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NCT03262116

Individualizing Automated Closed Loop Glucose Control Through Pharmacokinetic Profiling in an Insulin-Only Bionic Pancreas

Terminated Phase 2, PHASE3 Results posted Last updated 9 December 2022
What this trial tests

Phase 2, PHASE3 trial testing Humalog in Type 1 Diabetes Mellitus in 20 participants. Terminated before completion.

Timeline
19 March 2019
Primary endpoint
23 July 2019
23 July 2019

Quick facts

Lead sponsorMassachusetts General Hospital
PhasePhase 2, PHASE3
StatusTerminated
Study typeINTERVENTIONAL
Allocationrandomized
Designcrossover
Maskingsingle
Primary purposetreatment
Enrollment20
Start date19 March 2019
Primary completion23 July 2019
Estimated completion23 July 2019
Sites1 location across United States

Drugs / interventions tested

Conditions studied

Sponsor

Massachusetts General Hospital

Who can join

18 and older, any sex, with Type 1 Diabetes Mellitus. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Average Continuous Glucose Monitor (CGM) Glucose Primary · 7 days

The average glucose achieved by the bionic pancreas as measured by the continuous glucose monitor during each arm

GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro157.0± 9.2
Insulin-only Bionic Pancreas With Insulin Lispro151.4± 13.1
Insulin-only Bionic Pancreas With Insulin Aspart151.2± 13.8
Percentage of Time Spent With CGM Glucose < 54 mg/dl Primary · 7 days

The amount of time the subject spent in the hypoglycemic range \< 54 mg/dl as measured by the continuous glucose monitor during each arm

GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro0.30± 0.53
Insulin-only Bionic Pancreas With Insulin Lispro0.55± 0.26
Insulin-only Bionic Pancreas With Insulin Aspart1.01± 0.70
Percentage of Time Spent Within Each of the Following Ranges: Secondary · 7 days

The amount of time subject's spent in each of the listed glucose ranges as measured by the continuous glucose monitor during each bionic pancreas arm

% time CGM glcuose < 50 mg/dl
GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro0.20± 0.42
Insulin-only Bionic Pancreas With Insulin Lispro0.24± 0.21
Insulin-only Bionic Pancreas With Insulin Aspart0.63± 0.50
% time CGM glcuose < 60 mg/dl
GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro0.80± 0.88
Insulin-only Bionic Pancreas With Insulin Lispro1.31± 0.55
Insulin-only Bionic Pancreas With Insulin Aspart1.85± 1.05
% time CGM glcuose < 70 mg/dl
GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro2.65± 1.71
Insulin-only Bionic Pancreas With Insulin Lispro3.59± 1.71
Insulin-only Bionic Pancreas With Insulin Aspart4.31± 1.66
% time CGM glcuose 70-120 mg/dl
GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro27.49± 5.04
Insulin-only Bionic Pancreas With Insulin Lispro27.20± 5.53
Insulin-only Bionic Pancreas With Insulin Aspart30.44± 5.57
% time CGM glcuose 70-180 mg/dl
GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro67.77± 8.57
Insulin-only Bionic Pancreas With Insulin Lispro72.16± 10.34
Insulin-only Bionic Pancreas With Insulin Aspart70.06± 10.25
% time CGM glcuose >180 mg/dl
GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro29.58± 7.79
Insulin-only Bionic Pancreas With Insulin Lispro24.26± 9.29
Insulin-only Bionic Pancreas With Insulin Aspart25.63± 9.02
% time CGM glcuose > 250 mg/dl
GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro7.67± 3.55
Insulin-only Bionic Pancreas With Insulin Lispro5.21± 5.24
Insulin-only Bionic Pancreas With Insulin Aspart7.11± 6.41
Within Day Coefficient of Variation Secondary · 7 days

A measure of dispersion of glucose values around the mean

GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro37.4± 4.1
Insulin-only Bionic Pancreas With Insulin Lispro35.5± 7.8
Insulin-only Bionic Pancreas With Insulin Aspart38.6± 7.8
Mean Post Prandial Excursion Secondary · 7 days

Difference in CGMG from the beginning of the meal challenge to the peak CGMG in the 4 hours after the meal, for both mixed meal challenges.

GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro95.06± 37.49
Insulin-only Bionic Pancreas With Insulin Lispro103.13± 47.37
Insulin-only Bionic Pancreas With Insulin Aspart104.07± 36.60
Number of Symptomatic Hypoglycemic Events Per Day Secondary · 7 days

The number of times subjects report experiencing symptoms of hypoglycemia during each bionic pancreas arm

GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro0.73± 0.43
Insulin-only Bionic Pancreas With Insulin Lispro0.60± 0.43
Insulin-only Bionic Pancreas With Insulin Aspart1.02± 0.67
Grams of Carbohydrates Consumed to Treat Hypoglycemia Per Day Secondary · 7 days

The total amount of grams of carbohydrates subjects report having to take in for treatment of hypoglycemia

GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro12.42± 11.59
Insulin-only Bionic Pancreas With Insulin Lispro9.27± 6.94
Insulin-only Bionic Pancreas With Insulin Aspart14.00± 11.95
Total Daily Dose of Insulin Secondary · 7 days

The average total amount of insulin delivered daily by the bionic pancreas during each bionic pancreas arm.

GroupValue95% CI
Insulin-only Bionic Pancreas With BC222 Lispro0.71± 0.16
Insulin-only Bionic Pancreas With Insulin Lispro0.60± 0.21
Insulin-only Bionic Pancreas With Insulin Aspart0.61± 0.25

Sponsor's own description

Subjects will participate in three weeks of the bionic pancreas in the insulin-only configuration. Each week, subjects will use a different rapid acting insulin analog -- Humalog, Novolog, or BC222 insulin lispro -- in a randomized cross-over order.

Publications & conference data

No peer-reviewed publications indexed yet for this trial.

Verify or expand the search:

Other trials of Humalog

Trials testing the same drug.

Other recruiting trials for Type 1 Diabetes Mellitus

Currently open trials in the same condition.

Other Massachusetts General Hospital trials

Trials by the same sponsor.

Verify against primary sources

Data sources for this page

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03262116.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing