A Study of Tirzepatide (LY3298176) Compared With Placebo in Adults With Type 1 Diabetes and Obesity or Overweight

Purpose

The main purpose of this study is to find out how well and how safely tirzepatide works in adults who have type 1 diabetes and obesity or overweight. Participation in the study will last about 49 weeks.

Conditions

  • Type 1 Diabetes
  • Obesity
  • Overweight

Eligibility

Eligible Ages
Over 18 Years
Eligible Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Have type 1 diabetes and on insulin treatment for at least one year prior to screening - Have an HbA1c value of 7.0% to 10.5% inclusive, at screening - Have a body mass index (BMI) of ≥25 kilograms per square meter (kg/m2) at screening - Are of stable weight for at least 90 days prior to screening and agree to not start an intensive diet or exercise program during the study

Exclusion Criteria

  • Have experienced two or more events requiring hospitalization due to poor glucose control (hyperglycemia or (diabetic ketoacidosis (DKA)) during the period of 180 days prior to screening and until randomization. - Have experienced one or more events of severe hypoglycemia during the period of 90 days prior to screening and until randomization. - Are currently receiving or planning to receive treatment for diabetic retinopathy and/or macular edema - Have had chronic or acute pancreatitis - Have used any weight loss drugs or alternative remedies, including herbal or nutritional supplements, within 90 days prior to screening

Study Design

Phase
Phase 3
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
Double (Participant, Investigator)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Tirzepatide Dose 1
Participants will receive tirzepatide subcutaneously (SC)
  • Drug: Tirzepatide
    Administered SC
    Other names:
    • LY3298176
Experimental
Tirzepatide Dose 2
Participants will receive tirzepatide SC
  • Drug: Tirzepatide
    Administered SC
    Other names:
    • LY3298176
Experimental
Tirzepatide Dose 3
Participants will receive tirzepatide SC
  • Drug: Tirzepatide
    Administered SC
    Other names:
    • LY3298176
Experimental
Tirzepatide Dose 4
Participants will receive tirzepatide SC
  • Drug: Tirzepatide
    Administered SC
    Other names:
    • LY3298176
Placebo Comparator
Placebo
Participants will receive placebo SC
  • Drug: Placebo
    Administered SC

Recruiting Locations

Sansum Diabetes Research Institute
Goleta 5352963, California 5332921 93111
Contact:
805-682-7638

Care Access - Santa Clarita
Santa Clarita 5393049, California 5332921 91321
Contact:
661-371-7272

University of Colorado Anschutz Medical Campus
Aurora 5412347, Colorado 5417618 80045
Contact:
303-724-6713

Atlanta Diabetes Associates
Atlanta 4180439, Georgia 4197000 30318

Orita Clinical Research
Decatur 4191124, Georgia 4197000 30034

North Georgia Clinical Research
Woodstock 4231874, Georgia 4197000 30189
Contact:
678-494-5735

East-West Medical Research Institute
Honolulu 5856195, Hawaii 5855797 96814
Contact:
808-531-6886

Rocky Mountain Clinical Research
Idaho Falls 5596475, Idaho 5596512 83404
Contact:
208-522-6005

Southern Illinois University School of Medicine
Springfield 4250542, Illinois 4896861 62702
Contact:
217-545-0176

Indiana University Health University Hospital
Indianapolis 4259418, Indiana 4921868 46202
Contact:
317-278-6017

Iowa Diabetes and Endocrinology Research Center
West Des Moines 4881346, Iowa 4862182 50266

Saint Elizabeth Healthcare - Saint Elizabeth Covington Hospital
Covington 4288809, Kentucky 6254925 41011

Endocrine and Metabolic Consultants
Rockville 4367175, Maryland 4361885 20852
Contact:
301-770-7373

HealthPartners Institute dba International Diabetes Center
Minneapolis 5037649, Minnesota 5037779 55416
Contact:
952-993-1913

SKY Integrative Medical Center/SKYCRNG
Ridgeland 4443296, Mississippi 4436296 39157
Contact:
601-567-1321

Boeson Research MSO
Missoula 5666639, Montana 5667009 59804
Contact:
406-763-8833

Palm Research Center Tenaya
Las Vegas 5506956, Nevada 5509151 89128
Contact:
702-736-5161

Palm Research Center Sunset
Las Vegas 5506956, Nevada 5509151 89148
Contact:
702-736-5161

Albany Medical College, Division of Community Endocrinology
Albany 5106834, New York 5128638 12203
Contact:
518-264-4420

Research Foundation of SUNY - University of Buffalo
Buffalo 5110629, New York 5128638 14221
Contact:
716-535-1850

NYC Research
New York 5128581, New York 5128638 10016
Contact:
516-574-9232

SUNY Upstate Medical University
Syracuse 5140405, New York 5128638 13210
Contact:
315-464-9006

Lucas Research, Inc.
Morehead City 4480153, North Carolina 4482348 28557
Contact:
252-222-5700

Care Access - Lima
Lima 5160783, Ohio 5165418 45805

Alliance for Multispecialty Research, LLC
Norman 4543762, Oklahoma 4544379 73069
Contact:
405-701-8999

Suburban Research Associates
West Chester 4562144, Pennsylvania 6254927 19380

Texas Diabetes & Endocrinology, P.A.
Austin 4671654, Texas 4736286 78731
Contact:
512-334-3505

Velocity Clinical Research, Dallas
Dallas 4684888, Texas 4736286 75230
Contact:
682-348-1169

Tekton Research, LLC.
McKinney 4710178, Texas 4736286 75069
Contact:
972-777-6011

Medrasa Clinical Research
Wylie 4743275, Texas 4736286 75098
Contact:
469-449-3645

Eastside Research Associates
Redmond 5808079, Washington 5815135 98052
Contact:
425-869-6828

Rainier Clinical Research Center
Renton 5808189, Washington 5815135 98057
Contact:
425-251-1720

Advanced Clinical Research, LLC
Bayamón 4562831, Puerto Rico 00959
Contact:
7872696590

Manati Center for Clinical Research
Manatí 4566137, Puerto Rico 00674
Contact:
787-903-1974

More Details

NCT ID
NCT06914895
Status
Recruiting
Sponsor
Eli Lilly and Company

Study Contact

Trial questions or participation questions: 1-877-CTLILLY (1-877-285-4559) or
1-317-615-4559
LillyTrials@Lilly.com