Protege Encore Study- Clinical Trial of Teplizumab (MGA031) in Children and Adults With Recent-Onset Type 1 Diabetes Mellitus

NCT ID: NCT00920582

Last Updated: 2023-12-20

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE3

Total Enrollment

254 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-09-30

Study Completion Date

2012-07-31

Brief Summary

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The primary purpose of this study is to determine whether teplizumab (MGA031) infusions lead to greater reductions in insulin requirements in conjunction with near normal blood sugar control compared to placebo in patients recently diagnosed with type 1 diabetes.

Detailed Description

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Conditions

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Type 1 Diabetes Mellitus

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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Herold Regimen

14-day cycle of teplizumab consisting of daily IV doses of 51 µg/m2, 103 µg/m2, 207 µg/m2, and 413 µg/m2 on Study Days 1-4, respectively, and one dose of 826 µg/m2 on each of Study Days 5-14. Repeat at Week 26

Group Type EXPERIMENTAL

Teplizumab Herold Regimen

Intervention Type BIOLOGICAL

Full dose of teplizumab IV for 14 days, repeated at Week 26

33.3% Herold Regimen

Subjects received a 14-day cycle of teplizumab consisting of daily IV doses of 17 µg/m2, 34 µg/m2, 68 µg/m2, and 136 µg/m2 on Study Days 1-4, respectively, and one dose of 273 µg/m2 on each of Study Days 5-14. Repeat at Week 26

Group Type EXPERIMENTAL

Teplizumab 33.3% Herold Regimen

Intervention Type BIOLOGICAL

One third full dose of teplizumab IV for 14 days, repeated at Week 26

Curtailed Herold Regimen

Subjects received a 6 day cycle of teplizumab consisting of daily IV doses of 51 µg/m2, 103 µg/m2, 207 µg/m2, and 413 µg/m2 on Study Days 1-4, respectively, and one dose of 826 µg/m2 on each of Study Days 5-6, followed by 8 days of IV placebo (Study Days 7-14). Repeat at Week 26

Group Type EXPERIMENTAL

Teplizumab Curtailed Herold Regimen

Intervention Type BIOLOGICAL

Full dose of teplizumab IV for 6 days followed by placebo for 8 days, repeated at Week 26

Placebo

14-day cycle of placebo consisting of daily IV doses. Repeat at Week 26

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

IV dosing daily for 14 days repeated at Week 26

Interventions

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Teplizumab Herold Regimen

Full dose of teplizumab IV for 14 days, repeated at Week 26

Intervention Type BIOLOGICAL

Placebo

IV dosing daily for 14 days repeated at Week 26

Intervention Type DRUG

Teplizumab 33.3% Herold Regimen

One third full dose of teplizumab IV for 14 days, repeated at Week 26

Intervention Type BIOLOGICAL

Teplizumab Curtailed Herold Regimen

Full dose of teplizumab IV for 6 days followed by placebo for 8 days, repeated at Week 26

Intervention Type BIOLOGICAL

Other Intervention Names

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MGA031 MGA031

Eligibility Criteria

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Inclusion Criteria

1. Subjects 8-35 years old
2. Body weight \> 36 Kg
3. Diagnosis of diabetes mellitus according to the American Diabetes Association (ADA) criteria
4. Randomization on Study Day 0 within 12 weeks of first visit to any physician for symptoms or signs of diabetes
5. Requires insulin for T1DM or has required insulin at some time between diagnosis and administration of study drug
6. Detectable fasting or stimulated C-peptide level (above the lower limit of the reportable range of the assay) at screening
7. Diagnosis of T1DM as evidenced by one positive result on testing for any of the following antibodies at screening:

* Islet-cell autoantibodies 512 (ICA512)/islet antigen-2 (IA-2),
* Glutamic acid decarboxylase (GAD) autoantibodies, or
* Insulin autoantibodies (in subjects on insulin for more than 2 weeks, ICA512/IA-2 or GAD must be positive).

