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Co-administration of Pramlintide and Insulin Via an Automated Dual-hormone Artificial Pancreas System in Adults With Type 1 Diabetes

Primary Purpose

Diabetes Mellitus, Type 1, Type 1 Diabetes, Postprandial Hyperglycemia

Status
Recruiting
Phase
Not Applicable
Locations
Canada
Study Type
Interventional
Intervention
Rapid-Acting Insulin
Placebo
Pramlintide Acetate
Artificial Pancreas
Sponsored by
McGill University
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Diabetes Mellitus, Type 1 focused on measuring Artificial pancreas, Closed-loop system, Amylin, Pramlintide, Type 1 Diabetes, Glycemic control

Eligibility Criteria

18 Years - undefined (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  1. Signed and dated written informed consent
  2. Males and females ≥ 18 years of age
  3. HbA1c ≤ 11% (this is so we also include patient that are potentially missing some meal boluses)
  4. Insulin pump use for at least 6 months and actively performing carbohydrate counting
  5. Clinical diagnosis of type 1 diabetes for at least 12 months. The diagnosis of T1D is based on the investigator's clinical judgment; C peptide level and antibody determinations are not planned.
  6. Women of child-bearing potential must be ready and able to use a highly effective method of birth control. Women of childbearing potential are females who have experienced [the first occurrence of menstruation] and do not meet the criteria for women not of childbearing potential. Women not of childbearing potential are females who are permanently sterile or postmenopausal. Postmenopausal is defined as 12 consecutive months with no menses without an alternative medical cause.

Exclusion Criteria:

  1. Current total daily dose < 0.4 units/kg (we wish to exclude participants who would still be considered in honeymoon period).
  2. Current or ≤ 1 month use of other antihyperglycemic agents (SGLT2 inhibitors, GLP-1 agonists, Metformin, Acarbose, etc.…).
  3. Current use of glucocorticoid medication (except low stable dose and inhaled steroids).
  4. Anticipated need to use acetaminophen during study participation
  5. Use of medication that alters gastrointestinal motility.
  6. Planned or ongoing pregnancy.
  7. Breastfeeding individuals.
  8. Severe hypoglycemic episode within 3 months of admission.
  9. Severe diabetes ketoacidosis episode within 3 months of admission.
  10. Clinically significant nephropathy, neuropathy or retinopathy as judged by the investigator.
  11. Recent (< 6 months) acute macrovascular event e.g. acute coronary syndrome or cardiac surgery.
  12. Known hypersensitivity to any of the study drugs or their excipients.
  13. Individuals with confirmed gastroparesis.
  14. Other serious medical illness likely to interfere with study participation or with the ability to complete the trial by the judgment of the investigator.
  15. In the opinion of the investigator, a participant who is unable or unwilling to observe the contraindications of the study devices.
  16. Unable to travel to research center within 3h if needed during study interventions
  17. Failure to comply with team's recommendations (e.g. not willing to eat meals/snacks, not willing to change pump parameters, etc.).

Discontinuation Criteria:

  1. Failure to comply with the protocol.
  2. Pregnancy.
  3. After an event which the PI believes it is not in the best interest for the patient to continue the trial.
  4. The subject wants to withdraw consent to participate
  5. The subject needs to take any medications that are contraindicated in the study
  6. The subject can no longer be treated with the study medication for other reasons
  7. The subject experiences severe hypoglycaemia requiring hospitalization or repeated hypoglycaemia requiring assistance to treat.
  8. The subject fails to follow instructions given about the trial
  9. The Study Team has decided to discontinue or terminate the clinical trial prematurely

Sites / Locations

  • McGill University Health CentreRecruiting

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Placebo Comparator

Arm Label

Rapid Insulin-Plus-Pramlintide

Rapid Insulin-Plus-Placebo

Arm Description

Rapid insulin and pramlintide infusion in two insulin pumps

Rapid insulin and placebo (saline) infusion in two insulin pumps

Outcomes

Primary Outcome Measures

Time in target range
Time each participant spent with glucose level in target range (3.9 - 10.0 mmol/L)

Secondary Outcome Measures

Time between 3.9 - 7.8 mmol/L
Percentage of time each participant spent with glucose levels between 3.9 - 7.8 mmol/L
Time below 3,9, 3.3, and 2.8 mmol/L
Percentage of time each participant spent with glucose levels below 3.9, 3.3, and 2.8 mmol/L
Time above 7.8, 10.0, 13.9, 16.7 mmol/L
Percentage of time each participant spent with glucose levels above 7.8, 10.0, 13.9, and 16.7 mmol/L
Mean glucose level
Each participant's mean glucose level
Total insulin delivery
Each participant's total insulin delivery
Standard deviation and coefficient of variance
Each participant's standard deviation and coefficient of variance of glucose levels as a measure of glucose variability
Gastrointestinal symptoms
Number of each participant's gastrointestinal symptoms
Number of hypoglycemia events
Each participant's number of hypoglycemia events defined as at least 15 min below 3.0 mmol/L with the end of the event being 15 minutes > 3.9 mmol/L.

