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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 | Effect of copper on the photochemical efficiency,growth,and chlorophyll a biomass of natural phytoplankton assemblages Environmental显示文摘 | PATRICIA P R PATRICIA E V RICARDO B | 2006 | Toxicology and Chemistry2006，25，1： | 1 |
| 3 | Ethanol specifically decreases peroxisome proliferator-activated receptor δ in B12 oligodendrocyte-like cells显示文摘 | Leisewitz A V Jung J E Patricia P A | 2003 | J Neurochem2003，85，1： | 1 |
| 4 | Age-dependent effects of trihexyphenidyl in extrapyramidal cerebral palsy显示文摘 | Alexander H Hoon Patricia O Freese Elsie M Reinhardt Mary Ann Wilson William T Lawrie Susan E Harryman Frank S Pidcock Michael V Johnston | 2001 | Pediatric Neurology2001，，1： | 1 |
| 5 | Functional properties of coffee and coffee by- products 显示文摘 | Patricia E Jim6nez V M | 2012 | Food Research International2012，，46： | 1 |
| 6 | Aggressive surgical treatment of intrahepatic cholangiocarcinoma: predictors of outcomes显示文摘 | Sasan Roayaie James V Guarrera Michele Q Ye Swan N Thung Sukru Emre Thomas M Fishbein Stephen R Guy Patricia A Sheiner Charles M Miller Myron E Schwartz | 1998 | Journal of the American College of Surgeons1998，，4： | 1 |
| 7 | Serum 1,3-beta-D-glucan as a noninvasive test to predict histologic activity in patients with inflammatory bowel disease显示文摘BACKGROUND 1,3-beta-D-glucan(BG)is a ubiquitous cell wall component of gut microorganisms.We hypothesized that the serum levels of BG could reflect active intestinal inflammation in patients with inflammatory bowel disease.AIM To determine whether the serum BG concentrations correlate with intestinal inflammation.METHODS A prospective observational study was performed in a tertiary referral center,from 2016 to 2019,in which serum BG was determined in 115 patients with Crohn’s disease(CD),51 with ulcerative colitis(UC),and 82 controls using a photometric detection kit.Inflammatory activity was determined by ileocolonoscopy,histopathology,magnetic resonance enterography,and biomarkers,including fecal calprotectin(FC),C-reactive protein,and a panel of cytokines.The ability of BG to detect active vs inactive disease was assessed using the area under the receiver operating characteristic curve.In subgroup analysis,serial BG was used to assess the response to therapeutic interventions.RESULTS The serum BG levels were higher in CD patients than in controls(P=0.0001).The BG levels paralleled the endoscopic activity in CD patients and histologic activity and combined endoscopic and histologic activity in both CD and UC patients.The area under the curve(AUC)in receiver operating characteristic analysis to predict endoscopic activity was 0.694[95%confidence interval(CI):0.60-0.79;P=0.001]in CD,and 0.662(95%CI:0.51-0.81;P=0.066)in UC patients.The AUC in receiver operating characteristic analysis to predict histologic activity was 0.860(95%CI:0.77-0.95;P<0.001)in CD,and 0.786(95%CI:0.57-0.99;P=0.015)in UC patients.The cut-off values of BG for both endoscopic and histologic activity were 60μg/mL in CD,and 40μg/mL in UC patients.Performance analysis showed that the results based on BG of 40 and 60μg/mL were more specific for predicting endoscopic activity(71.8%and 87.2%for CD;and 87.5%and 87.5%for UC,respectively)than FC(53.3%and 66.7%for CD;and 20%and 80%for UC,respectively);and also histologic activity(60.5%and 76.3%for CD;and 90.0%and 95.0%for UC,respectively)than FC(41.7%and 50.0%for CD;and 25%and 50%for UC,respectively).Regarding the clinical,endoscopic,and histologic activities,the BG levels were reduced following therapeutic intervention in patients with CD(P<0.0001)and UC(P=0.003).Compared with endoscopic(AUC:0.693;P=0.002)and histologic(AUC:0.868;P<0.001)activity,no significant correlation was found between serum BG and transmural healing based on magnetic resonance enterography(AUC:0.576;P=0.192).Positive correlations were detected between BG and IL-17 in the CD(r:0.737;P=0.001)and the UC group(r:0.574;P=0.005),and between BG and interferon-gamma in the CD group(r:0.597;P=0.015).CONCLUSION Serum BG may represent an important novel noninvasive approach for detecting mucosal inflammation and therapeutically monitoring inflammatory bowel diseases,particularly in CD. | Katia Farias e Silva Hayandra F Nanini Cynthia Machado Cascabulho Siane L B Rosas Patricia T Santana Antonio Joséde V Carneiro Elias Anaissie Marcio Nucci Heitor Siffert Pereira de Souza | 2021 | World Journal of Gastroenterology2021，27，9： | 1 |
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