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| 1 | 帕博利珠单抗单用或与放疗联用治疗转移性非小细胞肺癌:两个随机试验的汇总分析显示文摘背景放疗可以提高整个机体对免疫治疗的应答。在Ⅱ期PEMBRO-RT研究和Ⅰ/Ⅱ期MDACC研究中,患有转移性非小细胞肺癌(NSCLC)的患者被随机分配入组,接受免疫治疗(帕博利珠单抗)+放疗联合疗法,或免疫治疗单一疗法。当上述2个研究单独分析时,联合疗法组显示出潜在获益。由于每个研究的样本量较小,缓解率和结局并未显示出统计学意义,然而却有显著的临床获益。因此,本研究进行汇总分析,来判断放疗是否会改善转移性NSCLC患者的免疫治疗应答。方法PEMBRO-RT和MDACC研究纳入标准:患者年龄≥18岁,患有转移性NSCLC,且有≥1处未经放疗照射的病灶,以便进行射野外应答监测。PEMBRO-RT研究纳入曾接受过化疗患者,MDACC研究纳入曾接受过治疗或新诊断患者。2个研究中的患者均未接受过免疫治疗。在PEMBRO-RT研究中患者被等比例随机分配入组,并根据吸烟状态进行分层(分为<10年组和≥10年组)。MDACC研究的患者根据放疗计划可行性被等比例随机分配入2个受试组。由于联合治疗组的干预本质,每个研究中的放疗均不适用盲法。在2个研究中,不论是否进行放疗,均静脉滴入帕博利珠单抗(每3周200 mg)。在PEMBRO-RT研究中,在放疗(24 Gy 3次分割照射)结束后1周给予第1剂帕博利珠单抗。在MDACC研究中,在第1次放疗(50 Gy 4次分割照射或45 Gy 15次分割照射)同时给予帕博利珠单抗。仅检测未经照射病灶的应答。本研究的终点为最佳射野外(远隔)应答率(ARR)、最佳射野外疾病控制率(ACR)、12周时ARR、12周时ACR、无进展生存期(PFS)和总生存期(OS)。2个研究的意向治疗(ITT)人群均纳入分析。PEMBRO-RT研究(NCT02492568)和MDACC研究(NCT02444741)均在ClinicalTrials.gov上注册。发现纳入148例患者,76例接受帕博利珠单抗治疗,72例接受帕博利珠单抗+放疗治疗。所有患者随访时间中位数为33个月[四分位距(IQR):32.4~33.6]。148例患者中124例(84%)组织学特征为非鳞癌,111例(75%)患者曾经接受过化疗。组间没有基线特征差异,包括PD-L1表达状态和转移灶体积。最常见的照射部位为肺转移灶(39%,28/72)、胸腔内淋巴结(21%,15/72)和非原发灶(17%,12/72)。帕博利珠单抗组和联合治疗组的最佳ARR分别为19.7%(15/76)和41.7%(30/72),OR=2.96,95%CI:1.42~6.20,P=0.0039;最佳ACR分别为43.4%(33/76)和65.3%(47/72),OR=2.51,95%CI:1.28~4.91,P=0.0071;PFS中位数分别为4.4(IQR:2.9~5.9)和9.0个月(IQR:6.8~11.2),HR=0.67,95%CI:0.45~0.99,P=0.045;OS中位数分别为8.7(IQR:6.4~11.0)和19.2个月(IQR:14.6~23.8),OR=0.67,95%CI:0.54~0.84,P=0.0004。在汇总分析中没有发现新的安全问题。解读帕博利珠单抗免疫疗法+放疗显著提高转移性NSCLC患者的应答和改善治疗结局。这些结果需要在三期临床试验中进行验证。 | 陈大卫(翻译) 于金明(校对) Willemijn S M E Theelen Vivek Verma Brian P Hobbs Heike M U Peulen Joachim G J V Aerts Idris Bahce Anna Larissa N Niemeijer Joe Y Chang Patricia M de Groot Quynh-Nhu Nguyen Nathan I Comeaux George R Simon Ferdinandos Skoulidis Steven H Lin Kewen He Roshal Patel John Heymach Paul Baas James W Welsh | 2021 | 中华肿瘤防治杂志2021,28,24: | 49 |
| 2 | OPTICAL PROPERTIES OF GeO_2 AND Ge NANOCRYSTALS显示文摘he co m pound m aterial of n m size particles Ge O2 Si O2 w as synthesied through hydrolysis of Si( O C2 H4) and Ge Cl4 . A heat treatm ent w as carried out for the sa m ples at 100 ~1200 ℃in air . Its optical property w as deter mined by U V Vis spectur m . We have found that theabsorption edge of spectru m shifted progressively to longer w avelengths . The quantu m size ef fect of nanocrystals appears because crystals gro w and energy of optical band gap reduces d ueto the influence of te m perature . By the analysis of X ray diffraction w e have observed theprocess in w hich the structure of particles changed fro m disorder into order . | Y.H.Zhou 1) ,Y.Y.Feng 2) and H.Y.Lu 2) 1)Department of Physics Nanjing Normal University, Nanjing 210097,China 2)Physics and Ch寁O P T I C A L P R O P E R T I E S O F Ge O2 A N D Ge N A N O C R Y S T A L S Y. H. Zhou1) , Y. Y. Feng2) | 1999 | Acta Metallurgica Sinica(English Letters)1999,12,5: | 22 |
