Investigation of the Pruritogens of Liver-related Diseases
1 other identifier
observational
200
1 country
1
Brief Summary
This study hopes investigate the itch-inducing ability of different potential pruritogen candidates of cholestasis pruritus, especially the intrahepatic cholestasis of pregnancy (ICP). In this study, a combination of skin application and needle-free subcutaneous injection was used to investigate whether human endogenous molecules can cause itching. And a questionnaire is used to quantify the intensity of different candidates-induced itch.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Apr 2024
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 10, 2024
CompletedFirst Posted
Study publicly available on registry
April 15, 2024
CompletedStudy Start
First participant enrolled
April 20, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
August 1, 2025
CompletedApril 16, 2024
April 1, 2024
1.3 years
April 10, 2024
April 14, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Itch intensity
by questionnaire
Half an hour after receiving the injection
Secondary Outcomes (1)
Flare areas
Half an hour after receiving the injection
Study Arms (1)
Healthy subjects
Healthy adult volunteers (aged 18-35 years)
Eligibility Criteria
Both male and female Healthy adult volunteers (aged 18-35 years)
You may qualify if:
- Healthy adult volunteers
You may not qualify if:
- People with mental disorders, bone or skeletal muscle disorders, psychological disorders, various skin diseases, allergic symptoms, and similar medical histories
- People with itching or pain symptoms
- People who were on medication
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Peking University
Beijing, Beijing Municipality, 100000, China
Related Publications (1)
Yu H, Zhao T, Liu S, Wu Q, Johnson O, Wu Z, Zhuang Z, Shi Y, Peng L, He R, Yang Y, Sun J, Wang X, Xu H, Zeng Z, Zou P, Lei X, Luo W, Li Y. MRGPRX4 is a bile acid receptor for human cholestatic itch. Elife. 2019 Sep 10;8:e48431. doi: 10.7554/eLife.48431.
PMID: 31500698BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Yulong Li
Peking University
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- ECOLOGIC OR COMMUNITY
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 10, 2024
First Posted
April 15, 2024
Study Start
April 20, 2024
Primary Completion
August 1, 2025
Study Completion
August 1, 2025
Last Updated
April 16, 2024
Record last verified: 2024-04
Data Sharing
- IPD Sharing
- Will not share
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