New weekly shot could help control blood sugar in type 2 diabetes
NCT ID NCT06354660
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a new weekly medicine called retatrutide in 537 adults with type 2 diabetes whose blood sugar was not well controlled by diet and exercise alone. Participants received either the medicine or a placebo for about 11 months. The goal was to see if retatrutide safely lowers blood sugar and helps with weight loss.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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537 people
The number who actually took part.
- Started
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Apr 2024
- Finished
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Feb 2026
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
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.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Accellacare - Wilmington - 1917 Tradd Court
Wilmington, North Carolina, 28401, United States
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All India Institute of Medical Sciences
Raipur, Chhattisgarh, 492099, India
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All India Institute of Medical Sciences
Bhubaneswar, Odisha, 751019, India
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Ark Clinical Research
Long Beach, California, 90815, United States
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Arké SMO S.A de C.V
Veracruz, 91910, Mexico
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Boeson Research MSO
Missoula, Montana, 59804, United States
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Brij Medical Centre Private Limited
Kanpur, Uttar Pradesh, 208020, India
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Centro de investigación y control metabólico
San Nicolás de los Garza, Nuevo León, 66465, Mexico
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Clinical Research Associates Inc
Nashville, Tennessee, 37203, United States
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Clinical Research Professionals
Chesterfield, Missouri, 63005, United States
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Clinical Research of Central Florida
Winter Haven, Florida, 33880, United States
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Clinical Research of Philadelphia
Philadelphia, Pennsylvania, 19114, United States
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Clínica García Flores SC
Monterrey, Nuevo León, 64610, Mexico
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Consano Clinical Research, LLC
Shavano Park, Texas, 78231, United States
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Cotton O'Neil Clinical Research Center
Topeka, Kansas, 66606, United States
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Delricht Research - Tobias Gadson Boulevard - Charleston
Charleston, South Carolina, 29407, United States
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Dorado Medical Complex
Dorado, 00646, Puerto Rico
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EME RED Hospitalaria
Mérida, Yucatán, 97000, Mexico
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Eastside Research Associates
Redmond, Washington, 98052, United States
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Eternal Heart Care Center and Research Institute
Jaipur, Rajasthan, 302020, India
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Ezy Medical Research
Miami, Florida, 33175, United States
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Government Medical College - Kozhikode
Kozhikode, Kerala, 673008, India
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Grupo Ollin Care
Pachuca, Hidalgo, 42000, Mexico
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Gujarat Endocrin Pvt Ltd
Ahmedabad, Gujarat, 380052, India
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Instituto Jalisciense de Investigacion en Diabetes y Obesidad
Guadalajara, Jalisco, 04460, Mexico
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Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran
Mexico City, Mexico City, 14080, Mexico
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Lifedoc Research - Lenox Park Drive
Memphis, Tennessee, 38115, United States
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Manassas Clinical Research Center
Manassas, Virginia, 20110, United States
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Medical Care and Research SA de CV
Mérida, Yucatán, 97070, Mexico
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MultiCare Rockwood Cheney Clinic
Cheney, Washington, 99004, United States
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NECCR PrimaCare Research
Fall River, Massachusetts, 02721, United States
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NJ MedCare & NJ Heart
Linden, New Jersey, 07036, United States
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New Horizon Research Center
Miami, Florida, 33165, United States
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Nirmal Hospital Pvt Ltd.
Surat, Gujarat, 395002, India
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Northeast Research Institute (NERI)
Fleming Island, Florida, 32003, United States
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Ponce Medical School Foundation Inc.
Ponce, 00716, Puerto Rico
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Preferred Primary Care Physicians
Uniontown, Pennsylvania, 15401, United States
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Prime Revival Research Institute, LLC
Flower Mound, Texas, 75028, United States
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Providence Health Partners-Center for Clinical Research
Dayton, Ohio, 45439, United States
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San Fernando Valley Health Institute
Canoga Park, California, 91304, United States
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Scottsdale Clinical Trials
Scottsdale, Arizona, 85260, United States
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Texas Valley Clinical Research
Weslaco, Texas, 78596, United States
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Trinity Research Centers
Marietta, Georgia, 30064, United States
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Tucson Clinical Research Institute
Tucson, Arizona, 85712, United States
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Unidad biomedica avanzada monterrey
Monterrey, Nuevo León, 64460, Mexico
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Valley Institute of Research - Fort Worth
Fort Worth, Texas, 76164, United States
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Velocity Clinical Research, Dallas
Dallas, Texas, 75230, United States
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Victoria Hospital, Bangalore Medical College And Research Institute
Bangalore, Karnataka, 560002, India
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Other studies related to the condition(s) this trial covers.
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