| 3 | 植物A.murale和A.corsicum修复镍污染土壤显示文摘通过盆栽试验,研究了镍富集植物A.murale、A.corsicum及普通作物萝卜和芥菜,在4种不同Ni含量土壤中富集Ni的能力.A.murale和A.corsicum能够超量富集Ni,在4种土壤处理中,其地上部Ni浓度均显著高于萝卜和芥菜.在墨江土壤(Ni 1062mg/kg)中,A.murale和A.corsicum去除Ni能力明显大于萝卜和芥菜;在信宜土壤(Ni 107mg/kg)中,芥菜去除Ni能力最强;而元江土壤(Ni 2519mg/kg)中4种植物去除Ni的能力均很低.调节土壤pH值能显著改变A.murale和A.corsicum提取Ni的能力,最佳去除Ni土壤pH值在6.0左右.酸化及碱化处理蛇纹岩发育土壤均显著降低了A.murale和A.corsicum去除土壤Ni的能力. | 仇荣亮 刘凤杰 万云兵 汤叶涛 胡鹏杰 Brewer E P LI Y M | 2008 | 中国环境科学2008,28,11: | 7 |
| 4 | 美白牙膏去除牙外源性色斑的八周效果观察显示文摘目的 :评价含有 1%焦磷酸钠、7%三聚硫酸钠、0 .2 4 3 %氟化钠及 10 %高清洁二氧化硅的牙膏减少外源性牙色斑的效果。方法 :采用双盲、分层、二单位平行观察的临床研究方法。根据改良 L obene色斑指数 (L obene stain in-dex m ethod)均数、性别、吸烟习惯将 91名年龄为 18~ 5 5岁的研究对象平衡地分为两组 ,随机地分配使用试验或对照牙膏。于基线、第 4周及第 8周固定由一名检查者完成研究对象的色斑指数测定。结果 :86人完成了该研究。8周临床研究表明 ,使用美白牙膏的研究对象较对照组的牙齿色斑指数均数降低了 3 7.1% (P=0 .0 0 0 1)。结论 :与对照组牙膏相比 ,使用含有 1%焦磷酸钠、7%三聚硫酸钠、0 .2 4 3 %氟化钠及 10 %高清洁二氧化硅的牙膏可以有效地减少牙外源性色斑。 | 胡德渝 庞若愚 佘晓晴 雷德伦 Volpe A R DeVizio W Petrone M E Zhang Y P Chaknis P Miller S Miller J | 1999 | 华西口腔医学杂志1999,17,3: | 7 |
| 5 | 在有症状的患者中,与传统危险因素相比,冠状动脉钙化积分能更准确地预测显著的冠状动脉狭窄:欧洲钙化性冠状动脉疾病研究显示文摘在这项回顾性研究中,研究人员评估了冠状动脉钙化积分相对于传统危险因素对显著狭窄(冠状动脉狭窄〉50%)的预测价值。方法与结果:纳入来自丹麦、法国、德国、意大利、西班牙和美国有症状的患者5515例,所有研究对象均进行危险因素评估、计算机断层冠状动脉造影(computed tomographic coronary angiogram,CTCA)或常规血管造影。 | 刘莉 叶鹏 Nicoll R Wiklund U Zhao Y Diederichsen A Mickley H Ovrehus K Zamorano P Gueret P Schmermund A Maffei E Cademartiri F Budoff M Henein M | 2016 | 中华高血压杂志2016,24,3: | 4 |
| 6 | Frequent amplification of a chr19q13.41 microRNA polycistron in aggressive primitive neuroectodermal brain tumors显示文摘 | Li M Lee KF Lu Y Clarke I Shih D Eberhart C Collins VP Van Meter T Picard D Zhou L Boutros PC Modena P Liang ML Scherer SW Bouffet E Rutka JT Pomeroy SL Lau CC Taylor MD Gajjar A Dirks PB Hawkins CE Huang A. | 2009 | 中国神经肿瘤杂志2009,7,4: | 3 |
| 7 | Reproducibility of the diagnosis of dysplasia in Barrett esophagus: A reaffirmation显示文摘 | Elizabeth Montgomery Mary P Bronner John R Goldblum Joel K Greenson Marian M Haber John Hart Laura W Lamps Gregory Y Lauwers Audrey J Lazenby David N Lewin Marie E Robert Alicia Y Toledano Yu Shyr Kay Washington | 2001 | Human Pathology2001,,4: | 3 |
| 8 | 氮氧化物吸附催化器与选择性催化还原装置组合排放控制系统用的先进催化剂显示文摘与仅采用一种技术的系统相比,由氮氧化物(NO_x)吸附催化器(NAC)和选择性催化还原(SCR)装置组合的排放控制系统能够对稀燃条件下的NO_x控制提供更大的优势。然而,组合系统也对新的催化剂设计提出了挑战。与仅采用NAC的系统相比,NO_x再生时,NAC+SCR组合系统中NAC生成的氨(NH_3)是所需的特性。组合系统中的SCR需要与单独的SCR技术一样耐热,同时必须能抵抗上游的NAC周期性脱硫时出现的高温稀/浓状态反复变化。研究中,特别为组合系统研发了先进的NAC和SCR催化剂。改进的NAC催化剂展示出更宽广的运行温度窗口,并在减少铂族金属涂敷量的情况下获得了更高的NH_3生成活性。先进的SCR具有优异的低温NO_x还原效率,即便在高温稀/浓状态反复交替后依然具有极好的耐久性。采用改进的NAC和SCR催化剂后,系统性能显著提高。新研发的催化剂的优势也在车辆上得到了验证。 | Chen H Y Weigert E C Fedeyko J M Cox J P Andersen P J 许蕾 | 2012 | 国外内燃机2012,44,2: | 3 |
| 9 | A model of nonlinearly hardening materials for complex loading 显示文摘 | Dafalias Y F Popov E P | 1975 | Acta Mechanica1975,21,3: | 2 |
