Status:

RECRUITING

A Long-Term Study of Tirzepatide (LY3298176) in Adults With Type 1 Diabetes and Obesity or Overweight

Lead Sponsor:

Eli Lilly and Company

Conditions:

Type 1 Diabetes

Obesity

Eligibility:

All Genders

18+ years

Phase:

PHASE3

Brief Summary

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

Eligibility Criteria

Inclusion

  • 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

  • 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

Key Trial Info

Start Date :

May 12 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 1 2027

Estimated Enrollment :

465 Patients enrolled

Trial Details

Trial ID

NCT06962280

Start Date

May 12 2025

End Date

December 1 2027

Last Update

December 24 2025

Active Locations (79)

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Page 1 of 20 (79 locations)

1

Kaiser Permanente Bonita Medical Offices

Bonita, California, United States, 91902

2

AMCR Institute

Escondido, California, United States, 92025

3

Mary & Dick Allen Diabetes Center

Newport Beach, California, United States, 92663

4

University Clinical Investigators, Inc.

Tustin, California, United States, 92780