Please select the eligibility criteria that correspond to the clinical trial below.
Title: Effect of Low Glycemic Index Diets on Glucose Control in Non-Insulin Dependent Diabetics
Brief Summary: Large observational studies have shown cereal fiber to protect from diabetes and heart disease. Despite the success of acarbose, an α-glucosidase hydrolase inhibitor, which lowers the glycemic index of foods containing starch, sucrose and maltodextrins, the use of diets containing low glycemic index foods still remains to be established. We will therefore provide otherwise healthy individuals with type 2 diabetes intensive counseling on food selection either to improve glucose control using high cereal fiber dietary strategies or low glycemic index foods. Studies will last 6 months with bloods taken for HbA1c, glucose and blood lipids. If the study shows a benefit for either or both diets then use of high fiber and/or low glycemic index foods in the diet may provide another potential way to improve glucose control and lower cholesterol levels in non-insulin dependent diabetes.


Options:
A: Inclusion Criteria:

* Families with healthy adults and children

Exclusion Criteria:

* Various
B: Inclusion Criteria:

Men and women with type 2 diabetes who

* are treated with oral hypoglycemic agents at a stable dose for at least 8 weeks
* have a HbA1c in the range of 6.5 to 8.0% at screening and at the prestudy visit
* have diabetes diagnosed \>6 months
* have maintained stable weight for 2 months (within 3%)
* have a valid OHIP card and a family physician
* if prescribed lipid medication, have taken a stable dose for at least 2 weeks
* if prescribed blood pressure medication, have taken a stable dose for at least 1 week
* can keep written food records, with the use of a digital scale

Exclusion Criteria: Individuals who

* take insulin
* take steroids
* have GI disease (gastroparesis, celiac disease, ulcerative colitis, Crohn's Disease, IBS)
* have had a major cardiovascular event (stroke or myocardial infarction) in the past 6 months
* take warfarin (Coumadin)
* have had major surgery in the past 6 months
* have a major debilitating disorder
* have clinically significant liver disease (AST or ALT \> 130 U/L), excluding NAFL or NASH
* have hepatitis B or C
* have renal failure (high creatinine \> 150 mmol/L)
* have serum triglycerides ≥ 6.0 mmol/L
* have a history of cancer, except non-melanoma skin cancer (basal cell, squamous cell)
* have food allergies to study food components
* have elevated blood pressure (\> 145/90) unless approved by GP
* have acute or chronic infections (bacterial or viral)
* have chronic inflammatory diseases (e.g. rheumatoid arthritis, lupus; ulcerative colitis)
* have other conditions which in the opinion of any of the investigators would make them unsuitable for the study
* If HbA1c rises above 8.5% over two consecutive routine measurements, subjects will be referred back to their family doctors for an increase in anti hyperglycemic medications according to a predetermined protocol.
* Any condition or circumstance which would prevent an individual from having an MRI (e.g. individuals with prostheses or metal implants, or those who are excessively claustrophobic)
C: Inclusion Criteria:

* Men and postmenopausal women with type 2 diabetes treated with diet plus oral hypoglycemic agents (Sulfonylureas, Biguanides, Thiazolidinediones , and new secretagogues (Repaglinide)) at a stable dose for at least 3 months prior to starting the study
* HbA1c between 6.5 and 8.0% at recruitment
* living within a 40 km radius of St. Michael's Hospital
* Diabetes diagnosed \> 6 months prior to randomization

Exclusion Criteria:

* diabetic complications: clinically significant gastroparesis, retinopathy, nephropathy, neuropathy, hepatic disease, or CHD (current clinically significant CHD e.g. unstable angina)
* taking insulin or acarbose
* smoking or significant alcohol intake (\> 1 drink/day)
* serum triglycerides \> 4.0 mmol/L
D: Inclusion Criteria:

* 18-40 years of age BMI \>=25 stable weight for 3 months non-vegetarian good understanding of English

Exclusion Criteria:

medications other than the contraceptive pill weight \>150kg (weight limit of DEXA machine) vegetarian (diets included red meat) specific diets diabetes or impaired glucose tolerance pregnancy

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Answer: C