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Effect of Retatrutide Compared With Placebo in Adult Participants With Type 2 Diabetes and Inadequate Glycemic Control With Diet and Exercise Alone (TRANSCEND-T2D-1)

A Phase 3, Randomized, Multicenter, Double-Blind Study to Investigate the Efficacy and Safety of Retatrutide Once Weekly Compared With Placebo in Adult Participants With Type 2 Diabetes and Inadequate Glycemic Control With Diet and Exercise Alone (TRANSCEND-T2D-1)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06354660
Enrollment
537
Registered
2024-04-09
Start date
2024-04-10
Completion date
2026-02-20
Last updated
2026-03-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Diabetes Type 2

Keywords

Glucose Metabolism Disorders, Metabolic Diseases, Endocrine System Diseases

Brief summary

The purpose of this study is to investigate the efficacy and safety of retatrutide compared with placebo in participants with Type 2 Diabetes and inadequate glycemic control. The study will last about 11 months and may include up to 11 visits.

Interventions

DRUGRetatrutide

Administered SC.

DRUGPlacebo

Administered SC.

Sponsors

Eli Lilly and Company
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Have Type 2 Diabetes (T2D) * Have HbA1c ≥ 7.0% to ≤ 9.5% * Are naïve to insulin therapy and have not used oral or injectable antihyperglycemic (diabetes) medication for at least 90 days prior to screening * Are of stable weight for at least 90 days prior to screening * Have a Body Mass Index (BMI) ≥ 23.0 kilograms per meter squared (kg/m\^2)

Exclusion criteria

* Have Type 1 Diabetes (T1D) * Have a history of ketoacidosis or hyperosmolar state or coma within the last 6 months prior to screening * Have a history of severe hypoglycemia or hypoglycemia unawareness within the last 6 months prior to screening * Are currently receiving or planning to receive treatment for diabetic retinopathy and/or macular edema * Have an estimated glomerular filtration rate (eGFR) \<15 milliliters/minute/1.73 meter squared (mL/min/1.73 m\^2) as determined by the central laboratory * Have a prior or planned surgical treatment for obesity * Have New York Heart Association Functional Classification IV congestive heart failure * Have had an acute myocardial infarction, stroke, or were hospitalized for congestive heart failure within 90 days prior to screening * Have a known clinically significant gastric emptying abnormality * Have a history of an active or untreated malignancy or are in remission from a clinically significant malignancy for less than 5 years * Have any lifetime history of a suicide attempt * Had chronic or acute pancreatitis * Have a family or personal history of medullary thyroid carcinoma or multiple endocrine neoplasia (MEN) syndrome Type 2 * Have taken prescribed or over-the-counter medication, or alternative remedies, intended to promote body weight reduction within 90 days prior to screening.

Design outcomes

Primary

MeasureTime frame
Change from Baseline in Hemoglobin A1c (HbA1c) (%)Baseline, Week 40

Secondary

MeasureTime frame
Percentage of Participants Who Achieve HbA1c < 7.0%Week 40
Percentage of Participants Who Achieve HbA1c ≤ 6.5%Week 40
Percentage of Participants Who Achieve HbA1c < 5.7%Week 40
Change from Baseline in Fasting Serum GlucoseBaseline, Week 40
Percent Change from Baseline in Body WeightBaseline, Week 40
Change from Baseline in Body WeightBaseline, Week 40
Percentage of Participants Who Achieve Weight Reduction of ≥ 5%Week 40
Percentage of Participants Who Achieve Weight Reduction of ≥ 10%Week 40
Percentage of Participants Who Achieve Weight Reduction of ≥ 15%Week 40
Percentage of Participants Who Achieve HbA1c ≤ 6.5% and ≥ 10% Weight ReductionWeek 40
Percent Change from Baseline in TriglyceridesBaseline, Week 40
Percent Change from Baseline in Non- High-Density Lipoprotein (HDL) CholesterolBaseline, Week 40
Change from Baseline in Systolic Blood Pressure (SBP)Baseline, Week 40

Countries

India, Mexico, Puerto Rico, United States

Contacts

STUDY_DIRECTORCall 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 9 AM - 5 PM Eastern time (UTC/GMT - 5 hours, EST)

Eli Lilly and Company

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 8, 2026