer Center from May 2007 to April 2013 were retrospectively analyzed. The total radiation dose of VMAT group was: 50 Gy/2.0 Gy per fraction ×23 fractions for planning target volume 1(PTV1) and 46 Gy/1.84 Gy per fraction ×25 fractions for PTV2; the total radiation dose of 3D-CRT group was: 46 Gy/2.0 Gy per fraction ×23 fractions for PTV. The treatment-related adverse reaction of both groups during chemoradiotherapy was measured according to the criteria of Common Terminology Criteria for Adverse Events v3.0 (CTCAE 3.0). Rate of adverse reaction and short-term efficacy between 3D-CRT and VMAT group were compared, in terms of radiotherapy break, hematological and non-hematological toxicity, average duration of surgery and perioperative hospitalization, intraoperative blood loss, surgical procedures, R0 excision, sphincter preservation, postoperative complications, pathological complete response (pCR), and postoperative pathological staging.
RESULTSThere were no significant differences in baseline clinical parameters between 3D-CRT and VMAT group (all P>0.05), except for the distance from lower tumor margin to anal verge (P=0.009). The median radiation dose for all the patients was 46 (45 to 70) Gy. There was no significant difference in the rate of radiotherapy cessation between 3D-CRT and VMAT group [1.7%(3/172) vs. 1.2%(2/162), P=1.000]. During concurrent chemotherapy, incidences of grade 2 to 3 hematological toxicities, grade 2 diarrhea, and grade 3 non-hematological toxicities were not significantly different(all P>0.05), while in grade 2 non-hematological toxicities, ratio of radiodermatitis and hand-foot syndrome was higher in VMAT group as compared to 3D-CRT group [25.9%(42/162) vs. 10.5%(18/172), P=0.000; 3.7%(6/162) vs. 0, P=0.012]. There was no grade 4 adverse event in both groups. Surgical procedure, average duration of surgery, R0 excision, anus preservation, postoperative complications, pCR, and postoperative pathological staging were not significantly different(all P>0.05). As compared to 3D-CRT group, VMAT group had less intraoperative blood loss [(114.6±100) ml vs. (169±143.9) ml, P<0.001] and shorter perioperative hospitalization [16(8 to 84) d vs. 20(10 to 47) d, P<0.001]. There was no death case in two groups within 30 days after operation.
CONCLUSIONSCompared with 3D-CRT technique, preoperative VMAT technique can not significantly reduce the incidence of treatment-related adverse reaction and improve the short-term efficacy in the treatment of LARC.
Antineoplastic Combined Chemotherapy Protocols ; therapeutic use ; Chemoradiotherapy ; Deoxycytidine ; analogs & derivatives ; therapeutic use ; Female ; Fluorouracil ; analogs & derivatives ; therapeutic use ; Humans ; Male ; Middle Aged ; Organoplatinum Compounds ; Radiotherapy Dosage ; Radiotherapy Planning, Computer-Assisted ; Radiotherapy, Conformal ; Radiotherapy, Intensity-Modulated ; Rectal Neoplasms ; radiotherapy ; Retrospective Studies

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