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Irinotecan plus fluorouracil-based regimen as second or third-line chemotherapy for recurrent or metastatic esophageal squamous cell carcinoma.

ABSTRACT: No standard second-line regimen exists for the treatment of advanced esophageal squamous cell carcinoma (ESCC). The aim of this study was to evaluate the efficacy and safety of irinotecan and fluorouracil-based chemotherapy as a second or third-line regimen for advanced ESCC patients.We retrospectively reviewed a cohort of 27 consecutive patients with advanced ESCC in one institute, treated with a combination of irinotecan plus fluorouracil-based regimens after the failure of first-line platinum-based therapy. Nine patients were treated with 150-160 mg/m(2) irinotecan and 400 mg/m(2) fluorouracil (5-FU) on day 1, followed by 2000 mg/m(2) 5-FU during a 48-hour infusion every two weeks. Eighteen patients received 150-160 mg/m(2) irinotecan on day 1 and 80-120 mg/day S-1 on days 1-10 every two weeks. The S-1 dose was based on the patients' body surface area.Twenty-four of the 27 patients were assessable for response. One (3.7%) patient achieved complete response, seven (25.9%) achieved partial response, eight (29.6%) had stable disease, and eight (29.6%) had progressive disease. The median progression-free and overall survival were 4.8 (95% confidence interval [CI]: 1.2-8.4) and 10.5 months (95% CI: 8.4-12.7), respectively. Grade 3 neutropenia and diarrhea were detected in four (15%) and one (4%) patient, respectively. No grade 4 toxicity was noted.Our study indicates that an irinotecan plus 5-FU-based regimen is effective and well-tolerated as a second or third-line chemotherapy for patients with advanced ESCC.

SUBMITTER: Wang X

PROVIDER: S-EPMC4773301 | biostudies-other | 2016 Mar

REPOSITORIES: biostudies-other

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Project description:IntroductionLiposomal irinotecan (nal-IRI) plus fluorouracil/leucovorin (5-FU/LV) has shown clinical benefit in patients with metastatic pancreatic adenocarcinoma (mPAC) who progressed on gemcitabine-based chemotherapy. However, its role in patients with mPAC previously treated with conventional irinotecan-containing chemotherapy has not been appropriately investigated.MethodsIn this retrospective analysis, patients with mPAC who received nal-IRI plus 5-FU/LV after conventional irinotecan-containing regimen between January 2017 and March 2020, were identified from two referral cancer centers in South Korea. The ratio of time to progression (TTP) with nal-IRI plus 5-FU/LV to TTP with conventional irinotecan (TTPr) was analyzed with respect to the duration and cumulative dose of conventional irinotecan treatment.ResultsIn total, 35 patients treated with nal-IRI plus 5-FU/LV after the irinotecan-containing regimen were analyzed. The median age was 58 years and 16 (46%) patients were male. The median duration of conventional irinotecan therapy was 4.6 months at a median cumulative dose of 1230 mg. The objective response rate of nal-IRI plus 5-FU/LV was 2.9%, and stable disease was achieved in 11 (31.4%) patients. During the median follow-up of 9.2 [95% confidence interval (CI): 7.8-10.5] months, the median progression-free survival (PFS) and overall survival (OS) were 2.0 (95% CI: 1.4-2.6) months and 4.4 (95% CI: 3.6-5.7) months, respectively. The 6-month PFS and OS rates were 16.3% and 37.5%, respectively. The median TTPr was 0.41 (range, 0.07-2.07), showing a negative correlation with the cumulative dose of prior irinotecan therapy (R = -0.37, p = 0.041). A tentative negative correlation between TTPr and duration of prior irinotecan therapy was observed (R = -0.35, p = 0.062). The most common grade 3-4 toxicities were neutropenia (20%) and fatigue (8.6%).ConclusionNal-IRI plus 5-FU/LV showed modest effectiveness and manageable toxicities for patients with mPAC previously treated with conventional irinotecan-containing chemotherapy. The cumulative dose of prior conventional irinotecan therapy may be inversely correlated with the effectiveness of nal-IRI plus 5-FU/LV.

