Can a smart ring predict pancreas trouble? new study recruits 130 volunteers

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 18+ years old * Have an established diagnosis of Prediabetes or Type 2 diabetes * Have a glycated hemoglobin (HbA1c) below 8% (64 mmol/mol) and a body mass index (BMI) between 18-40 kg/m2 that will be determined from your height and weight * Are willing to use an Abbott FreeStyle Libre 3/3+ Continuous Glucose Monitor (CGM) supplied by the study and provide the study investigators access to the CGM data * Are willing to use the study wearable devices (e.g., Oura Ring) * Are able to read, write, and speak in English * If you use long-acting insulin, you must be on a prescribed regimen where you administer it at bedtime only and no other time of day (bolus short-acting may be used at any time as needed) * All medication regimens must have a minimum of 30 days supply, and no new medications started within 30 days of enrollment * Weight must be stable (± 10 pounds) for 2 months prior to enrollment * Must have a personally owned iPhone 6s or newer (iOS 16.4+) or Android smartphone (version 12 or newer) and use this phone to download and use the study app and use the provided study devices * Must have a personally owned computer or tablet or have access to these devices at home * Must reside in the North San Francisco Bay area and be willing to travel to Novato, CA to attend two morning clinic assessments at the Buck Institute Exclusion Criteria: * Using any Abbott CGM (prescribed or OTC) * BMI \<18 kg/m2 or \>40 kg/m2 * Dairy or soy allergy * Currently pregnant or breastfeeding * Diagnosed with Type 1 diabetes or MODY (Maturity-Onset Diabetes of the Young) * Using an insulin pump * Using any of the following medications: Glucocorticoids, Non-Selective Beta Blockers (e.g., propranolol), Thiazide Diuretics * Currently using tobacco products (cigarettes, vapes, chew, dip, etc.) * Hospitalized overnight for any reason in the last 3 months * History of pancreatic disease (other than diabetes) or pancreatic transplantation * Have any active malignancy within the last 12 months * History of bariatric / other gastrointestinal surgery anticipated to affect glucose metabolism / cause gastroparesis * History of systemic disease (hepatic, cardiovascular, other) likely to interfere with glucose metabolism or study participation