Full Information

First Posted
January 24, 2020
Last Updated
March 14, 2023
Sponsor
McGill University
Collaborators
Canadian Institutes of Health Research (CIHR)
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1. Study Identification

Unique Protocol Identification Number
NCT04243629
Brief Title
Co-administration of Pramlintide and Insulin Via an Automated Dual-hormone Artificial Pancreas System in Adults With Type 1 Diabetes
Official Title
Co-administration of Pramlintide and Insulin Via an Automated Dual-hormone Artificial Pancreas System to Regulate Glucose Levels in Adults Living With Type 1 Diabetes: a Randomized, Controlled, Crossover Trial.
Study Type
Interventional

2. Study Status

Record Verification Date
March 2023
Overall Recruitment Status
Recruiting
Study Start Date
November 12, 2021 (Actual)
Primary Completion Date
April 2024 (Anticipated)
Study Completion Date
April 2024 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
McGill University
Collaborators
Canadian Institutes of Health Research (CIHR)

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No

5. Study Description

Brief Summary
One of the main challenges in maintaining tight glucose control in a closed-loop system occurs at meal times. Amylin is a gluco-regulatory beta-cell hormone that is co-secreted with insulin in response to nutrient stimuli, and is deficient in patients with type 1 diabetes. Amylin, in the postprandial period, contributes to regulating glucose levels by delaying gastric emptying, suppressing nutrient-stimulated glucagon secretion, and increasing satiety. Pramlintide is a synthetic analog of the hormone amylin. A closed-loop system that delivers both insulin and pramlintide, based on glucose sensor readings, has the potential to better normalize glucose levels, especially during the post-prandial period. The aim of this project is to assess whether co-administration of pramlintide with rapid insulin in an artificial pancreas system will improve glycemic control in adults with Type 1 Diabetes.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Diabetes Mellitus, Type 1, Type 1 Diabetes, Postprandial Hyperglycemia
Keywords
Artificial pancreas, Closed-loop system, Amylin, Pramlintide, Type 1 Diabetes, Glycemic control

7. Study Design

Primary Purpose
Treatment
Study Phase
Not Applicable
Interventional Study Model
Crossover Assignment
Model Description
This is a two-way, randomized, open-label, controlled, crossover trial to compare the following strategies: (i) Rapid insulin-plus-Pramlintide closed-loop delivery (ii) Rapid insulin-plus-Placebo closed-loop delivery
Masking
None (Open Label)
Allocation
Randomized
Enrollment
26 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
Rapid Insulin-Plus-Pramlintide
Arm Type
Experimental
Arm Description
Rapid insulin and pramlintide infusion in two insulin pumps
Arm Title
Rapid Insulin-Plus-Placebo
Arm Type
Placebo Comparator
Arm Description
Rapid insulin and placebo (saline) infusion in two insulin pumps
Intervention Type
Drug
Intervention Name(s)
Rapid-Acting Insulin
Intervention Description
Novorapid or Humalog insulin delivered in a basal-bolus manner.
Intervention Type
Drug
Intervention Name(s)
Placebo
Intervention Description
Placebo (saline) delivered in a basal-bolus manner at a fixed ratio with insulin.
Intervention Type
Drug
Intervention Name(s)
Pramlintide Acetate
Intervention Description
Pramlintide acetate delivered in a basal-bolus manner at a fixed ratio with insulin.
Intervention Type
Device
Intervention Name(s)
Artificial Pancreas
Intervention Description
Tandem insulin pump, Dexcom G6 sensor, study smartphone running the iMAP algorithm.
Primary Outcome Measure Information:
Title
Time in target range
Description
Time each participant spent with glucose level in target range (3.9 - 10.0 mmol/L)
Time Frame
4 weeks
Secondary Outcome Measure Information:
Title
Time between 3.9 - 7.8 mmol/L
Description
Percentage of time each participant spent with glucose levels between 3.9 - 7.8 mmol/L
Time Frame
4 weeks
Title
Time below 3,9, 3.3, and 2.8 mmol/L
Description
Percentage of time each participant spent with glucose levels below 3.9, 3.3, and 2.8 mmol/L
Time Frame
4 weeks
Title
Time above 7.8, 10.0, 13.9, 16.7 mmol/L
Description
Percentage of time each participant spent with glucose levels above 7.8, 10.0, 13.9, and 16.7 mmol/L
Time Frame
4 weeks
Title
Mean glucose level
Description
Each participant's mean glucose level
Time Frame
4 weeks
Title
Total insulin delivery
Description
Each participant's total insulin delivery
Time Frame
4 weeks
Title
Standard deviation and coefficient of variance
Description
Each participant's standard deviation and coefficient of variance of glucose levels as a measure of glucose variability
Time Frame
4 weeks
Title
Gastrointestinal symptoms
Description
Number of each participant's gastrointestinal symptoms
Time Frame
4 weeks
Title
Number of hypoglycemia events
Description
Each participant's number of hypoglycemia events defined as at least 15 min below 3.0 mmol/L with the end of the event being 15 minutes > 3.9 mmol/L.
Time Frame
4 weeks

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Signed and dated written informed consent Males and females ≥ 18 years of age HbA1c ≤ 11% (this is so we also include patient that are potentially missing some meal boluses) Insulin pump use for at least 6 months and actively performing carbohydrate counting Clinical diagnosis of type 1 diabetes for at least 12 months. The diagnosis of T1D is based on the investigator's clinical judgment; C peptide level and antibody determinations are not planned. Women of child-bearing potential must be ready and able to use a highly effective method of birth control. Women of childbearing potential are females who have experienced [the first occurrence of menstruation] and do not meet the criteria for women not of childbearing potential. Women not of childbearing potential are females who are permanently sterile or postmenopausal. Postmenopausal is defined as 12 consecutive months with no menses without an alternative medical cause. Exclusion Criteria: Current total daily dose < 0.4 units/kg (we wish to exclude participants who would still be considered in honeymoon period). Current or ≤ 1 month use of other antihyperglycemic agents (SGLT2 inhibitors, GLP-1 agonists, Metformin, Acarbose, etc.…). Current use of glucocorticoid medication (except low stable dose and inhaled steroids). Anticipated need to use acetaminophen during study participation Use of medication that alters gastrointestinal motility. Planned or ongoing pregnancy. Breastfeeding individuals. Severe hypoglycemic episode within 3 months of admission. Severe diabetes ketoacidosis episode within 3 months of admission. Clinically significant nephropathy, neuropathy or retinopathy as judged by the investigator. Recent (< 6 months) acute macrovascular event e.g. acute coronary syndrome or cardiac surgery. Known hypersensitivity to any of the study drugs or their excipients. Individuals with confirmed gastroparesis. Other serious medical illness likely to interfere with study participation or with the ability to complete the trial by the judgment of the investigator. In the opinion of the investigator, a participant who is unable or unwilling to observe the contraindications of the study devices. Unable to travel to research center within 3h if needed during study interventions Failure to comply with team's recommendations (e.g. not willing to eat meals/snacks, not willing to change pump parameters, etc.). Discontinuation Criteria: Failure to comply with the protocol. Pregnancy. After an event which the PI believes it is not in the best interest for the patient to continue the trial. The subject wants to withdraw consent to participate The subject needs to take any medications that are contraindicated in the study The subject can no longer be treated with the study medication for other reasons The subject experiences severe hypoglycaemia requiring hospitalization or repeated hypoglycaemia requiring assistance to treat. The subject fails to follow instructions given about the trial The Study Team has decided to discontinue or terminate the clinical trial prematurely
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Elisa Cohen, BSs
Phone
6472372366
Email
elisa.cohen@mail.mcgill.ca
Facility Information:
Facility Name
McGill University Health Centre
City
Montreal
State/Province
Quebec
ZIP/Postal Code
H4A 3J1
Country
Canada
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Elisa Cohen, BSc
Email
elisa.cohen@mail.mcgill.ca
First Name & Middle Initial & Last Name & Degree
Michael Tsoukas, M.D.
First Name & Middle Initial & Last Name & Degree
Ahmad Haidar, Ph.D.
First Name & Middle Initial & Last Name & Degree
Laurent Legault, M.D.
First Name & Middle Initial & Last Name & Degree
Jean-François Yale, M.D.

12. IPD Sharing Statement

Plan to Share IPD
Yes
IPD Sharing Plan Description
The raw data (i.e., insulin delivery, glucose levels, individual participant data) and informed consent form could be shared by the corresponding author, ahmad.haidar@mcgill.ca, upon reasonable request for academic purposes, subject to Material Transfer Agreement and approval of McGill University Health Center's Research Ethics Board. All data shared will be deidentified. Study protocol is available with publication.

Learn more about this trial

Co-administration of Pramlintide and Insulin Via an Automated Dual-hormone Artificial Pancreas System in Adults With Type 1 Diabetes

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