调强放疗联合NP方案同步与序贯治疗中晚期非小细胞肺癌的疗效观察

Objective： To evaluate the clinical effects of concurrent and sequential therapy for middle and advanced stage non-small cell lung cancer （NSCLC） useing IMRT combined with NP regimen chemotherapy. Methods： Eighty patients with middle and advanced stage NSCLC were randomized into two groups. Forty patients were underwent sequential therapy and other 40 patients were underwent concurrent therapy. IMRT was used in radiotherapy and NP regimen of vinorelbine＋cispatin （NP） was used in chemotherapy. Results： （1） The overall response （CR＋PR） rate was 75% in concurrent group and 45% in sequential group （P〈0.05）; （2） The treatment courses were 84 days and 140 days for concurrent group and sequential group respectively （P〈0.05）; （3） One-year survival rate in concurrent group was 72.4% and 52.3% in sequential group respectively; （4） The toxic effects can be tolerable by all of patients. Conclusion： The concurrent chemo-radiotherapy has better overall response, one-year survival rate and shorter treatment course than the sequential chemo-radiotherapy, so it is a better method for the treatment of middle and advanced stage NSCLC, but the long term survival rate will be studied.     

不能手术的Ⅲ期非小细胞肺癌患者每周紫杉醇和卡铂并同步放疗的诱导化疗:一个Ⅱ期研究结果(英文)

Objective: several trials have suggested the superiority of concurrent chemoradiotherapy. It has been hypothesized that the addition of systemic dose sequential chemotherapy to concurrent chemoradiotherapy, as induction or as consolidation, might further improve survival rates. So we sought to evaluate the safety and efficacy of induction paclitaxel and carboplatin followed by weekly paclitaxel and carboplatin with concurrent radiotherapy in inoperable stage Ⅲ non-small cell lung cancer (NSCLC). Methods: Fifty-six patients with stage Ⅲ inoperable NSCLC received induction chemotherapy with 2 cycles of paclitaxel 200 mg/m2 and carboplatin AUC-6 every 3 weeks then patients were assigned to concurrent chemoradiotherapy with paclitaxel 45 mg/m2 and carboplatin AUC-2 weekly along with concurrent radiotherapy at dose of 60 Gy (1.8 Gy/d x 5 d/week). Results: Median age of the 56 eligible patients was 61 years, most of them were males (87.5%). Squamous cell carcinoma was the most common pathological type (55.4%) and 85.7% had a performance status of 1. The majority of patients were presented with stage ⅢB (62.5%). Neutropenia was the most common toxicity during induction therapy (12.5% expressed grade 3) whereas esophagitis was the most common non hematologic adverse reaction during concurrent chemoradiotherapy (14.3% of grade 3). The overall response rate was 71.6% with complete response in 19.6%. After median follow up of 20 months, the median survival time was 13 months (95% CI: 10.917-15.083) and 1 year overall survival rate was 53.6%. Conclusion: This regimen has demonstrated an acceptable toxicity profile and encouraging response to treatment. Evaluation of this regimen in larger number and a phase Ⅲ trial are recommended.     

Prognostic factors to predict survival in non-small-cell lung cancer with brain metastasis

Objective： The purpose of the study was to assess prognostic factors to predict overall survival （OS） and progres- sion-free survival （PFS） in non-small-cell lung cancer （NSCLC） with brain metastasis （BM）. Methods： From November 2011 to March 2013, the clinical data of 31 NSCLC cases with BM treated with multiple modalities including brain radiotherapy alone, systemic chemotherapy, whole brain radiotherapy （WBRT） combined with tyrosine kinase inhibitor （TKIs）. The efficacy and adverse reaction were evaluated after treatment. Results： In terms of intracranial lesions, the objective response rate （ORR） and the disease control rate （DCR） were 22.6% and 90.3%, respectively. As for systemic disease, ORR and DCR were 32.3% and 93.5%, respectively. The median time to progression-free survival （PFS） was 298 days （95% CI： 258.624-337.376 days）, whereas in the epidermal growth factor receptor （EGFR） mutation patients was 331 days. Patients who received EGFR-TKIs combined with brain radiation had better response rate （RR） than those only brain radiation. Univariate analysis showed that the EGFR-mutations could predictive factors for PFS, and not to other clinical pathological features. The most common toxicities were rash and diarrhea, but all were well-tolerated. Conclusion： EGFR-mutations is the independent prognostic factors affecting the survival rates of NSCLC patients with BM. Through the clinical observation, icotinib combined with WBRT may be effective on brain metastases in NSCLC patients, and toxicities are tolerable, which worth further study.     

