Trial Outcomes & Findings for Comparison of Glargine to Degludec Insulin Transition With or Without a Bridging Glargine Dose (NCT NCT04623086)

NCT ID: NCT04623086

Last Updated: 2024-02-28

Results Overview

Change in percent time spent in target glycemic range (TIR, glucose 70-180 mg/dL, both values included) in the 48 hours before and the 48 hours after the 1st dose of IDeg.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

59 participants

Primary outcome timeframe

48 hours prior to 48 hours after 1st dose of degludec insulin

Results posted on

2024-02-28

Participant Flow

59 participants were screened, 37 were randomized, 37 completed the study.

12 participants did not meet study inclusion/exclusion criteria and were screen failures. 47 participants started study procedures but only 37 were randomized.

Participant milestones

Participant milestones
Measure
Insulin Glargine and Insulin Degludec
Insulin glargine, 100 units per mL injected subcutaneously daily Insulin Degludec, 100 units per mL injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Insulin Glargine: Insulin Glargine injection
Insulin Degludec and Placebo
Insulin Degludec, 100 units per mL injected subcutaneously daily Placebo, 9g/L sodium chloride (normal saline) injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Placebo: 9g/L sodium chloride (normal saline) subcutaneous injection manufactured to mimic insulin glargine injection
Unassigned Group
Enrolled participants who discontinued the study prior to randomization to any treatment group
Overall Study
STARTED
19
18
10
Overall Study
COMPLETED
19
18
0
Overall Study
NOT COMPLETED
0
0
10

Reasons for withdrawal

Reasons for withdrawal
Measure
Insulin Glargine and Insulin Degludec
Insulin glargine, 100 units per mL injected subcutaneously daily Insulin Degludec, 100 units per mL injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Insulin Glargine: Insulin Glargine injection
Insulin Degludec and Placebo
Insulin Degludec, 100 units per mL injected subcutaneously daily Placebo, 9g/L sodium chloride (normal saline) injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Placebo: 9g/L sodium chloride (normal saline) subcutaneous injection manufactured to mimic insulin glargine injection
Unassigned Group
Enrolled participants who discontinued the study prior to randomization to any treatment group
Overall Study
Withdrawal by Subject
0
0
10

Baseline Characteristics

Comparison of Glargine to Degludec Insulin Transition With or Without a Bridging Glargine Dose

