This research study is being conducted to learn if wearing a combination continuous glucose monitor/continuous ketone monitor (CGM/CKM) can reduce the side effects of taking sotagliflozin (study drug) in people with type 1 diabetes.
The study is a phase 3, single-site, double-blind, random-order, cross-over study to evaluate the use of continuous ketone monitoring (CKM) in participants with type 1 diabetes taking sotagliflozin. There will be 2 main groups in the study, participants on Hybrid Closed Loop insulin pumps (HCL), n=26, and participants on Multiple Daily Injections (MDI), n=26. There will also be 2 doses of sotagliflozin examined in the study, 200 milligram (mg) once daily and 400mg once daily. Therefore, there will be 4 treatment groups in the study: * MDI participants who receive 200mg sotagliflozin for 6 weeks, washout for 2 weeks, then receive 400mg sotagliflozin for 6 weeks; * MDI participants who receive 400mg sotagliflozin for 6 weeks, washout for 2 weeks, then receive 200mg sotagliflozin for 6 weeks; * HCL participants who receive 200mg sotagliflozin for 6 weeks, washout for 2 weeks, then receive 400mg sotagliflozin for 6 weeks; * HCL participants who receive 400mg sotagliflozin for 6 weeks, washout for 2 weeks, then receive 200mg sotagliflozin for 6 weeks. In addition, there will be an open-label extension study for the HCL group. In the extension study, the 26 participants in the HCL group will remain on their insulin pump, receive a low-dose, open-label, once daily injection of long-acting insulin and complete an additional 6 weeks of dosing with open-label 400 mg sotagliflozin. For MDI participants there will be a total of 12 visits over approximately 22 weeks. For HCL participants there will be a total of 16 visits over approximately 28 weeks.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
52
200 mg Sotagliflozin, once daily for 6 weeks
400 mg Sotagliflozin, once daily for 6 weeks
Abbott Libre X dual continuous glucose and ketone monitor (DGK) device.
UCSD - Altman Clinical & Translational Research Institute
La Jolla, California, United States
BHB Time Above 0.6mmol/L - 200mg
Beta hydroxybutyrate (BHB) time \> 0.6 millimole per liter (mmol/L) as measured by the DGK during the 200mg dosing period in the MDI vs. HCL groups.
Time frame: 6 weeks
BHB Time Above 0.6mmol/L - 400mg
Beta hydroxybutyrate (BHB) time \> 0.6 mmol/L as measured by the DGK during the 400mg dosing period in the MDI vs. HCL groups.
Time frame: 6 weeks
BHB Time Above 0.6mmol/L - 200mg vs. 400mg
Beta hydroxybutyrate (BHB) time \> 0.6 mmol/L as measured by the DGK comparing the 200mg treatment period to the 400mg treatment period.
Time frame: 6 weeks
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