一线化疗后吉非替尼维持治疗晚期非小细胞肺癌的临床观察

Objective To evaluate RR,DCR,PFS,OS and toxicities in a population affected by NSCLC using gefitinib as maintenance therapy after the first line chemotherapy.Methods From January,2006 to January,2008,seventy-one patients were enrolled with stable disease or partial response after firstline chemotherapy.They were divided into the observing group and the control group.Gefitinib was administered at the dose of 250 mg in observing group;placebo was also administered everyday in control group.Results Of 71 assessable patients ,overall response rate was 36.1% (13/36) in observing group and 14.3 % (5/35) in control group respectively (x 2 = 4.633,P = 0.036),and one patient (2.8 %) was observed complete response (CR) in observing group.The disease control rate was 83.3 % (30/36) in observing group and 42.9 % (15/35) in control group,respectively,(x2 = 14.782,P ＜ 0.001).The median PFS (progression free survival time) was 13 weeks in observing group and 11 weeks in control group respectively (x2 = 10.401,P =0.001).The median overall survival time (OS) was 13.2 months in observing group and 10.4 months in control group respectively (x2 = 7.696,P= 0.006).The median OS was 18.5 months in women and 11.2 months in men(x2 =22.864,P=0.011) .The median OS was 15.3 months in non-smokers and 10.3 months in smokers (x2 =10.389,P =0.007).The median OS was 16.0 months in adenocarcinoma and alveolar cell carcinoma patients and 10.2 months in squamous cell carcinoma patients (x 2 = 4.638,P = 0.001).The most common toxicity was rash ,diarrhea,fatigue and dry skin itching,and most of them were 1 or 2 grade.Conclusion Maintenance therapy with gefitinib after first-line chemotherapy may improve overall survival time and progression free survival time in patients with NSCLC,and it is effective and safe.     

一线化疗后吉非替尼维持治疗晚期非小细胞肺癌的临床观察

Objective To evaluate RR,DCR,PFS,OS and toxicities in a population affected by NSCLC using gefitinib as maintenance therapy after the first line chemotherapy.Methods From January,2006 to January,2008,seventy-one patients were enrolled with stable disease or partial response after firstline chemotherapy.They were divided into the observing group and the control group.Gefitinib was administered at the dose of 250 mg in observing group;placebo was also administered everyday in control group.Results Of 71 assessable patients ,overall response rate was 36.1% (13/36) in observing group and 14.3 % (5/35) in control group respectively (x 2 = 4.633,P = 0.036),and one patient (2.8 %) was observed complete response (CR) in observing group.The disease control rate was 83.3 % (30/36) in observing group and 42.9 % (15/35) in control group,respectively,(x2 = 14.782,P ＜ 0.001).The median PFS (progression free survival time) was 13 weeks in observing group and 11 weeks in control group respectively (x2 = 10.401,P =0.001).The median overall survival time (OS) was 13.2 months in observing group and 10.4 months in control group respectively (x2 = 7.696,P= 0.006).The median OS was 18.5 months in women and 11.2 months in men(x2 =22.864,P=0.011) .The median OS was 15.3 months in non-smokers and 10.3 months in smokers (x2 =10.389,P =0.007).The median OS was 16.0 months in adenocarcinoma and alveolar cell carcinoma patients and 10.2 months in squamous cell carcinoma patients (x 2 = 4.638,P = 0.001).The most common toxicity was rash ,diarrhea,fatigue and dry skin itching,and most of them were 1 or 2 grade.Conclusion Maintenance therapy with gefitinib after first-line chemotherapy may improve overall survival time and progression free survival time in patients with NSCLC,and it is effective and safe.     

