Dataset Information

Apatinib plus 5-fluorouracil as a third or subsequent-line treatment option for metastatic colorectal cancer: a phase-II, single-arm, prospective study.

ABSTRACT:

Background

For metastatic colorectal cancer (mCRC) patients for whom at least 2 lines of previous standard therapies have failed, the prognosis is often unfavorable due to very limited subsequent treatment options. We sought to explore the efficacy of apatinib, an oral small-molecule vascular endothelial growth factor receptor-2 inhibitor, plus 5-fluorouracil (5-FU) as a third- or subsequent-line treatment for mCRC.

Methods

In this phase-II, single-arm, prospective study, the eligible patients had been histologically confirmed to have adenocarcinoma of the colon or rectum for which at least 2 previous regimens of standard therapies had failed. All the patients were treated with a daily dose of 250 mg of apatinib, in combination with capecitabine, Tegafur Gimeracil Oteracil Potassium Capsule (S-1), or 5-FU, until disease progression, unacceptable toxicity, or consent withdrawal.

Results

From June 2017 to April 2018, 16 patients were enrolled in this study. Among them, 4 achieved partial response, 7 had stable disease, and 5 had progression disease, resulting in an objective response rate of 25.00% [95% confidence interval (CI): 7.27-52.38%], and a disease control rate of 68.75% (95% CI: 41.34-88.98%). The median progression-free survival (PFS) was 4.83 months (95% CI: 2.17-8.90 months), and the median overall survival (OS) was 9.10 months (95% CI: 5.59-15.18 months). The common treatment-related adverse events (AEs) were hand-foot syndrome (56.25%), hypertension (37.50%), proteinuria (37.50%), gingival bleeding (18.75%) and abdominal pain (18.75%). Grade 3 AEs, including hand-foot syndrome (18.75%), hypertension (12.50%), and proteinuria (12.50%), were observed in 7 patients.

Conclusions

The combination regimen of apatinib plus 5-FU had encouraging anti-tumor efficacy, and is a feasible third- or subsequent-line treatment option for mCRC.

Trial registration

ClinicalTrials.gov Identifier: NCT03210064.

SUBMITTER: Chen R

PROVIDER: S-EPMC8848367 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature

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Publications

Apatinib plus 5-fluorouracil as a third or subsequent-line treatment option for metastatic colorectal cancer: a phase-II, single-arm, prospective study.

Chen Runzhi R Yang Liu L Hu Sheng S Yin Zhusheng Z Nie Yanli Y Xu Hongli H Zhong Yi Y Zhu Yuze Y Liang Xinjun X Xu Huiting H

Annals of translational medicine 20220101 2

<h4>Background</h4>For metastatic colorectal cancer (mCRC) patients for whom at least 2 lines of previous standard therapies have failed, the prognosis is often unfavorable due to very limited subsequent treatment options. We sought to explore the efficacy of apatinib, an oral small-molecule vascular endothelial growth factor receptor-2 inhibitor, plus 5-fluorouracil (5-FU) as a third- or subsequent-line treatment for mCRC.<h4>Methods</h4>In this phase-II, single-arm, prospective study, the elig ...[more]

