ChiCTR2500105612 版本V1.0 版本创建时间2025/07/08 08:26:50 中国临床试验注册中心

审核状态:

Project audit state:

通过审核

Successful

注册号:

Registration number:

ChiCTR2500105612 

最近更新日期:

Date of Last Refreshed on:

2025-07-08 08:26:27 

注册时间:

Date of Registration:

2025-07-08 00:00:00 

注册号状态:

预注册

Registration Status:

Prospective registration

注册题目:

宁波市沿海区域腹泻病原体致泻性大肠埃希菌的精准分子分型与耐药特性研究

Public title:

Precise molecular typing and drug resistance of diarrheagenic Escherichia coli isolated from diarrhea pathogens in the coastal area of Ningbo city

注册题目简写:

English Acronym:

研究课题的正式科学名称:

宁波市沿海区域腹泻病原体致泻性大肠埃希菌的精准分子分型与耐药特性研究

Scientific title:

Precise molecular typing and drug resistance of diarrheagenic Escherichia coli isolated from diarrhea pathogens in the coastal area of Ningbo city

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:

夏雪飞 

研究负责人:

夏雪飞 

Applicant:

Xia Xuefei 

Study leader:

Xia Xuefei 

申请注册联系人电话:

Applicant telephone:

+86 15258192524

研究负责人电话:

Study leader's
telephone:

+86 574 86776228

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:

506433325@qq.com

研究负责人电子邮件:

Study leader's E-mail:

506433325@qq.com

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:

浙江省宁波市北仑区庐山东路1288号北仑区人民医院

研究负责人通讯地址:

浙江省宁波市庐山东路1288号

Applicant address:

Beilun District People's Hospital, 1288 East Lushan Road, Beilun District, Ningbo City, Zhejiang Pro

Study leader's address:

No. 1288, Lushan East Road, Ningbo , Zhejiang

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:

宁波市北仑区人民医院

Applicant's institution:

Beilun District People's Hospital of Ningbo

研究负责人所在单位:

宁波市北仑区人民医院

Affiliation of the Leader:

Ningbo Beilun People’s Hospital

是否获伦理委员会批准:

Approved by ethic committee:

Yes

伦理委员会批件文号:

Approved No. of ethic committee:

宁波市北仑区人民医院伦审2025研第040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:

宁波市北仑区人民医院伦理委员会

Name of the ethic committee:

Ethics Committee of Beilun District People's Hospital, Ningbo

伦理委员会批准日期:

Date of approved by ethic committee:

2025-06-10 00:00:00

伦理委员会联系人:

汪碧亚

Contact Name of the ethic committee:

Wang Biya

伦理委员会联系地址:

浙江省宁波市庐山东路1288号

Contact Address of the ethic committee:

No. 1288, Lushan East Road, Ningbo , Zhejiang

伦理委员会联系人电话:

Contact phone of the ethic committee:

+86 574 86776056

伦理委员会联系人邮箱:

Contact email of the ethic committee:

28148538@qq.com

研究实施负责(组长)单位:

宁波市北仑区人民医院

Primary sponsor:

Ningbo Beilun People’s Hospital

研究实施负责(组长)单位地址:

浙江省宁波市庐山东路1288号

Primary sponsor's address:

No. 1288, Lushan East Road, Ningbo , Zhejiang

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

市(区县):

Country:

China

Province:

Zhejiang

City:

单位(医院):

宁波市北仑区人民医院

具体地址:

浙江省宁波市庐山东路1288号

Institution
hospital:

Ningbo Beilun People’s Hospital

Address:

No. 1288, Lushan East Road, Ningbo , Zhejiang

经费或物资来源:

2025年度北仑区卫生健康科技计划项目

Source(s) of funding:

Health Science and Technology Program of Beilun District in 2025

研究疾病:

自述有可疑食物史,每日排便≥3 次且粪便性状异常(水样便、黏液便或脓血便等),以腹泻症状为主的感染病例。  

Target disease:

The main symptoms of the cases were diarrhea, with a history of suspicious food, defecation more than 3 times a day and abnormal stool characters (watery, mucous or bloody, purulent stool, etc.).

研究疾病代码:

Target disease code:

研究类型:

观察性研究

Study type:

Observational study

研究所处阶段:

其它 

Study phase:

N/A

研究设计:

横断面 

Study design:

Cross-sectional 

研究目的:

明确本地区致泻性大肠埃希菌的流行情况、分子分型、优势基因型及耐药特征,为区域内DEC引起的感染性腹泻防控工作和临床诊治提供科学依据,指导临床合理使用抗菌药物。  

Objectives of Study:

To understand the prevalence, molecular typing, predominant genotypes and drug resistance of diarrheagenic Escherichia coli (E. coli) in this area, and to provide scientific basis for the prevention and control of infectious diarrhea caused by DEC and clinical diagnosis and treatment, and to guide the rational use of antibiotics.

