A Study of Tirzepatide (LY3298176) Compared With Placebo in Adults With Type 1 Diabetes and Obesity or Overweight (SURPASS-T1D-1)
A Phase 3, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study Evaluating the Efficacy and Safety of Tirzepatide Once Weekly Compared to Placebo in Adult Participants With Type 1 Diabetes and Obesity or Overweight
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Estimated)
Enrollment
Phase
Phase
- Phase 3
Contacts and Locations
Study Contact
Study Contact
- Name: Trial questions or participation questions: 1-877-CTLILLY (1-877-285-4559) or
- Phone Number: 1-317-615-4559
- Email: LillyTrials@Lilly.com
Study Contact Backup
- Name: Physicians interested in becoming principal investigators please contact
- Email: clinical_inquiry_hub@lilly.com
Study Locations
-
-
-
Buenos Aires, Argentina, C1119ACN
- CIPREC
-
Buenos Aires, Argentina, C1440AAD
- CENUDIAB
-
Buenos Aires, Argentina, C1056ABI
- Centro de Investigaciones Metabolicas (CINME)
-
Buenos Aires, Argentina, C1405BUB
- Consultorio de Investigacion Clinica EMO SRL
-
Buenos Aires, Argentina, C1056ABH
- Investigaciones Medicas Imoba Srl
-
Córdoba, Argentina, 5000
- Instituto de Investigaciones Clínicas Córdoba
-
Córdoba, Argentina, 5006
- Centro Medico Privado San Vicente Diabetes
-
Mar del Plata, Argentina, 7600
- Centro de Investigaciones Medicas Mar del Plata
-
Rosario, Argentina, 2000
- Fundacion Estudios Clinicos
-
Río Cuarto, Argentina, X5800AEV
- Instituto Medico Rio Cuarto
-
Santa Fe, Argentina, 3000
- Centro de Diagnóstico y Rehabilitación (CEDIR)
-
Santa Rosa, Argentina, L6300
- Centro de Salud e Investigaciones Médicas
-
-
-
-
-
Curitiba, Brazil, 80810-040
- Centro de Diabetes Curitiba
-
Fortaleza, Brazil, 60175-047
- Centro De Diabetes Metabolismo E Endocrinologia
-
Fortaleza, Brazil, 60430-350
- Private Practice - Dr.Miguel N. Hissa
-
Goiânia, Brazil, 74605-020
- Universidade Federal de Goias
-
São Paulo, Brazil, 01228-000
- CPQuali Pesquisa Clínica
-
São Paulo, Brazil, 04266-010
- CEPIC - Centro Paulista de Investigação Clínica
-
São Paulo, Brazil, 01228-200
- CPCLIN
-
São Paulo, Brazil, 05403-000
- Hospital das Clinicas FMUSP
-
São Paulo, Brazil, 04038-032
- IBTED - Tecnologia e Educação em Diabetes
-
Vitória, Brazil, 29055450
- CEDOES
-
-
-
-
-
Esbjerg, Denmark, 6700
- Esbjerg sygehus, Syddansk Universitetshospital
-
Herlev, Denmark, 2730
- Steno Diabetes Center - Copenhagen
-
Herning, Denmark, 7400
- Regionshospitalet Gødstrup
-
Hillerød, Denmark, 3400
- Nordsjællands Hospital - Hillerød
-
Køge, Denmark, 4600
- Sjællands Universitetshospital Køge
-
-
-
-
-
Caen, France, 14033
- Centre Hospitalier Universitaire de Caen - Hopital Cote de Nacre
-
Corbeil-Essonnes, France, 91106
- Centre Hospitalier Sud Francilien
-
Le Creusot, France, 71200
- Hôtel-Dieu du Creusot - site Harfleur
-
Lyon, France, 69008
- Centre du diabète DIAB-eCARE
-
Marseille, France, 13005
- Hopital de la Conception
-
Marseille, France, 13003
- Hôpital Européen Marseille
-
Montpellier, France, 34295
- CHU Montpellier Lapeyronie Hospital
-
Nantes, France, 44093
- Hôpital Nord Guillaume-et-René-Laennec / CHU de Nantes
-
Pontoise, France, 95300
- Hopital Novo
-
Strasbourg, France, 67098
- CHU Strasbourg-Hautepierre
-
Toulon, France, 83100
- Centre Hospitalier intercommunal de Toulon La Seyne sur Mer
-
Toulouse, France, 31059
- CHU Rangueil
-
Vénissieux, France, 69200
- Groupe Hospitalier Mutualiste Les Portes du Sud
-
-
-
-
-
Bad Mergentheim, Germany, 97980
