Pediatric diffuse large B-cell lymphoma(DLBCL)is a highly aggressive disease with unique clinical characteristics.This study analyzed the germinal-center type B-cell(GCB)classification and clinical characteristics of ...Pediatric diffuse large B-cell lymphoma(DLBCL)is a highly aggressive disease with unique clinical characteristics.This study analyzed the germinal-center type B-cell(GCB)classification and clinical characteristics of Chinese pediatric DLBCL.A total of 76 patients with DLBCL newly diagnosed in Sun Yatsen University Cancer Center between February 2000 and May 2011,with an age younger than 18 years,were included in the analysis.The male/female ratio was 3.47:1.The median age was 12 years(range,2 to 18 years),and 47(61.8%)patients were at least 10 years old.Of the 76 patients,48(63.2%)had stage III/IV disease,9(11.8%)had bone marrow involvement,1(1.3%)had central nervous system(CNS)involvement,and 5(6.6%)had bone involvement.The GCB classification was assessed in 45 patients:26(57.8%)were classified as GCB subtype,and 19(42.2%)were classified as non-GCB subtype.The modified B-NHL-BFM-90/95 regimen was administered to 50 patients,and the 4-year event-free survival(EFS)rate was 85.8%.Among these 50 patients,31 were assessed for the GCB classification:17(54.8%)were classified as GCB subtype,with a 4-year EFS rate of 88.2%;14(45.2%)were classified as non-GCB subtype,with a 4-year EFS rate of 92.9%.Our data indicate that bone marrow involvement and stage III/IV disease are common in Chinese pediatric DLBCL patients,whereas the percentage of patients with the GCB subtype is similar to that of patients with the non-GCB subtype.The modified B-NHL-BFM-90/95protocol is an active and effective treatment protocol for Chinese pediatric patients with DLBCL.展开更多
目的:汇总Ⅱ/Ⅲ期和补充多中心临床试验资料,评价重组人血小板生成素(recombinant human thrombopoietin,rh-TPO)治疗实体肿瘤患者化疗后血小板(platelet,PLT)减少症的临床疗效和安全性。方法:3个试验共入组受试者276例,其中Ⅱ期试验入...目的:汇总Ⅱ/Ⅲ期和补充多中心临床试验资料,评价重组人血小板生成素(recombinant human thrombopoietin,rh-TPO)治疗实体肿瘤患者化疗后血小板(platelet,PLT)减少症的临床疗效和安全性。方法:3个试验共入组受试者276例,其中Ⅱ期试验入组63例,Ⅲ期试验入组154例,补充临床试验入组59例;其后剔除5例、脱落41例,共有230例纳入符合方案(pre-protocol,PP)数据集;所有患者均经组织学或细胞学证实患有实体肿瘤。Ⅱ期临床试验和补充临床试验为随机交叉自身对照试验,Ⅲ期临床试验中受试者按是否参加随机交叉对照分为随机交叉自身对照试验部分和非随机交叉自身对照部分。将接受rh-TPO用药的试验周期定义为用药周期,未用rh-TPO的周期定义为空白对照周期,试验期间的化疗方案和剂量均维持不变。将所有临床试验数据合并并进行疗效和安全性分析。结果:意向性治疗人群(intention-to-treat,ITT)数据集及PP数据集均显示出非常显著的一致性变化(以ITT集数据为例)。与对照周期相比,rh-TPO治疗可显著减轻化疗对PLT损伤的程度[化疗后PLT下降的最低值:(63.02±46.48)×109vs(49.47±31.41)×109个/L,P=0.002],缩短损伤和恢复时间[恢复至75×109个/L以上需要的天数:(11.18±9.71)vs(17.8±10.46)d,P=0.000],大幅提高血小板恢复水平[末次随访时PLT检测值:(211.21±119.20)×109vs(138.13±71.54)×109个/L,P=0.000;化疗后PLT最高值:(262.78±162.60)×109vs(149.36±73.26)×109个/L,P=0.000;末次随访时PLT与基线的差值:(79.64±118.06)×109vs(-8.92±102.50)×109个/L,P=0.000]。rh-TPO还可降低PLT输注患者的比例(12.21%vs 19.85%,P=0.017),减少PLT输注例次(0.22±0.72)vs(0.37±0.90)次,P=0.010)和输注量[(1.66±6.09)vs(2.77±7.08)U,P=0.009];补充试验中,PLT输注患者比例减少更为显著(13.79%vs 33.93%,P=0.0082)。用药前后血红蛋白含量和白细胞计数变化、肝肾功能、凝血功能的差异均无统计学意义(P>0.05)。276例患者中仅出现11例次不良反应,多为发热(6例)或寒战(2例)。结论:实体肿瘤患者化疗后给予国产rh-TPO可显著减轻化疗对PLT的损伤程度,缩短损伤和恢复时间,大幅提高PLT水平,降低患者PLT输注的例次和数量,且无严重不良反应。展开更多
