An open-label, single-dose, dose-escalation study to evaluate the safety and tolerability of YOLT-206 in patients with transthyretin amyloid cardiomyopathy (ATTR-CM)
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注册号: Registration number: |
ChiCTR2500110772 |
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最近更新日期: Date of Last Refreshed on: |
2025-10-20 17:24:12 |
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注册时间: Date of Registration: |
2025-10-20 00:00:00 |
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注册号状态: |
预注册 |
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Registration Status: |
Prospective registration |
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注册题目: |
评价YOLT-206在转甲状腺素蛋白淀粉样变性心肌病(ATTR-CM)患者中的安全性和耐受性的开放、单次给药、剂量探索研究 |
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Public title: |
An open-label, single-dose, dose-escalation study to evaluate the safety and tolerability of YOLT-206 in patients with transthyretin amyloid cardiomyopathy (ATTR-CM) |
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注册题目简写: |
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English Acronym: |
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研究课题的正式科学名称: |
评价YOLT-206在转甲状腺素蛋白淀粉样变性心肌病(ATTR-CM)患者中的安全性和耐受性的开放、单次给药、剂量探索研究 |
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Scientific title: |
An open-label, single-dose, dose-escalation study to evaluate the safety and tolerability of YOLT-206 in patients with transthyretin amyloid cardiomyopathy (ATTR-CM) |
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研究课题代号(代码): Study subject ID: |
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在二级注册机构或其它机构的注册号: The registration number of the Partner Registry or other register: |
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申请注册联系人: |
郭晓纲 |
研究负责人: |
梁廷波 |
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Applicant: |
Xiaogang Guo |
Study leader: |
Tingbo Liang |
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申请注册联系人电话: Applicant telephone: |
+86 13867441856 |
研究负责人电话: Study leader's telephone: |
+86 13666676128 |
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申请注册联系人传真 : Applicant Fax: |
研究负责人传真: Study leader's fax: |
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申请注册联系人电子邮件: Applicant E-mail: |
gxg22222@zju.edu.cn |
研究负责人电子邮件: Study leader's E-mail: |
liangtingbo@zju.edu.cn |
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申请单位网址(自愿提供): Applicant website(voluntary supply): |
研究负责人网址(自愿提供): Study leader's website(voluntary supply): |
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申请注册联系人通讯地址: |
浙江省杭州市上城区庆春路79号 |
研究负责人通讯地址: |
浙江省杭州市上城区庆春路79号 |
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Applicant address: |
No. 79 Qingchun Road, Shangcheng District, Hangzhou City, Zhejiang Province |
Study leader's address: |
No. 79 Qingchun Road, Shangcheng District, Hangzhou City, Zhejiang Province |
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申请注册联系人邮政编码: Applicant postcode: |
研究负责人邮政编码: Study leader's postcode: |
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申请人所在单位: |
浙江大学医学院附属第一医院 |
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Applicant's institution: |
The FIrst Affiliated Hospital, College of Medicine, Zhejiang University |
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研究负责人所在单位: |
浙江大学医学院附属第一医院 |
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Affiliation of the Leader: |
The FIrst Affiliated Hospital, College of Medicine, Zhejiang University |
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是否获伦理委员会批准: |
是/Yes |
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Approved by ethic committee: |
Yes |
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伦理委员会批件文号: Approved No. of ethic committee: |
[2025]JY伦审001号 |
伦理委员会批件附件: Approved file of Ethical Committee: |
查看附件View |
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批准本研究的伦理委员会名称: |
浙江大学医学院附属第一医院细胞和基因治疗伦理委员会 |
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Name of the ethic committee: |
Stem Cell Somatic cell Ethics Committee of the First Affiliated Hospital College of Medicine Zhejiang University |
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伦理委员会批准日期: Date of approved by ethic committee: |
2025-07-26 00:00:00 |
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伦理委员会联系人: |
刘健 |
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Contact Name of the ethic committee: |
Liu Jian |
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伦理委员会联系地址: |
浙江省杭州市上城区庆春路79号 |
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Contact Address of the ethic committee: |
No. 79 Qingchun Road, Shangcheng District, Hangzhou City, Zhejiang Province |
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伦理委员会联系人电话: Contact phone of the ethic committee: |
+86 571 87236560 |
伦理委员会联系人邮箱: Contact email of the ethic committee: |
lindaliu87@zju.edu.cn |
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研究实施负责(组长)单位: |
浙江大学医学院附属第一医院 |
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Primary sponsor: |
The FIrst Affiliated Hospital, College of Medicine, Zhejiang University |
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研究实施负责(组长)单位地址: |
浙江省杭州市上城区庆春路79号 |
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Primary sponsor's address: |
No. 79 Qingchun Road, Shangcheng District, Hangzhou City, Zhejiang Province |
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试验主办单位(项目批准或申办者): Secondary sponsor: |
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经费或物资来源: |
尧唐(上海)生物科技有限公司 |
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Source(s) of funding: |
Yoltech Therapeutics Co., Ltd |
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Target disease: |
Transthyretin amyloid cardiomyopathy |
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Target disease code: |
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研究类型: |
干预性研究 |
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Study type: |
Interventional study |
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研究所处阶段: |
其它 | ||||||||||||||||||||||
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Study phase: |
N/A |
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研究设计: |
单臂 |
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Study design: |
Single arm |
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研究目的: |
主要目的: 评价在ATTR-CM患者中给予YOLT-206后的安全性和耐受性; 次要目的: (1)评价在ATTR-CM患者中给予YOLT-206后的药代动力学特征; (2)评价在ATTR-CM患者中给予YOLT-206后的药效学特征; (3)评价在ATTR-CM患者中给予YOLT-206后的初步有效性; (4)评价在ATTR-CM患者中给予YOLT-206后的免疫原性。 探索性目的: 评价在ATTR-CM患者中给予YOLT-206后的99Tcm-PYP摄取率。 |
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Objectives of Study: |
1.Primary Objective: To evaluate the safety and tolerability of YOLT-206 in patients with ATTR-CM. 2.Secondary Objectives: To evaluate the pharmacokinetic characteristics of YOLT-206 in patients with ATTR-CM. To evaluate the pharmacodynamic characteristics of YOLT-206 in patients with ATTR-CM. To evaluate the preliminary efficacy of YOLT-206 in patients with ATTR-CM. To evaluate the immunogenicity of YOLT-206 in patients with ATTR-CM. 3.Exploratory Objective: To evaluate the uptake rate of ⁹⁹Tcᵐ-PYP after administration of YOLT-206 in patients with ATTR-CM. |
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药物成份或治疗方案详述: |
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Description for medicine or protocol of treatment in detail: |
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纳入标准: |
1. 年龄18-80岁(含临界值),性别不限; |
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Inclusion criteria |
1. Aged 18–80 years (inclusive), male or femalf. 2. 45–90 kg (inclusive) at screening. 3. Confirmed ATTR-CM according to the Expert Consensus on Diagnosis and Treatment of Transthyretin Amyloid Cardiomyopathy. 4. TTR gene mutation verified by genetic testing. 5. Laboratory Standards at Screening: (1)Total bilirubin (TBIL) <= ULN; AST/ALT <= ULN or clinically insignificant changes per investigator judgment.(2)For Gilbert syndrome: TBIL <= 2× ULN. (3) Estimated glomerular filtration rate (eGFR) >= 45 mL/min/1.73 m^2 (CKD-EPI formula). (4) Platelet count >= 100 × 10^9/L. (5) INR <= ULN (<= 2.5 × ULN if on anticoagulants). (6) Vitamin A >= 0.70 µmol/L (200 ng/mL) and vitamin B12 >= LLN. (7) LDL-C < 200 mg/dL (5.17 mmol/L). 6. Treatment Status (Standard A and/or B): Standard A: Ineligible for approved ATTR therapies due to: (1)Unavailability in China; or(2)Intolerance, cost, or other medical/non-medical reasons. Standard B: On approved ATTR therapy >= 3 months with documented disease progression (per investigator) meeting >= 1 criterion: (1)Increased heart failure hospitalizations;(2)Worsening NYHA class; (3) >= 5-point decline in KCCQ score; (4) >= 30 m decline in 6-minute walk test (6-MWT); (5) >= 30% increase in NT-proBNP; (6) >= 30% increase in troponin I; (7) >= 2 mm increase in LV wall thickness on echocardiogram; (8) >= 5% decline in LVEF, >= 1% decline in global longitudinal strain, or >= 5% decline in stroke volume;(9) New conduction block. 7. Agreement to abstain from alcohol from screening through Day 28 post-dosf. 8. Non-pregnant/non-breastfeeding females and males with female partners must use highly effective contraception from screening through 1 year after study completion. 9. Signed written informed consent. 10. Agreement to avoid other ATTR therapies for >= 8 weeks post-YOLT-206 dosing. 11. Clinical Status at Screening: (1)NYHA class II–III.(2)6-MWT >= 120 m. (3) NT-proBNP <= 3,000 pg/mL. (4) Echocardiogram showing interventricular septal and/or posterior wall thickness >= 12 mm. |
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排除标准: |
1. 淀粉样变并非TTR蛋白所致,如轻链淀粉样变; |
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Exclusion criteria: |
1. Amyloidosis not caused by TTR protein (e.g., light-chain amyloidosis). 2. Evidence of ATTR meningovascular involvement. 3. Known hypersensitivity to any lipid nanoparticle (LNP) component or prior LNP exposure associated with treatment-related laboratory abnormalities or adverse events. 4. Concomitant ATTR Therapies (within specified washout periods): Vutrisiran: Use within 2 years. Patisiran/Inotersen/Eplontersen: Use within 1 year. Tafamidis: Use within 10 days before investigational drug dosing. Diflunisal: Use within 3 days. Doxycycline and/or TUDCA: Use within 14 days. Prior gene-editing therapies: Any history. Other ATTR investigational agents: Last dose <30 days or <5 half-lives (whichever is longer). eye syndrome on ophthalmic exam, vitamin A deficiency, or inability/unwillingness to supplement vitamin A during the study. 6. Known history of multiple myeloma. 7. Investigator-determined clinically relevant thyroid function abnormalities. 8. Known or suspected systemic infection (bacterial, viral, parasitic, or fungal) within 14 days of screening. 9. Prior hepatitis B/C, AIDS, or positive HBsAg, HCV-Ab, or HIV-Ab at screening. 10. History of liver, heart, or other organ transplant or bone marrow transplant (except corneal transplant) or anticipated transplant within 1 year. 11. History of bleeding or coagulation disorders (e.g., cirrhosis, hematologic malignancy, antiphospholipid syndrome). 12. Acute thrombotic event (e.g., MI, stroke) within 6 months or positive Leiden Factor V/prothrombin gene testing. 13. History of malignancy within 5 years (excluding basal cell carcinoma, cured squamous cell carcinoma, or cervical carcinoma in situ). 14. Planned invasive cardiovascular procedure during the study or procedure/hospitalization for heart failure within 90 days before screening. 15. Alcohol abuse (>=4 drinks/day or 8/week for women; >=5/day or 15/week for men; 1 drink = 14 g ethanol) within 3 years. 16. Anticipated survival <1 year. 17. NYHA Class IV heart failure within 90 days of screening. 18. Polyneuropathy Disability (PND) score IV or lower limb neuropathy severely impairing ambulation. 19. Cardiomyopathy due to non-TTR causes (e.g., hypertensive, valvular, ischemic). 20. Positive serum pregnancy test, lactating, or planning pregnancy/lactation during the study. 21. Any condition deemed unsuitable for study participation by the investigator. |
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研究实施时间: Study execute time: |
从 From 2025-08-31 00:00:00至 To 2027-04-30 00:00:00 |
征募观察对象时间: Recruiting time: |
从From 2025-10-24 00:00:00 至 To 2026-02-28 00:00:00 |
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干预措施: Interventions: |
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研究实施地点: Countries of recruitment and research settings: |
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测量指标: Outcomes: |
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采集人体标本:
Collecting sample(s)
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征募研究对象情况: Recruiting status: |
尚未开始 Not yet recruiting |
年龄范围: Participant age: |
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性别: |
男女均可 |
Gender: |
Both |
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随机方法(请说明由何人用什么方法产生随机序列): |
无 |
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Randomization Procedure (please state who generates the random number sequence and by what method): |
None |
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是否公开试验完成后的统计结果: Calculated Results after the Study Completed public access: |
不公开/Private |
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盲法: |
无 |
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Blinding: |
None |
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是否共享原始数据: IPD sharing |
Yes |
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共享原始数据的方式(说明:请填入公开原始数据日期和方式,如采用网络平台,需填该网络平台名称和网址): |
https://cloud.clinflash.com/login |
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The way of sharing IPD”(include metadata and protocol, If use web-based public database, please provide the url): |
https://cloud.clinflash.com/login |
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数据采集和管理(说明:数据采集和管理由两部分组成,一为病例记录表(Case Record Form, CRF),二为电子采集和管理系统(Electronic Data Capture, EDC),如ResMan即为一种基于互联网的EDC: |
CRF, EDC |
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Data collection and Management (A standard data collection and management system include a CRF and an electronic data capture: |
CRF, EDC |
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数据与安全监察委员会: Data and Safety Monitoring Committee: |
无/No |