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Insulin Glargine and Insulin Degludec
n=19 Participants
Insulin glargine, 100 units per mL injected subcutaneously daily Insulin Degludec, 100 units per mL injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Insulin Glargine: Insulin Glargine injection
Insulin Degludec and Placebo
n=18 Participants
Insulin Degludec, 100 units per mL injected subcutaneously daily Placebo, 9g/L sodium chloride (normal saline) injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Placebo: 9g/L sodium chloride (normal saline) subcutaneous injection manufactured to mimic insulin glargine injection
Total
n=37 Participants
Total of all reporting groups
Age, Continuous
51 years
STANDARD_DEVIATION 14 • n=5 Participants
44 years
STANDARD_DEVIATION 16 • n=7 Participants
47 years
STANDARD_DEVIATION 15 • n=5 Participants
Sex: Female, Male
Female
11 Participants
n=5 Participants
2 Participants
n=7 Participants
13 Participants
n=5 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
16 Participants
n=7 Participants
24 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
19 Participants
n=5 Participants
16 Participants
n=7 Participants
35 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Duration of Diabetes
26 years
STANDARD_DEVIATION 21 • n=5 Participants
17 years
STANDARD_DEVIATION 16 • n=7 Participants
22 years
STANDARD_DEVIATION 19 • n=5 Participants
Weight
73.7 kilograms
STANDARD_DEVIATION 19.2 • n=5 Participants
87.7 kilograms
STANDARD_DEVIATION 23.6 • n=7 Participants
80 kilograms
STANDARD_DEVIATION 22.2 • n=5 Participants
Body mass index
24.9 kilograms/meters squared
STANDARD_DEVIATION 6 • n=5 Participants
27.1 kilograms/meters squared
STANDARD_DEVIATION 5 • n=7 Participants
26 kilograms/meters squared
STANDARD_DEVIATION 5.4 • n=5 Participants
Hemoglobin A1c
6.7 percent glycated hemoglobin
STANDARD_DEVIATION 0.6 • n=5 Participants
6.9 percent glycated hemoglobin
STANDARD_DEVIATION 1 • n=7 Participants
6.8 percent glycated hemoglobin
STANDARD_DEVIATION 0.8 • n=5 Participants
Total Daily Dose of Insulin
0.6 Units/kilogram body weight/day
STANDARD_DEVIATION 0.2 • n=5 Participants
0.8 Units/kilogram body weight/day
STANDARD_DEVIATION 0.4 • n=7 Participants
0.7 Units/kilogram body weight/day
STANDARD_DEVIATION 0.3 • n=5 Participants
Creatinine
0.82 milligrams/deciliter
STANDARD_DEVIATION 0.21 • n=5 Participants
0.84 milligrams/deciliter
STANDARD_DEVIATION 0.1 • n=7 Participants
0.83 milligrams/deciliter
STANDARD_DEVIATION 0.2 • n=5 Participants
Time in range (TIR)
65.4 percent of time measured
STANDARD_DEVIATION 21.6 • n=5 Participants
69.4 percent of time measured
STANDARD_DEVIATION 17.2 • n=7 Participants
67.4 percent of time measured
STANDARD_DEVIATION 19.4 • n=5 Participants
Coefficient of Variation of Glucose
31.1 percent of variation
STANDARD_DEVIATION 6.7 • n=5 Participants
31.4 percent of variation
STANDARD_DEVIATION 8.3 • n=7 Participants
31.2 percent of variation
STANDARD_DEVIATION 7.4 • n=5 Participants
Time above range-1 (TAR-1)
26.8 percent of time measured
STANDARD_DEVIATION 17.2 • n=5 Participants
19.4 percent of time measured
STANDARD_DEVIATION 13.7 • n=7 Participants
23.2 percent of time measured
STANDARD_DEVIATION 15.9 • n=5 Participants
Time above range-2 (TAR-2)
5.5 percent of time measured
STANDARD_DEVIATION 7.1 • n=5 Participants
5.9 percent of time measured
STANDARD_DEVIATION 8 • n=7 Participants
5.7 percent of time measured
STANDARD_DEVIATION 7.5 • n=5 Participants
Time below range-1 (TBR-1)
2.1 percent of time measured
STANDARD_DEVIATION 2.1 • n=5 Participants
4.1 percent of time measured
STANDARD_DEVIATION 5.7 • n=7 Participants
3 percent of time measured
STANDARD_DEVIATION 4.3 • n=5 Participants
Time below range-2 (TBR-2)
0.3 percent of time measured
STANDARD_DEVIATION 0.7 • n=5 Participants
1.6 percent of time measured
STANDARD_DEVIATION 5 • n=7 Participants
0.9 percent of time measured
STANDARD_DEVIATION 3.3 • n=5 Participants
Nocturnal time in range (N-TIR)
60.3 percent of time measured
STANDARD_DEVIATION 28.9 • n=5 Participants
74.4 percent of time measured
STANDARD_DEVIATION 25.5 • n=7 Participants
67.2 percent of time measured
STANDARD_DEVIATION 27.8 • n=5 Participants
Correction Boluses
0.9 Number of boluses
STANDARD_DEVIATION 1.2 • n=5 Participants
1.5 Number of boluses
STANDARD_DEVIATION 1.2 • n=7 Participants
1.2 Number of boluses
STANDARD_DEVIATION 1.5 • n=5 Participants

PRIMARY outcome

Timeframe: 48 hours prior to 48 hours after 1st dose of degludec insulin

Population: Change in percent time spent in target glycemic range (TIR, glucose 70-180 mg/dL, both values included) in the 48 hours before and the 48 hours after the 1st dose of IDeg, as noted on study continuous glucose monitor (dexcom G6)

Change in percent time spent in target glycemic range (TIR, glucose 70-180 mg/dL, both values included) in the 48 hours before and the 48 hours after the 1st dose of IDeg.

