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Gene Therapy / 基因治疗AAV Vectors

Amit C. Nathwani

M.D., Ph.D.

🏢University College London (UCL), UK(英国伦敦大学学院)🌐United Kingdom

Professor of Haemophilia, Director of Katharine Dormandy Haemophilia Centre, Founder/CSO of Freeline Therapeutics血友病教授、Katharine Dormandy血友病中心主任、Freeline Therapeutics创始人/首席科学官

3
Key Papers
13
Awards
2
Key Contributions

👥Biography 个人简介

Amit C. Nathwani, M.D., Ph.D., is Professor of Haemophilia at University College London (UCL) Cancer Institute, Honorary Consultant in Haematology, and Director of the Katharine Dormandy Haemophilia Centre and Thrombosis Unit at Royal Free London NHS Trust, where he also serves as Senior NIHR Investigator. He is Founder and Chief Scientific Officer of Freeline Therapeutics and founder of NovalGen. Dr. Nathwani is internationally recognized as a global leader in clinical translation of AAV gene therapy for hemophilia B. In 1997, he moved to St. Jude Children's Research Hospital in Memphis, USA, to work with Dr. Arthur Nienhuis on adeno-associated virus-mediated gene transfer. In 2001, he returned to UCL as Senior Lecturer in Haematology and Consultant to National Blood Services, subsequently becoming Professor of Haemophilia in 2011. Nathwani led the landmark St. Jude/UCL phase 1/2 trial that provided the first clear evidence of stable, dose-dependent increase in factor IX levels in severe hemophilia B patients following single administration of AAV vectors. His 2011 New England Journal of Medicine publication demonstrated that peripheral-vein infusion of scAAV2/8-LP1-hFIXco resulted in therapeutic FIX transgene expression sufficient to improve bleeding phenotype with few side effects. The 2014 NEJM follow-up reported long-term safety and efficacy over three years, with patients achieving a median 9.7-fold reduction in bleeding rate and 12.4-fold decrease in factor IX concentrate usage. Most remarkably, Nathwani's June 2025 NEJM publication reported 13-year follow-up data—one of the longest follow-up studies in gene therapy—demonstrating durable factor IX expression, sustained clinical benefit, and no late-onset safety concerns. This work established the clinical evidence base for FDA-approved hemophilia gene therapies including Hemgenix (2022). In 2015, Nathwani co-founded Freeline Therapeutics with UCLB and Syncona LLP to commercialize his hemophilia B gene therapy research, serving as Founder, CSO, and board member. Freeline completed its NASDAQ IPO in August 2020. He subsequently founded NovalGen to further advance gene therapy commercialization. Nathwani received the 2016 European Society for Gene and Cell Therapy Outstanding Achievement Award.

Amit C. Nathwani医学博士、哲学博士,是伦敦大学学院(UCL)癌症研究所血友病教授、荣誉血液学顾问、Royal Free London NHS Trust的Katharine Dormandy血友病中心和血栓形成部门主任,同时担任高级NIHR研究员。他是Freeline Therapeutics的创始人兼首席科学官和NovalGen的创始人。 Nathwani博士国际公认为血友病B AAV基因治疗临床转化的全球领导者。1997年,他前往美国孟菲斯圣犹大儿童研究医院与Arthur Nienhuis博士合作研究腺相关病毒介导的基因转移。2001年,他回到UCL担任血液学高级讲师和国家血液服务顾问,随后于2011年成为血友病教授。 Nathwani领导了里程碑式的圣犹大/UCL I/II期试验,首次提供了严重血友病B患者单次给予AAV载体后凝血因子IX水平稳定、剂量依赖性增加的明确证据。他2011年发表在《新英格兰医学杂志》上的论文证明,外周静脉输注scAAV2/8-LP1-hFIXco导致治疗性FIX转基因表达,足以改善出血表型,副作用少。2014年NEJM后续研究报告了三年以上的长期安全性和有效性,患者出血率中位数降低9.7倍,凝血因子IX浓缩物使用减少12.4倍。 最引人注目的是,Nathwani 2025年6月的NEJM出版物报告了13年随访数据——基因治疗领域最长的随访研究之一——证明持久的凝血因子IX表达、持续的临床获益且无迟发安全性问题。这项工作为FDA批准的血友病基因治疗(包括2022年的Hemgenix)建立了临床证据基础。 2015年,Nathwani与UCLB和Syncona LLP共同创建Freeline Therapeutics,以商业化他的血友病B基因治疗研究,担任创始人、首席科学官和董事会成员。Freeline于2020年8月完成纳斯达克IPO。随后他创建了NovalGen以进一步推进基因治疗商业化。Nathwani获得了2016年欧洲基因与细胞治疗学会杰出成就奖。

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🧪Research Fields 研究领域

Hemophilia B Gene Therapy血友病B基因治疗
AAV Clinical TrialsAAV临床试验
Long-term Follow-up长期随访
Freeline TherapeuticsFreeline Therapeutics

