A Long-term Safety Study of Tirzepatide (LY3298176) in Participants With Type 2 Diabetes
Type 2 Diabetes Mellitus

About this trial
This is an interventional treatment trial for Type 2 Diabetes Mellitus
Eligibility Criteria
Inclusion Criteria:
Participant must:
- Have been diagnosed with type 2 diabetes mellitus based on the World Health Organization classification before the screening visit.
- Have HbA1c ≥7.0% to <11.0%, as determined by the central laboratory at screening.
- Have been taking sulfonylureas, biguanides, thiazolidinedione, alpha-glucosidase inhibitor, glinides, or sodium-glucose cotransporter type 2 inhibitor monotherapy for at least 3 months before screening and have been on the following dose for at least 8 weeks before screening.
- Have body mass index (BMI) of ≥23 kilograms per meter squared at screening.
- Be of stable weight (±5%) during 3 months preceding screening; and agree to not initiate an intensive diet and/or exercise program during the study with the intent of reducing body weight other than the lifestyle and dietary measures for diabetes treatment.
Exclusion Criteria:
Participant must not:
- Have type 1 diabetes mellitus.
- Have had chronic or acute pancreatitis any time prior to study entry.
- Have proliferative diabetic retinopathy or diabetic maculopathy or nonproliferative diabetic retinopathy requiring immediate or urgent treatment.
- Have disorders associated with slowed emptying of the stomach, or have had any stomach surgeries for the purpose of weight loss.
- Have acute or chronic hepatitis, signs and symptoms of any other liver disease, or blood alanine transaminase (ALT) enzyme level >3.0 times the upper limit of normal (ULN) for the reference range, as determined by the central laboratory. Participants with nonalcoholic fatty liver disease (NAFLD) are eligible for participation in this trial only if there ALT level is ≤3.0 the ULN for the reference range.
- Have had a heart attack, stroke, or hospitalization for congestive heart failure in the past 2 months.
- Have a personal or family history of medullary thyroid carcinoma or personal history of multiple endocrine neoplasia syndrome type 2.
- Have been taking weight loss drugs, including over-the-counter medications during the last 3 months.
Sites / Locations
- Akaicho Clinic
- Kashiwa hospital
- Yuri Ono Clinic
- Manda Hospital
- Miyanomori Hospital
- Ikeda Hospital
- Nakamoto Naika Clinic
- Naka Memorial Clinic
- Ohishi Naika Clinic
- Takai Naika Clinic
- Tsuruma Kaneshiro Diabetes Clinic
- Yokohama Minoru Clinic
- H.E.C. Science Clinic
- Takatsuki Red Cross Hospital
- Otsu City Hospital
- Wakakusa Clinic
- Seiwa Clinic
- HDC Atlas Clinic
- Asahi Life Foundation Adult Disease Research Center
- Nihonbashi Sakura Clinic
- Tokyo-Eki Center-building Clinic
- Tokyo Center Clinic
- Tokyo Clinical Trial Centre Fukuwa Clinic
- Kanno Naika
- Shinjuku Research Park Clinic
- Futata Tetsuhiro Clinic
- Morinaga Ueno Clinic
- Jinnouchi Hospital
- Abe Diabetes Clinic
- Saiseikai Noe Hospital
- Kitada Clinic
- Kansai Denryoku Hospital
- Shizuoka City Shizuoka Hospital
- Suruga Clinic
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Experimental
Experimental
5 mg Tirzepatide
10 mg Tirzepatide
15 mg Tirzepatide
5 milligrams (mg) tirzepatide administered subcutaneously (SC) once a week. Participant received the following pre-treatment oral antihyperglycemic medication (OAM): Sulfonylurea, biguanide, alpha-glucosidase inhibitor, thiazolidinedione, glinide, or sodium-glucose cotransporter type 2 inhibitor.
10 mg tirzepatide administered SC once a week. Participant received the following pre-treatment oral antihyperglycemic medication (OAM): Sulfonylurea, biguanide, alpha-glucosidase inhibitor, thiazolidinedione, glinide, or sodium-glucose cotransporter type 2 inhibitor.
15 mg tirzepatide administered SC once a week. Participant received the following pre-treatment oral antihyperglycemic medication (OAM): Sulfonylurea, biguanide, alpha-glucosidase inhibitor, thiazolidinedione, glinide, or sodium-glucose cotransporter type 2 inhibitor.