LivingGLP1
crossover randomized trial

SEMA-AP

Weekly Subcutaneous Semaglutide as Adjunct to Closed-loop Therapy in Type 1 Diabetes Care: a Double-blind, Cross-over, Randomized Controlled Trial

Design

Randomized
28
Start year
2022
Treatment
15 weeks, follow-up 32 weeks
Countries
Canada (1 sites)
Sponsor
McGill University Health Centre/Research Institute of the McGill University Health Centre (non industry)
Eligibility
Adults 18 or older; type 1 diabetes 1 year or more; insulin pump 3 months or more; HbA1c 11 percent or less; BMI above 21

Conduct and analysis

Blinding
double blind
Sequence generation
computer
Allocation concealment
pharmacy or sealed
Outcome adjudication
not reported
Primary estimand
not stated
Analysis population
completers
Missing data
completers only

Arms

ArmTreatmentBackgroundRandomizedAnalyzedCompleted treatment
A1Placebo
Placebo with automated insulin delivery
insulin pump; research automated insulin delivery in last 4 weeks; lifestyle: not reported2824
A2semaglutide
Semaglutide maximum tolerated dose with automated insulin delivery
insulin pump; research automated insulin delivery in last 4 weeks; lifestyle: not reported2824

Baseline characteristics

As printed in the trial reports or registry, per arm or for the whole trial.
CharacteristicStatisticPlacebo
A1
Semaglutide maximum tolerated dose with automated insulin delivery
A2
Whole trial
ALL
agemean (years)45
agesd (years)14
bmi: 25 to 29.9n7
bmi: 25 to 29.9percent25
bmi: 30 to 34.9n11
bmi: 30 to 34.9percent39
bmi: 35 to 39.9n5
bmi: 35 to 39.9percent18
bmi: 40 or moren2
bmi: 40 or morepercent7
bmi: less than 25n3
bmi: less than 25percent11
bmimean (kg/m2)32.2
bmisd (kg/m2)5.1
diabetes durationmean (years)28
diabetes durationsd (years)13
egfrmean (mL/min/1.73 m2)97
egfrsd (mL/min/1.73 m2)14
femalen17
femalepercent61
hba1cmean (percent)7.4
hba1csd (percent)0.8
insulin dosemean (U/kg/day)0.70
insulin dosesd (U/kg/day)0.27
sbpmean (mmHg)128
sbpsd (mmHg)11
waistmean (cm)101.1
waistsd (cm)14.3
weightmean (kg)91.3
weightsd (kg)17.4

Results

35 adjudicated result lines, grouped by outcome. Open an outcome to see its values.
HbA1c change (7 lines; O01)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
15A1final percent24not stated; completers; R0017835:Table 3
15A1final percent21not stated; other; R0017835:Supplement Table S6
15A2final percent24not stated; completers; R0017835:Table 3
15A2final percent21not stated; other; R0017835:Supplement Table S6
15A2 vs A1md-0.5 percentnot stated; completers; R0017835:Table 3
15A2 vs A1md-0.6 percentnot stated; completers; bmi:30_or_more; R0017835:Supplement Table S9
15A2 vs A1md-0.2 percentnot stated; completers; bmi:less_than_30; R0017835:Supplement Table S9
Level 2 or 3 hypoglycemia (participants) (2 lines; O04)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events1 / 27not stated; other; R0017835:Table 4
A2events0 / 28not stated; other; R0017835:Table 4
Total daily insulin dose change (9 lines; O06)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
15A1final0.77 U/kg/day0.3524not stated; completers; R0017835:Table 2
15A1final U/day24not stated; completers; R0017835:Table 2
15A1percent change7.7 percent25.624not stated; completers; R0017835:Table 2
15A2final0.64 U/kg/day0.2824not stated; completers; R0017835:Table 2
15A2final U/day24not stated; completers; R0017835:Table 2
15A2percent change-14.6 percent23.224not stated; completers; R0017835:Table 2
15A2 vs A1md-0.13 U/kg/daynot stated; completers; R0017835:Table 2
15A2 vs A1md-22.3 percentnot stated; completers; R0017835:Table 2
15A2 vs A1md-11.3 U/daynot stated; completers; R0017835:Table 2
Serious adverse events (2 lines; O25)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events0 / 27not stated; other; R0017835:Table 4
A2events1 / 28not stated; other; R0017835:Table 4
Discontinuation due to adverse events (2 lines; O26)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events0 / 27not stated; other; R0017835:Results
A2events1 / 28not stated; randomized; R0017835:Figure 1
Nausea (2 lines; O27A)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events2 / 27not stated; other; R0017835:Table 4
A2events25 / 28not stated; other; R0017835:Table 4
Vomiting (2 lines; O27B)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events0 / 27not stated; other; R0017835:Table 4
A2events5 / 28not stated; other; R0017835:Table 4
Diarrhea (2 lines; O27C)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events0 / 27not stated; other; R0017835:Table 4
A2events5 / 28not stated; other; R0017835:Table 4
Constipation (2 lines; O27D)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events2 / 27not stated; other; R0017835:Table 4
A2events8 / 28not stated; other; R0017835:Table 4
Diabetic ketoacidosis (2 lines; O30)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events0 / 27not stated; other; R0017835:Table 4
A2events0 / 28not stated; other; R0017835:Table 4
Severe hypoglycemia (type 1 diabetes) (2 lines; O31)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events1 / 27not stated; other; R0017835:Table 4
A2events0 / 28not stated; other; R0017835:Table 4
Death by suicide (1 lines; O35B)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events0 / 27not stated; other; R0017835:Table 4