Please select the eligibility criteria that correspond to the clinical trial below.
Title: Plant-Based Dietary Intervention in Type 2 Diabetes
Brief Summary: The purpose of the study is to assess whether, in individuals with type 2 diabetes, a low-fat, vegan diet improves blood glucose control more effectively than a control diet based on current American Diabetes Association (ADA) guidelines. The principal measure is hemoglobin A1c. Cardiovascular risk factors and dietary acceptability are also assessed. The study duration is 22 weeks with a one-year follow-up.


Options:
A: DISEASE CHARACTERISTICS: Primary operable stage I (tumors at least 1 cm), stage II, and stage IIIA invasive breast carcinoma Treatment within the past 4 years by total mastectomy and axillary dissection, or breast sparing surgical removal of cancer with clear macroscopic margins and axillary dissection followed by adjuvant breast radiation No evidence of recurrent disease or new breast cancer since completion of initial local treatment confirmed within the past 6 months by physician evaluation, except stage I mastectomy, for which physician evaluation can be within 1 year prior to randomization Hormone receptor status: Not specified

PATIENT CHARACTERISTICS: Age: 18 to 70 at time of diagnosis Sex: Female Menopausal status: Not specified Performance status: Not specified Life expectancy: At least 10 years (excluding breast cancer) Hematopoietic: Not specified Hepatic: No cirrhosis Renal: Not specified Other: Not pregnant Accessible geographically and by telephone Able to communicate dietary data via 24-hour food recall Able to commit to the intervention schedule No comorbidity requiring a specific diet or taking a medication which contraindicates consuming a high fiber diet (e.g., systemic scleroderma, other digestive malabsorption syndromes, and insulin dependent diabetes) No other primary or recurrent invasive cancer within the past 10 years except nonmelanoma skin cancer or carcinoma in situ of the cervix

PRIOR CONCURRENT THERAPY: Biologic therapy: Not specified Chemotherapy: No concurrent chemotherapy Endocrine therapy: No concurrent estrogen replacement therapy, including vaginal estrogen creams Radiotherapy: See Disease Characteristics Surgery: See Disease Characteristics Other: No concurrent enrollment in another clinical trial that has dietary restrictions or endpoints similar to this study
B: Inclusion Criteria:

* BMI\>27
* age\>40
* History of CHD or diabetes in any age or BMI level

Exclusion Criteria:

* Pregnant or lactating women.
* Active drug or alcohol use or dependence that, in the opinion of the site investigator, would interfere with adherence to study requirements.
* Serum creatinine \> 3 mg/dl.
* Liver dysfunction ( ³ 2 fold level of ALT and AST enzymes).
* Participation in another trial in which active intervention is being received.
* Any intestinal problem that would prevent the patient from eating one of the test diets (for example, gastric stapling that might prevent consumption of vegetables).
C: Inclusion Criteria:

* Age 30-65 years old
* BMI 27-38 kg/m2
* + two other IDF criteria for metabolic syndrome
* Anti-hypertensives and lipid-lowering medication are allowed

Exclusion Criteria:

* Fasting plasma glucose \> 7.0 mmol/l
* Fasting plasma triglycerides \> 3.0 mmol/l
* Fasting plasma total cholesterol \> 6.5 mmol/l
* Blood pressure \> 160/100 mmHg
* Preceding weight change of 5% or more or active weight loss during preceding 6 months
* Any disease or condition that may hamper the successful participation of the intervention: liver disease, kidney disease, diabetes (both type 1 and type 2), thyroid disease (Newly found unstabilized disease), Myocardial infarction within previous 6 months
* Alcohol abuse (\> 40 g/day)
* Oral corticosteroid therapy
* Severe psychiatric disorders
* Cancer under treatment
* Coeliac disease
* Exceptional diets (Atkin's, vegan, allergies to fish or cereals, other extensive allergies)
* Binge eating
* Unwillingness to discontinue the use of fish and vegetable oil or stanol and sterol ester supplements or products
D: Inclusion Criteria:

* Diagnosis of Type 2 Diabetes Mellitus

Exclusion Criteria:

* hemoglobin A1c values \<6.5% or \>10.5%
* use of insulin for \> 5 years
* tobacco use within the preceding 6 months
* consumption of more than 2 alcoholic beverages per day
* current drug abuse
* pregnancy
* unstable medical status
* current use of a low-fat, vegetarian diet.

Answer: D