- Diabetespraxis Mergentheim
-
Bochum, Germany, 44869
- Diabetes- und Stoffwechselpraxis Bochum
-
Essen, Germany, 45136
- InnoDiab Forschung GmbH
-
Hamburg, Germany, 21109
- Diabetes Zentrum Wilhelmsburg
-
Karlsburg, Germany, 17495
- Klinikum Karlsburg
-
Leipzig, Germany, 04103
- Universitatsklinikum Leipzig
-
Münster, Germany, 48145
- Institut für Diabetesforschung GmbH Münster
-
Oldenburg, Germany, 23758
- Red-Institut GmbH
-
Pirna, Germany, 01796
- Arztpraxis Christine Kosch Pirna
-
-
-
-
-
Beer Yaacov, Israel, 70300
- Yitzhak Shamir Medical Center
-
Beersheba, Israel, 8410101
- Soroka Medical Center
-
Haifa, Israel, 3109601
- Rambam Health Care Campus
-
Herzliya, Israel, 4600201
- Institute of Diabetes, Technology and Research - Clalit Health
-
Jerusalem, Israel, 9112001
- Hadassah Medical Center
-
Petah Tikva, Israel, 4941492
- Rabin Medical Center
-
Petah Tikva, Israel, 4920235
- Schneider Children's Medical Center
-
Ramat Gan, Israel, 5262100
- Sheba medical center
-
Tel Aviv, Israel, 6423906
- Sourasky Medical Center
-
Tel Aviv, Israel, 51549
- Diabetes Medical Center
-
-
-
-
-
Bologna, Italy, 40138
- IRCCS - AOU di Bologna
-
Catanzaro, Italy, 88100
- AOU Renato Dulbecco
-
Florence, Italy, 50134
- Azienda Ospedaliera Universitaria Careggi
-
Milan, Italy, 20132
- Ospedale San Raffaele
-
Naples, Italy, 80100
- University of Naples Federico II
-
Padova, Italy, 35128
- Azienda Ospedale - Università Padova
-
Roma, Italy, 00168
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS - Universita Cattolica del Sacro Cuore
-
Torino, Italy, 10126
- Azienda Ospedaliero-Universitaria Città della Salute e della Scienza di Torino
-
-
-
-
-
Chūōku, Japan, 103-0002
- The Institute of Medical Science, Asahi Life Foundation
-
Ebina, Japan, 243-0432
- Matoba Internal Medicine Clinic
-
Fukuoka, Japan, 815-8555
- Japanese Red Cross Fukuoka Hospital
-
Fukuoka, Japan, 815-0071
- Clinic Masae Minami
-
Hachioji-shi, Japan, 192-0083
- Hachioji Diabetes Clinic
-
Kamakura-shi, Japan, 247-0056
- Takai Internal Medicine Clinic
-
Kashiwara, Japan, 582-0005
- Shiraiwa Medical Clinic
-
Kasugai, Japan, 486-8510
- Kasugai Municipal Hospital
-
Kisarazu, Japan, 292-8535
- Kimitsu Chuo Hospital
-
Kofu, Japan, 400-8506
- Yamanashi Prefectural Central Hospital
-
Kumamoto, Japan, 862-0976
- Jinnouchi Hospital
-
Kumamoto, Japan, 862-0965
- Kumamoto Central Hospital - Kumamoto
-
Kure, Japan, 737-0023
- Kure Medical Center
-
Matsuyama, Japan, 790-0034
- Mikannohana Clinic, Diabetes, Endocrinology and Metabolism
-
Mito, Japan, 310-0845
- Kozawa eye hospital and diabetes center
-
Miyazaki, Japan, 880-0034
- Heiwadai Hospital
-
Nagoya, Japan, 464-0858
- Soleil Chikusa Clinic
-
Nagoya, Japan, 468-0009
- Tosaki Clinic for Diabetes and Endocrinology
-
Naka, Japan, 311-0113
- Nakakinen clinic
-
Osaka, Japan, 534-0021
- Osaka City General Hospital
-
Sapporo, Japan, 060-0062
- Manda Memorial Hospital
-
Sapporo, Japan, 060-0001
- Odori Diabetes
-
Shimonoseki, Japan, 750-0061
- Shimonoseki Medical Center
-
Shinjuku, Japan, 160-0022
- Tomonaga Clinic
-
Shizuoka, Japan, 424-0855
- Suruga Clinic
-
Tama, Japan, 206-0033
- Tama Center Clinic Mirai
-
Ushiku, Japan, 300-1207
- Noritake Clinic
-
Wakayama, Japan, 640-8558
- Japanese Red Cross Society - Wakayama Medical Center
-
Ōita, Japan, 870-0039
- Abe Clinic
-
-
-
-
-
Chihuahua City, Mexico, 31110
- Enclifar Ensayos Clínicos Farmacológicos Sc
-
Guadalajara, Mexico, 44670
- Unidad de Investigación Clínica y Atención Médica HEPA S.C.