动脉持续灌注化疗与静脉全身化疗治疗中晚期胰腺癌的疗效分析

Objective: To compare the curative effectiveness of continuous transarterial infusion chemotherapy and systemic venous chemotherapy in treating patients with advanced pancreatic cancer, and to evaluate the value of selective continu-ous transarterial infusion chemotherapy in treating advanced pancreatic cancer. Methods: Of the 51 patients with advanced pancreatic cancer receiving chemotherapy with gemcitabine and 5-fluorouracil, 25 patients were treated with selective con-tinuous transarterial infusion chemotherapy, 26 were treated with systemic venous chemotherapy, and curative effective-ness was analyzed retrospectively. Curative effectiveness included tumor volume, clinical benefit response (CBR), acute and subacute toxic reactions of antitumor drugs, survival rate and median survival time. Results: The objective effective rate in transarterial group was 32.0% versus 23.1% in systemic group without any significant difference (P = 0.475). Clinical benefit rates in transarterial group and systemic group were 80.0% and 50.0% respectively (P = 0.025). The 6-, 9-and 12-month accumulated survival rates and median survival time in transarterial group were higher than those of the systemic group (P = 0.002), the differences were statistically significant. However, the adverse reactions between the two groups were not statistically significant. Conclusion: Compared with systemic chemotherapy, continuous transarterial infusion chemotherapy with gemcitabine and 5-fluorouracil could improve clinical benefit rate and survival time of patients with advanced pancreatic cancer, it is safe and reliable, and the adverse reactions is less.     

全脑放疗同步或序贯替尼泊甙、顺铂治疗小细胞肺癌脑转移(英文)

Objective: The aim of the study was to compare efficacies and safeties of 2 different treatments of whole brain radiotherapy (WBRT) sequential or concomitant Vm26/DDP for small cell lung cancer (SCLC) patients with brain metastases. Methods: A total of 39 patients were randomly divided into sequential chemoradiotherapy regime (A group, 20 patients) and concomitant chemoradiotherapy regime (B group, 19 patients). The dose of WBRT was 36 Gy in 18–20 fractions, chemotherapy of Vm26/DDP regimen with teniposide ...     

Recursive partitioning analysis classification and graded prognostic assessment for non-small cell lung cancer patients with brain metastasis: A retrospective cohort study

Objective:To assess prognostic factors and validate the effectiveness of recursive partitioning analysis (RPA) classes and graded prognostic assessment (GPA) in 290 non-small cell lung cancer (NSCLC) patients with brain metastasis (BM).Methods:From Jan 2008 to Dec 2009,the clinical data of 290 NSCLC cases with BM treated with multiple modalities including brain irradiation,systemic chemotherapy and tyrosine kinase inhibitors (TKIs) in two institutes were analyzed.Survival was estimated by Kaplan-Meier method.The differences of survival rates in subgroups were assayed using log-rank test.Multivariate Cox’s regression method was used to analyze the impact of prognostic factors on survival.Two prognostic indexes models (RPA and GPA) were validated respectively.Results:All patients were followed up for 1-44 months,the median survival time after brain irradiation and its corresponding 95% confidence interval (95% CI) was 14 (12.3-15.8) months.1-,2-and 3-year survival rates in the whole group were 56.0%,28.3%,and 12.0%,respectively.The survival curves of subgroups,stratified by both RPA and GPA,were significantly different (P<0.001).In the multivariate analysis as RPA and GPA entered Cox’s regression model,Karnofsky performance status (KPS) ≥ 70,adenocarcinoma subtype,longer administration of TKIs remained their prognostic significance,RPA classes and GPA also appeared in the prognostic model.Conclusion:KPS ≥70,adenocarcinoma subtype,longer treatment of molecular targeted drug,and RPA classes and GPA are the independent prognostic factors affecting the survival rates of NSCLC patients with BM.     

A Prospective Randomized Study of Adjuvant Chemotherapy in Completely Resected Stage III-N2 Non Small Cell Lung Cancer

Objective: To evaluate the effect of postoperative adjuvant chemotherapy on survival after complete resection of stage III-N2 non-small-cell lung cancer. Methods: From Jan. 1999 to Dec. 2003, one-hundred and fifty patients, who were diagnosed as stage III-N2 non-small cell lung cancer after operation, were randomly devided into chemotherapy group and control group. The former received four cycles of chemotherapy with NVB (25 mg/m2, D1, D5)/paclitaxel (175 mg/m2, D1) and Carboplatin (AUC=5, D1). Results: In chemotherapy group, 75.8% (68/79) of patients had finished the 4 cycles of chemotherapy and no one died of toxic effects of chemotherapy. Twenty-five percent of the patients had grade 3?4 neutropenia and 2% had febrile neutropenia. The median survival for the entire 150 patients was 879 d, with 1-year survival rate of 81%, 2-year survival rate of 59% and 3-year survival rate of 43%. There was no significant difference in median survival between chemotherapy and control group (897 d vs 821 d, P=0.0527), but there was significant difference in the 1-year and 2-year overall survival (94.71%, 76.28% vs 512 d, P=0.122), but there was significant difference in the 2-year survival rate between two groups with brain metastases (66.7% vs 37.6% P<0.05). The median survival after brain metastasis appeared was 190 days. Conclusion: Postoperative adjuvant chemotherapy does not significantly improve median survival among patients with completely resected stage II-N2 non-small-cell lung cancer, but significantly improves the 1-year and 2-year overall survival. It neither decreases the incidence of brain metastasis but put off the time of brain metastasis.     

Pemetrexed in Previously Treated Non-small Cell Lung Cancer Patients with Poor Performance Status

Background and objective Pemetrexed have been approved for the treatment of patients affected by advanced non-small cell lung cancner(NSCLC) in progression after first-line chemotherapy.We evaluated the activity and feasibility of pemetrexed in previously treated NSCLC.Methods Patients with histologically or cytologically confirmed NSCLC were evaluated from April 2007 to March 2009.The patients had relapsed or progressed after prior chemotherapy treatment.Pemetrexed(500 mg/m2) was administered intravenously once every 3 weeks after progression to prior chemotherapy.The tumor response was evaluated according to RECIST criteria by chest CT at every 2 cycles of chemotherapy.Results A total 61 patients were eligible for analysis.Performance status of them(100%) was over 2.The response rate and disease control rate were 14.7% and 37.7% respectively.Non-squamous cell carcinoma histology was significantly associated with a superior response rate(P=0.045) and disease control rate(P=0.008).The median survival time and the median progression free survival(PFS) time were 6.11 months and 2.17 months,respectively.Comparing the efficacy of pemetrexed in these two settings [second-line versus(12/61) more than third(49/61)],there was no significant difference in regard to median survival(11.18 months vs 11.46 months,P=0.922,5),but PFS was more longer in third-or further-line groups than second-line group(1.39 months vs 2.25 months,P=0.015,3).Conclusion Pemetrexed is a feasible regimen in previously treated NSCLC with poor performance status.     

非小细胞肺癌脑转移患者全脑放疗不同剂量预后分析

目的:分析非小细胞肺癌(NSCLC)脑转移患者不同全脑放疗(WBRT)剂量的预后及影响因素。方法:回顾性分析2013—2015年间于河北医科大学第四医院行WBRT的244例NSCLC脑转移患者。按照不同WBRT剂量(EQD 2Gy)分为30~39 Gy组104例、≥40 Gy组140例。比较两组患者颅内无进...     

同步放化疗及序贯放化疗治疗非小细胞肺癌脑转移的疗效及生存质量分析

目的:探究非小细胞肺癌（NSCLC）合并脑转移的患者分别接受同步放化疗和序贯放化疗的近期临床疗效及2年内生存质量的差别。方法:对我院收治的60例非小细胞肺癌合并脑转移患者资料进行统计分析，接受同步放化疗33例，接受序贯放化疗27例。比较两组近期疗效、中位生存时间、不良反应和无疾病进展生存期（PFS）。结果:同步放化疗组与序贯放化疗组患者治疗总有效率分别为79%、56%，差异具有统计学意义（P＜0.05）；同步放化疗组中位生存时间和PFS均优于序贯放化疗组（P＜0.05）；同步放化疗组的不良反应发生率高于序贯放化疗组，但两者差异无统计学意义（P＞0.05）。结论:与序贯放化疗相比，同步放化疗可显著提高非小细胞肺癌合并脑转移患者的近期疗效，延长生存期且不会更多地影响患者生存质量。     

A pilot study of concurrent whole-brain radiotherapy and chemotherapy combined with cisplatin, vindesine and mitomycin in non-small-cell lung cancer with brain metastasis.

