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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Paricalcitol:A Selective VDRA in the Treatment of SHPT,|10.14.13|Company Confidential 2013,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,|,公司机密,2013,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,|Company Confidential 2013,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,SHPT,治疗的思考,-,溉纯,及胜普乐,的临床有效性,SHPT治疗的思考-溉纯及胜普乐的临床有效性,内容,国内,SHPT,治疗挑战及目标,PTH,药物治疗的选择,-,溉纯,vs,口服骨化三醇,-,胜普乐,总结,2,Paricalcitol:A Selective VDRA in the Treatment of SHPT|10.14.13|Company Confidential 2013,内容国内SHPT治疗挑战及目标2Paricalcitol:,2024/11/19,3,继发性甲状旁腺功能亢进(SHPT)的危害,2023/10/103继发性甲状旁腺功能亢进(SHPT)的危,达标患者,%,中国,ESRD,患者,SHPT,治疗达标率低,1.Kim J,et al.,JASN.,2003;14:269A.,2.Kong X,et al.BMC Nephrol.2012 Sep 21;13:116.,4,达标患者%中国ESRD患者SHPT治疗达标率低1.Kim,孤立的单个指标并不能反映全部情况,(EVOLVE),Kalantar-Zadeh K,et al.Kidney Int Suppl,2010;117:S1021,需要综合评估,为取得最佳效果,,我们应该专注哪些指标?,5,孤立的单个指标并不能反映全部情况Kalantar-Zadeh,SHPT,治疗目标:,PTH,、,Ca,、,P,阶段,CKD 5D,期,PTH,KDIGO,:维持在正常值上限,2 9,倍范围,KDOQI,:,150-300 pg/ml,中国指南,:维持在正常值上限,2 9,倍,Ca,KDIGO,:维持正常范围,KDOQI,:,8.4-9.5 mg/dL,(2.10-2.37mmol/L),中国指南,:,2.1-2.5 mmol/L,P,KDIGO,:尽量接近正常范围,KDOQI,:,3.5-5.5 mg/dL,(1.13-1.78 mmol/L),中国指南,:,1.13-1.78mmol/L,KDIGO.Kid Int.2009;76(Suppl 113):S1-S130,;,K/DOQI.Am J Kidney Dis.2003(suppl 3):S1-S170,慢性肾脏病,-,矿物质和骨异常诊治指导,.,中华肾脏病杂志,.2014(Z1):1-69,6,SHPT治疗目标:PTH、Ca、P阶段CKD 5D期PTHK,7,Regidor DL,et al.J Am Soc Nephrol.2008 Nov;19(11):2193-203.,1.5,1,0.9,0.8,1,st,2,nd,3,rd,4,th,5,th,6,th,7,th,8,th,9,th,10th,PTH,和碱性磷酸酶的十分位数,全因死亡,相关风险,碱性磷酸酶,全段,PTH,AP,正常范围,40,-,120 IU/L,目标骨转化率,较低的骨转化率,SHPT,治疗目标:碱性磷酸酶,7Regidor DL,et al.J Am Soc N,为取得最佳效果,,我们应该综合评估,兼顾治疗,甲状旁腺激素,磷,钙,碱性磷酸酶,/,骨碱性磷酸酶,骨组织形态学,维生素,D,为取得最佳效果,我们应该综合评估,兼顾治疗甲状旁腺激素,内容,国内,SHPT,治疗挑战及目标,PTH,药物治疗的选择,-,溉纯,vs,口服骨化三醇,-,胜普乐,总结,9,内容国内SHPT治疗挑战及目标9,如何综合评估国内,PTH,治疗药物?,口服骨化三醇,溉纯,(静脉骨化三醇),选择性维生素,D,受体激动剂(胜普乐,),/,即将上市拟钙剂,口服骨化三醇,溉纯,胜普乐,控制不佳,控制不佳,控制不佳,PTH 300 or 600,pg,/dL,甲旁切除术,拟钙剂,10,Paricalcitol:A Selective VDRA in the Treatment of SHPT|10.14.13|Company Confidential 2013,如何综合评估国内PTH治疗药物?