-
Guadalajara, Mexico, 44260
- Centro de Investigacion Medica de Occidente, S.C.
-
Guadalajara, Mexico, 44150
- Unidad de Investigaci�n Cl�nica Cardiometabolica de Occidente
-
Hacienda de Las Palmas, Mexico, 52763
- Invecordis S.C.
-
Monterrey, Mexico, 64020
- CEINV Salud
-
Monterrey, Mexico, 64610
- Clínica García Flores SC
-
Puebla City, Mexico, 72190
- Consultorio Médico de Endocrinología y Pediatría
-
Tampico, Mexico, 89210
- Medsal Centro Médico
-
-
-
-
-
Bayamón, Puerto Rico, 00959
- Advanced Clinical Research, LLC
-
Manati, Puerto Rico, 00674
- Manati Center for Clinical Research
-
-
-
-
-
A Coruña, Spain, 15006
- CHUAC-Complejo Hospitalario Universitario A Coruña
-
Barcelona, Spain, 08036
- Hospital Clinic de Barcelona
-
Barcelona, Spain, 08035
- Hospital Universitari Vall d'Hebron
-
Barcelona, Spain, 08041
- Hospital de La Santa Creu i Sant Pau
-
Ferrol, Spain, 15405
- Complejo Hospitalario Universitario de Ferrol (CHUF)- Hospital Naval
-
Móstoles, Spain, 28935
- Hospital Universitario de Móstoles
-
Santander, Spain, 39008
- Hospital Universitario Marqués de Valdecilla
-
Seville, Spain, 41013
- Hospital Universitario Virgen del Rocío
-
-
-
-
California
-
Santa Barbara, California, United States, 93105
- Sansum Diabetes Research Institute
-
Santa Clarita, California, United States, 91321
- Care Access - Santa Clarita
-
-
Colorado
-
Aurora, Colorado, United States, 80045
- University of Colorado Anschutz Medical Campus
-
-
Georgia
-
Atlanta, Georgia, United States, 30318
- Atlanta Diabetes Associates
-
Decatur, Georgia, United States, 30034
- Orita Clinical Research
-
Woodstock, Georgia, United States, 30189
- North Georgia Clinical Research
-
-
Hawaii
-
Honolulu, Hawaii, United States, 96814
- East-West Medical Research Institute
-
-
Idaho
-
Idaho Falls, Idaho, United States, 83404
- Rocky Mountain Clinical Research
-
-
Illinois
-
Springfield, Illinois, United States, 62702
- Southern Illinois University School of Medicine
-
-
Indiana
-
Indianapolis, Indiana, United States, 46202
- Indiana University Health University Hospital
-
-
Iowa
-
West Des Moines, Iowa, United States, 50266
- Iowa Diabetes and Endocrinology Research Center
-
-
Maryland
-
Rockville, Maryland, United States, 20852
- Endocrine and Metabolic Consultants
-
-
Minnesota
-
Minneapolis, Minnesota, United States, 55416
- HealthPartners Institute dba International Diabetes Center
-
-
Mississippi
-
Ridgeland, Mississippi, United States, 39157
- SKY Integrative Medical Center/SKYCRNG
-
-
Montana
-
Missoula, Montana, United States, 59804
- Boeson Research MSO
-
-
Nevada
-
Las Vegas, Nevada, United States, 89148
- Palm Research Center Sunset
-
Las Vegas, Nevada, United States, 89128
- Palm Research Center Tenaya
-
-
New York
-
Albany, New York, United States, 12203
- Albany Medical College, Division of Community Endocrinology
-
Buffalo, New York, United States, 14221
- Research Foundation of SUNY - University of Buffalo
-
New York, New York, United States, 10016
- NYC Research
-
Syracuse, New York, United States, 13210
- SUNY Upstate Medical University
-
-
North Carolina
-
Morehead City, North Carolina, United States, 28557
- Lucas Research, Inc.