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.自述有可疑食物史,每日排便≥3 次且粪便性状异常(水样便、黏液便或脓血便等),以腹泻症状为主的感染病例。

Inclusion criteria

1.The main symptoms of the cases were diarrhea, with a history of suspicious food, defecation more than 3 times a day and abnormal stool characters (watery, mucous or bloody, purulent stool, etc.).

排除标准:

1.同一人员≤14天因腹泻再次就诊的病例。
2.具有明确病因如克隆病、囊性纤维化、乳糜泻、生理性腹泻等非感染性腹泻的病例。
3.就诊前已服用过≥1种抗生素药物的腹泻患者。

Exclusion criteria:

1.Revisiting for diarrhea in the same person within 14 days; 2.Non-infectious diarrhea with clear etiology such as Crohn's disease, cystic fibrosis, celiac disease, physiological diarrhea; 3.Patients with diarrhea who had taken >=1 antibiotic before the visit.

研究实施时间:

Study execute time:

From 2025-07-15 00:00:00 To 2027-05-31 00:00:00  

征募观察对象时间:

Recruiting time:

From 2025-07-15 00:00:00 To 2027-05-31 00:00:00

干预措施:

Interventions:

组别:

观察组

样本量:

300

Group:

Observation group

Sample size:

干预措施:

干预措施代码:

Intervention:

None

Intervention code:

研究实施地点:

Countries of recruitment and research settings:

国家:

中国

省(直辖市):

浙江 

市(区县):

 

Country:

China

Province:

Zhejiang

City:

单位(医院):

宁波市北仑区人民医院 

单位级别:

三级乙等 

Institution
hospital:

Ningbo Beilun People’s Hospital

Level of the institution:

Tertiary B

测量指标:

Outcomes:

指标中文名:

大肠埃希菌分离培养情况

指标类型:

次要指标

Outcome:

Escherichia coli was isolated and cultured situation

Type:

Secondary indicator

测量时间点:

2025年7月至2026年5月

测量方法:

参照GB4789.6-2016标准进行接种培养、质谱鉴定、分纯保存。

Measure time point of outcome:

From July 2025 to May 2026

Measure method:

According to the GB4789.6-2016 standard, the inoculation culture, mass spectrometry identification, and purity preservation were carried out.

指标中文名:

耐药性分析

指标类型:

主要指标

Outcome:

Analysis of drug resistance

Type:

Primary indicator

测量时间点:

2025年7月至2026年5月

测量方法:

采用微量肉汤稀释法进行药敏实验,质控方法和结果判定按照CLSI最新版标准执行。

Measure time point of outcome:

From July 2025 to May 2026

Measure method:

The antimicrobial susceptibility test was performed by broth microdilution method. The quality control methods and results were determined according to the latest CLSI standard.

指标中文名:

DEC多重PCR鉴定分型结果

指标类型:

主要指标

Outcome:

DEC was identified by multiplex PCR result

Type:

Primary indicator

测量时间点:

2025年7月至2026年5月

测量方法:

视实际菌株量结合成本采用普通多重PCR法或多重荧光PCR法检测致泻大肠埃希菌的12种毒力基因, 扩增结果参照GB 4789.6-2016标准对DEC作确认分型。

Measure time point of outcome:

From July 2025 to May 2026

Measure method:

According to the actual strain quantity and cost, 12 kinds of virulence genes of E. coli were detected by ordinary multiplex PCR or multiplex fluorescent PCR. The results of amplification were confirmed by typing according to GB 4789.6-2016 standard.

指标中文名:

DEC的ST分型

指标类型:

主要指标

Outcome:

ST typing of DEC

Type:

Primary indicator

测量时间点:

2026年6月至2027年5月

测量方法:

采用MLST测序,通过序列比对,确定菌株ST型。

Measure time point of outcome:

From June 2026 to May 2027

Measure method:

MLST sequencing was used to determine the ST type of the strains through sequence alignment.

采集人体标本:

Collecting sample(s)
from participants:

标本中文名:

粪便

组织:

Sample Name:

faeces

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 years
最大 Max age 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:

开放标签

Blinding:

Open-label study

是否共享原始数据:

IPD sharing

否No

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):

不共享,若有需要可以联系课题负责人咨询索取。

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

No sharing. If necessary, please contact the project leader for consultation.

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:

样本临床信息登记及检测结果记录,并建数据库管理。

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

The clinical information of the samples and the test results were recorded, and the database management was established.

数据与安全监察委员会:

Data and Safety Monitoring Committee:

无/No

注册人:

Name of Registration:

 2025-07-08 08:26:27