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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03470389
Other study ID # JYLJ021
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date March 20, 2018
Est. completion date September 2020

Study information

Verified date December 2018
Source Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University
Contact Jiayun Lin
Phone +86 18017370556
Email lin_jiayun@outlook.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is a prospective, non-controlled, multicentre trial in patients with cirrhosis or portal hypertension. In this study, the investigators aim to establish the HVPG using biofluid mechanics (HVPGBFM) model using biofluid mechanics methods and validate the HVPGBFM model. A total of 200 patients will be recruited in this study and each patient will undergo computed tomography, blood tests, Doppler ultrasound and HVPG measurement. The study consists of two independent and consecutive cohorts: original cohort (100 patients) and validation cohort (100 patients). The researchers will establish and improve the HVPGBFM model in the original cohort and assess the model in the validation cohort.


Description:

Consecutive patients are randomly assigned 1:1 to either the original cohort or the validation cohort. Randomization is based on the computer-generated random digits table. This study consists of two independent and consecutive stages:

1. Establishment and improvement of the HVPGBFM model: For 100 patients in the original cohort, biofluid mechanics specialists will use each patient's computed tomography, blood tests, Doppler ultrasound and HVPG results to adjust the parameters of the HVPGBFM model in order to make each patient's HVPGBFM and HVPG values match well.

2. Assessment of the HVPGBFM model: For 100 patients in the validation cohort, biofluid mechanics specialists will use each patient's computed tomography, blood tests and Doppler ultrasound results to calculate each patient's HVPGBFM according to the HVPGBFM model established previously. Biofluid mechanics specialists will make no changes to the HVPGBFM model and will have no access to patients' HVPG results in this cohort. Finally, the researchers will compare each patient's HVPGBFM and HVPG value and make an assessment of the HVPGBFM model.

Each patient's HVPG measurement will be performed after finishing computed tomography, blood tests and Doppler ultrasound. These results and other clinical data will be inaccessible to professionals for HVPG measurements in order to prevent certain biases. Each patient's computed tomography, blood tests, Doppler ultrasound and HVPG measurement will be performed within 30 days and treatments that may affect HVPG value will be avoided during this period.


Recruitment information / eligibility

Status Recruiting
Enrollment 200
Est. completion date September 2020
Est. primary completion date September 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Be at least 18 years of age.

- Patients with cirrhosis or portal hypertension, scheduled for HVPG measurement.

Exclusion Criteria:

- Female patients who are pregnant or nursing.

- Patients who are medically unstable, terminally or seriously ill, or patients whose clinical course is unpredictable.

- Patients with clinically unstable cardiac disease, for example: congenital heart defect, arrhythmia, uncontrolled heart failure (NYHA Class IV).

- Patients with respiratory distress syndrome or clinically unstable pulmonary disease, for example: pulmonary hypertension, pulmonary emboli, pulmonary vasculitis, emphysema.

- Patients with severe coagulation disorders.

- Patients with unstable occlusive disease or thrombosis within the hepatic, portal, or mesenteric veins.

- Patients who are allergic to iodinated contrast.

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
HVPG measurement
Each patient's computed tomography, blood tests, Doppler ultrasound and HVPG measurement will be performed within 30 days and treatments that may affect HVPG value will be avoided during this period.

Locations

Country Name City State
China Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine Shanghai

Sponsors (3)

Lead Sponsor Collaborator
Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University RenJi Hospital, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Correlation between HVPGBFM and HVPG by Bland-Altman plot. The numeric correlation between HVPGBFM and HVPG will be analysed by using Bland and Altman's limits of agreement analysis. 7 days
Primary Correlation between HVPGBFM and HVPG by linear regression analysis. The numeric relationship between HVPGBFM and HVPG will be analysed by using linear regression analysis. 7 days
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