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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01082796
Other study ID # SIMM-DMPK-090903
Secondary ID
Status Completed
Phase N/A
First received March 4, 2010
Last updated March 8, 2010
Start date November 2009
Est. completion date January 2010

Study information

Verified date November 2009
Source Chinese Academy of Sciences
Contact n/a
Is FDA regulated No
Health authority China: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

Diabetes mellitus is a growing global disease now and future, and in China, 1.2 million peoples per year have been diagnosed as diabetes mellitus. 90% diabetes mellitus patient is Type 2 diabetes mellitus. Glipizide is a potent drug to service patients who suffer from Type 2 disease. Little information has been presented for the relationship between CYP2C19 genetic polymorphism and glipizide, since recently the investigators reported that there existed a tendency. In this study the investigators found that CYP2C19 polymorphism significantly influenced the pharmacokinetics of glipizide.


Description:

Blood samples were obtained from 127 unrelated healthy male Chinese subjects in Gansu Province. After genotyping, 14 subjects (age, 19-26; weight, 59.5-70.0 kg) were enrolled in the study. They were divided into two groups, EMs homo and PMs group. There were no significant differences in age or body weight seen in the two groups.

Each subject received 5 mg glipizide extended release tablet once daily for 7 days. For the first 6 days, glipizide was administered just after a standard breakfast. On day 7, after an overnight fast, each subject received a glipizide extended released tablet (Glucotrol XL, Pfizer, USA) with 100 mL water. Standard meals were given in 4 h and 10 h after dosing. Venous blood samples were collected immediately before and at 2, 4, 6, 8, 10, 12, 14, 16, 20, 24, 36, and 48 h after dosing. Blood samples, collected in EDTA tubes, were centrifuged (2500 g) immediately for 10 min and plasma samples separated were stored at -80ÂșC until assay.

For safety, blood glucose levels were determined directly by use of a Glucose Meter (Accu-Chek, Roche, Germany) at 0, 2, 4, 6, 8, 10, 12, 14, 16, 20and 24 h after last dosing (on day 7).


Recruitment information / eligibility

Status Completed
Enrollment 14
Est. completion date January 2010
Est. primary completion date
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Male
Age group 18 Years to 40 Years
Eligibility Inclusion Criteria:

- male

- healthy

- nonsmokers

Exclusion Criteria:

- BMI > 24 or BMI < 19

- had any family history of diabetes mellitus

Study Design

Allocation: Non-Randomized, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Health Services Research


Related Conditions & MeSH terms


Intervention

Drug:
Glipizide
Each subject received 5 mg glipizide extended release tablet once daily for 7 days.

Locations

Country Name City State
China Departmant of Clinical Pharmacology, the First Affiliated Hospital of Lanzhou University Lanzhou Gansu

Sponsors (2)

Lead Sponsor Collaborator
Chinese Academy of Sciences LanZhou University

Country where clinical trial is conducted

China, 

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