A Study of Tirzepatide (LY3298176) in Participants With Type 2 Diabetes Mellitus
Type 2 Diabetes Mellitus

About this trial
This is an interventional treatment trial for Type 2 Diabetes Mellitus
Eligibility Criteria
Inclusion Criteria:
- Have had type 2 diabetes (T2D) for ≥6 months according to the World Health Organization (WHO) classification.
- Have HbA1c of 7.0% to 10.5%, inclusive, as assessed by the central laboratory.
- If on metformin, have been treated with stable doses of metformin for at least 3 months.
- Have a body mass index (BMI) ≥23 and <50 kilograms per square meter.
Exclusion Criteria:
- Have type 1 diabetes (T1D).
- Have used any glucose-lowering medication other than metformin within 3 months prior to study entry or during screening/lead-in period or have used any glucagon-like peptide-1 receptor agonists (GLP-1 RAs) at any time in the past.
- Have had any of the following cardiovascular conditions: acute myocardial infarction (MI), New York Heart Association Class III or Class IV heart failure, or cerebrovascular accident (stroke).
- Have acute or chronic hepatitis, signs and symptoms of any other liver disease other than nonalcoholic fatty liver disease (NAFLD), or alanine aminotransferase (ALT) level >2.5 times the upper limit of the reference range, as determined by the central laboratory at study entry; participants with NAFLD are eligible for participation in this trial.
- Have had chronic or acute pancreatitis any time prior to study entry.
- Have an estimated glomerular filtration rate (eGFR) <45 milliliters/minute/1.73 square meter, calculated by the Chronic Kidney Disease-Epidemiology (CKD-EPI) equation.
- Have serum calcitonin ≥20 picograms per milliliter, as determined by the central laboratory at study entry.
- Have any condition that is a contraindication for use of the GLP-1 RA class (per country-specific labels) at study entry or develop such condition between study entry and randomization.
Sites / Locations
- Internal Medicine Center LLC
- Anaheim Clinical Trails
- Valley Research
- National Research Institute
- National Research Institute
- Catalina Research Institute
- Valley Clinical Trails, Inc
- Artemis Institute For Clinical Research
- Artemis Institute For Clinical Research
- Encompass Clinical Research
- University Clinical Investigators INC
- Chase Medical Research
- Clinical Research of South Florida
- East Coast Institute For Research
- Suncoast Research Group, LCC
- New Horizon Research Center
- Sensible Healthcare
- Palm Harbor Medical Associate
- Solaris Clinical Research
- Iderc P.L.C.
- Cotton O'Neil Diabetes and Endocrine
- ActivMed Practices & Research
- Clinical Research Professionals
- Palm Research Center
- Premier Research
- Manhattan Medical Research
- Lillestol Research LLC
- Aventiv Research
- The Corvallis Clinic P.C.
- PMG Research Of Charleston LLC
- New Phase Research & Development
- PMG Research Of Knoxville
- Dallas Diabetes Endocrine Center
- Consano Clinical Research
- Chrysalis Clinical Research
- For additional information regarding investigative sites for this trial, contact 1-888-545-5972 Mon - Fri, 9 AM to 4 PM or 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri, 9 AM to 5 PM Eastern Time or speak with your personal physician.
- "For additional information regarding investigative sites for this trial, contact 1-888-545-5972 Mon - Fri, 9 AM to 4 PM or 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri, 9 AM to 5 PM Eastern Time or speak with your personal physician."
- For additional information regarding investigative sites for this trial, contact 1-888-545-5972 Mon - Fri, 9 AM to 4 PM or 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri, 9 AM to 5 PM Eastern Time or speak with your personal physician.
- For additional information regarding investigative sites for this trial, contact 1-888-545-5972 Mon - Fri, 9 AM to 4 PM or 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri, 9 AM to 5 PM Eastern Time or speak with your personal physician.
- For additional information regarding investigative sites for this trial, contact 1-888-545-5972 Mon - Fri, 9 AM to 4 PM or 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri, 9 AM to 5 PM Eastern Time or speak with your personal physician.
- Clinica de Pesquisas e Centro de Estudos em Oncologia Ginecológica e Mamária LTDA
- Manati Center for Clinical Research
- Clinical Research Puerto Rico. Inc
- GCM Medical Group PSC
- For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
- For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
- For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
- "For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician."
- For additional information regarding investigative sites for this trial, contact 1-888-545-5972 Mon - Fri, 9 AM to 4 PM or 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri, 9 AM to 5 PM Eastern Time or speak with your personal physician.
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Placebo Comparator
Experimental
Experimental
Experimental
Experimental
Active Comparator
Placebo
1 mg Tirzepatide
5 mg Tirzepatide
10 mg Tirzepatide
15 mg Tirzepatide
1.5 mg Dulaglutide
Tirzepatide placebo and dulaglutide placebo administered subcutaneously (SC) once weekly.
1 milligrams (mg) tirzepatide administered SC once weekly. Dulaglutide placebo administered SC once weekly.
5 mg tirzepatide administered SC once weekly. Dulaglutide placebo administered SC once weekly.
10 mg tirzepatide administered SC once weekly. Dulaglutide placebo administered SC once weekly.
15 mg tirzepatide administered SC once weekly. Dulaglutide placebo administered SC once weekly.
1.5 mg Dulaglutide administered SC once weekly. Tirzepatide placebo administered SC once weekly.