Noninvasive Screening for Early Evidence of Diabetes With SCOUT DS (NSEEDS)

In the study, volunteers age 18 and above, of either sex and of any ethnic background, will be recruited at up to 9 clinical sites. The number of sites may be decreased as the sponsor has the right to close a site due to protocol compliance or enrollment issues during the course of the study. All subjects will be at risk for diabetes based on the American Diabetes Association Standard of Care Guidelines. Subjects in the 18-44 age range must have a BMI > 25 plus an additional risk factor for type 2 diabetes.

Inclusion Criteria:

1. Age greater than or equal to 45 years;

   OR

2. Age 18 to 44 years and a BMI > 25 with one or more of the following diabetes risk factors:

   • Habitually physically inactive (less than 30 minutes of moderate physical activity most, if not all, days of the week)
   • Has a first-degree relative with type 2 diabetes
   • African American, Latino, Native American, Asian American, Pacific Islander
   • Has delivered a baby weighing > 9 lb or previously diagnosed with gestational diabetes
   • Hypertension (≥140/≥ 90 mmHg) or being treated for hypertension
   • HDL cholesterol level < 35 mg/dL and/or a fasting triglyceride level ≥ 250 mg/dL or being treated for dyslipidemia with medication
   • Has been previously diagnosed with Polycystic Ovary Syndrome (PCOS)
   • Had impaired glucose tolerance or impaired fasting glucose on previous testing within the last 3 years
   • Conditions associated with insulin resistance such as severe obesity or acanthosis nigricans
   • History of vascular disease including heart attack, stroke, angina, coronary heart disease, atherosclerosis, congestive heart failure or peripheral arterial disease

Exclusion Criteria:

• Prior participation in VeraLight studies: VL-2701, VL-2710, VL-2711, VL-2712 , or VL-2718
• Diagnosed with any type of diabetes, including type 1 or 2
• Known to have, or at risk for, photosensitivity reactions ( e.g., sensitive to ultraviolet light, or taking medication known to cause photosensitivity)
• Receiving any investigational treatment in the past 14 days
• Psychosocial issues that interfere with an ability to follow study procedures
• Conditions that cause secondary diabetes including Cushing's syndrome, acromegaly, hemochromatosis, pancreatitis, or cystic fibrosis
• Taking glucose lowering medications*
• Known to be pregnant (self reported)
• Receiving dialysis or having known renal compromise
• Scars, tattoos, rashes or other disruption/discoloration on the left volar forearm.
• Recent (within past month) or current oral steroid therapy or topical steroids applied to the left forearm; inhaled steroid therapy is not excluded
• Current chemotherapy, or chemotherapy within the past 12 months
• Receiving medications that fluoresce *
• Prior bariatric surgery