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| Name | Class |
|---|---|
| Agricultural Producers' Cooperative Corporation Shinpo-en | UNKNOWN |
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The purpose of the present study is to evaluate the effect of blueberry dry powder on glycemic status (fasting plasma glucose, 2h glucose concentration after the oral glucose tolerance test (OGTT), or HbA1c) in subjects with prediabetes.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Low dose of blueberry dry powder | Experimental | 0.5 g blueberry dry powder, twice a day for 12 weeks |
|
| High dose of blueberry dry powder | Experimental | 5.0 g blueberry dry powder, twice a day for 12 weeks |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Low dose of blueberry dry powder | Dietary Supplement |
| ||
| High dose of blueberry dry powder |
| Measure | Description | Time Frame |
|---|---|---|
| Change in fasting plasma glucose from baseline | Every 6 weeks (Overall 12 weeks) | |
| Change in 2h glucose concentration after the oral glucose tolerance test (OGTT) from baseline | Weeks 0 and 12 | |
| Change in HbA1c from baseline | Weeks 0 and 12 |
| Measure | Description | Time Frame |
|---|---|---|
| Change in glycoalbumin from baseline | Every 6 weeks (Overall 12 weeks) | |
| Change in fasting insulin from baseline | Weeks 0 and 12 | |
| Change in homeostasis model assessment-insulin resistance (HOMA-R) from baseline |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Fumiko Higashikawa, PhD | Hiroshima University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hiroshima University | Hiroshima | Hiroshima | 734-8551 | Japan |
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| ID | Term |
|---|---|
| D011236 | Prediabetic State |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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| Dietary Supplement |
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HOMA-R is calculated as fasting insulin (mU/mL) x fasting glucose (mg/dL) / 405 |
| Weeks 0 and 12 |
| Change in serum C-peptide from baseline | Weeks 0 and 12 |
| D004700 | Endocrine System Diseases |