-
-
Ohio
-
Lima, Ohio, United States, 45805
- Care Access - Lima
-
-
Oklahoma
-
Norman, Oklahoma, United States, 73069
- Alliance for Multispecialty Research, LLC
-
-
Pennsylvania
-
West Chester, Pennsylvania, United States, 19380
- Suburban Research Associates
-
-
Texas
-
Austin, Texas, United States, 78731
- Texas Diabetes & Endocrinology, P.A.
-
Dallas, Texas, United States, 75230
- Velocity Clinical Research, Dallas
-
McKinney, Texas, United States, 75069
- Tekton Research, LLC.
-
Wylie, Texas, United States, 75098
- Medrasa Clinical Research
-
-
Washington
-
Redmond, Washington, United States, 98052
- Eastside Research Associates
-
Renton, Washington, United States, 98057
- Rainier Clinical Research Center
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
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 Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Placebo Comparator: Placebo
Participants will receive placebo SC
|
Administered SC
|
|
Experimental: Tirzepatide Dose 1
Participants will receive tirzepatide subcutaneously (SC)
|
Administered SC
Other Names:
|
|
Experimental: Tirzepatide Dose 2
Participants will receive tirzepatide SC
|
Administered SC
Other Names:
|
|
Experimental: Tirzepatide Dose 3
Participants will receive tirzepatide SC
|
Administered SC
Other Names:
|
|
Experimental: Tirzepatide Dose 4
Participants will receive tirzepatide SC
|
Administered SC
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Change from Baseline in Hemoglobin A1c (HbA1c)
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Change from Baseline in Waist Circumference
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
|
Change from Baseline in Body Weight
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
|
Change from Baseline in Systolic Blood Pressure (SBP)
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
|
Percent Change from Baseline in Body Weight
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
|
Percentage of Time Continuous Glucose Monitor (CGM) Glucose Values are Between 70 and 180 milligrams per deciliter (mg/dL) (3.9 and 10.0 millimoles per liter (mmol/L) Inclusive, Per Day
Time Frame: Within 30 days prior to Week 40
|
Within 30 days prior to Week 40
|
|
Percentage of Participants with ≥5% Body Weight Reduction
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
|
Percentage of Participants with ≥10% Body Weight Reduction
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
|
Percentage of Participants with ≥15% Body Weight Reduction
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
|
Percent Change from Baseline in Fasting Triglycerides
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
|
Percent Change from Baseline in Fasting Non-High-Density Lipoprotein (non-HDL) Cholesterol
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
|
Percent Change from Baseline in Total Daily Insulin Dose
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
|
Percent Change from Baseline in High-Sensitivity C-Reactive Protein (hsCRP)
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
|
Change from Baseline in EQ-5D-5L
Time Frame: Baseline, Week 40
|
Baseline, Week 40
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Study Director: Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 8 AM - 8 PM Eastern time (UTC/GMT - 5 hours, EST), Eli Lilly and Company
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Estimated)
Primary Completion
Study Completion (Estimated)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Endocrine System Diseases
- Nutrition Disorders
- Metabolic Diseases
- Overnutrition
- Body Weight
- Autoimmune Diseases
- Immune System Diseases
- Glucose Metabolism Disorders
- Diabetes Mellitus
- Pathological Conditions, Signs and Symptoms
- Nutritional and Metabolic Diseases
- Signs and Symptoms
- Overweight
- Obesity
- Diabetes Mellitus, Type 1
- Amino Acids, Peptides, and Proteins
- Proteins
- Glucagon-Like Peptide-1 Receptor
- Glucagon-Like Peptide Receptors
- Receptors, G-Protein-Coupled
- Receptors, Cell Surface
- Membrane Proteins
- Receptors, Gastrointestinal Hormone
- Receptors, Peptide
- Tirzepatide
Other Study ID Numbers
Other Study ID Numbers
- 27285
- I8F-MC-GPJA (Other Identifier: Eli Lilly and Company)
- 2024-519684-17-00 (Ctis)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- CSR
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.