Exclusion Criteria

1. Prior administration of a monoclonal antibody-within the 1 year before randomization
2. Participation in any type of therapeutic drug or vaccine clinical trial within the last 12 weeks before randomization at Study Day 0
3. Any medical condition that, in the opinion of the investigator, would interfere with safe completion of the trial
4. Pregnant females or lactating females who intend to provide their own breast milk to the baby during the study
5. Current therapy with GLP-1 receptor agonists (e.g., exenatide or pramlintide), or any other agents that might stimulate pancreatic beta cell regeneration or insulin secretion
6. Current treatment with oral antidiabetic agents
7. Evidence of active or latent tuberculosis
8. Vaccination with a live virus or organism within the 8 weeks before randomization continuing through Week 52 of the study.

* Influenza vaccination with a killed virus, including booster vaccinations, within 4 weeks before or after each dosing cycle.
* Vaccination with other antigens or killed organisms within 8 weeks before or after each dosing cycle
9. Any infectious mononucleosis-like illness within the 6 months before randomization
Minimum Eligible Age

8 Years

Maximum Eligible Age

35 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Eli Lilly and Company

INDUSTRY

Sponsor Role collaborator

MacroGenics

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Saint Barnabas Medical Center

Livingston, New Jersey, United States

Site Status

Albany Medical College

Albany, New York, United States

Site Status

Bassett Healthcare

Cooperstown, New York, United States

Site Status

East Carolina University, Brody School of Medicine

Greenville, North Carolina, United States

Site Status

Children's Hospital of Philadelphia

Philadelphia, Pennsylvania, United States

Site Status

GHS Pediatric Endocrinology

Greenville, South Carolina, United States

Site Status

AM Diabetes & Endocrinology Center

Bartlett, Tennessee, United States

Site Status

University Diabetes & Endocrine Consultants

Chattanooga, Tennessee, United States

Site Status

LeBonheur Children's Medical Center

Memphis, Tennessee, United States

Site Status

Research Institute of Dallas

Dallas, Texas, United States

Site Status

Southwest Clinical Trials

Houston, Texas, United States

Site Status

Houston Center for Clinical Research

Houston, Texas, United States

Site Status

Medical & Surgical Clinic of Irving

Irving, Texas, United States

Site Status

InVisions Consultants, LLC

San Antonio, Texas, United States

Site Status

Diabetes and Glandular Disease Research Associates, PA

San Antonio, Texas, United States

Site Status

Endocrine Research Specialists

Ogden, Utah, United States

Site Status

Virginia Commonwealth University-Division of Pediatric Endocrinology & Metabolism

Richmond, Virginia, United States

Site Status

University of Washington

Seattle, Washington, United States

Site Status

Universitair Ziekenhuis Antwerpen

Edegem, Antwerp, Belgium

Site Status

Cliniques du Sud Luxembourg - Vivalia

Arlon, , Belgium

Site Status

I. Detska interni klinika,Fakultni nemocnice Brno Detska nemocnice

Brno, , Czechia

Site Status

Klinika deti a dorostu FN Kralovske Vinohrady

Prague, , Czechia

Site Status

Centrum diabetologie, Institut klinicke a experimentalni mediciny

Prague, , Czechia

Site Status

Pediatricka klinika UK 2.LF a FN Motol, Fakultni nemocnice v Motole

Prague, , Czechia

Site Status

Detska klinika, Masarykova nemocnice v Usti nad Labem, o.z.

