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Objective
Platinum-based chemotherapy in combination with radiotherapy is a standard treatment strategy for locoregionally advanced nasopharyngeal carcinoma (NPC). This study aimed to investigate the long-term efficacy and tolerability of inductive chemotherapy with docetaxel plus carboplatin (TC) or 5-fluorouracil plus carboplatin (FC) followed by...
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Introduction
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Citations
... Nasopharyngeal carcinoma (NPC) is a common head and neck cancer. Owing to its sensitivity to radiation, radiotherapy is the most important method used to treat NPC (1,2). Since the site where NPC occurs usually has limited space and the head and facial nerve distribution is widespread, there are only limited treatments for NPC. ...
The aim of the study was to investigate the effect of three-dimensional conformal radiation therapy (3D-CRT) on nasopharyngeal carcinoma (NPC) and the incidence of complications. Between May 2010 and June 2012, 141 patients diagnosed with local recurrence of NPC due to cranial base lesions or cranial nerve symptoms, confirmed by pathology biopsy and/or by CT/MRI, were included in the present study. In accordance with the principle of randomized control, the patients were divided into three groups and treated with three different doses of 3D-CRT. The planned radiotherapy doses of 3D-CRT were 58/1.8-2 Gy, 62/1.8-2 Gy and 68/1.8-2 Gy, respectively. The survival rate, disease-free survival (DFS) rate and local control rate of the three groups of patients were compared as well as the adverse reactions observed after radiotherapy. The prognoses of NPC patients were analyzed by univariate and multivariate analyses. The follow-up rate of the study was 100%. The 5-year overall survival, DFS, and locoregional recurrence-free survival rates were: 43.2 vs. 64.53 vs. 75%, 29.13 vs. 42.82 vs. 39.7% and 30.76 vs. 44.19 vs. 45.4%, respectively. In addition, 62/1.8-2 Gy was similar in treatment effects to 68/1.8-2 Gy, but 68/1.8-2 Gy showed more adverse reactions than 62/1.8-2 Gy. Thus, 62/1.8-2 Gy can be used as a safe and effective dose for 3D-CRT treatment of NPC. Univariate and multivariate analyses showed that age may be the main prognostic factor of patients with NPC. In conclusion, 3D-CRT with a dose of 62/1.8-2 Gy is a safe, effective and tolerable treatment for NPC patients with good clinical value.
... 22 In the multicenter prospective study, there was no statistically significant difference for the 3-year OS, LRFS, RRFS, DFFS and PFS in experimental group adopted NCT with DOC plus NDP followed by concomitant NDP and IMRT compared to control group where NDP was replaced by cisplatin, and patients showed good tolerance and compliance with a manageable toxicity profile to the regimen of NCT with DOC plus NDP followed by concomitant NDP and IMRT. 23 to PF (84.5% vs 77.9%, P=0.380) with a minimum of 2 years follow-up was observed, and the treatment efficacy of PF is not superior to TPF in patients with locoregionally advanced NPC. 24 This study showed the similar efficacy for NCT with DOC plus carboplatin (TC) or 5-FU plus carboplatin (FC) in treating locally advanced NPC. 25 Recently, a Phase III, multicenter, randomized controlled trial indicated that failurefree survival was improved significantly by the addition of NCT with cisplatin, fluorouracil and DOC (TPF) to CCRT in locoregionally advanced NPC with acceptable toxicity. 10 It might be a reasonable approach with the addition of NCT to CCRT, and we need more work to confirm the effects. ...
Purpose
Whether neoadjuvant chemotherapy (NCT) followed by concurrent chemoradiotherapy (CCRT) could improve survival in nasopharyngeal carcinoma (NPC) remains controversial especially in the era of intensity-modulated radiation therapy (IMRT), and we explored the role of NCT for NPC patients.
Patients and methods
A retrospective review was conducted of 255 NPC patients treated with NCT+CCRT (n=67) or CCRT alone (n=188) based on IMRT between December 2006 and December 2012. To control the imbalance, a 1:2 match was performed using propensity score matching (PSM) method based on patient’s heterogeneity and regimens of concurrent chemotherapy (CCT). The long-term treatment outcomes and toxicity between NCT group (n=67) and concurrent chemoradiotherapy (CRT) group (n=134) after PSM were compared.
Results
The 5-year overall survival (OS), progression-free survival (PFS), recurrence-free survival (RFS), local recurrence-free survival (LRFS), regional recurrence-free survival (RRFS) and distant failure-free survival (DFFS) were 78.8%, 69.1%, 90.0%, 90.0%, 100% and 78.3% for NCT group, while 79.5%, 75.7%, 92.7%, 94.2%, 96.1% and 82.7% for CRT group (P=0.305, 0.448, 0.790, 0.512, 0.104 and 0.671). It indicated that the treatment method (NCT+CCRT vs CCRT) was not the independent prognostic factor for the survival in NPC patients, and only patients who had completed at least two cycles of CCT got better OS, RFS and DFFS (P=0.009, 0.016 and 0.043), whether to receive NCT or not. No difference in the incidences of any acute and most late toxicity between the two groups was shown.
Conclusion
Our study did not show the exact advantage of NCT followed by CCRT compared with CCRT alone or higher incidences of toxicity in NCT group. It suggests that NCT might not be necessary if two or more cycles of CCT are finished well in the era of IMRT, and when NCT is finished well, less than two cycles of CCT with IMRT could be enough. However, in the era of IMRT, the role of NCT still needs to be further explored.
