- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03942458
Pharmacokinetics and Pharmacodynamics of Vicagrel in Healthy Adult Subjects of Different CYP2C19
September 18, 2019 updated by: Jiangsu vcare pharmaceutical technology co., LTD
This study is a single-center, randomized, open, two-cycle crossover, clopidogrel control, multiple dosing study.
The aim was to evaluate the pharmacokinetic/pharmacodynamic behavior of different metabolites of CYP2C19 in healthy subjects.
The study enrolled 48 patients, divided into three groups of CYP2C19 fast metabolite, middle metabolite, and slow metabolism, 16 cases in each group.
All groups of subjects were administered for 7 days in the first cycle, once a day (loading dose on the first day, maintenance dose on other days), and entering the 14-day washout period after the end of the first cycle.
The second cycle was entered, and the second cycle was administered for 7 days, once a day (the first day was given a loading dose, and the other days were given a maintenance dose).
Blood was collected before and after administration of D1, D7, D22, and D28, and PK/PD was measured.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
50
Phase
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Jilin
-
Chang chun, Jilin, China, 130021
- The First Hospital of Jilin University
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 45 years (Adult)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Voluntary signing of informed consent before the trial, and full understanding of the experimental content, process and possible adverse reactions;
- Subjects with ability and adherence to trial protocol;
- Subjects (including partners) voluntarily take effective contraceptive measures from screening to the last study drug administration within 6 months;
- Male and female aged 18-45,gender is unlimited (including 18 and 45 years old);
- Male Weight ≥50 kg, female Weight ≥ 45 kg, and BMI ranging from 18 to 28 kg/m2 (including critical values);
- Physical examination, normal or abnormal vital signs have no clinical significance (reference range of vital signs: systolic blood pressure 90-150 mmHg, diastolic blood pressure 50-95 mmHg, pulse 50-110 beats/min, body temperature 35.5-37.2 °C);
- CYP2C19 rapid metabolizers (CYP2C19*1/*1), or intermediate metabolizers (CYP2C19*1/*2, CYP2C19*1/*3), or poor metabolizers (CYP2C19*2/*2, CYP2C19*2/* 3, CYP2C19*3/*3).
Exclusion Criteria:
- More than 5 cigarettes per day 3 months before the trial;
- History of allergies or allergies to the drug (two or more drugs or food allergies);
- History of drug and/or alcohol abuse (14 units of alcohol per week: 1 unit = 285 mL of beer, or 25 mL of spirits, or 100 mL of wine);
- Donate blood or massive blood loss (> 450 mL) within 3 months prior to formal screening;
- Take any drug that alters the activity of CYP450s within 28 days before the formal screening;
- Take any prescription, non-prescription, any vitamin or herbal medicine within 14 days of the formal screening;
- Take special diet (including dragon fruit, mango, grapefruit, etc.) within 2 weeks before the formal screening, or have strenuous exercise, or other factors affecting drug absorption, distribution, metabolism, excretion, etc.;
- Taking inhibitors or inducers of the CYP3A4, P-gp or Bcrp Currently, such as itraconazole, ketoconazole or dronedarone;
- Recently there have been major changes in diet or exercise habits;
- Taking other research drugs or participating in clinical trials within 3 months before taking the study drug;
- History of dysphagia or any gastrointestinal disease affecting drug absorption;
- Have any disease that increases the risk of bleeding, such as acute gastritis, stomach and duodenal ulcers, thrombocytopenic purpura, hemophilia, and so on;
- ECG abnormalities have clinical significance;
- Female subjects are in lactation or have a positive of pregnancy test;
- Clinical laboratory abnormalities have clinical significance or other clinically significant abnormalities (including but not limited to gastrointestinal, kidney, liver, nerve, blood, endocrine, tumor, lung, immune, mental or cardiovascular and cerebrovascular diseases);
- Infectious diseases (two pairs of hepatitis B, hepatitis C antibodies, HIV, Treponema pallidum antibodies) have positive results;
- Acute disease or concomitant medication from the screening to the study;
- Taking chocolate, any food or drink with caffeine or jaundice-rich within 48 hours before taking the study drug;
- Any alcoholic product or alcohol breath test positive within 24 hours before taking the study drug;
- Urine drug test (morphine, marijuana) is positive;
- The investigator believes that there are other factors who are not suitable for participating in the test.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Vicagrel
Vicagrel 24mg loading followed by 6mg/day for 6 days
|
Vicagrel 24mg loading followed by 6mg/day for 6 days
|
Active Comparator: Clopidogrel
Clopidogrel 300mg loading followed by 75mg/day for 6 days
|
Clopidogrel 300mg loading followed by 75mg/day for 6 days
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Peak Plasma Concentration (Cmax)
Time Frame: 1 day,7 days after taking drugs
|
To evaluate the Peak Plasma Concentration (Cmax) after taking drugs
|
1 day,7 days after taking drugs
|
Area under the plasma concentration versus time curve (AUC)
Time Frame: 1 day,7 days after taking drugs
|
To evaluate the AUC after taking drugsl
|
1 day,7 days after taking drugs
|
Time to maximum plasma concentration (Tmax)
Time Frame: 1 day,7 days after taking drugs
|
To evaluate the Tmax after taking drugs
|
1 day,7 days after taking drugs
|
terminal half-life (T1/2)
Time Frame: 1 day,7 days after taking drugs
|
To evaluate the T1/2 after taking drugs
|
1 day,7 days after taking drugs
|
inhibition of platelet aggregation
Time Frame: 1 day,7 days after taking drugs
|
To evluate the inhibition of platelet aggregation assessed by Verifynow System after taking drugs
|
1 day,7 days after taking drugs
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
April 3, 2019
Primary Completion (Actual)
June 28, 2019
Study Completion (Actual)
September 3, 2019
Study Registration Dates
First Submitted
April 24, 2019
First Submitted That Met QC Criteria
May 6, 2019
First Posted (Actual)
May 8, 2019
Study Record Updates
Last Update Posted (Actual)
September 19, 2019
Last Update Submitted That Met QC Criteria
September 18, 2019
Last Verified
March 1, 2019
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- VCP1-Ⅰ-04
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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