Ústí nad Labem, , Czechia

Site Status

Kuopio University Hospital

Kuopio, , Finland

Site Status

Central Hospital of Mikkeli

Mikkeli, , Finland

Site Status

Oulu University Hospital

Oulu, , Finland

Site Status

CHU de Besançon

Besançon, , France

Site Status

CHU de Brest Hôpital de la Cavale Blanche

Brest, , France

Site Status

Centre Hospitalier Sud Francilien

Corbeil-Essonnes, , France

Site Status

CHU de Bordeaux

Pessac, , France

Site Status

CHU de Reims

Reims, , France

Site Status

Hôpitaux Universitaires de Strasbourg Hôpital Civil

Strasbourg, , France

Site Status

Diabetes-Klinik Bad Nauheim GmbH

Bad Nauheim, , Germany

Site Status

Herz und Diabeteszentrum Nordrhein-Westfallen

Bad Oeynhausen, , Germany

Site Status

Charite, Campus Benjamin Franklin

Berlin, , Germany

Site Status

Universitätsklinikum Düsseldorf

Düsseldorf, , Germany

Site Status

Universitatsklinik Giessen

Giessen, , Germany

Site Status

Asklepios Westklinikum Hamburg

Hamburg, , Germany

Site Status

Kinderkrankenhaus auf der Bult

Hanover, , Germany

Site Status

Universitatsklinikum Heidelberg

Heidelberg, , Germany

Site Status

Medwin Hospitals

Hyderabad, Andhra Pradesh, India

Site Status

King George Hospital

Visakhapatnam, Andhra Pradesh, India

Site Status

DHL Research Centre

Ahmedabad, Gujarat, India

Site Status

Bangalore Diabetes Centre

Bangalore, Karnataka, India

Site Status

Health & Research Centre

Trivandrum, Kerala, India

Site Status

Gandhi's Research Institute

Nagpur, Maharashtra, India

Site Status

Grant Medical Foundation

Pune, Maharashtra, India

Site Status

KEM Hospital Research Center

Pune, Maharashtra, India

Site Status

Maulana Azad Medical College and Associated Hospitals

New Delhi, National Capital Territory of Delhi, India

Site Status

Kalinga Hospital Limited

Bhubaneswar, Odisha, India

Site Status

Diabetes-Thyroid-Hormone Research Institute Pvt. Ltd.

Madhya, Pradesh, India

Site Status

Dayanand Medical College and Hospital

Ludhiana, Punjab, India

Site Status

Fortis Escorts Hospital

Jaipur, Rajasthan, India

Site Status

Hormone Care & Research Center

Ghaziabad, Uttar Pradesh, India

Site Status

B. P. Poddar Hospital & Medical Research Limited

Kolkata, West Bengal, India

Site Status

Apollo Glenagles Hospital

Kolkata, West Bengal, India

Site Status

Hillel Yaffe Medical Center

Hadera, , Israel

Site Status

Mayer Children's Hospital of Haifa

Haifa, , Israel

Site Status

The E. Wolfson Medical Center

Holon, , Israel

Site Status

Schneider Children's Medical

Petah Tikva, , Israel

Site Status

The Safra Children's Hospital, The Chaim Sheba Medical Center

Ramat Gan, , Israel

Site Status

Struttura Complessa di Pediatria, Azienda Ospedaliero-Universitaria di Modena,

Modena, , Italy

Site Status

U.O. di Malattie del Metabolismo

Pisa, , Italy

Site Status

U.O. di Malattie Metaboliche e Diabetologia

Pisa, , Italy

Site Status

Hospital y Clinica OCA / Monterrey International Research Center

Monterrey, Nuevo León, Mexico

Site Status

Medical Care & Research

Mérida, Yucatán, Mexico

Site Status

Centro Especializado en Diabetes, Obesidad y Prevención de Enfermedades Cardiovasculares, S.C.

Mexico City, , Mexico

Site Status

Stichting Diabeter

Rotterdam, , Netherlands

Site Status

Uniwersytecki Szpital Kliniczny w Bialymstoku

Bialystok, , Poland

Site Status

Uniwersyteckie Centrum Kliniczne

Gdansk, , Poland

Site Status

Wojewódzki Specjalistyczny Szpital Dzieciecy

Kielce, , Poland

Site Status

Samodzielny Publiczny Zaklad Opieki Zdrowotnej Uniwersytecki Szpital Kliniczny Nr 4

Lodz, , Poland

Site Status

Samodzielny Publiczny Dzieciecy Szpital Kliniczny w Warszawie-Filia

Warsaw, , Poland

Site Status

Samodzielny Publiczny Szpital Kliniczny Nr1 we Wroclawiu

Wroclaw, , Poland

Site Status

S.C. Minimed S.R.L.

