Brain-derived Neurotrophic Factor and Cogntive Function
Brain-derived Neurotrophic Factor: A Link to Obesity, Insulin Resistance and Cognitive Dysfunktion?
Individuals with type 2 diabetes have an increased risk of developing cognitive dysfunction followed by dementia in late life. Obesity, physical inactivity and "systemic low-grade inflammation" are strong risk factors and play a crucial role in this network of diseases.
Brain-derived Neurotrophic factor (BDNF) is produced in brain as well as several tissues outside brain eg muscle cells. Low BDNF are associated with cognitive dysfuction, obesity and type 2 diabetes.
The investigators include 200 individuals divided into three groups: 80 individuals with type 2 diabetes, 80 age and BMI-matched controls and 40 individuals with impaired glucose tolerance.
The project will test the hypothesis, that low systemic BDNF are associated with accumulation of abdominal fat, cognitive dysfunction and insulin resistence with different effect in men and women.
연구 개요
상태
상세 설명
Methods:
200 individuals in age 40-65 years are recruited and categorized into 3 groups: 1. Type 2 Diabetes, 2. Impaired glucose Tolerance and 3. Normal Glucose Tolerance. Groups are supposed to be age and BMI-matched.
Measurements of systemic BDNF, cogntive function (memory, attention and langue), fitness, bodycomposition, glucose metabolism and systemic inflammation are done.
Multiple regression analysis are perfomed to explain variablity in cognitive function, with age, visceral fat and BDNF as explanotory varibales.
연구 유형
등록 (실제)
연락처 및 위치
연구 장소
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Copenhagen, 덴마크, 2100
- Centre of Inflammation and Metabolism
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
샘플링 방법
연구 인구
설명
Inclusion Criteria:
- 40-65 years of age
Exclusion Criteria:
- Chronic inflammatory diseases or infectious diseaases within 3 month prior to visit
- Fasting glucose > 12 mmol/l
- Hypertension: systolic >180 mmHg and Diastolic >110 mmHg
- Intake of more than 2 oral antidiabetic drugs or any TZD drung within 3 months before recruitment
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
코호트 및 개입
그룹/코호트 |
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Type 2 Diabetes
80 individuals with type 2 Diabetes, confirmed by an OGTT, age 40-65 years, BMI > 18.5 kg/m2 fatsing plasma glucose < 12 mmol/l
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Impaired glucose tolerance
40 individuals with impaired glucose tolerance.
age 40 -65 years, BMI > 18. 5 kg/m2
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Normal glucose tolerance
80 Individuals without type 2 diabetes Age 40-65 years, BMI >18.5 kg/m2.
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
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Systemic Brain derived neurotrophic factor
기간: Baseline
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Circulating Brain derived neurotropic factor will be analyzed in plasma and serum in middelaged volunteers.
Levels will be related to on one hand metabolic parameteres such as insulin sensitivity and glucose tolerance and on the other hand to cognitive functions measured by a cognitive test battery.
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Baseline
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
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Cognitive function and bodycompisition
기간: Baseline
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Results from cogntive measurements will by multiple regression analysis be related to bodycomposition (Intraabdominal fat, total bodyfat, waist) and fitness (single stage max-test).
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Baseline
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공동 작업자 및 조사자
연구 기록 날짜
연구 주요 날짜
연구 시작
기본 완료 (실제)
연구 완료 (예상)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (추정)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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