Outcome measures

Outcome measures
Measure
Insulin Glargine and Insulin Degludec
n=19 Participants
Insulin glargine, 100 units per mL injected subcutaneously daily Insulin Degludec, 100 units per mL injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Insulin Glargine: Insulin Glargine injection
Insulin Degludec and Placebo
n=18 Participants
Insulin Degludec, 100 units per mL injected subcutaneously daily Placebo, 9g/L sodium chloride (normal saline) injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Placebo: 9g/L sodium chloride (normal saline) subcutaneous injection manufactured to mimic insulin glargine injection
Mean Change in Percent Time in Range
2 percentage of time in measured period
Standard Deviation 14.7
-6.1 percentage of time in measured period
Standard Deviation 17.6

SECONDARY outcome

Timeframe: 48 hours prior to 48 hours after 1st dose of degludec insulin

Population: Change in coefficient of variation of glucose (CV) in the 48 hours before and the 48 hours after the 1st dose of IDeg, as noted on study continuous glucose monitor (dexcom G6)

Change in coefficient of variation of glucose (CV) in the 48 hours before and the 48 hours after the 1st dose of IDeg, as noted on study continuous glucose monitor (dexcom G6)

Outcome measures

Outcome measures
Measure
Insulin Glargine and Insulin Degludec
n=19 Participants
Insulin glargine, 100 units per mL injected subcutaneously daily Insulin Degludec, 100 units per mL injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Insulin Glargine: Insulin Glargine injection
Insulin Degludec and Placebo
n=18 Participants
Insulin Degludec, 100 units per mL injected subcutaneously daily Placebo, 9g/L sodium chloride (normal saline) injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Placebo: 9g/L sodium chloride (normal saline) subcutaneous injection manufactured to mimic insulin glargine injection
Coefficient of Variation (CV) of Percent-time-in-range
3 percent of variation
Standard Deviation 6.9
-1.1 percent of variation
Standard Deviation 8.5

SECONDARY outcome

Timeframe: 4 days: Outcome Measure Time Frame 48 hours prior to 48 hours after 1st dose of degludec insulin

Change in nocturnal (defined as midnight to 0600 hours) time in range (glucose in 70-180 mg/dL range) in the 48 hours before and the 48 hours after the 1st dose of IDeg, as noted on study continuous glucose monitor (dexcom G6)

Outcome measures

Outcome measures
Measure
Insulin Glargine and Insulin Degludec
n=19 Participants
Insulin glargine, 100 units per mL injected subcutaneously daily Insulin Degludec, 100 units per mL injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Insulin Glargine: Insulin Glargine injection
Insulin Degludec and Placebo
n=18 Participants
Insulin Degludec, 100 units per mL injected subcutaneously daily Placebo, 9g/L sodium chloride (normal saline) injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Placebo: 9g/L sodium chloride (normal saline) subcutaneous injection manufactured to mimic insulin glargine injection
Nocturnal Percent Time in Range of 70-180 mg/dL Nocturnal Time in Range (N-TIR)
5.1 percentage of time in measured period
Standard Deviation 34.6
-7 percentage of time in measured period
Standard Deviation 34.2

SECONDARY outcome

Timeframe: 4 days

Change in time above range (glucose in 181-250 mg/dL range, TAR-1) in the 48 hours before and the 48 hours after the 1st dose of IDeg, as noted on study continuous glucose monitor (dexcom G6)

Outcome measures

Outcome measures
Measure
Insulin Glargine and Insulin Degludec
n=19 Participants
Insulin glargine, 100 units per mL injected subcutaneously daily Insulin Degludec, 100 units per mL injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Insulin Glargine: Insulin Glargine injection
Insulin Degludec and Placebo
n=18 Participants
Insulin Degludec, 100 units per mL injected subcutaneously daily Placebo, 9g/L sodium chloride (normal saline) injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Placebo: 9g/L sodium chloride (normal saline) subcutaneous injection manufactured to mimic insulin glargine injection
Percent Time Above 180 mg/dL (TAR-1)
5.4 percentage of time in measured period
Standard Deviation 15.4
6.5 percentage of time in measured period
Standard Deviation 12.4

SECONDARY outcome

Timeframe: 4 days

Change in time above range (glucose above 250 mg/dL range, TAR-2) in the 48 hours before and the 48 hours after the 1st dose of IDeg, as noted on study continuous glucose monitor (dexcom G6)