Bacau, , Romania

Site Status

Institutul National De Diabet, Nutritie si Boli Metabolice

Bucharest, , Romania

Site Status

Spitalul Judetean de Urgenta Satu Mare

Satu Mare, , Romania

Site Status

Hospital Universitario Principe de Asturias

Alcalá de Henares, , Spain

Site Status

Hospital Dr. Josep Trueta

Girona, , Spain

Site Status

Donetsk Regional Children Clinical Hospital

Donetsk, , Ukraine

Site Status

Ivano-Frankivsk Regional Clinical Hospital

Ivano-Frankivsk, , Ukraine

Site Status

Ivano-Frankivsk State Regional Pediatric Clinical Hospital

Ivano-Frankivsk, , Ukraine

Site Status

Kharkiv Regional Clinical Children Hospital, Department of Endocrinology

Kharkiv, , Ukraine

Site Status

Ukrainian Children Specialized Clinical Hospital

Kyiv, , Ukraine

Site Status

Institute of Endocrinology and Metabolism named after V.Komisarenko of AMS Ukraine

Kyiv, , Ukraine

Site Status

Regional Clinical Endocrinology Dispensary of MoH Ukraine

Vinnitsa, , Ukraine

Site Status

George Eliot Hospital NHS Trust

Nuneaton, Warwickshire, United Kingdom

Site Status

University of Bristol Henery Wellcome laboratories for Integrative Neuroscience and Endocrinology,

Bristol, , United Kingdom

Site Status

Aintree University Hospitals NHS Foundation Trust

Liverpool, , United Kingdom

Site Status

Kings College, Clinical Research Unit, Department of Diabetes and Endocrinology

London, , United Kingdom

Site Status

Queens Medical Centre, Diabetes and Endocrinology Unit

Nottingham, , United Kingdom

Site Status

Sheffield Children's Hospital NHS Foundation Trust

Sheffield, , United Kingdom

Site Status

University of Alabama at Birmingham

Birmingham, Alabama, United States

Site Status

NEA Clinic

Jonesboro, Arkansas, United States

Site Status

Arkansas Children's Hospital

Little Rock, Arkansas, United States

Site Status

Clinical Innovations Inc. Research Facility

Costa Mesa, California, United States

Site Status

Axis Clinical Trials

Los Angeles, California, United States

Site Status

Diabetes Associates Medical Group, Inc

Orange, California, United States

Site Status

Clinical Innovations, Inc.

Riverside, California, United States

Site Status

San Diego Clinical Trials

San Diego, California, United States

Site Status

Ronald Chochinov Md Inc

Ventura, California, United States

Site Status

Yale University

New Haven, Connecticut, United States

Site Status

Christiana Care Research Institute

Newark, Delaware, United States

Site Status

Richard Hays, MD

Wellington, Florida, United States

Site Status

Atlanta Diabetes Associates

Atlanta, Georgia, United States

Site Status

John H Stoger Jr. Hospital of Cook County, Cook County Hospital

Chicago, Illinois, United States

Site Status

Indiana University School of Medicine

Indianapolis, Indiana, United States

Site Status

University of Iowa Children's Hospital

Iowa City, Iowa, United States

Site Status

Mid-America Diabetes Associates

Wichita, Kansas, United States

Site Status

St. Agnes Hospital

Baltimore, Maryland, United States

Site Status

Maryland Diabetes & Endocrine Associates

Rockville, Maryland, United States

Site Status

Massachusetts General Hospital

Boston, Massachusetts, United States

Site Status

Alzohaili Medical Consultants

Dearborn, Michigan, United States

Site Status

Children's Hospitals and Clinics of Minnesota

Saint Paul, Minnesota, United States

Site Status

University of Missouri - Columbia, Cosmopolitan Diabetes and Endocrinology

Columbia, Missouri, United States

Site Status

The Children's Mercy Hospital

Kansas City, Missouri, United States

Site Status

Countries

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United States Belgium Czechia Finland France Germany India Israel Italy Mexico Netherlands Poland Romania Spain Ukraine United Kingdom

Other Identifiers

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CP-MGA031-03

Identifier Type: -

Identifier Source: org_study_id