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 Genders
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, California 93111
Contact:
805-682-7638

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

Atlanta Diabetes Associates
Atlanta, Georgia 30318

Orita Clinical Research
Decatur, Georgia 30034

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

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

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

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

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

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

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

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

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

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

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

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

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

Care Access - Lima
Lima, Ohio 45805

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

Suburban Research Associates
West Chester, Pennsylvania 19380

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

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

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

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

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

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

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

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

More Details

NCT ID
NCT06914895
Status
Recruiting
Sponsor
Eli Lilly and Company

Study Contact

There may be multiple sites in this clinical trial. 1-877-CTLILLY (1-877-285-4559) or
317-615-4559
clinical_inquiry_hub@lilly.com