New shot aims to save Insulin-Making cells in type 1 diabetes

NCT ID NCT03895437

First seen May 22, 2026 ยท Last updated May 22, 2026

Summary

This study tested an experimental drug called TOL-3021 in people with type 1 diabetes to see if it could help preserve the body's ability to produce insulin. Participants received either the drug or a placebo over 24 weeks, with follow-up for safety. The trial was stopped early, and results are not yet available.

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Contacts and locations

Locations

  • Altman Clinical and Translational Research Institute UCSD

    San Diego, California, 92093, United States

  • Baptist Health Research Institute

    Jacksonville, Florida, 32258, United States

  • Barbara Davis Center - University of Colorado Denver

    Denver, Colorado, 80045, United States

  • Children's Mercy Hospital

    Kansas City, Missouri, 64108, United States

  • Diabetes and Glandular Disease Clinic, P.A.

    San Antonio, Texas, 78229, United States

  • Emory University

    Atlanta, Georgia, 30322, United States

  • Joslin Diabetes Center- Adult & Pediatric

    Boston, Massachusetts, 02215, United States

  • MedStar Health Research Institute

    Baltimore, Maryland, 21239, United States

  • MedStar Health Research Institute

    Hyattsville, Maryland, 20782, United States

  • Mills-Peninsula Medical Center

    San Mateo, California, 94401, United States

  • Mountain Diabetes and Endocrine Center

    Asheville, North Carolina, 28803, United States

  • Naomi Berrie Diabetes Center, Columbia University

    New York, New York, 10032, United States

  • Rocky Mountain Clinical Research

    Idaho Falls, Idaho, 83404, United States

  • SUNY Upstate Medical University

    Syracuse, New York, 13210, United States

  • Stanford University

    Stanford, California, 94305, United States

  • University of California San Francisco

    San Francisco, California, 94143, United States

  • University of Florida

    Gainesville, Florida, 32610, United States

  • University of Iowa

    Iowa City, Iowa, 52242, United States

  • University of Miami Diabetes Research Institute

    Miami, Florida, 33136, United States

  • University of North Carolina Diabetes Care Center

    Chapel Hill, North Carolina, 27517, United States

  • University of South Florida Diabetes Center

    Tampa, Florida, 33612, United States

  • University of Virginia

    Charlottesville, Virginia, 22903, United States

  • Yale University

    New Haven, Connecticut, 06520, United States

Conditions

Explore the condition pages connected to this study.