Outcome measures

Outcome measures
Measure
Insulin Glargine and Insulin Degludec
n=19 Participants
Insulin glargine, 100 units per mL injected subcutaneously daily Insulin Degludec, 100 units per mL injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Insulin Glargine: Insulin Glargine injection
Insulin Degludec and Placebo
n=18 Participants
Insulin Degludec, 100 units per mL injected subcutaneously daily Placebo, 9g/L sodium chloride (normal saline) injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Placebo: 9g/L sodium chloride (normal saline) subcutaneous injection manufactured to mimic insulin glargine injection
Time Above Range-2 (TAR-2)
2.2 percentage of time in measured period
Standard Deviation 6.8
1.9 percentage of time in measured period
Standard Deviation 6.2

SECONDARY outcome

Timeframe: 48 hours prior to 48 hours after 1st dose of degludec insulin

Change in time below range (glucose 54-70 mg/dL range, TBR-1) in the 48 hours before and the 48 hours after the 1st dose of IDeg, as noted on study continuous glucose monitor (dexcom G6)

Outcome measures

Outcome measures
Measure
Insulin Glargine and Insulin Degludec
n=19 Participants
Insulin glargine, 100 units per mL injected subcutaneously daily Insulin Degludec, 100 units per mL injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Insulin Glargine: Insulin Glargine injection
Insulin Degludec and Placebo
n=18 Participants
Insulin Degludec, 100 units per mL injected subcutaneously daily Placebo, 9g/L sodium chloride (normal saline) injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Placebo: 9g/L sodium chloride (normal saline) subcutaneous injection manufactured to mimic insulin glargine injection
Time Below Range-1 (TBR-1)
1.1 percentage of time in measured period
Standard Deviation 3.5
-1.5 percentage of time in measured period
Standard Deviation 3.4

SECONDARY outcome

Timeframe: 48 hours prior to 48 hours after 1st dose of degludec insulin

Change in time below range (glucose below 54 mg/dL range, TBR-2) in the 48 hours before and the 48 hours after the 1st dose of IDeg, as noted on study continuous glucose monitor (dexcom G6)

Outcome measures

Outcome measures
Measure
Insulin Glargine and Insulin Degludec
n=19 Participants
Insulin glargine, 100 units per mL injected subcutaneously daily Insulin Degludec, 100 units per mL injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Insulin Glargine: Insulin Glargine injection
Insulin Degludec and Placebo
n=18 Participants
Insulin Degludec, 100 units per mL injected subcutaneously daily Placebo, 9g/L sodium chloride (normal saline) injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Placebo: 9g/L sodium chloride (normal saline) subcutaneous injection manufactured to mimic insulin glargine injection
Time Below Range-2 (TBR-2)
0.3 percentage of time in measured period
Standard Deviation 0.7
-0.8 percentage of time in measured period
Standard Deviation 4.2

SECONDARY outcome

Timeframe: 48 hours prior to 48 hours after 1st dose of degludec insulin

Change in the number of daily correction boluses administered in the 48 hours before and 48 hours after the 1st dose of degludec insulin, as noted on insulin logs maintained by participants

Outcome measures

Outcome measures
Measure
Insulin Glargine and Insulin Degludec
n=17 Participants
Insulin glargine, 100 units per mL injected subcutaneously daily Insulin Degludec, 100 units per mL injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Insulin Glargine: Insulin Glargine injection
Insulin Degludec and Placebo
n=16 Participants
Insulin Degludec, 100 units per mL injected subcutaneously daily Placebo, 9g/L sodium chloride (normal saline) injected subcutaneously daily Insulin Degludec: Insulin Degludec injection Placebo: 9g/L sodium chloride (normal saline) subcutaneous injection manufactured to mimic insulin glargine injection
Correction Boluses
0 boluses in 48 hours measured
Standard Deviation 1.0
0 boluses in 48 hours measured
Standard Deviation 1.6

Adverse Events

Insulin Glargine and Insulin Degludec

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Insulin Degludec and Placebo

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Entire Study Period

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Arthi Thirumalai

University of Washington

Phone: 206-221-0521

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place