We have evaluated the feasibility, toxicity, and tumour response of concurrent whole-brain radiotherapy (WBRT) and chemotherapy with cisplatin, vindesine and mitomycin in the treatment of 33 patients with brain metastasis from non-small-cell lung cancer (NSCLC). The imaging response demonstrated that 25 patients (75.8%) responded to brain lesions, including five complete responders, and the response rate to primary lesion was 18%. The treatment improved at least one grade of performance status in 30% and of neurological functions in 55% of the patients. The major toxicity was leucopenia (> or = grade 3, 84.4%). Median survival was 9.7 months and the 1-year survival rate was 40%. Concurrent WBRT and chemotherapy can be safely administered to patients with brain metastasis from NSCLC, with a remarkable response rate, improvement of neurological functions and encouraging survival duration.     

Pemetrexed and cisplatin combination with concurrent whole brain radiotherapy in patients with brain metastases of lung adenocarcinoma: a single-arm phase II clinical trial

Pemetrexed-based chemotherapy presented about 40 % response rate (RR) on brain lesions of non-small cell lung cancer (NSCLC). But whole brain radiotherapy (WBRT) is still the standard treatment when surgery or radio-surgery is not feasible. This trial evaluated the efficacy and safety and efficacy of pemetrexed-cisplatin plus concurrent WBRT in this population. Forty-two patients were enrolled this study. Patients with newly diagnosed NSCLC with brain metastasis (BM) and performance status (PS) 0–2 were eligible for WBRT. Patients received up to six cycles of cisplatin and pemetrexed (75 and 500 mg/m², respectively) every 3 weeks. On day 1–12 during the first cycle of chemotherapy, patients received WBRT 30 Gy/10 fx/12 days. Primary end point was objective RR and progression free survival (PFS) on BM. Secondary end points included extracerebral and overall RR, survival and safety profile. Forty-one were evaluable for response. The histology was all adenocarcinoma. The objective cerebral RR (complete and partial response) in the intent-to-treat population was 68.3 % (28 of 41 patients). Extracerebral and overall RR was 34.1 and 36.6 %, respectively. Progression free survival of BM was 10.6 months, and median overall survival was 12.6 months. The combined treatment with pemetrexed-cisplatin and concurrent WBRT are effective in patients with NSCLC with newly diagnosed BM. This modality of treatment appears to be particularly favorable in RR and progression free survival of BM. Further clinical studies are warranted.     

VmP方案和全脑放射序贯治疗小细胞肺癌脑转移

背景与目的:单纯化疗或全脑放射治疗(wholebrainradiotherapy,WBRT)姑息性治疗小细胞肺癌(smallcelllungcancer,SCLC)脑转移,生存期均较短,本研究前瞻性观察比较VmP化疗方案与WBRT的不同序贯方法治疗SCLC脑转移患者的疗效、不良反应和生存期。方法:38例SCLC并脑转移初治患者根据使用床位非随机地分为A、B两组,经四格表精确概率法检验两组无显著差异(P>0.05)。A组(VmP-WBRT)采用先化疗2周期后放疗的治疗方法,B组(WBRT-VmP)采用先放疗后化疗2周期的治疗方法。化疗方案VmP:鬼臼噻吩甙(Teniposide,Vm-26)60mg/m2d1～5,顺铂(cisplatin,DDP)25mg/m2d1～3,4周为一治疗周期;WBRT方案:多灶性脑转移患者2周内放疗3Gy×10次;单灶脑转移患者在WBRT后1周内缩野放疗3Gy×5次。序贯治疗完成后继续化疗2～4周期。结果:两组病人治疗后80%以上的患者神经症状改善,两组脑转移癌、肺原发癌有效率和RECIST总客观有效率分别为68.2%和75.0%(P=0.647),77.3%和75.0%(P=0.871),63.6%和56.3%(P=0.646);肿瘤进展时间(timetoprogressions,TTP)分别为6.0个月(95%CI4.4～7.6)和5.0个月(95%CI3.6～6.4)(P=0.383);中位生存期(mediansurvivaltime,MST)分别为12.0个月(95%CI7.9～16.1)和9.0个月(95%CI5.6～12.4)(P=0.049);1年和2年生存率分     

