Accuracy of a Continuous Ketone Monitoring (CKM) System in Individuals with Type 1 Diabetes on Insulin Pump Therapy.

Participation Requirements

• Sex:

  ALL

• Eligible Ages:

  18 and up

Participation Criteria

Inclusion Criteria:

1. Adults ≥ 18 years of age.
2. A clinical diagnosis of type 1 diabetes (T1D) for at least one year, as per their treating diabetes physician in agreement with the primary investigator's clinical judgment (confirmatory C-peptide and antibodies will not be required).
3. On stable, commercial closed-loop pump therapy for the past 30 days.
4. Stable use of continuous glucose monitor system for the past 30 days.
5. Cellular phone with Android OS operating system 8.1 and above or iOS11 and above operating system, for data compatibility with continuous ketone monitor mobile app (SiCKM app).
6. Able to perform study related tasks.

Exclusion Criteria:

1. Current or ≤ 2 weeks use of sodium-glucose cotransporter-2 (SGLT2) inhibitor medication (e.g. empagliflozin).
2. Current use of ascorbic acid (Vitamin C) as it may impair accuracy of the sensor.
3. Severe hypoglycemic episode within one month of admission, defined as an event where glucose was \<4 mmol/L resulting in seizure, loss of consciousness, needing third party assistance, or need to present to the emergency department.
4. Diabetic ketoacidosis episode requiring medical attention or intravenous insulin within one month.
5. Planned or ongoing pregnancy or breastfeeding individuals.
6. Any serious medical or psychiatric illness likely to interfere with ability to complete the trial, as per judgement of investigators.