Background
Adding induction chemotherapy to concurrent platinum-based chemoradiotherapy has significantly prolonged the survival time of patients with locoregionally advanced nasopharyngeal carcinoma. In this study, we intend to evaluate the survival outcomes, responses, and incidences of toxicities of induction chemotherapy and the differences between different strategies.
Methods
A comprehensive search was conducted in PubMed, Embase, Web of Science, and Cochrane CENTRAL on August 10, 2021. Single-arm or multi-arm prospective clinical trials on induction chemotherapy without targeted therapies or immune checkpoint inhibitors were included. Primary outcomes included survival outcomes, objective response rate, and disease control rate, and the secondary outcome was the rates of grade 3 or higher treatment-related adverse events.
Results
The 39 studies included in the systematic review and meta-analysis comprised 36 clinical trials and 5389 patients. The estimates for 3-year overall and fail-free survival rates were 87% and 77%. The estimates for 5-year rates of overall and fail-free survival were 81% and 73%. Gemcitabine plus platinum and docetaxel combined with 5-fluorouracil plus platinum strategies were associated with the highest rates of 3-year and 5-year overall survival. The objective response and disease control rates were 85% and 98% after the completion of induction chemotherapy. Neutropenia (27%) and nausea/vomiting (7%) were the most common grade 3 or higher treatment-related hematological and non-hematological adverse events during the induction phase.
Conclusions
Different induction chemotherapeutic strategies appear to have varying effects and risks; a comprehensive summary of the survival outcomes, responses, and toxicities in clinical trials may provide a crucial guide for clinicians.
In this retrospective review of a single institution's experience, the efficacy and safety of the long-term use of nimotuzumab in combination with intensity-modulated radiotherapy (IMRT) and chemotherapy in the treatment of locally advanced nasopharyngeal carcinoma (NPC) were studied. Between August 2008 and March 2014, 39 newly diagnosed patients with stage III–IV NPC were treated with IMRT, chemotherapy, and nimotuzumab. Twenty patients were diagnosed with stage III (51.3%), 14 with stage IVA (35.9%), and 5 with stage IVB (12.8%) disease. All patients received at least one cycle of cisplatin-based induction chemotherapy followed by IMRT and more than nine cycles of nimotuzumab at 200 mg/week. Acute and late radiation-related toxicities were graded according to the Acute and Late Radiation Morbidity Scoring Criteria of the Radiation Therapy Oncology Group. Accumulated survival was calculated according to the Kaplan-Meier method. The log-rank test was used to compare survival differences. With a median follow-up of 46 months (range, 22-86 months), the estimated 3-year local recurrence-free, regional recurrence-free, distant metastasis-free, progression failure-free, and overall survival rates were 92.1%, 89.7%, 82.5%, 77.6%, and 86.8%, respectively. Univariate analysis showed that clinical stage and the cycle of induction chemotherapy were related with prognosis. The median cycle for the addition of nimotuzumab was 12 weeks. Grade 3 radiation-induced mucositis was observed in 15.8% of the treated patients. No skin rash or infusion reaction were observed, which is distinctly different from what was reported in patients treated with nimotuzumab. The major toxicities observed were grades I-II mucositis and leukocytopenia. Long-term use of nimotuzumab plus IMRT showed promising outcomes in terms of locoregional control and survival, without increasing the incidence of radiation-related toxicities in patients.
In this retrospective review of a single institution's experience, the efficacy and safety of the long-term use of nimotuzumab in combination with intensity-modulated radiotherapy (IMRT) and chemotherapy in the treatment of locally advanced nasopharyngeal carcinoma (NPC) were studied. Between August 2008 and March 2014, 39 newly diagnosed patients with stage III–IV NPC were treated with IMRT, chemotherapy, and nimotuzumab. Twenty patients were diagnosed with stage III (51.3%), 14 with stage IVA (35.9%), and 5 with stage IVB (12.8%) disease. All patients received at least one cycle of cisplatin-based induction chemotherapy followed by IMRT and more than nine cycles of nimotuzumab at 200 mg/week. Acute and late radiation-related toxicities were graded according to the Acute and Late Radiation Morbidity Scoring Criteria of the Radiation Therapy Oncology Group. Accumulated survival was calculated according to the Kaplan-Meier method. The log-rank test was used to compare survival differences. With a median follow-up of 46 months (range, 22–86 months), the estimated 3-year local recurrence-free, regional recurrence-free, distant metastasis-free, progression failure-free, and overall survival rates were 92.1%, 89.7%, 82.5%, 77.6%, and 86.8%, respectively. Univariate analysis showed that clinical stage and the cycle of induction chemotherapy were related with prognosis. The median cycle for the addition of nimotuzumab was 12 weeks. Grade 3 radiation-induced mucositis was observed in 15.8% of the treated patients. No skin rash or infusion reaction were observed, which is distinctly different from what was reported in patients treated with nimotuzumab. The major toxicities observed were grades I-II mucositis and leukocytopenia. Long-term use of nimotuzumab plus IMRT showed promising outcomes in terms of locoregional control and survival, without increasing the incidence of radiation-related toxicities in patients.