| 10 | 卒中介入治疗培训指南:国际多学会共识文件显示文摘1背景
缺血性卒中是全球人口死亡和残疾的首要原因。很多急性大血管闭塞(emergent large vesselocclusion,ELVO)患者都会遗留长期残疾。事实上,这些颅内大动脉闭塞经常会导致大面积脑损伤,进而造成患者死亡或严重致残。 | Lavine SD Cockroft K Hoh B Bambakidis N Khalessi AA Woo H Riina H Siddiqui A Hirsch JA Chong W Rice H Wenderoth J Mitchell P Coulthard A Signh TJ Phatorous C Khangure M Klurfan P ter Brugge K Iancu D Gunnarsson T Pongpech S Rodesch G Soderman M Taylor A Krings T Orbach D Picard L Suh DC Zheng HQ Jansen O Muto M Szikora I Pierot L Brouwer P Gralla J Renowden S Andersson T Fiehler J Turjman F White P Januel AC Spelle L Kulcsar Z Chapot R Biondi A Dima S Taschner C Szajner M Krajina A Sakai N Matsumaru Y Yoshknura S Ezura M Fujinaka T Iihara K Ishii A Higashi T Hirohata M Hyodo A Ito Y Kawanishi M Kiyosue H Kobayashi E Kobayashi S Kuwayama N Matsumoto Y Miyachi S Murayama Y Nagata I Nakahara I Nemoto S Niimi Y Oishi H Satomi J Satow T Sugiu K Tanaka M Terada T Yamagami H Diaz O Lylyk P Jayaraman MV Patsalides A Gandhi CD Lee SK Abruzzo T Albani B Ansari SA Arthur AS Baxter BW Bulsara KR Chen M Almandoz JE Fraser JF Heck DV Hetts SW Hussain MS Klucznik RP Leslie-Mawzi TM Mack WJ McTaggart RA Meyers PM Mocco J Prestigiacomo CA Pride GL Rasmussen PA Starke RM Sunenshine PJ Tarr RW Frei DF Pabo M Nogueira RG Zaidat OO Jovin T Linfante I Yavagal D Liebeskind D Novakovic R Pongpech S 许岩 孙瑞 郭芮兵 | 2017 | 国际脑血管病杂志2017,25,5: | 2 |
| 11 | 胆固醇酯转移蛋白基因的蛋白质截断型变异体与冠状动脉性心脏病风险的关系显示文摘随机对照试验结果表明,抑制胆固醇酯转运蛋白(cholesteryl ester transfer protein,CETP)的疗法并不能降低冠状动脉性心脏病(coronary heart disease,CHD)的发生风险。研究失败的可能原因包括靶目标无效、靶目标外小分子的不良反应和随机对照设计因素影响等。在编码药物靶点的基因中具有天然存在的遗传变异,以此为基础,人类研究可以深入了解针对基因产物的治疗的潜在功效和安全性。 | Nomura A Won HH Khera AV Takeuchi F Ito K McCarthy S Emdin CA Klarin D Natarajan P Zekavat SM Gupta N Peloso GM Borecki IB Teslovich TM Asselta R Duga S Merlini PA Correa A Kessler T Wilson JG Bown MJ Hall AS Braund PS Carey DJ Murray MF Kirchner HL Leader JB Lavage DR Manus JN Hartze DN Samani NJ Schunkert H Marrugat J Elosua R McPherson R Farrall M Watkins H Juang JJ Hsiung CA Lin SY Wang JS Tada H Kawashiri MA Inazu A Yamagishi M Katsuya T Nakashima E Nakatochi M Yamamoto K Yokota M Momozawa Y Rotter JI Lander ES Rader DJ Danesh J Ardissino D Gabriel S Willer CJ Abecasis GR Saleheen D Kubo M Kato N Ida Chen YD Dewey FE Kathiresan S 刘莉 叶鹏 | 2017 | 中华高血压杂志2017,25,9: | 2 |
| 12 | Effects of the phase-separated melt on crystallization behavior and morphology in short chain branched metallocene polyethylenes显示文摘 | Fu Q Chiu F C McCreight K W Guo M Tseng W W Cheng S Z Keating M Y Hsieh E T and DesLauriers P J | | 0,,: | 2 |
| 13 | Prognostic Value of Promoter Hypermethylation of Retinoic Acid Receptor Beta (RARB) and CDKN2 (p16/MTS1) in Prostate Cancer显示文摘Objective: The molecular mechanism of prostate cancer is poorly understood. The aim of the study was to investigate the prevalence and prognostic value of promoter hypermethylation of retinoic acid receptor beta (RARB) and p16 among benign prostatic hyperplasia (BPH) and prostate cancer patients. Methods: In this case-control study, 63 patients were included in three groups; 21 with BPH as the control group, 21 with prostate cancer and good prognostic factors (based on prostate-specific antigen, Gleason score and stage) as good prognosis group, and 21 with prostate cancer and poor prognostic features as poor prognosis group. The prostate biopsy specimen of each individual was examined for hypermethylation of RARB and p16 promoters by methylation specific PCR (MSPCR). Results: Seven (33.3%) patients with good prognosis and 15 (71.4%) patients with poor prognosis were positive for RARB methylation, which were significantly higher than controls (P <0.0001). p16 promoter methylation was shown in 19.0% and 47.6% patients with good and poor prognosis, respectively. The RARB and p16 promoter methylation in the poor prognosis group was significantly higher than that in the good prognosis group (P =0.02 for RARB and P<0.0001 for p16). Conclusion: Hypermethylation of RARB and p16 promoters may predict prognosis in prostate cancer. | Ameri A Alidoosti A Hosseini Y Parvin M Emranpour MH Taslimi F Salehi E Fadavi P | 2011 | Chinese Journal of Cancer Research2011,23,4: | 2 |
| 14 | Effect of Endostatin on Spontaneous Tumorigenesis of Mammary Adenocarcinomas in a Transgenic Mouse Model显示文摘 | Yokoyama Y Green J E Sukhatme V P | 2000 | Cancer Res2000,60,16: | 1 |
| 15 | Carbon anode materials for lithium ion batteries显示文摘 | Wu Y P Rahm E Holze R | 2003 | J Power Sources2003,114,1: | 1 |
| 16 | Urologic tissue engineering with small inlestinal submucosa: potential clinical applications显示文摘 | Cheng E Y Kropp B P | 2000 | World J Urol2000,18,: | 1 |
| 17 | Study of fractional softening in multi-stage hot deformation显示文摘 | Rao K P Prasad Y K D V Hawboly E B | 1998 | J Mater Process Tech1998,77,13: | 1 |
| 18 | Modal analysis of magneto-electro-elastic plates using the state-vector approach显示文摘 | Chen J Y Chen H L Pan E Heyliger P R | 2007 | Journal of Sound and Vibration2007,304,: | 1 |
| 19 | The relation between morphology and hydrotreating activity for supported MoS2 particles 显示文摘 | HENSEN E J M KOOYMAN P J Van der MEER Y Van der KRAAN A M de BEER V H J Van VEEN J A R Van SANTEN R A | 2001 | J Catal2001,199,2: | 1 |
| 20 | The sequence and phylogenetic analysis of a novel hepatitis E virus isolated from a patient with acute hepatitis reported in the United States显示文摘 | Schlauder G G Dawson G J Erker J C Kwo P Y Knigge M F Smalley D L Rosenblatt J E Desai S M Mushahwar I K | 1998 | J Gen Virol1998,79,3: | 1 |