Alleviating Carbohydrate-Counting Burden in T1DM Using Artificial Pancreas and Empagliflozin (CLASS15)

S

Samuel Lunenfeld Research Institute, Mount Sinai Hospital

Status

Completed

Conditions

Type1diabetes

Treatments

Device: Single hormone artificial pancreas
Drug: Empagliflozin 25mg
Behavioral: Meal strategies

Study type

Interventional

Funder types

Other

Identifiers

NCT03510000
CLASS15

Details and patient eligibility

About

One of the challenges in the design of the artificial pancreas (AP) is preventing postprandial hyperglycemia. Beyond algorithmic solutions, one countermeasure to postprandial hyperglycemia that may enhance performance of the AP is the use of adjunctive-to-insulin medications such as those in the Sodium Glucose-Linked Transporter 2 inhibitor class. This study evaluates whether use of oral empagliflozin on the background of single-hormone AP can improve postprandial blood glucose control. The investigators will test this hypothesis in a cross-over trial design by comparing open-label empagliflozin versus placebo in the setting of AP on separate study days that involve carbohydrate counting, simple meal announcement and no meal announcement strategies.

Full description

Empagliflozin is a novel anti-diabetic medication and has been approved in Canada. The labelled indication for use of empagliflozin in clinical practice is as an adjunct therapy to diet and exercise to improve glycemic control in adult patients with type 2 diabetes. The investigators are proposing to use the medication as an adjunct anti-diabetic therapy in individuals with type 1 diabetes and would like to examine whether empagliflozin can alleviate need for carb-counting by eliminating post-prandial hyperglycemia in a setting of an artificial pancreas (AP). The study is designed as a randomized open-label, crossover non-inferiority trial comparing empagliflozin 25 mg oral daily in the setting of the single-hormone AP to single-hormone AP without empagliflozin in adults with type 1 diabetes. The duration of the study for each of the participants is about 3-9 weeks and during this time three different meal announcement strategies for AP will be used, on and off empagliflozin treatment.

Enrollment

30 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Clinical diagnosis of type 1 diabetes for at least one year.
  2. Use of insulin pump therapy for at least 3 months.
  3. HbA1c ≤ 10%.
  4. Women of childbearing potential must agree to use adequate birth control during participation in the study

Exclusion criteria

  1. Clinically significant nephropathy, neuropathy or retinopathy.
  2. Recent acute macrovascular event e.g. acute coronary syndrome or cardiac surgery.
  3. History of pheochromocytoma or insulinoma
  4. Use of loop diuretics, anticholinergic drugs, beta-blockers at high dose, glucocorticoids (except low stable dose and inhaled steroids), chronic acetaminophen treatment, chronic warfarin treatment
  5. Use of non-insulin adjunct anti-hyperglycaemic drug (e.g. metformin, glucagon-like peptide analogues, etc.).
  6. Ongoing or planned pregnancy or breastfeeding.
  7. Recent severe hypoglycemic episode prior to enrollment
  8. Recent diabetic ketoacidosis prior to enrollment
  9. Recent history of genital or urinary infection prior to enrollment
  10. History of lower limb amputation and recent history of leg or foot infection or wound
  11. Anticipating a significant change in exercise regimen between initiations of two intervention blocks (i.e. starting or stopping an organized sport).

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

30 participants in 1 patient group

Main arm
Experimental group
Description:
Single arm open-label cross-over study with random order of SGLT-2 inhibitor intervention (Empagliflozin 25mg po qd), in which each cross-over phase includes different meal strategies (carbohydrate counting, meal announcement, no meal announcement) on separate days in the setting of single hormone artificial pancreas
Treatment:
Behavioral: Meal strategies
Drug: Empagliflozin 25mg
Device: Single hormone artificial pancreas

Trial contacts and locations

3

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Data sourced from clinicaltrials.gov

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