🎓Key Contributions 主要贡献

Hemophilia B AAV Gene Therapy Clinical Translation Leader

International leader in hemophilia B AAV gene therapy clinical translation. Began studying AAV-mediated gene transfer at St. Jude Children's Research Hospital (1997-2001) with Arthur Nienhuis, then returned to UCL in 2001 to continue this work. Nathwani-led St. Jude/UCL joint clinical trial is a milestone in hemophilia gene therapy. 2011 NEJM paper first provided clear evidence of stable, dose-dependent FIX expression from AAV gene therapy in hemophilia B patients. 2014 NEJM paper reported 3-year long-term follow-up results demonstrating treatment durability and safety. Most importantly, June 2025 NEJM 13-year long-term follow-up study demonstrated sustained clinical benefit and long-term safety of AAV gene therapy—one of the longest follow-up studies in gene therapy. These studies established clinical evidence base for hemophilia AAV gene therapy, paving the way for subsequent FDA-approved gene therapy products like Hemgenix.

Freeline Therapeutics Founder and Commercialization

In December 2015, co-founded Freeline Therapeutics with UCL commercialization arm UCLB and Syncona LLP to commercialize his hemophilia B gene therapy research. Nathwani serves as Founder and Chief Scientific Officer (CSO) and board member. Freeline focuses on developing gene therapies for bleeding disorders and other debilitating diseases. Company's FLT180a (based on Nathwani's AAV vector platform) showed promising results in clinical trials. In August 2020, Freeline completed NASDAQ IPO, raising funds to advance clinical development. Nathwani also founded NovalGen, continuing to advance gene therapy commercialization. He successfully translated laboratory breakthroughs into patient treatments, exemplifying perfect combination of academic research and commercial translation. In 2016, Nathwani received European Society for Gene and Cell Therapy (ESGCT) Outstanding Achievement Award recognizing his contributions to hemophilia gene therapy.

Representative Works 代表性著作

[1]

Adenovirus-associated virus vector-mediated gene transfer in hemophilia B

The New England Journal of Medicine (2011)

St. Jude/UCL joint phase I/II clinical trial led by Nathwani first provided clear evidence that single intravenous injection of self-complementary AAV serotype 8 vector (scAAV2/8-LP1-hFIXco) resulted in stable dose-dependent increase in factor IX levels in severe hemophilia B patients. Study found peripheral vein infusion of AAV8-FIX vector can produce sufficient FIX transgene expression to improve bleeding phenotype with few side effects. Demonstrated immune-mediated clearance of AAV-transduced hepatocytes can be controlled with short-term corticosteroid treatment.

[2]

Long-term safety and efficacy of factor IX gene therapy in hemophilia B

The New England Journal of Medicine (2014)

Long-term follow-up results after 10 severe hemophilia B patients received single AAV8 vector dose. Study showed patients produced long-term therapeutic factor IX expression with clinical improvements. Follow-up period up to 3 years with no delayed toxicity effects reported. Single infusion of scAAV2/8-LP1-hFIXco at three dose levels produced stable transgene factor IX activity (mean 1.7, 2.3, and 4.8 IU/dL), resulting in median 9.7-fold reduction in bleeding rate and 12.4-fold decrease in factor IX concentrate usage.

[3]

Sustained Clinical Benefit of AAV Gene Therapy in Severe Hemophilia B

The New England Journal of Medicine (2025)

13-year long-term follow-up study published by Nathwani team, with median follow-up time of 13.0 years (range 11.1-13.8 years). Study demonstrated single scAAV2/8-LP1-hFIXco gene therapy administration produced durable factor IX expression, sustained clinical benefit, and no late-onset safety concerns over 13 years. This is one of the longest follow-up studies in AAV gene therapy, providing strong evidence for the "one-time treatment" concept.

🏆Awards & Recognition 奖项与荣誉

🏆Professor of Haemophilia, UCL Cancer Institute
🏆Director, Katharine Dormandy Haemophilia Centre, Royal Free London NHS Trust
🏆Senior NIHR Investigator
🏆2016 ESGCT Outstanding Achievement Award (European Society for Gene and Cell Therapy)
🏆Pioneer Award (shared with Katherine High, Arthur Nienhuis and others)
🏆Freeline Therapeutics Founder & CSO (2015, IPO 2020)
🏆NovalGen Founder
🏆UCL gene therapy commercialization leader
🏆First demonstration of hemophilia B AAV gene therapy clinical success (2011 NEJM)
🏆13-year long-term follow-up study (2025 NEJM) - one of the longest in gene therapy
🏆Internationally recognized hemophilia gene therapy leader
🏆Royal Free London NHS Trust clinical consultant
🏆Introduced gene therapy into UK National Health Service system

📄Data Sources 数据来源

Last updated: 2026-03-08 | All information from publicly available academic sources

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