Article(id=1292130402236388133, tenantId=1146029695717560320, journalId=1246415772164075586, issueId=1292130360968630762, articleNumber=null, orderNo=null, doi=10.13699/j.cnki.1001-6821.2026.06.017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1774886400000, receivedDateStr=2026-03-31, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1785997494514, onlineDateStr=2026-08-06, pubDate=1774627200000, pubDateStr=2026-03-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1785997494514, onlineIssueDateStr=2026-08-06, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1785997494514, creator=13701087609, updateTime=1785997494514, updator=13701087609, issue=Issue{id=1292130360968630762, tenantId=1146029695717560320, journalId=1246415772164075586, year='2026', volume='42', issue='6', pageStart='751', pageEnd='900', issueExtLink='null', onlineDate='null', pubDate='1774627200000', pubDateStr='2026-03-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1785997484675, creator='13701087609', updateTime=1786014452071, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1292201527440068743, tenantId=1146029695717560320, journalId=1246415772164075586, issueId=1292130360968630762, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1292201527440068744, tenantId=1146029695717560320, journalId=1246415772164075586, issueId=1292130360968630762, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=860, endPage=864, ext={EN=ArticleExt(id=1292130404044133160, articleId=1292130402236388133, tenantId=1146029695717560320, journalId=1246415772164075586, language=EN, title=Kygevvi, a new approved drug for the treatment of thymidine kinase 2 deficiency, columnId=1291339032068354347, journalTitle=Chinese Journal of Clinical Pharmacology, columnName=New Drugs Introduction, runingTitle=null, highlight=null, articleAbstract=
Objective

In November 2025, the US Food and Drug Administration (FDA) officially approved Kygevvi oral solution powder for the treatment of thymidine kinase 2 deficiency (TK2d) in adults and children with onset age ≤ 12 years old. Kygevvi is the first and only targeted therapy approved for the treatment of TK2d, consisting of two types of pyrimidine nucleosides, doxecitine and doxribtimine. Its function is to integrate doxecitine and doxribtimine into skeletal muscle mitochondrial deoxyribonucleic acid (DNA), thereby bypassing defective thymidine kinase 2 (TK2) and helping to repair and increase the quantity of mitochondrial DNA, and fundamentally improving cellular energy supply. Here is an introduction to its mechanism of action, pharmacodynamics, pharmacokinetics, clinical research, and safety.

, authors=Yan LI1, Xin HE2, authorsList=Yan LI, Xin HE, authorCompany=null, correspAuthors=Xin HE, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1292130404480340779, articleId=1292130402236388133, tenantId=1146029695717560320, journalId=1246415772164075586, language=CN, title=治疗胸苷激酶2缺乏症新药—Kygevvi, columnId=1291339032219349293, journalTitle=中国临床药理学杂志, columnName=新药介绍, runingTitle=null, highlight=null, articleAbstract=

2025年11月美国食品药品监督管理局(FDA)正式批准Kygevvi口服溶液用粉剂用于治疗发病起始年龄≤12岁的成人和儿童胸苷激酶2缺乏症(TK2d)患者。Kygevvi是首个也是唯一获批用于治疗TK2d的靶向疗法,由两种嘧啶核苷脱氧胞苷(doxecitine)和脱氧胸苷(doxribtimine)组成,其作用是将doxecitine和doxribtimine融入骨骼肌线粒体脱氧核糖核酸(DNA)中,从而绕过有缺陷的胸苷激酶2(TK2),帮助修复和增加线粒体DNA的数量,从根源上改善细胞的能量供应。现对其作用机制、药效学、药代动力学、临床研究及安全性等作一介绍。

, authors=李妍1, 何心2, authorsList=李妍, 何心, authorCompany=null, correspAuthors=何心, authorNote=

