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)

注册号:

Registration number:

ChiCTR2500110772 

最近更新日期:

Date of Last Refreshed on:

2025-10-20 17:24:12 

注册时间:

Date of Registration:

2025-10-20 00:00:00 

注册号状态:

预注册

Registration Status:

Prospective registration

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

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)

注册题目简写:

English Acronym:

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

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)

研究课题代号(代码):

Study subject ID:

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:

申请注册联系人:

郭晓纲 

研究负责人:

梁廷波 

Applicant:

Xiaogang Guo 

Study leader:

Tingbo Liang 

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

申请注册联系人传真 :

Applicant Fax:

研究负责人传真:

Study leader's fax:

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

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):

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

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

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:

申请人所在单位:

浙江大学医学院附属第一医院

Applicant's institution:

The FIrst Affiliated Hospital, College of Medicine, Zhejiang University

研究负责人所在单位:

浙江大学医学院附属第一医院

Affiliation of the Leader:

The FIrst Affiliated Hospital, College of Medicine, Zhejiang University

是否获伦理委员会批准:

是/Yes

Approved by ethic committee:

Yes

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

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

Name of the ethic committee:

Stem Cell Somatic cell Ethics Committee of the First Affiliated Hospital College of Medicine Zhejiang University

伦理委员会批准日期:

Date of approved by ethic committee:

2025-07-26 00:00:00

伦理委员会联系人:

刘健

Contact Name of the ethic committee:

Liu Jian

伦理委员会联系地址:

浙江省杭州市上城区庆春路79号

Contact Address of the ethic committee:

No. 79 Qingchun Road, Shangcheng District, Hangzhou City, Zhejiang Province

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

研究实施负责(组长)单位:

浙江大学医学院附属第一医院

Primary sponsor:

The FIrst Affiliated Hospital, College of Medicine, Zhejiang University

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

Primary sponsor's address:

No. 79 Qingchun Road, Shangcheng District, Hangzhou City, Zhejiang Province

试验主办单位(项目批准或申办者):

Secondary sponsor:

国家:

中国

省(直辖市):

浙江省

市(区县):

Country:

China

Province:

Zhejiang

City:

单位(医院):

浙江大学医学院附属第一医院

具体地址:

浙江省杭州市上城区庆春路79号

Institution
hospital:

The FIrst Affiliated Hospital, College of Medicine, Zhejiang University

Address:

No. 79 Qingchun Road, Shangcheng District, Hangzhou City, Zhejiang Province

经费或物资来源:

尧唐(上海)生物科技有限公司

Source(s) of funding:

Yoltech Therapeutics Co., Ltd

Target disease:

Transthyretin amyloid cardiomyopathy

Target disease code:

研究类型:

干预性研究

Study type:

Interventional study

研究所处阶段:

其它 

Study phase:

N/A

研究设计:

单臂 

Study design:

Single arm 

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。  

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.

药物成份或治疗方案详述:

 

Description for medicine or protocol of treatment in detail:

 

纳入标准:

1. 年龄18-80岁(含临界值),性别不限;
2. 筛选时体重在45-90kg之间(含临界值);
3. 根据《转甲状腺素蛋白心脏淀粉样变诊断与治疗专家共识》诊断为ATTR-CM;
4. 基因检测证实TTR基因突变;
5. 筛选时必须符合以下实验室标准: a. TBIL≤正常值上限(ULN),AST、ALT≤ULN或研究者评估无临床意义的改变; b.患有Gilbert综合征的受试者TBIL≤2倍ULN; c.肾小球滤过率(GFR)≥ 45 mL/min/1.73m2(根据CKD-EPI公式计算); d.血小板计数≥100×109/L; e.国际标准化比值(INR)≤ULN,若在服用抗凝药物,则≤2.5*ULN; f.维生素A≥0.70µmol/L(200ng/mL)及维生素B12≥参考值下限(LLN); g.低密度脂蛋白胆固醇(LDL)< 200 mg/dL(5.17mmol/L)。
6. 无法获得经批准的治疗ATTR的药物(标准A)和/或尽管使用了经批准的治疗ATTR的药物后疾病仍有进展(标准B):  标准A:符合以下1条或以上标准: a.治疗ATTR的药物未在中国上市;b.无法接受经批准的ATTR治疗药物(例如不耐受或其他医疗、费用和/或其他原因);  标准B:接受ATTR药物治疗至少3个月,但根据研究者的评估受试者ATTR-CM病情发生进展,且符合以下任一标准: a.心力衰竭相关住院次数增加;b.NYHA分级加重;c.KCCQ评分下降至少5分;d.6-MWT下降至少30m;e.NT-proBNP升高30%;f.肌钙蛋白I(Troponin I)升高30%;g.超声心动图提示左心室壁厚度增加2mm;h.超声心动图提示左室射血分数下降≥5%或整体纵向变下降≥1%或每搏输出量下降≥5%;i.出现新的传导阻滞;
7. 同意在筛选期至给药后28天内停止饮酒;
8. 受试者、男性受试者的女性伴侣从筛选期至主研究结束后1年内无生育计划且同意在试验期间采取高效的避孕措施;
9. 受试者本人理解并签署知情同意书;
10. 同意接受YOLT-206给药后至少8周内不接受其他ATTR药物干预治疗;
11. 筛选时,同时满足以下标准: a. 纽约心脏病学会(NYHA)心功能分级为II~III级; b. 6分钟步行距离(6-MWT)≥ 120 m; c. NT-proBNP≤3000pg/mL; d. 超声心动图提示室间隔和/或左室后壁厚度≥12 mm。

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.

排除标准:

1. 淀粉样变并非TTR蛋白所致,如轻链淀粉样变;
2. 存在ATTR脑膜受累的证据;
3. 对任何脂质纳米颗粒(LNP)成分过敏或先前接受过LNP并经历过与治疗相关的实验室异常或不良事件者;
4. 在规定时间内使用以下任何ATTR治疗: • 2年内有Vutrisiran用药史,或1年内有Patisiran、Inotersen、Eplontersen用药史; • 氯苯唑酸:在试验药物给药前10天内使用; • 二氟尼柳:在试验药物给药前3天内使用; • 多西环素和/或牛磺酸脱氧胆酸:在试验药物给药前14天内使用; • 在研的基因编辑药物既往用药史; • 针对治疗ATTR的其他药物:最后一次使用距离试验药物给药前少于30天或5个半衰期,以较长者为准。
5. 筛选时眼科检查提示有干眼症,或筛选期检查提示维生素A缺乏症,或不能或不愿意在试验期间补充维生素A;
6. 多发性骨髓瘤病史;
7. 研究者判断具有临床意义的甲状腺功能检查异常;
8. 筛选前14天内存在已知或疑似全身性感染(细菌、病毒、寄生虫或真菌感染);
9. 既往患有乙型病毒性肝炎、丙型病毒性肝炎、获得性免疫缺陷综合征病史或筛选时HBsAg、HCV-Ab、HIV-Ab任一指标阳性;
10. 既往存在肝脏、心脏或其他器官移植或骨髓移植病史,或预期1年内移植(角膜移植史或计划角膜移植史除外);
11. 有出血或凝血障碍病史(如肝硬化、恶性血液病、抗磷脂抗体综合征);
12. 筛选前6个月内有急性血栓病史(如急性心肌梗死、急性脑梗死),或Leiden因子V和/或凝血酶原基因检测阳性;
13. 筛选前5年内恶性肿瘤病史(皮肤基底细胞癌、已根治的皮肤鳞状细胞癌、宫颈原位癌除外);
14. 计划在试验期间进行有创性心血管手术(例如冠状动脉支架/搭桥、起搏器放置等);筛选前90天内进行过心血管有创手术或者因为心衰住院者;
15. 筛选前3年内有酗酒史(酗酒定义:女性饮酒≥4杯/天或8杯/周、男性≥5杯或15杯/周,其中1杯=14g纯酒精);
16. 预计生存期小于1年;
17. 筛选前90天内NYHA心功能分级为IV级;
18. 筛选时多发神经病变残障(PND)评分为IV级,或因为下肢神经病变严重影响行走功能;
1.有其他非TTR所致心肌病(例如高血压性心肌病、心脏瓣膜病、缺血性心脏病导致的心肌病等);
20. 女性受试者筛选期的血清妊娠结果为阳性,或筛选时处于哺乳期,或在研究期间有妊娠/哺乳计划;
21. 研究者认为不适合进入本试验的其他情况。

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.

研究实施时间:

Study execute time:

From 2025-08-31 00:00:00 To 2027-04-30 00:00:00  

征募观察对象时间:

Recruiting time:

From 2025-10-24 00:00:00 To 2026-02-28 00:00:00  

干预措施:

Interventions:

组别:

TBD

样本量:

8

Group:

TBD

Sample size:

干预措施:

YOLT-206注射液给药治疗

干预措施代码:

Intervention:

YOLT-206 Injection Therapy

Intervention code:

组别:

45mg

样本量:

6

Group:

45mg

Sample size:

干预措施:

YOLT-206注射液45mg给药治疗

干预措施代码:

Intervention:

YOLT-206 35mg Injection Therapy

Intervention code:

组别:

35mg

样本量:

6

Group:

35mg

Sample size:

干预措施:

YOLT-206注射液35mg给药治疗

干预措施代码:

Intervention:

YOLT-206 35mg Injection Therapy

Intervention code:

研究实施地点:

Countries of recruitment and research settings:

国家:

中国

省(直辖市):

浙江省 

市(区县):

 

Country:

China 

Province:

Zhejiang 

City:

 

单位(医院):

浙江大学医学院附属第一医院 

单位级别:

三级甲等 

Institution
hospital:

The FIrst Affiliated Hospital, College of Medicine, Zhejiang University

Level of the institution:

Tertiary A

测量指标:

Outcomes:

指标中文名:

肌钙蛋白I

指标类型:

次要指标

Outcome:

Troponin I

Type:

Secondary indicator

测量时间点:

筛选期、基线期、W24、W36、W52

测量方法:

实验室检测检测血清中肌钙蛋白I浓度

Measure time point of outcome:

Screening、baseline、 W24、W36、W52

Measure method:

The concentration of Troponin I in serum was measured by laboratory

指标中文名:

纽约心脏病学会分级

指标类型:

次要指标

Outcome:

NYHA classification

Type:

Secondary indicator

测量时间点:

筛选期, 基线期, W24, W36, W52

测量方法:

采用纽约心脏病学会分级

Measure time point of outcome:

Screening , Baseline , W24, W36, W52

Measure method:

Using NYHA classification

指标中文名:

6min的步行距离

指标类型:

次要指标

Outcome:

6min walking distance

Type:

Secondary indicator

测量时间点:

筛选期, W24, W36, W52

测量方法:

六分钟步行测试

Measure time point of outcome:

Screening , W24, W36, W52

Measure method:

The six-minute walk test

指标中文名:

血清中转甲状腺素蛋白浓度

指标类型:

次要指标

Outcome:

Concentration of Transthyretin in serum

Type:

Secondary indicator

测量时间点:

基线期,W1,W2, W4,W8,W16,W24,W36,W52

测量方法:

实验室检测检测血清中转甲状腺素蛋白浓度

Measure time point of outcome:

Baseline, W1,W2, W4, W8, W16,W24,W36,W52

Measure method:

The concentration of Transthyretin in serum was measured by laboratory

指标中文名:

EQ-5D-5L

指标类型:

次要指标

Outcome:

EQ-5D-5L

Type:

Secondary indicator

测量时间点:

基线期, W24, W52

测量方法:

使用EQ-5D-5L问卷

Measure time point of outcome:

Baseline , W24, W52

Measure method:

Using EQ-5D-5L

指标中文名:

诺福克生活素质

指标类型:

次要指标

Outcome:

Norfolk QOL-DN

Type:

Secondary indicator

测量时间点:

基线期, W24, W36, W52

测量方法:

使用诺福克生活素质问卷

Measure time point of outcome:

Baseline , W24, W36, W52

Measure method:

Using Norfolk QOL-DN

指标中文名:

N末端B型利尿肽前体

指标类型:

次要指标

Outcome:

NT-proBNP

Type:

Secondary indicator

测量时间点:

筛选期、基线期、W24、W36、W52

测量方法:

实验室检测检测血清中NT-proBNP浓度

Measure time point of outcome:

Screening、baseline、 W24、W36、W52

Measure method:

The concentration of NT-proBNP in serum was measured by laboratory

指标中文名:

不良事件发生率

指标类型:

主要指标

Outcome:

Adverse event rate

Type:

Primary indicator

测量时间点:

基线期到W52

测量方法:

计算各种不良事件的发生率

Measure time point of outcome:

From baseline to W52

Measure method:

Calculate the rate of various adverse events

指标中文名:

堪萨斯城心肌病问卷评分

指标类型:

次要指标

Outcome:

KCCQ Score

Type:

Secondary indicator

测量时间点:

基线期, W24, W36, W52

测量方法:

使用堪萨斯城心肌病问卷调查

Measure time point of outcome:

Baseline , W24, W36, W52

Measure method:

Using KCCQ

指标中文名:

超声心动图指标

指标类型:

次要指标

Outcome:

Ultrasonic cardiogram indicators

Type:

Secondary indicator

测量时间点:

筛选期,基线期, W24, W52

测量方法:

超声心动图检查

Measure time point of outcome:

Screening ,Baseline , W24, W52

Measure method:

Echocardiography

采集人体标本:

Collecting sample(s)
from participants:

标本中文名:

血液

组织:

Sample Name:

Blood

Tissue:

人体标本去向

使用后销毁  

说明

Fate of sample:

Destruction after use  

Note:

征募研究对象情况:

Recruiting status:

尚未开始

Not yet recruiting

年龄范围:

Participant age:

最小 Min age 18 years
最大 Max age 80 years

性别:

男女均可

Gender:

Both

随机方法(请说明由何人用什么方法产生随机序列):

Randomization Procedure (please state who generates the random number sequence and by what method):

None

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

盲法:

Blinding:

None

是否共享原始数据:

IPD sharing

Yes

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

The way of sharing IPD”(include metadata and protocol, If use web-based public database, please provide the url):

https://cloud.clinflash.com/login

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

Data collection and Management (A standard data collection and management system include a CRF and an electronic data capture:

CRF, EDC

数据与安全监察委员会:

Data and Safety Monitoring Committee:

无/No

注册人:

Name of Registration:

 2025-10-20 17:23:56