PMID: 35282086

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Project description:LESSONS LEARNED:Patients with metastatic colorectal cancer with good performance status or no liver metastasis could benefit from apatinib.Circulating tumor DNA abundance may be a predictor in serial monitoring of tumor load. BACKGROUND:Apatinib, an oral vascular endothelial growth factor (VEGF) receptor-2 inhibitor, has been approved as third-line treatment for metastatic gastric cancer in China. The aim of this study was to evaluate the efficacy and safety of apatinib, in the treatment of patients with refractory metastatic colorectal cancer after failure of two or more lines of chemotherapy. METHODS:In this open-label, single-arm, phase II study, patients with histological documentation of adenocarcinoma of the colon or rectum were eligible if they had received at least two prior regimens of standard therapies including fluoropyrimidine, oxaliplatin, and irinotecan. These patients were treated with apatinib in a daily dose of 500 mg, p.o., in the third-line or higher setting. Capture sequencing was dynamically performed to identify somatic variants in circulating tumor DNA (ctDNA) with a panel of 1,021 cancer-related genes. The primary endpoint was progression-free survival (PFS) and the tumor response was determined according to the Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1. Interim analysis was applied as predefined. RESULTS:From June 1, 2016 to December 31, 2017, 26 patients were enrolled. The median PFS of the whole group was 3.9 months (95% confidence interval [CI]: 2.1-5.9). The median overall survival (OS) was 7.9 months (95% CI: 4.6-10.1+). Patients with performance status (PS) 0-1 had longer PFS than those with PS 2 (4.17 months vs. 1.93 months, p = .0014). Patients without liver metastasis also had longer PFS than those who had live metastasis (5.87 months vs. 3.33 months, p = .0274). The common side effects of apatinib were hypertension, hand-foot syndrome, proteinuria, and diarrhea. The incidence of grade 3-4 hypertension, hand-foot syndrome, proteinuria, and diarrhea was 76.92%, 11.54%, 73.08%, and 23.08%, respectively. All of the patients received dose reduction because of adverse effect. Results of capture sequencing showed APC, TP53, and KRAS were most frequently mutant genes. ctDNA abundance increased before the radiographic assessment in ten patients. CONCLUSION:Apatinib monotherapy showed promising efficiency for patients with refractory colorectal cancer, especially in patients with PS 0-1 or no liver metastasis. ctDNA abundance may be a predictor in serial monitoring of tumor load.

Project description:PurposeImmune checkpoint inhibitors combined with antiangiogenic therapy reportedly have potential synergistic antitumor activity. We investigated the activity and safety of this regimen for recurrent/metastatic nasopharyngeal carcinoma (NPC).MethodsThis single-arm, Simon two-stage study enrolled patients with recurrent/metastatic NPC who were refractory to at least first-line systemic therapy and treatment-naive to immune checkpoint inhibitors. The patients received camrelizumab 200 mg once every 3 weeks and apatinib 250 mg once per day. The primary end point was the objective response rate. Key secondary end points included disease control rate, progression-free survival, duration of response, overall survival, and safety.ResultsBetween October 14, 2020, and December 23, 2021, 58 patients were enrolled, and all were included in the efficacy and safety analysis set. The objective response rate was 65.5% (95% CI, 51.9 to 77.5), and the disease control rate was 86.2% (95% CI, 74.6 to 93.9). The median duration of response was not reached, and the median progression-free survival was 10.4 months (95% CI, 7.2 to 13.6), with a median follow-up duration of 12.4 months (range, 2.1-19.9 months). Treatment-related adverse events (TRAEs) of grade 3 or higher were reported in 34 (58.6%) patients, with the most common being hypertension (19.0%), nasopharyngeal necrosis (15.5%), headache (12.1%), AST elevation (10.3%), and creatine phosphokinase elevation (10.3%). Sixteen (27.6%) patients discontinued apatinib treatment before progression because of unbearable TRAEs, and the most common complication was nasopharyngeal necrosis (9/16; 56.3%). Recurrent nasopharyngeal lesions (odds ratio, 5.94 [95% CI, 1.45 to 24.24]) and reirradiation (odds ratio, 5.33 [95% CI, 1.15 to 24.79]) were significantly positively correlated with nasopharyngeal necrosis.ConclusionCamrelizumab plus apatinib had promising antitumor activity in patients with refractory recurrent/metastatic NPC who failed first-line therapy. Moderate to severe TRAEs were experienced by 58.6%, including nasopharyngeal necrosis associated with local recurrence and a history of reirradiation.

Dataset Information

Apatinib plus 5-fluorouracil as a third or subsequent-line treatment option for metastatic colorectal cancer: a phase-II, single-arm, prospective study.

Background

Methods

Results

Conclusions

Trial registration

Publications

Apatinib plus 5-fluorouracil as a third or subsequent-line treatment option for metastatic colorectal cancer: a phase-II, single-arm, prospective study.

Similar Datasets

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