COAPC方案联合脑部放射治疗非小细胞肺癌脑转移

背景与目的：放射治疗具有治疗脑转移癌的主要手段。而到目前为止化疗与放疗联合治疗脑转移癌的研究较少,本研究旨在观察COAPC方案化疗与脑部放射同时治疗非小细胞肺癌（non-small cell lung cancer,NSCLC)脑转移患者疗效,不良反应及生存率。方法：45例NSCLC脑转移患者接受COAPC方案化疗,环磷酰胺0．3g/m^2第1天静推,长春新碱1．4mg/m^2第1天静推,阿霉素50mg/m^2第1天静推,顺铂20mg/m^2第1－5天静滴,司莫司汀80mg/m2第1天口服,每3－4周为1疗程,脑部放射治疗于化疗第1疗程的第6天开始,每次2Gy,每天1次,每周5天,脑转移灶1－3个者,全脑放疗40Gy后,缩野放疗至总量60Gy,脑转移灶＞3个者,全脑放疗至总量40Gy.结果：治疗后80％患者神经系统症状改善,对脑转移灶的客观有效率为64．4％,对肺原发灶的有效率为40％,治疗的主要不良反应为骨髓抑制(Ⅲ-Ⅳ度占35％）,中位生存期10个月,1年生存率44．1％,5年生存率6．7％,单纯脑转移患者的中位生存期14个月,高于多发远处转移患者的9个月（P＝0．012）。结论：化疗联合脑部放射治疗NSCLC脑转移患者有效率与生存率较高,且患者耐受性较好。     

Up-front chemotherapy and radiation treatment in newly diagnosed nonsmall cell lung cancer with brain metastases: survey by Outcome Research Network for Evaluation of Treatment Results in Oncology

BACKGROUND: For patients with stage IV nonsmall cell lung cancer (NSCLC) who present with brain metastasis (BMs), standard platinum-based chemotherapy regimens have challenged the role of up-front whole-brain radiotherapy (WBRT). METHODS: In this survey, the authors analyzed the decision tree by which 6 oncologic centers guided the pattern of care in an unselected population of patients with NSCLC who presented with BMs at first diagnosis. The impact of front-line, platinum-based chemotherapy also was evaluated. Individual data were reviewed from 156 eligible patients who were referred to participating centers. RESULTS: Up-front treatment included chemotherapy in 110 patients and WBRT followed by chemotherapy in 46 patients. The selection of first treatment was guided based mainly on the presence of by BM symptoms, with chemotherapy selected for 24% of patients in the chemotherapy cohort and for 76% of patients in the chemotherapy and WBRT cohort. Regardless of treatment, the brain response was 29% (27% and 35% for the chemotherapy and WBRT cohorts, respectively; P value not significant). For the entire population, the overall response rate was 37%, progression-free survival was 6 months, and the median survival was 11 months. At multivariate analysis, significant predictors for survival were: brain response (hazard ratio [HR], 2.59; P = .0001), modified Radiation Therapy Oncology Group class (HR, 0.87; P = .003), and Eastern Cooperative Oncology Group performance status (HR, 1.49; P = .04). CONCLUSIONS: For patients with NSCLC who present with BMs at first diagnosis, the results of the current survey confirmed that the expected benefit of platinum-based chemotherapy may be translated into clinical practice and that selected subsets of patients who receive frontline chemotherapy (ie, patients in whom BM symptoms are absent or are controlled by supportive therapy) may be spared from WBRT. Further prospective studies evaluating different approaches and interventions are warranted.     

