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Completed Phase 3 Interventional Results available

A Study of Tirzepatide (LY3298176) Once a Week Versus Insulin Glargine Once a Day in Participants With Type 2 Diabetes and Increased Cardiovascular Risk

ClinicalTrials.gov ID: NCT03730662

Public ClinicalTrials.gov record NCT03730662. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 13, 2026, 10:25 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Efficacy and Safety of LY3298176 Once Weekly Versus Insulin Glargine in Patients With Type 2 Diabetes and Increased Cardiovascular Risk (SURPASS-4)

Study identification

NCT ID
NCT03730662
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Eli Lilly and Company
Industry
Enrollment
2,002 participants

Conditions and interventions

Interventions

  • Insulin Glargine Drug
  • Tirzepatide Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 19, 2018
Primary completion
Jan 21, 2021
Completion
Apr 21, 2021
Last update posted
Feb 13, 2022

2018 – 2021

United States locations

U.S. sites
74
U.S. states
27
U.S. cities
71
Facility City State ZIP Site status
Advanced Research Center Anaheim California 92805
Valley Clinical Trials, Inc. Covina California 91723
Marin Endocrine Associates Greenbrae California 94904
National Research Institute Huntington Park California 90255
Scripps Whittier Diabetes Institute La Jolla California 92037
First Valley Medical Group Lancaster California 93534
National Research Institute Los Angeles California 90057
Catalina Research Institute, LLC Montclair California 91763
Monterey Endocrine & Diabetes Institute, Inc. Monterey California 93940
Valley Clinical Trials, Inc. Northridge California 91325
Desert Medical Group Inc Palm Springs California 92262
Havana Research Institute Pasadena California 91105
Western University of Health Sciences Pomona California 91766
LCGK Research San Carlos California 94070
Olive View Medical Center Sylmar California 91342
University Clinical Investigators, Inc. Tustin California 92780
Touro University Vallejo California 94592
Coastal Metabolic Research Centre Ventura California 93003
Diablo Clinical Research Walnut Creek California 94598
Chase Medical Research, LLC Waterbury Connecticut 06708
ALL Medical Research, LLC Cooper City Florida 33024
Advanced Pharma Research Cutler Bay Florida 33189
South Florida Wellness & Clinical Research Institute Margate Florida 33063
Suncoast Research Group, LLC Miami Florida 33135
New Horizon Research Center Miami Florida 33165
Clinical Neuroscience Solutions Inc Orlando Florida 32801
Progressive Medical Research Port Orange Florida 32127
Primary Care Specialists, LLC Atlanta Georgia 30312
Rocky Mountain Diabetes and Osteoporosis Center Idaho Falls Idaho 83404
Solaris Clinical Research Meridian Idaho 83646
Saltzer Medical Group. P.A. Nampa Idaho 83686
Northwestern Feinberg School of Medicine Chicago Illinois 60611
NorthShore University HealthSystem Skokie Illinois 60077
University of Iowa Hospital & Clinic Iowa City Iowa 52242
Iowa Diabetes Research West Des Moines Iowa 50265
Cotton O'Neil Diabetes and Endocrinology Center Topeka Kansas 66606
Robley Rex VAMC Louisville Kentucky 40206
NECCR PrimaCare Research, LLC Fall River Massachusetts 02721
AA Medical Research Center Flint Michigan 48504
Troy Internal Medicine, PC Troy Michigan 48098
Clinical Research Professionals Chesterfield Missouri 63005
Glacier View Research Institute Kalispell Montana 59901
Montana Medical Research, Inc Missoula Montana 59808
Palm Research Center Las Vegas Nevada 89128
Palm Research Center Las Vegas Nevada 89148
Southern New Hampshire Diabetes and Endocrinology Nashua New Hampshire 03063
PharmQuest Greensboro North Carolina 27408
Lillestol Research LLC Fargo North Dakota 58104
Rapid Medical Research Inc Cleveland Ohio 44122
Ohio State Univ College Of Medicine Columbus Ohio 43210
Aventiv Research Columbus Ohio 43213
Intend Research Norman Oklahoma 73069
The Corvallis Clinic P.C. Corvallis Oregon 97330
Oregon Health and Science University Portland Oregon 97239
Heritage Valley Medical Group, Inc. Beaver Pennsylvania 15009
Capital Area Research Camp Hill Pennsylvania 17011
Detweiler Family Medicine Lansdale Pennsylvania 19446
Capital Area Research Newport Pennsylvania 17074
Parkside Family Medical Philadelphia Pennsylvania 19144
Preferred Primary Care Physicians- Bower Hill Pittsburgh Pennsylvania 15243
Mountain View Clinical Research, Inc. Greer South Carolina 29651
The Research Center of the Upstate Mauldin South Carolina 29662
Holston Medical Group Clinical Research Kingsport Tennessee 37660
New Phase Research & Development Knoxville Tennessee 37909
Dallas Diabetes Endocrine Center Dallas Texas 75230
PCP for Life Houston Texas 77070
BFHC Research San Antonio Texas 78249
Consano Clinical Research Shavano Park Texas 78231
Martin Diagnostic Clinic Tomball Texas 77375
Alpine Research Organization Farmington Utah 84025
Burke Internal Medicine & Research Burke Virginia 22015
Private: Dr. Larry Stonesifer Federal Way Washington 98003
Capital Clinical Research Center Olympia Washington 98502
Walla Walla Clinic Walla Walla Washington 99362

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 142 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03730662, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 13, 2022 · Synced May 13, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03730662 live on ClinicalTrials.gov.

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