This study will examine the safety and efficacy of the addition of omarigliptin in Japanese participants with type 2 diabetes mellitus who have inadequate glycemic control on diet/exercise therapy and oral antihyperglycemic agent monotherapy.
The treatment period is composed of a 24-week double-blind period (Phase A) and a 28-week open-label period (Phase B). During Phase A, participants will received either omarigliptin 25 mg or a matching placebo. During Phase, B all participants will receive omarigliptin 25 mg. All participants will remain on a stable dose and administration of a single oral antihyperglycemic basal medication.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
585
Omarigliptin (MK-3102) 25 mg capsule administered orally once weekly. Pre-study basal medications include: SUs (gliclazide, glibenclamide, or glimepiride); Glinides (nateglinide , mitiglinide, or repaglinide); BGs (metformin); TZDs (pioglitazone); and α-GIs (acarbose, voglibose, or miglitol).
Matching placebo to omarigliptin 25 mg capsule administered orally once weekly. Pre-study basal medications include: SUs (gliclazide, glibenclamide, or glimepiride); Glinides (nateglinide , mitiglinide, or repaglinide); BGs (metformin); TZDs (pioglitazone); and α-GIs (acarbose, voglibose, or miglitol).
Percentage of Participants Who Experienced at Least One Adverse Event Excluding Data After Glycemic Rescue During Phase A
An AE is defined as any unfavorable and unintended sign including an abnormal laboratory finding, symptom or disease associated with the use of a medical treatment or procedure, regardless of whether it is considered related to the medical treatment or procedure. Glycemic rescue criteria were: fasting plasma glucose (FPG) of \>240 mg/dL, 2 times, (Week 4 to Week 24) and after Week 24, FPG \>200 mg/dL, 2 times. Glycemic rescue was achieved through up-titration of basal medication (1st rescue) and through the use of metformin or glimepiride (2nd rescue).
Time frame: Up to 24 weeks
Percentage of Participants Who Experienced at Least One Adverse Event Excluding Data After Glycemic Rescue During the Overall Study
An AE is defined as any unfavorable and unintended sign including an abnormal laboratory finding, symptom or disease associated with the use of a medical treatment or procedure, regardless of whether it is considered related to the medical treatment or procedure. Glycemic rescue criteria were: fasting plasma glucose (FPG) of \>240 mg/dL, 2 times, (Week 4 to Week 24) and after Week 24, FPG \>200 mg/dL, 2 times. Glycemic rescue was achieved through up-titration of basal medication (1st rescue) and through the use of metformin or glimepiride (2nd rescue). These results represent the accrual of events over different treatment intervals: 52 weeks, Omarigliptin (Phase A+B) group, defined as the double-blind period and open-label extension period versus 28 weeks for the placebo switching to Omarigliptin group defined as the open-label extension period only.
Time frame: Up to 52 weeks
Percentage of Participants Who Discontinued From the Study Due to an Adverse Event During Phase A
An AE is defined as any unfavorable and unintended sign including an abnormal laboratory finding, symptom or disease associated with the use of a medical treatment or procedure, regardless of whether it is considered related to the medical treatment or procedure, that occurs during the course of the study.
Time frame: Up to 24 weeks
Percentage of Participants Who Discontinued From the Study Due to an Adverse Event During the Overall Study
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An AE is defined as any unfavorable and unintended sign including an abnormal laboratory finding, symptom or disease associated with the use of a medical treatment or procedure, regardless of whether it is considered related to the medical treatment or procedure. Glycemic rescue criteria were: fasting plasma glucose (FPG) of \>240 mg/dL, 2 times, (Week 4 to Week 24) and after Week 24, FPG \>200 mg/dL, 2 times. Glycemic rescue was achieved through up-titration of basal medication (1st rescue) and through the use of metformin or glimepiride (2nd rescue). These results represent the accrual of events over different treatment intervals: 52 weeks, Omarigliptin (Phase A+B) group, defined as the double-blind period and open-label extension period versus 28 weeks for the placebo switching to Omarigliptin group defined as the open-label extension period only.
Time frame: Up to 52 weeks
Change From Baseline in Hemoglobin A1c (HbA1c) at Week 24
HbA1C is blood marker used to report average blood glucose levels over a prolonged periods of time and is reported as a percentage (%). Thus, this change from baseline reflects the Week 24 HbA1c minus the Week 0 HbA1c.
Time frame: Baseline and Week 24