文摘Pediatric diffuse large B-cell lymphoma(DLBCL)is a highly aggressive disease with unique clinical characteristics.This study analyzed the germinal-center type B-cell(GCB)classification and clinical characteristics of Chinese pediatric DLBCL.A total of 76 patients with DLBCL newly diagnosed in Sun Yatsen University Cancer Center between February 2000 and May 2011,with an age younger than 18 years,were included in the analysis.The male/female ratio was 3.47:1.The median age was 12 years(range,2 to 18 years),and 47(61.8%)patients were at least 10 years old.Of the 76 patients,48(63.2%)had stage III/IV disease,9(11.8%)had bone marrow involvement,1(1.3%)had central nervous system(CNS)involvement,and 5(6.6%)had bone involvement.The GCB classification was assessed in 45 patients:26(57.8%)were classified as GCB subtype,and 19(42.2%)were classified as non-GCB subtype.The modified B-NHL-BFM-90/95 regimen was administered to 50 patients,and the 4-year event-free survival(EFS)rate was 85.8%.Among these 50 patients,31 were assessed for the GCB classification:17(54.8%)were classified as GCB subtype,with a 4-year EFS rate of 88.2%;14(45.2%)were classified as non-GCB subtype,with a 4-year EFS rate of 92.9%.Our data indicate that bone marrow involvement and stage III/IV disease are common in Chinese pediatric DLBCL patients,whereas the percentage of patients with the GCB subtype is similar to that of patients with the non-GCB subtype.The modified B-NHL-BFM-90/95protocol is an active and effective treatment protocol for Chinese pediatric patients with DLBCL.
文摘目的:汇总Ⅱ/Ⅲ期和补充多中心临床试验资料,评价重组人血小板生成素(recombinant human thrombopoietin,rh-TPO)治疗实体肿瘤患者化疗后血小板(platelet,PLT)减少症的临床疗效和安全性。方法:3个试验共入组受试者276例,其中Ⅱ期试验入组63例,Ⅲ期试验入组154例,补充临床试验入组59例;其后剔除5例、脱落41例,共有230例纳入符合方案(pre-protocol,PP)数据集;所有患者均经组织学或细胞学证实患有实体肿瘤。Ⅱ期临床试验和补充临床试验为随机交叉自身对照试验,Ⅲ期临床试验中受试者按是否参加随机交叉对照分为随机交叉自身对照试验部分和非随机交叉自身对照部分。将接受rh-TPO用药的试验周期定义为用药周期,未用rh-TPO的周期定义为空白对照周期,试验期间的化疗方案和剂量均维持不变。将所有临床试验数据合并并进行疗效和安全性分析。结果:意向性治疗人群(intention-to-treat,ITT)数据集及PP数据集均显示出非常显著的一致性变化(以ITT集数据为例)。与对照周期相比,rh-TPO治疗可显著减轻化疗对PLT损伤的程度[化疗后PLT下降的最低值:(63.02±46.48)×109vs(49.47±31.41)×109个/L,P=0.002],缩短损伤和恢复时间[恢复至75×109个/L以上需要的天数:(11.18±9.71)vs(17.8±10.46)d,P=0.000],大幅提高血小板恢复水平[末次随访时PLT检测值:(211.21±119.20)×109vs(138.13±71.54)×109个/L,P=0.000;化疗后PLT最高值:(262.78±162.60)×109vs(149.36±73.26)×109个/L,P=0.000;末次随访时PLT与基线的差值:(79.64±118.06)×109vs(-8.92±102.50)×109个/L,P=0.000]。rh-TPO还可降低PLT输注患者的比例(12.21%vs 19.85%,P=0.017),减少PLT输注例次(0.22±0.72)vs(0.37±0.90)次,P=0.010)和输注量[(1.66±6.09)vs(2.77±7.08)U,P=0.009];补充试验中,PLT输注患者比例减少更为显著(13.79%vs 33.93%,P=0.0082)。用药前后血红蛋白含量和白细胞计数变化、肝肾功能、凝血功能的差异均无统计学意义(P>0.05)。276例患者中仅出现11例次不良反应,多为发热(6例)或寒战(2例)。结论:实体肿瘤患者化疗后给予国产rh-TPO可显著减轻化疗对PLT的损伤程度,缩短损伤和恢复时间,大幅提高PLT水平,降低患者PLT输注的例次和数量,且无严重不良反应。
