The purpose of this study is to compare the effect of the study drug tirzepatide to insulin degludec on blood sugar levels in participants with type 2 diabetes. The study will last about 67 weeks and may include up to 22 visits.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
1,444
Administered SC
Administered SC
Change From Baseline in Hemoglobin A1c (HbA1c) (10 mg and 15 mg)
HbA1c is the glycosylated fraction of hemoglobin A. HbA1c is measured primarily to identify average plasma glucose concentration over prolonged periods of time. Least Squares (LS) mean was determined by mixed-model repeated measures (MMRM) model with covariates Baseline + Pooled Country + Baseline Oral Antihyperglycemic Medication (OAM) Use (Metformin (Met), Met plus SGLT-2i) + Treatment + Time + Treatment\*Time (Type III sum of squares).
Time frame: Baseline, Week 52
Change From Baseline in HbA1c (5 mg)
HbA1c is the glycosylated fraction of hemoglobin A. HbA1c is measured primarily to identify average plasma glucose concentration over prolonged periods of time. Least Squares (LS) mean was determined by mixed-model repeated measures (MMRM) model with covariates Baseline + Pooled Country + Baseline OAM Use (Met, Met plus SGLT-2i) + Treatment + Time + Treatment\*Time (Type III sum of squares).
Time frame: Baseline, Week 52
Change From Baseline in Body Weight
LS mean was determined by MMRM model with Baseline + Pooled Country + Baseline OAM Use (Met, Met plus SGLT-2i) + Baseline HbA1c Group (\<=8.5%, \>8.5%) + Treatment + Time + Treatment\*Time (Type III sum of squares) as covariates.
Time frame: Baseline, Week 52
Change From Baseline in Fasting Serum Glucose
LS mean was determined by MMRM model with variables Baseline + Pooled Country + Baseline OAM Use (Met, Met plus SGLT-2i) + Baseline HbA1c Group (\<=8.5%, \>8.5%) + Treatment + Time + Treatment\*Time (Type III sum of squares).
Time frame: Baseline, Week 52
Percentage of Participants Achieving an HbA1c Target Value of <7%
Hemoglobin A1c (HbA1c) is the glycosylated fraction of hemoglobin A. HbA1c is measured to identify average plasma glucose concentration over prolonged periods of time. Imputed data includes observed value and imputed value if endpoint measure is missing. Missing endpoint measures are imputed by predictions from an MMRM analysis model using observed data in the efficacy analysis set and adjusted for Baseline Value, Pooled Country, Baseline OAM Use (Met, Met plus SGLT-2i), Treatment, Visit and Visit\*Treatment.
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Arkansas Clinical Research
Little Rock, Arkansas, United States
Valley Research
Fresno, California, United States
National Research Institute
Huntington Park, California, United States
National Research Institute
Los Angeles, California, United States
Catalina Research Institute, LLC
Montclair, California, United States
Valley Clinical Trials, Inc.
Northridge, California, United States
National Research Institute
Panorama City, California, United States
Encompass Clinical Research
Spring Valley, California, United States
University Clinical Investigators, Inc.
Tustin, California, United States
Chase Medical Research, LLC
Waterbury, Connecticut, United States
...and 112 more locations
Time frame: Week 52
Mean Change From Baseline in Daily Average 7-Point Self-Monitored Blood Glucose (SMBG) Values
The self-monitored plasma glucose (SMBG) data were collected at the following 7 time points: Morning Premeal - Fasting, Morning 2-hour Postmeal, Midday Premeal, Midday 2-hour Postmeal, Evening Premeal, Evening 2-hour Postmeal and Bedtime. LS mean was determined by mixed-model repeated measures (MMRM) model with variables Baseline + Baseline HbA1c Group (\<=8.5%, \>8.5%) + Pooled Country + Baseline OAM Use (Met, Met plus SGLT-2i) + Treatment + Time + Treatment\*Time (Type III sum of squares).
Time frame: Baseline, Week 52
Percentage of Participants Who Achieved Weight Loss ≥5%
Percentage of Participants who Achieved Weight Loss ≥5%
Time frame: Week 52
Diabetes Treatment Satisfaction as Measured by the Diabetes Treatment Satisfaction Questionnaire, Change Version (DTSQc) Hyperglycemia, Hypoglycemia and Treatment Satisfaction Score
DTSQc, an 8-item questionnaire, assesses relative change in treatment satisfaction perceived frequency of hyperglycemia, and perceived frequency of hypoglycemia from baseline to week 52 or early termination.The treatment satisfaction score ranges from -18 to 18 where the higher the score the greater the improvement in satisfaction with treatment. The lower the score the greater the deterioration in satisfaction with treatment. The hyperglycemia and hypoglycemia scores range from -3 to 3 where negative scores indicate fewer problems with blood glucose levels and positive scores indicate more problems than before. LS mean was determined by ANCOVA model for endpoint measures: Variable = Baseline DTSQs + Pooled Country + Baseline HbA1c Group (\<=8.5%, \>8.5%) + Baseline OAM Use (Met, Met plus SGLT-2i) + Treatment (Type III sum of squares).
Time frame: Week 52
Rate of Hypoglycemia With Blood Glucose <54 Milligram/Deciliter (mg/dL) [<3.0 (Millimole/Liter (mmol/L))] or Severe Hypoglycemia
The hypoglycemia events were defined by participant reported events with blood glucose \<54mg/dL (\<3.0 mmol/L) or severe hypoglycemia. Severe hypoglycemia is defined as an episode with severe cognitive impairment requiring the assistance of another person to actively administer carbohydrate, glucagon, or other resuscitative actions. These episodes may be associated with sufficient neuroglycopenia to induce seizure or coma. The rate of postbaseline hypoglycemia was estimated by negative binomial model: Number of episodes = Pooled Country + Baseline OAM Use (Met, Met plus SGLT-2i) + Baseline HbA1c Group (\<=8.5%, \>8.5%) + Treatment, with log (exposure in days/365.25) as an offset variable.
Time frame: Baseline through Safety Follow-Up (Up to Week 56)