LivingGLP1
parallel randomized trial

ADJUST-T1D

Efficacy and Safety of Once Weekly Semaglutide in Adults With Obesity and Inadequately Controlled Type 1 Diabetes Using Hybrid Closed-Loop System.

Design

Randomized
72
Start year
2023
Treatment
26 weeks, follow-up 26 weeks
Countries
United States (4 sites)
Sponsor
Viral N. Shah (mixed)
Eligibility
age 18 to 65; type 1 diabetes on AID; BMI 30 or more

Conduct and analysis

Blinding
double blind
Sequence generation
not reported
Allocation concealment
not reported
Outcome adjudication
not reported
Primary estimand
not stated
Analysis population
randomized
Missing data

Arms

ArmTreatmentBackgroundRandomizedAnalyzedCompleted treatment
A1Semaglutide 1.0 mg subcutaneous once weekly
Semaglutide
automated insulin delivery; lifestyle: not reported3636
A2Placebo
Placebo
automated insulin delivery; lifestyle: not reported3636

Baseline characteristics

As printed in the trial reports or registry, per arm or for the whole trial.
CharacteristicStatisticSemaglutide 1.0 mg subcutaneous once weekly
A1
Placebo
A2
agemean (years)41.438.9
agesd (years)11.613.1
asiann01
blackn33
blackpercent8.38.3
bmimean (kg/m2)34.736.0
bmisd (kg/m2)3.95.2
diabetes durationmean (years)23.421.9
diabetes durationsd (years)11.211.6
femalen2220
femalepercent61.155.6
hba1cmean (percent)7.87.7
hba1csd (percent)0.60.6
hispanicn14
hispanicpercent2.711.1
insulin dosemean (U/kg/day)0.70.7
insulin dosesd (U/kg/day)0.20.3
other race american indian alaska nativen00
other race multiplen00
other race native hawaiian pacific islandern00
other race othern03
other race otherpercent8.3
weightmean (kg)99.5104.5
weightsd (kg)14.616.3
whiten3330
whitepercent91.783.3

Analyses this trial contributes to

Results

24 adjudicated result lines, grouped by outcome. Open an outcome to see its values.
HbA1c change (2 lines; O01)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
26A1change-0.7 percent0.136not stated; randomized; registry:outcomes
26A2change-0.4 percent0.136not stated; randomized; registry:outcomes
Level 2 or 3 hypoglycemia (participants) (2 lines; O04)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events2 / 36not stated; randomized; registry:outcomes
A2events2 / 36not stated; randomized; registry:outcomes
Total daily insulin dose change (10 lines; O06)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
20A1change-15.2 U/day-19.8 to -10.7not stated; other; R0014665:Results
20A1final0.62 U/kg/day0.54 to 0.70not stated; other; R0014665:Results
20A1percent change-19.1 percent-24.7 to -13.5not stated; other; R0014665:Results
20A1 vs A2md-18.0 U/day-23.5 to -12.2not stated; other; R0014665:Results
26A1change-17.4 U/day-22.0 to -12.9not stated; other; R0014665:Results
26A1final0.60 U/kg/day0.52 to 0.69not stated; other; R0014665:Results
26A1percent change-22.6 percent-28.3 to -17.0not stated; other; R0014665:Results
26A1 vs A2md-21.9 U/day-27.5 to -16.1not stated; other; R0014665:Results
26A2change5.2 U/day0.7 to 9.7not stated; other; R0014665:Results
26A2percent change7.1 percent1.5 to 12.7not stated; other; R0014665:Results
Serious adverse events (2 lines; O25)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events1 / 36not stated; safety; registry:adverse_events
A2events0 / 36not stated; safety; registry:adverse_events
Nausea (2 lines; O27A)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events1 / 36not stated; safety; nausea & vomiting; registry:adverse_events
A2events0 / 36not stated; safety; nausea & vomiting; registry:adverse_events
Diabetic ketoacidosis (2 lines; O30)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events0 / not stated; other; R0014665:Conclusions
A2events0 / not stated; other; R0014665:Conclusions
Severe hypoglycemia (type 1 diabetes) (2 lines; O31)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events2 / 36not stated; randomized; registry:outcomes
A2events2 / 36not stated; randomized; registry:outcomes
Death by suicide (2 lines; O35B)
WeekArmStatisticEstimateSE or SD95% CIEvents / NDetail
A1events0 / 36not stated; safety; registry:adverse_events
A2events0 / 36not stated; safety; registry:adverse_events