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270篇 您的检索式:作者名="Simons R E"
    题名 作者 年代 出处 被引量
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
2Non-invasive means of measuring hepatic fat content显示文摘Hepatic steatosis affects 20% to 30% of the general adult population in the western world. Currently, the technique of choice for determining hepatic fat deposition and the stage of fibrosis is liver biopsy. However, it is an invasive procedure and its use is limited, particularly in children. It may also be subject to sampling error. Non-invasive techniques such as ultrasound, computerised tomography (CT), magnetic resonance imaging (MRI) and proton magnetic resonance spectroscopy (1H MRS) can detect hepatic steatosis, but currently cannot distinguish between simple steatosis and steatohepatitis, or stage the degree of fibrosis accurately. Ultrasound is widely used to detect hepatic steatosis, but its sensitivity is reduced in the morbidly obese and also in those with small amounts of fatty infiltration. It has been used to grade hepatic fat content, but this is subjective. CT can detect hepatic steatosis, but exposes subjects to ionising radiation, thus limiting its use in longitudinal studies and in children. Recently, magnetic resonance (MR) techniques using chemical shift imaging have provided a quantitative assessment of the degree of hepatic fatty infiltration, which correlates well with liver biopsy results in the same patients. Similarly, in vivo 1H MRS is a fast, safe, non-invasive method forthe quantification of intrahepatocellular lipid (IHCL) levels. Both techniques will be useful tools in future longitudinal clinical studies, either in examining the natural history of conditions causing hepatic steatosis (e.g. non-alcoholic fatty liver disease), or in testing new treatments for these conditions.Sanjeev R Mehta E Louise Thomas Jimmy D Bell Desmond G Johnston Simon D Taylor-Robinson 2008World Journal of Gastroenterology2008,14,22:21
3Anisotropic Gaussian Schell-model beams: passage through optical systems and associated invariants显示文摘Simon R Sudarshan E C G Mukunda N 1985Phys Rev A1985,46,4:2
4Mayo clinic Scottsdale experience with laparoscopic nephron sparing surgery for renal tumors 显示文摘Simon S D Ferrigni R G Novicki D E 2003J Urol2003,169,6:1
5Early on-treatment prediction of response to peginterferon alfa-2a for HBeAg-negative chronic hepatitisB using HBsAg and HBV DNA levels 显示文摘Rijckborst V Hansen BE Cakaloglu Y Ferenci P Tabak F Akdogan M Simon K Akarca US Flisiak R Verhey E Van Vuuren AJ Boucher CA ter Borg MJ Janssen HL 2010Hepatology2010,52,2:1
6查看详情显示文摘Mijatovic T De Nève N Bruyère C Simon G Dewelle J Van Quaquebeke E Van Der A.E Van Vynckt F Lefranc F Kiss R 0,,:1
7Phase-behavior properties of CO2- reservoir oil systems显示文摘Simon R Rosman A Zana E 1978SPE Journal1978,18,1:1
8Partially coherent beams and a generalized ABCD-law显示文摘Simon R Mukunda N Sudarshan E C G 1988Opt Commum1988,65,:1
9Lower plasma NAMPT/visfatin levels are associated with impaired hepatic mitochon-drial function in non-diabetic obese women:a potential linkbetween obesity and non-alcoholic fatty liver disease显示文摘RUIZ J R LASA A SIMON E 2012Nutrition Metabolism and Cardiovascular Diseases2012,22,2:1
10Chronic subduraI hemaLoma, in a, duita, nd elderly pa, tients显示文摘Iantosca M E Simon R H 2000Neurosurgery clinics of north America2000,11,5:1
11Ankle arthrodesis: long-term follow-up with gait analysis 显示文摘Mazur J M Schwartz E Simon S R 1979J Bone Jiont Surg(Am)1979,61,7:1
12Analytical meth- ods for polycyclic aromatic hydrocarbons (PAHs) in food and the environment needed for new food legislation in the European Union 显示文摘WENZL T SIMON R ANKLAM E 2006TRAC Trend Anal Chem2006,25,7:1
13Microarray analysis of diurnal and circadian-regulated genes in Arabidopsis显示文摘Schaffer R Landgraf J Accerbi M Simon V Larson M Wisman E 0,,:1
14Ankle arthrodesis:long-term follow-up with gait analysis显示文摘Mazur J M Schwartz E Simon S R 1979Bone Joint(Am)1979,61,:1
15Local government intervention in the brownfields arena显示文摘Simons R A Abdelaziz E J 2001Economic Development Commentary2001,25,3:1
16The effect of light on the senescence of detached cucumber cotyledons显示文摘Lewington R J Simon E W 1969J Exp Bot1969,20,:1
17Arabidopsis research 2001显示文摘Eckardt NA Araki T Benning C Cubas P Goodrich J Jacobsen SE Masson P Nambara E Simon R Somerville S Wasteneys G 0,,09:1
18Update on Helicobacter pylori treatment显示文摘Ables A Z Simon I Melton E R 2007Am Fam Physician2007,75,3:1
19Using a simple air recirulation model to explore computer rack cooling 显示文摘Simons R E 2007Electronics Cooling2007,13,1:1
20Using next-generation sequencing approaches to isolate simple sequence repeat (SSR) loci in the plant sci- ences显示文摘Zalapa JE Cuevas H Zhu HY Steffan S Senalik D Zeldin E McCown B Harbut R Simon P 2012Am J Bet2012,99,2:1
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