Gefitinib alone or with concomitant whole brain radiotherapy for patients with brain metastasis from non-small-cell lung cancer: a retrospective study

Background: Gefitinib, a tyrosine kinase inhibitor (TKI) of epidermal growth factor receptor (EGFR), is used both as a single drug and concurrently with whole brain radiotherapy (WBRT) the standard treatment for brain metastases (BM), and is reported to be effective in a few small studies of patients with BM from non-small-cell lung cancer (NSCLC). However, no study has compared the two treatment modalities. This retrospective analysis was conducted to compare the efficacy of gefitinib alone with gefitinib plus concomitant WBRT in treatment of BM from NSCLC. Methods: We retrospectively reviewed 90 patients with BM from NSCLC who received gefitinib alone (250mg/day, gefitinib group) or with concomitant WBRT (40Gy/20f/4w, gefitinib-WBRT group) between September 2005 and September 2009 at Sun Yat-Sen University Cancer Center. Forty-five patients were in each group. Results: The objective response rate of BM was significantly higher in gefitinib-WBRT group (64.4%) compared with gefitinib group (26.7%, P<0.001). The disease control rate of BM was 71.1% in gefitinib-WBRT group and 42.2% in gefitinib group (P=0.006). The median time to progression of BM was 10.6 months in gefitinib-WBRT group and 6.57 months in gefitinib group (P<0.001). The median overall survival(OS) of gefitinib-WBRT and gefitinib alone group was 23.40 months and 14.83 months, respectively (HR, 0.432, P=0.002). Conclusion: Gefitinib plus concomitant WBRT had higher response rate of BM and significant improvement in OS compared with gefitinib alone in treatment of BM from NSCLC.     

Gamma knife stereotactic radiosurgery for synchronous versus metachronous solitary brain metastases from non-small cell lung cancer

A retrospective study was conducted analyzing the clinical outcome and various prognostic factors in patients treated with gamma knife stereotactic radiosurgery (GK-SRS) for solitary brain metastasis from non-small cell lung carcinoma (NSCLC). A total of 72 patients from June of 1992 to January of 1999 were treated. All patients received GK-SRS to a median dose of 18Gy, with 45 patients receiving additional whole-brain radiation therapy. No one had evidence of extra-cranial metastasis at the time of diagnosis of brain metastases. The median follow-up was 15.7 months for the entire population and 99.5 months for those who were alive at the last follow-up. Univariate and multivariate analyses were used to test the impact of various prognostic factors on survival. The median and 5-year actuarial survivals for the entire cohort were 15.7 months and 10.4%, respectively. The presence of a metachronous versus a synchronous brain metastasis was the only factor significant in the univariate (P=0.045) and multivariate (P=0.002) analyses. Patients with metachronous solitary brain metastases had a significant median survival advantage compared to those with synchronous metastases (33.3 months versus 8.6 months, P=0.001). However, there was no statistically significant difference in median survival from the time of metastasis when treated with GK-SRS in these groups (12.5 months versus 8.4 months, P=0.50). The addition of WBRT did not improve overall survival (12.0 months versus 7.7 months, P=0.73). The 5-year actuarial survival for the metachronous and synchronous groups were 13.2 and 8.1%, respectively. In conclusion, patients presenting with a solitary metachronous brain metastasis from NSCLC achieved longer survivals than those with a synchronous metastasis. The tail in the survival curves demonstrates that a prolonged survival may be attained in patients with solitary metastases from NSCLC. This study adds to the growing body of literature that supports the use of SRS in the management of this patient population.     

不同预后评分下非小细胞肺癌脑转移患者补量放疗的预后分析

目的:分析非小细胞肺癌(NSCLC)脑转移患者不同放疗模式的预后及影响因素,探讨不同预后评分下补量放疗的最佳获益人群。方法:回顾性分析2013—2015年于河北医科大学第四医院诊治的NSCLC脑转移患者634例。按照不同放疗模式分为无放疗组330例、单纯全脑放疗(WBRT)组127例、全脑放疗+局部补量(WBRT+Bo...