Project description:PURPOSE:This trial aimed to assess the efficacy and safety of the paclitaxel plus fluorouracil regimen versus the cisplatin plus fluorouracil regimen in definitive concurrent chemoradiotherapy (dCRT) in patients with locally advanced esophageal squamous cell carcinoma (ESCC). PATIENTS AND METHODS:Patients with locally advanced ESCC were enrolled and randomly assigned to either the paclitaxel plus fluorouracil group or the cisplatin plus fluorouracil group. The patients in the paclitaxel plus fluorouracil group were treated with paclitaxel and fluorouracil one cycle per week in dCRT for five cycles followed by paclitaxel and fluorouracil one cycle per month in consolidation chemotherapy for two cycles. The patients in the cisplatin/5-fluorouracil group were treated with cisplatin and fluorouracil one cycle per month in dCRT for two cycles followed by two cycles in consolidation chemotherapy. The radiotherapy dose was 61.2 Gy delivered in 34 fractions. The primary end point was 3-year overall survival (OS). RESULTS:Four hundred thirty-six patients with ESCC in six centers were recruited at a 1:1 ratio between April 2012 and July 2015. The median follow-up of the surviving patients was 48.7 months (interquartile range, 42.6-60.9). The 3-year OS was 55.4% in the paclitaxel plus fluorouracil group and 51.8% in the cisplatin plus fluorouracil group (hazard ratio, 0.905 [95% CI, 0.698 to 1.172]; P = .448). The 3-year progression-free survival was also not significantly different between the paclitaxel plus fluorouracil group and the cisplatin plus fluorouracil group (43.7% v 45.5%, respectively; hazard ratio, 0.973 [95% CI, 0.762 to 1.243]; P = .828). Compared with the cisplatin plus fluorouracil group, the paclitaxel plus fluorouracil group had significantly lower incidences of acute grade 3 or higher anemia, thrombocytopenia, anorexia, nausea, vomiting, and fatigue (P < .05), but higher incidences of acute grade 3 or higher leukopenia, radiation dermatitis, and radiation pneumonitis (P < .05). CONCLUSION:The paclitaxel plus fluorouracil regimen did not significantly prolong the OS compared with the standard cisplatin plus fluorouracil regimen in dCRT in patients with locally advanced ESCC.

Project description:The care of metastatic colorectal cancers is based on combination chemotherapies including 5-fluorouracil, oxaliplatin, irinotecan, and monoclonal antibodies targeting the epidermal growth factor receptor or vascular endothelial growth factor. The regimen is determined based on the patient's molecular biology and general condition. Irinotecan bifractionation showed efficacy in chemorefractory patients in a previous study, FOLFIRI-3, but a desynchronized triplet has never been tested. The aim of bFOLFIRINOX-3 is to determine the safety, tolerance, and efficacy of a new regimen (FOLFIRINOX-3 bevacizumab) in chemorefractory patients. The aim of this study was to evaluate the safety and efficacy of FOLFIRINOX-3 bevacizumab in chemorefractory metastatic colorectal cancer (mCRC). A standard phase I, "3 + 3" design study was performed. The standard protocol comprised simplified FOLFOX 4 (folinic acid 400 mg/m2), 5-fluorouracil (a 400 mg/m2 bolus followed by 2400 mg/m2 for 46 h), oxaliplatin (85 mg/m2) and irinotecan (administered before and after 5-fluorouracil infusion), plus bevacizumab (5 mg/kg). In a "3 + 3" design, three different doses of irinotecan were tested: 60, 70 and 90 mg/m2. The primary endpoint was the maximum tolerable dose (MTD) of irinotecan. The secondary endpoints included the objective response (at 8 and 16 weeks) according to the RECIST 1.1 criteria and progression free survival. Thirteen patients were enrolled, and twelve patients were finally evaluated for dose-limiting toxicity (DLT). The dose level defined was 70 mg/m2 irinotecan. A total of three DLTs were observed (grade 3 diarrhea): two DLTs at the 90 mg/m2 dose level and one at the 70 mg/m2 dose level. The most frequently described adverse events were asthenia (93%), diarrhea (77%), nausea (62%) and peripheral sensory neuropathy (46%). The most frequent biological event was thrombopenia (54%). Regarding efficacy, among the 11 evaluable patients, no progression was observed at 8 weeks, and the partial response rate was 18.2%. At 16 weeks, a partial response rate of 27.3% was observed, and five patients had a stable disease. The new regimen of bFOLFIRINOX-3 with irinotecan at 70 mg/m2 was well tolerated. In chemorefractory patients, this protocol shows a high response rate.

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Irinotecan plus fluorouracil-based regimen as second or third-line chemotherapy for recurrent or metastatic esophageal squamous cell carcinoma.

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