李妍(1991-),女,主管药师,主要从事临床药学工作

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何心,副主任药师 Tel: (025)52226973 E-mail:
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治疗胸苷激酶2缺乏症新药—Kygevvi
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李妍 1 , 何心 2
中国临床药理学杂志 | 新药介绍 2026,42(6): 860-864
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中国临床药理学杂志 |新药介绍 2026 , 42 (6) : 860 -864
治疗胸苷激酶2缺乏症新药—Kygevvi
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李妍(1991-),女,主管药师,主要从事临床药学工作

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李妍1, 何心2
作者信息
  • 1.山西省儿童医院山西省妇幼保健院 药剂科,山西 太原 030013
  • 2.南京医科大学 附属妇产医院南京市妇幼保健院 药学部,江苏 南京 210004
通讯作者:
何心,副主任药师 Tel: (025)52226973 E-mail:
作者简介:

李妍(1991-),女,主管药师,主要从事临床药学工作

Kygevvi, a new approved drug for the treatment of thymidine kinase 2 deficiency
Yan LI1, Xin HE2
Affiliations
  • 1.Department of Pharmacy, Children Hospital, Maternal and Child Hospital of Shanxi Province, Taiyuan 030013, Shanxi Province, China
  • 2.Department of Pharmacy, Women’s Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing 210004, Jiangsu Province, China
出版时间: 2026-03-28 doi: 10.13699/j.cnki.1001-6821.2026.06.017
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2025年11月美国食品药品监督管理局(FDA)正式批准Kygevvi口服溶液用粉剂用于治疗发病起始年龄≤12岁的成人和儿童胸苷激酶2缺乏症(TK2d)患者。Kygevvi是首个也是唯一获批用于治疗TK2d的靶向疗法,由两种嘧啶核苷脱氧胞苷(doxecitine)和脱氧胸苷(doxribtimine)组成,其作用是将doxecitine和doxribtimine融入骨骼肌线粒体脱氧核糖核酸(DNA)中,从而绕过有缺陷的胸苷激酶2(TK2),帮助修复和增加线粒体DNA的数量,从根源上改善细胞的能量供应。现对其作用机制、药效学、药代动力学、临床研究及安全性等作一介绍。

Kygevvi  /  胸苷激酶2缺乏症  /  孤儿药
Objective

In November 2025, the US Food and Drug Administration (FDA) officially approved Kygevvi oral solution powder for the treatment of thymidine kinase 2 deficiency (TK2d) in adults and children with onset age ≤ 12 years old. Kygevvi is the first and only targeted therapy approved for the treatment of TK2d, consisting of two types of pyrimidine nucleosides, doxecitine and doxribtimine. Its function is to integrate doxecitine and doxribtimine into skeletal muscle mitochondrial deoxyribonucleic acid (DNA), thereby bypassing defective thymidine kinase 2 (TK2) and helping to repair and increase the quantity of mitochondrial DNA, and fundamentally improving cellular energy supply. Here is an introduction to its mechanism of action, pharmacodynamics, pharmacokinetics, clinical research, and safety.

Kygevvi  /  thymidine kinase 2 deficiency  /  orphan drug
李妍, 何心. 治疗胸苷激酶2缺乏症新药—Kygevvi. 中国临床药理学杂志, 2026 , 42 (6) : 860 -864 . DOI: 10.13699/j.cnki.1001-6821.2026.06.017
Yan LI, Xin HE. Kygevvi, a new approved drug for the treatment of thymidine kinase 2 deficiency[J]. Chinese Journal of Clinical Pharmacology, 2026 , 42 (6) : 860 -864 . DOI: 10.13699/j.cnki.1001-6821.2026.06.017

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doi: 10.13699/j.cnki.1001-6821.2026.06.017
  • 接收时间:2026-03-31
  • 首发时间:2026-08-06
  • 出版时间:2026-03-28
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  • 收稿日期:2026-03-31
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    1.山西省儿童医院山西省妇幼保健院 药剂科,山西 太原 030013
    2.南京医科大学 附属妇产医院南京市妇幼保健院 药学部,江苏 南京 210004

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何心,副主任药师 Tel: (025)52226973 E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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