口服骨化三醇口服骨化三醇溉纯,与口服制剂比较,溉纯,药代动力学更具优势,与口服制剂比较,溉纯,血药浓度达峰时间早,峰值浓度提高达四倍以上,更有效作用于维生素,D,受体,抑制,PTH,分泌,透析治疗的低血钙患者接受,2,g,溉纯,或等量,1,25-(OH),2,D,3,口服制剂后血清,1,25-(OH),2,D,3,水平,Slatopolsky E,et al.J Clin Invest.1984;74(6):2136-43;Andress DL,Am J kidney Dis.2001;38(suppl 5)S41-44,尿毒症患者,口服骨化三醇,静脉骨化三醇,C,max,(2,g,pg/mL),90,180-700,t,max,(小时),2-8,0.08,半衰期(小时),13-38,16-26,溉纯,的药代动力学参数,500,400,300,200,100,0,15,30,45,60,2,4,6,8,24,1,25-(OH),2,D,3,pg/mL,分钟,小时,静脉骨化三醇,口服骨化三醇,1,25-(OH),2,D,3,2g,11,Paricalcitol:A Selective VDRA in the Treatment of SHPT|10.14.13|Company Confidential 2013,与口服制剂比较,溉纯药代动力学更具优势与口服制剂比较,溉,National Kidney Foundation.,K/DOQI Clinical Practice Guidelines for Bone Metabolism and,Disease in Chronic Kidney Disease.Am J Kidney Dis 42:S1-S202,2003(suppl 3),静脉间断给予骨化三醇比每日口服能够更加有效地降低血清,PTH,的水平。,(,证据,),指南推荐:骨化三醇注射液疗效优于口服制剂,荟萃分析对比了静脉与口服骨化三醇治疗对降低,iPTH,的疗效,结果显示,静脉骨化三醇比口服制剂更能有效降低,iPTH,水平,-2,0,口服,静脉,Indridason et al.,Caravaca et al.,Liou et al.,Fisher and Harris,汇总效应规模,Page S96,12,Company Confidential 2011 Abbott,National Kidney Foundation.K/,与口服制剂相比,溉纯,有效抑制甲状旁腺增生,Taniguchi M,et al.Nephrol Dial Transplant.2008;23(11)3662-9.,SHPT,早期阶段,长期口服骨化三醇治疗患者甲状旁腺总体积显著增大,,而静脉骨化三醇治疗患者则无显著变化,口服,静脉,500,0,-500,甲状旁腺总体积改变值,(mm,3,),P=0.015,一项前瞻性随机研究,,60,例伴,iPTH,水平在,100300pg/mL,每周三次接受血透治疗至少,6,个月患者随机接受骨化三醇口服或静脉,治疗,初始给药方案分别为:口服组,0.25g,,,1,次,/,天;静脉组,0.5g,,,3,次,/,周于血透结束时静脉给予,疗程,12,个月。,口服,静脉,1000,500,-0,甲状旁腺总体积,(mm,3,),P=0.006,治疗前,治疗后,治疗前,治疗后,个体数据,口服骨化三醇,静脉骨化三醇,13,Paricalcitol:A Selective VDRA in the Treatment of SHPT|10.14.13|Company Confidential 2013,与口服制剂相比,溉纯有效抑制甲状旁腺增生Taniguchi,溉纯,对于肾性骨病的作用,长期静脉注射骨化三醇治疗,(,每周三次,),可降低骨形成率、成骨细胞的类骨质比例以及纤维化程度,Andress DL,et al.NEJM,1989.321:274-9,骨形成率,(m,2,/mm,2,/,天,),成骨细胞性类骨质表面积百分比,(,占总表面积的比例,%),纤维化程度,(,占组织面积的比例,%),*,*,“,对于口服骨化三醇难以见效的纤维性骨炎患者或有甲状旁腺切除指征的患者应该首选考虑骨化三醇静脉治疗。,”,成骨细胞类骨质表面积:立方形的成骨细胞占总表面积的百分比,骨内膜纤维化程度:纤维化组织面积占组织面积的百分比,骨矿化沉积率:,2,次四环素标记间的距离与,2,次四环素服药间隔时间之比,骨形成率:骨矿化沉积率与四环素标记的骨表面积的乘积,*治疗前后数值差异,p800 pg/mL,帕立骨化醇可有效降低骨化三醇难治患者的,PTH,水平,前瞻性开放标签研究,入组血透患者经,6,个月骨化三醇治疗仍为中重度,SHPT,。患者从骨化三醇转换为帕立骨化醇治疗,(,按,1:3,或,1:4,剂量比例转换,),并随访,16,个月,帕立骨化醇在降低,PTH,方面具有明确疗效,经,16,个月治疗后钙磷水平未显著改变,在,iPTH 800 or,介于,600 800 pg/mL,之间的患者中,每次透析时的平均剂量呈逐渐降低趋势,在两个,iPTH,水平组中,第,16,个月时的帕立骨化醇单次透析剂量仅为基线开始时的,20%,基线,iPTH,水平,600 800 pg/mL,12,Llach F,et al.Am J Kidney Dis.2001;38(5Suppl5):S45-50,21,将骨化三醇患者转换为胜普乐治疗后基线iPTH水平800,-14%,P,=0.022,13,Lund RJ,et al.Am J Nephrol.2010;31(2):165-70,肠道钙吸收百分比,%,本研究为一项单中心、双盲、双模拟、随机化、阳性对照、交叉研究,旨在评估按,1:3,剂量比例将骨化三醇转换为帕立骨化醇后对患者肠道钙吸收的影响。研究共入组的,22,例维持性血液透析患者,随机分入,AB,序贯组(第,1,阶段,6g,帕立骨化醇,+,安慰剂,第,2,阶段,2g,骨化三醇,+,安慰剂,每阶段为期,14,天,期间间以,8,天洗脱期)或,BA,序贯组(第,1,阶段,2g,骨化三醇,+,安慰剂,第,2,阶段,6g,帕立骨化醇,+,安慰剂)接受治疗。,在具有等效,iPTH,抑制作用的剂量下,帕立骨化
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