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Completed Phase 2Phase 3 Interventional Results available

The Protégé Study - Clinical Trial of MGA031 in Children and Adults With Recent-Onset Type 1 Diabetes Mellitus

ClinicalTrials.gov ID: NCT00385697

Public ClinicalTrials.gov record NCT00385697. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jun 26, 2026, 8:29 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2/3, Randomized, Double-Blind, Multicenter, Multinational, 4-Arm, Controlled, Dose-Ranging Study to Evaluate Efficacy and Safety of MGA031, a Humanized, FcR Non-Binding, Anti-CD3 Monoclonal Antibody, in Children and Adults With Recent-Onset Type 1 Diabetes Mellitus

Study identification

NCT ID
NCT00385697
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
MacroGenics
Industry
Enrollment
554 participants

Conditions and interventions

Interventions

  • Teplizumab Biological
  • Placebo Drug

Biological · Drug

Eligibility (public fields only)

Age range
8 Years to 35 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 30, 2006
Primary completion
May 31, 2010
Completion
Jul 31, 2011
Last update posted
Dec 4, 2023

2006 – 2011

United States locations

U.S. sites
39
U.S. states
28
U.S. cities
39
Facility City State ZIP Site status
UAB School of Medicine Birmingham Alabama 35294
NEA Clinic Jonesboro Arkansas 72401
Arkansas Children's Hospital Little Rock Arkansas 72202
Diabetes Medical Center of California Northridge California 91325
UCSF Medical Center San Francisco California 94143
University of Colorado Health Sciences Center Aurora Colorado 80045
Yale University New Haven Connecticut 06519
Christiana Care Research Institute Newark Delaware 19713
Richard Hays, MD Wellington Florida 33414
Atlanta Diabetes Associates Atlanta Georgia 30309
Humphrey Diabetes Center Boise Idaho 87702
Rocky Mountain Diabetes & Osteoporosis Center Idaho Falls Idaho 83404
Riley Hospital for Children Indianapolis Indiana 46202
University of Iowa Children's Hospital Iowa City Iowa 52242-1083
Mid-America Diabetes Associates, PA Wichita Kansas 67211
Commonwealth Biomedical Research, LLC Madisonville Kentucky 42431
St. Agnes Hospital Baltimore Maryland 21229
Maryland Diabetes & Endocrine Associates Rockville Maryland 20852
Massachusetts General Hospital Boston Massachusetts 02114
Baystate Medical Center Springfield Massachusetts 01199
Alzohaili Medical Consultants Dearborn Michigan 48126
The Children's Mercy Hospital Kansas City Missouri 64108
Creighton Diabetes Center Omaha Nebraska 68131
Saint Barnabas Medical Center Livingston New Jersey 07039
University of Medicine & Dentistry of NJ New Brunswick New Jersey 08901
Albany Medical Center Albany New York 12208
Schneider Children's Hospital New Hyde Park New York 11040
Joslin Diabetes Center Syracuse New York 13214
Cleveland Clinic Cleveland Ohio 44195
St. Mary Medical Center Langhorne Pennsylvania 19047
Sumter Medical Specialists Sumter South Carolina 29150
University Diabetes & Endocrine Consultants Chattanooga Tennessee 37403
Methodist Healthcare Memphis Tennessee 38104
Research Institute of Dallas Dallas Texas 75231
Spectra Research Center McAllen Texas 78503
Diabetes and Glandular Disease Research San Antonio Texas 78229
Endocrine Research Specialists Ogden Utah 84403
Pacific Northwest Research Institute Seattle Washington 98122
Medical College of Wisconsin Milwaukee Wisconsin 53226

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 76 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00385697, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Dec 4, 2023 · Synced Jun 26, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00385697 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →