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审核状态: Project audit state: |
通过审核 Successful |
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注册号: Registration number: |
ChiCTR2400083807 |
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最近更新日期: Date of Last Refreshed on: |
2024-05-04 22:30:08 |
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注册时间: Date of Registration: |
2024-05-04 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: |
奥法妥木单抗治疗AchR抗体阳性全身型重症肌无力患者的疗效和安全性研究 |
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Public title: |
A Study on the Efficacy and Safety of Ocrelizumab in the Treatment of AchR Antibody Positive Generalized Myasthenia Gravis Patients |
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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: |
奥法妥木单抗治疗AchR抗体阳性全身型重症肌无力患者的疗效和安全性研究 |
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Scientific title: |
A Study on the Efficacy and Safety of Ocrelizumab in the Treatment of AchR Antibody Positive Generalized Myasthenia Gravis Patients |
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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: |
宋晓东 |
研究负责人: |
张兆旭 |
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Applicant: |
Xiaodong Song |
Study leader: |
Zhaoxu Zhang |
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申请注册联系人电话: Applicant telephone: |
+86 155 1017 0825 |
研究负责人电话: Study leader's telephone: |
+86 139 1159 9635 |
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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: |
2018yiding6@sina.com |
研究负责人电子邮件: Study leader's E-mail: |
zhangzhaoxu33@163.com |
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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: |
北京市区西城区西直门南大街11号,北京大学人民医院,神经内科 |
研究负责人通讯地址: |
北京市区西城区西直门南大街11号,北京大学人民医院,神经内科 |
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Applicant address: |
Department of Neurology, Peking University People's Hospital, 11 Xizhimennei Street South, Xicheng District, Beijing City. |
Study leader's address: |
Department of Neurology, Peking University People's Hospital, 11 Xizhimennei Street South, Xicheng District, Beijing City. |
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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: |
北京大学人民医院 |
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Applicant's institution: |
Peking University People's Hospital |
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研究负责人所在单位: |
北京大学人民医院 |
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Affiliation of the Leader: |
Peking University People's Hospital |
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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: |
2023PHB402-004 |
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: |
北京大学人民医院伦理审查委员会 |
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Name of the ethic committee: |
Ethics Review Committee of Peking University People's Hospital |
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伦理委员会批准日期: Date of approved by ethic committee: |
2023-12-26 00:00:00 |
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伦理委员会联系人: |
母双 |
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Contact Name of the ethic committee: |
Mu Shuang |
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伦理委员会联系地址: |
北京市西城区西直门南大街11号 |
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Contact Address of the ethic committee: |
11 Xizhimen Street South, Xicheng District, Beijing, China |
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伦理委员会联系人电话: Contact phone of the ethic committee: |
+86 10 8832 4516 |
伦理委员会联系人邮箱: Contact email of the ethic committee: |
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研究实施负责(组长)单位: |
北京大学人民医院 |
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Primary sponsor: |
Peking University People's Hospital |
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研究实施负责(组长)单位地址: |
北京市西城区西直门南大街11号 |
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Primary sponsor's address: |
11 Xizhimen Street South, Xicheng District, Beijing, China |
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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: |
研究资助方为国家自然科学基金(81303013) |
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Source(s) of funding: |
The research was funded by the National Natural Science Foundation of China (81303013) |
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Target disease: |
Myasthenia gravis |
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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: |
II期临床试验 | ||||||||||||||||||||||
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Study phase: |
2 |
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研究设计: |
随机平行对照 |
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Study design: |
Parallel |
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研究目的: |
评估奥法妥木单抗治疗AchR抗体阳性全身型重症肌无力的有效性和安全性 |
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Objectives of Study: |
Evaluation of the Efficacy and Safety of Ocrelizumab in the Treatment of AchR Antibody Positive Generalized Myasthenia Gravis |
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药物成份或治疗方案详述: |
奥法妥木单抗组受试者患者在第1天、第7天和第14天给予20mg的奥法妥木单抗负荷剂量后,每4周给予20mg的皮下注射剂量。对照组患者接受除奥法妥木单抗治疗外的重症肌无力常规标准治疗方案。 |
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Description for medicine or protocol of treatment in detail: |
In the Ocrelizumab group, subjects received a loading dose of 20mg of Ocrelizumab on Day 1, Day 7, and Day 14, followed by a subcutaneous injection of 20mg every 4 weeks. The control group received standard treatment for myasthenia gravis, excluding Ocrelizumab therapy |
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纳入标准: |
入选标准 (1)患者自愿签署知情同意书; (2)诊断为全身型AchR阳性的MG的患者,且满足以下条件: ?某些特定的横纹肌群肌无力呈斑片状分布,表现出波动性和易疲劳性;肌无力症状晨轻暮重,持续活动后加重,休息后缓解、好转; ?新斯的明试验阳性(许氏定量评价法); 和/或肌电图检查:重复神经电刺激(RNS)检查至少1个所见神经低频刺激波幅递减10%以上,或单纤维肌电图(SFEMG)检查显示2个或2个以上“颤抖”增宽; ?排除其他导致肌无力的综合征,如Guillain-Barré 综合征、Lambert-Eaton肌无力综合征等; ?患者必须接受过两种或两种以上免疫抑制疗法的治疗,或至少接受过一种免疫抑制疗法,每年至少进行四次静脉注射免疫球蛋白或血浆置换,且持续12个月症状未得到控制。 (3)血清学检测AChR-Ab阳性; (4) 美国重症肌无力基金会(MGFA)临床分型Ⅱ型(包括Ⅱa型和Ⅱb型)、 Ⅲ型(包括Ⅲa型和Ⅲb型)或IVa 型; (5)重症肌无力日常活动评价量表(MG-ADL)≥6分,且眼部相关评分小于总分的 50%; (6)重症肌无力定量评分(QMG)≥8分,且≥4个项目评分至少2分以上; (7)维持稳定的标准治疗方案,标准治疗方案指稳定的使用下列任何一种(单独或联用): a.胆碱酯酶抑制剂:至少临床试验开始前2周内保持稳定,要求使用剂量≤480 mg/天; b.糖皮质激素:泼尼松剂量≤40 mg/天或其他等效剂量激素,至少临床试验开始前1个月保持稳定; c.免疫抑制剂: 硫唑嘌呤:至少临床试验开始前6个月开始用药,并且试验开始前3个月用药剂量保持稳定; 吗替麦考酚酯:至少在试验开始前3个月保持稳定; 甲氨蝶呤:至少在试验开始前3个月保持稳定; 环孢素或他克莫司:至少在试验开始前3 个月保持稳定。 |
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Inclusion criteria |
Inclusion Criteria: 1. Voluntary signing of informed consent by the patients. 2. Diagnosis of AchR antibody-positive generalized MG meeting the following criteria: - Presentation of weakness in certain specific striated muscle groups with patchy distribution, characterized by fluctuation and fatigability. - Symptoms of weakness are worse in the morning and improve after rest; exacerbation after sustained activity and relief/improvement after rest. - Positive result on the neostigmine test (quantitative assessment method by Edrophonium). - and/or Electromyography (EMG) examination: - Repetitive nerve stimulation (RNS) test showing a decrement of more than 10% in amplitude with low-frequency stimulation on at least one nerve, or Single Fiber Electromyography (SFEMG) showing widening of two or more "jitter" measurements. - Exclusion of other syndromes causing weakness, such as Guillain-Barré syndrome, Lambert-Eaton myasthenic syndrome, etc. - Patients must have received treatment with two or more immunosuppressive therapies, or at least one immunosuppressive therapy with at least four intravenous injections of immunoglobulin or plasma exchange per year for 12 months without symptom control. 3. Positive serum AChR-Ab test. 4. Clinical classification according to the Myasthenia Gravis Foundation of America (MGFA): II (including IIa and IIb), III (including IIIa and IIIb), or IVa. 5. Myasthenia Gravis Activities of Daily Living (MG-ADL) score ≥ 6, and ocular-related score less than 50% of the total score. 6. Quantitative Myasthenia Gravis (QMG) score ≥ 8, with at least 2 points in at least 4 items. 7. Maintenance of stable standard treatment regimen, which includes stable use of any one or combination of the following: a. Acetylcholinesterase inhibitors: Stable use for at least 2 weeks prior to the start of the clinical trial, with a dose ≤ 480 mg/day. b. Corticosteroids: Prednisone dose ≤ 40 mg/day or equivalent steroid, maintained for at least 1 month before the start of the clinical trial. c. Immunosuppressants: - Azathioprine: Initiated at least 6 months prior to the start of the trial, and the dosage maintained stable for at least 3 months before the trial. - Mycophenolate mofetil: Maintained stable for at least 3 months before the trial. - Methotrexate: Maintained stable for at least 3 months before the trial. - Cyclosporine or tacrolimus: Maintained stable for at least 3 months before the trial. |
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排除标准: |
排除标准 (1)合并其他自身免疫性疾病,如系统性红斑狼疮、类风湿关节炎、干燥综合征等,但经研究者评估可以参加试验的甲亢和甲减患者可以不排除; (2)实验室指标明显异常(如肌酐异常升高) (3)在临床试验开展前1个月内使用除标准治疗外的其他免疫抑制剂; (4)在临床试验开展前6个月内使用过生物制剂靶向治疗,如利妥昔单抗、补体C5 抑制剂等; (5)在临床试验开展前2月内使用新生儿Fc受体(FcRn)拮抗剂、注射用免疫球蛋白或进行血浆置换治疗; (6)患有显著的心血管疾病(包括严重心律失常)、肝脏、肾脏、呼吸系统、内分泌或血液学疾病,或存在其他研究者认为会妨碍受试者参与研究或在研究期间需要住院治疗的医学情况; (7)患有需要治疗的急性或慢性感染,具体如下: ?基线前4周内正在接受任何抗感染治疗(如结核、肺孢子虫、巨细胞病毒、单纯疱疹病毒、带状疱疹或非典型分枝杆菌) ?基线前60天内入院接受抗感染治疗 ?基线前60天内出现需要静脉使用抗生素(抗细菌药、抗病毒药、抗真菌药或抗寄生虫药)治疗的感染 (8)目前患有活动性肝炎或患有肝脏严重病变及病史者。乙型肝炎:排除HBsAg 为阳性的患者。HBsAg为阴性但HBcAb 为阳性的患者,需要通过HBV-DNA检测来说明其情况:如果HBV-DNA阳性,患者被排除,不得参加研究;如果 HBV-DNA阴性,患者可以参加研究。丙型肝炎:排除丙型肝炎抗体为阳性的患者; (9)HIV抗体阳性患者; (10) 筛选前4周内检测结果阳性提示COVID-19 感染的患者; (11) 筛选前12 个月内有需要住院治疗的严重COVID-19病程史的患者; (12) 控制不佳的糖尿病患者:糖化血红蛋白>9.0% 或者空腹血糖≥11.1mmol/L; (13) 目前患有胸腺瘤相关免疫缺陷综合征(Good 综合征),或筛选前6个 月内接受胸腺手术; (14) 试验开始前3个月内接受过或计划在研究期间接受任何活疫苗或新冠肺炎疫苗(包括鼻喷剂型); (15) 恶性肿瘤患者; (16) 对人源性生物制品过敏; (17) 在临床试验开展前28天参加过任何临床试验或在参加临床试验的研究药物5倍半衰期内(取时间较长者); (18) 正处于妊娠期或哺乳期的女性及试验期间有生育计划的患者; (19) 已知存在可能对遵从试验要求产生影响的酒精或药物滥用/成瘾; (20) 研究者认为不适合参加试验的患者(例如严重的精神障碍患者)。 |
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Exclusion criteria: |
Exclusion Criteria: 1. Concomitant autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis, Sj?gren's syndrome, etc., except for patients with Graves' disease or hypothyroidism as evaluated by the investigator. 2. Significant abnormalities in laboratory indicators (e.g., markedly elevated creatinine). 3. Use of immunosuppressive agents other than standard treatment within the month preceding the clinical trial. 4. Use of biologics targeting therapy, such as Rituximab, complement C5 inhibitors, within 6 months before the clinical trial. 5. Use of neonatal Fc receptor (FcRn) antagonists, intravenous immunoglobulin, or plasma exchange therapy within 2 months before the clinical trial. 6. Presence of significant cardiovascular diseases (including severe arrhythmias), hepatic, renal, respiratory, endocrine, or hematological disorders, or any other medical condition deemed by the investigator to interfere with the subject's participation in the study or require hospitalization during the study. 7. Presence of acute or chronic infections requiring treatment, as follows: - Receipt of any anti-infective therapy (such as for tuberculosis, Pneumocystis, cytomegalovirus, herpes simplex virus, herpes zoster, or atypical mycobacteria) within the 4 weeks prior to baseline. - Hospitalization for anti-infective therapy within 60 days prior to baseline. - Occurrence of infections requiring intravenous antibiotics (antibacterial, antiviral, antifungal, or antiparasitic) within 60 days prior to baseline. 8. Current active hepatitis or history of severe liver disease. For hepatitis B: exclusion of patients with positive HBsAg. For patients with negative HBsAg but positive HBcAb, HBV-DNA testing is required to determine eligibility: patients with positive HBV-DNA are excluded from the study, while those with negative HBV-DNA can participate. For hepatitis C: exclusion of patients with positive hepatitis C antibodies. 9. Patients with positive HIV antibodies. 10. Patients with positive test results for COVID-19 infection within the 4 weeks preceding screening. 11. Patients with a history of severe COVID-19 requiring hospitalization within the 12 months preceding screening. 12. Poorly controlled diabetic patients: glycosylated hemoglobin > 9.0% or fasting blood glucose ≥ 11.1 mmol/L. 13. Patients currently suffering from thymoma-associated immunodeficiency syndrome (Good's syndrome), or those who have undergone thymectomy within 6 months before screening. 14. Receipt of or planned receipt of any live vaccines or COVID-19 vaccines (including nasal spray) within the 3 months before the start of the study. 15. Patients with malignant tumors. 16. Known allergy to human-derived biologics. 17. Participation in any other clinical trial within 28 days prior to the start of the study or within 5 times the half-life of investigational drugs used in clinical trials (whichever is longer). 18. Pregnant or lactating women, or patients planning to conceive during the trial. 19. Known alcohol or drug abuse/addiction that may affect compliance with trial requirements. 20. Patients deemed unsuitable for participation in the trial by the investigator (e.g., severe psychiatric disorders). |
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研究实施时间: Study execute time: |
从 From 2024-05-02 00:00:00至 To 2025-05-31 00:00:00 |
征募观察对象时间: Recruiting time: |
从From 2024-05-04 00:00:00 至 To 2025-05-31 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): |
简单随机化分组,用计算机产生随机数来进行随机化, 患者被分配至奥法妥木单抗组或常规标准治疗组 |
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Randomization Procedure (please state who generates the random number sequence and by what method): |
Simple randomization was conducted using computer-generated random numbers to allocate patients into either the Ocrelizumab group or the standard treatment group |
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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: |
公开/Public |
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盲法: |
无 |
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Blinding: |
None |
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试验完成后的统计结果(上传文件): |
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Calculated Results after
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是否共享原始数据: IPD sharing |
No |
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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): |
Medidata https://www.imedidata.com |
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The way of sharing IPD”(include metadata and protocol, If use web-based public database, please provide the url): |
Medidata https://www.imedidata.com |
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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: |
病例记录表和数据管理 |
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Data collection and Management (A standard data collection and management system include a CRF and an electronic data capture: |
CRF and data management |
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数据与安全监察委员会: Data and Safety Monitoring Committee: |
暂未确定/Not yet |