Hypertension Clinical Trial
— IFG to DMOfficial title:
Progression From Impaired Fasting Glucose to Type 2 Diabetes Mellitus Among Subjects With and Without Hypertension in Primary Care Setting
NCT number | NCT01807351 |
Other study ID # | KWC_REC_5522 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | March 7, 2013 |
Last updated | March 7, 2013 |
Start date | July 2012 |
Verified date | March 2013 |
Source | Kowloon Hospital, Hong Kong |
Contact | n/a |
Is FDA regulated | No |
Health authority | Hong Kong: Ethics Committee |
Study type | Observational |
Retrospective cohort of all the patients with elevated blood sugar (but no Diabetes) attending the study sites from 2002 to 2007. We retrieval their records to see how many of them actually developed diabetes. The patient's record will be followed up to 6 years after their first abnormally high blood sugar checked. We will measure their parameters including sex, age, pay code and whether they have hypertension or not to see what factors will increase risk of DM development.
Status | Completed |
Enrollment | 10000 |
Est. completion date | |
Est. primary completion date | December 2012 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria:We include all subjects age =18 attended the study centers with
laboratory diagnosis of IFG by blood sugar 6.1 mmol/l to 6.9 mmol/l checked from 2002 to
2007 in the 6 study centres. Exclusion Criteria:We excluded the subjects who have diagnosis of T2DM the years prior to the year of blood taken. We define T2DM by physician coding ICPC-2 of T90 Diabetes non-insulin dependent or prescription of antidiabetic drugs (British National Formulary(23) (BNF) section 6.1 and 6.2). We exclude the patients who had been admitted to Hong Kong Hospital Authority (HKHA)or attended HKHA specialty Clinic, or attended any GOPC with dispensing history of drug used in diabetes in BNF Section 6.1.1 insulins or 6.1.2 anti-diabetic drugs, or with ICPC coded with T90) during 1 Jan 2005 - 31 Dec 2006 (i.e. 2 year prior to starting of study period). We also excluded patient with the date of diagnosis of DM by above criteria earlier than the date of laboratory test results of IFG. |
Observational Model: Cohort, Time Perspective: Retrospective
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Kowloon Hospital, Hong Kong |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of subjects develope Diabetes Mellitus | We use the subject list drawn by the above criterion to retrieval the subsequent attendance record results annually (see Table 1 for the study method). Subjects are defined to have diagnosis of diabetes if they have physician coded of T90 or they have been prescribed of antidiabetic drugs (BNF(24) section 6.1 and 6.2). Each subjects of the cohort was followed to the date of IFG diagnosis and date of T2DM diagnosis. For IFG subjects who fulfilled the DM diagnosis criteria twice, only the earliest occurrence of T2DM diagnosis was recorded. Other outcomes we are going to measure include age, sex, paying status in the consultation we first diagnosed to have IFG. We will see whether they have physician diagnosis of hypertension by coding International Classification of Primary Care (ICPC-2) coded as K86 uncomplicated hypertension or K87 complicated hypertension, or they have been prescribed with antihypertensive drugs (British National Formulary BNF(24) section 2.5). |
2005 to 2012 | No |
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