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) GlucosePrimary· 7 days
The average glucose achieved by the bionic pancreas as measured by the continuous glucose monitor during each arm
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
157.0
± 9.2
Insulin-only Bionic Pancreas With Insulin Lispro
151.4
± 13.1
Insulin-only Bionic Pancreas With Insulin Aspart
151.2
± 13.8
Percentage of Time Spent With CGM Glucose < 54 mg/dlPrimary· 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
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
0.30
± 0.53
Insulin-only Bionic Pancreas With Insulin Lispro
0.55
± 0.26
Insulin-only Bionic Pancreas With Insulin Aspart
1.01
± 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
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
0.20
± 0.42
Insulin-only Bionic Pancreas With Insulin Lispro
0.24
± 0.21
Insulin-only Bionic Pancreas With Insulin Aspart
0.63
± 0.50
% time CGM glcuose < 60 mg/dl
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
0.80
± 0.88
Insulin-only Bionic Pancreas With Insulin Lispro
1.31
± 0.55
Insulin-only Bionic Pancreas With Insulin Aspart
1.85
± 1.05
% time CGM glcuose < 70 mg/dl
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
2.65
± 1.71
Insulin-only Bionic Pancreas With Insulin Lispro
3.59
± 1.71
Insulin-only Bionic Pancreas With Insulin Aspart
4.31
± 1.66
% time CGM glcuose 70-120 mg/dl
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
27.49
± 5.04
Insulin-only Bionic Pancreas With Insulin Lispro
27.20
± 5.53
Insulin-only Bionic Pancreas With Insulin Aspart
30.44
± 5.57
% time CGM glcuose 70-180 mg/dl
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
67.77
± 8.57
Insulin-only Bionic Pancreas With Insulin Lispro
72.16
± 10.34
Insulin-only Bionic Pancreas With Insulin Aspart
70.06
± 10.25
% time CGM glcuose >180 mg/dl
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
29.58
± 7.79
Insulin-only Bionic Pancreas With Insulin Lispro
24.26
± 9.29
Insulin-only Bionic Pancreas With Insulin Aspart
25.63
± 9.02
% time CGM glcuose > 250 mg/dl
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
7.67
± 3.55
Insulin-only Bionic Pancreas With Insulin Lispro
5.21
± 5.24
Insulin-only Bionic Pancreas With Insulin Aspart
7.11
± 6.41
Within Day Coefficient of VariationSecondary· 7 days
A measure of dispersion of glucose values around the mean
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
37.4
± 4.1
Insulin-only Bionic Pancreas With Insulin Lispro
35.5
± 7.8
Insulin-only Bionic Pancreas With Insulin Aspart
38.6
± 7.8
Mean Post Prandial ExcursionSecondary· 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.
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
95.06
± 37.49
Insulin-only Bionic Pancreas With Insulin Lispro
103.13
± 47.37
Insulin-only Bionic Pancreas With Insulin Aspart
104.07
± 36.60
Number of Symptomatic Hypoglycemic Events Per DaySecondary· 7 days
The number of times subjects report experiencing symptoms of hypoglycemia during each bionic pancreas arm
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
0.73
± 0.43
Insulin-only Bionic Pancreas With Insulin Lispro
0.60
± 0.43
Insulin-only Bionic Pancreas With Insulin Aspart
1.02
± 0.67
Grams of Carbohydrates Consumed to Treat Hypoglycemia Per DaySecondary· 7 days
The total amount of grams of carbohydrates subjects report having to take in for treatment of hypoglycemia
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
12.42
± 11.59
Insulin-only Bionic Pancreas With Insulin Lispro
9.27
± 6.94
Insulin-only Bionic Pancreas With Insulin Aspart
14.00
± 11.95
Total Daily Dose of InsulinSecondary· 7 days
The average total amount of insulin delivered daily by the bionic pancreas during each bionic pancreas arm.
Group
Value
95% CI
Insulin-only Bionic Pancreas With BC222 Lispro
0.71
± 0.16
Insulin-only Bionic Pancreas With Insulin Lispro
0.60
± 0.21
Insulin-only Bionic Pancreas With Insulin Aspart
0.61
± 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.
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Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Massachusetts General Hospital
Last refreshed: 9 December 2022
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.