Double immune attack: can two drugs save Insulin-Making cells in new diabetes?

NCT ID NCT03929601

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study tests whether giving two immune-calming drugs (rituximab followed by abatacept) can better preserve the body's ability to make insulin in people newly diagnosed with type 1 diabetes, compared to rituximab alone. About 74 participants aged 8 to 45 will receive the drug combo or a placebo over 24 months. The goal is to see if the combination helps maintain natural insulin production longer, potentially easing diabetes management.

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Conditions

The condition(s) this trial relates to.

type 1 diabetes mellitus

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Barbara Davis Center for Childhood Diabetes

    Aurora, Colorado, 80045, United States

  • Benaroya Research Institute

    Seattle, Washington, 98101, United States

  • Childrens Hospital of Orange County

    Orange, California, 92868, United States

  • Columbia University

    New York, New York, 10032, United States

  • Indiana University - Riley Hospital for Children

    Indianapolis, Indiana, 46202, United States

  • Joslin Diabetes Center

    Boston, Massachusetts, 02215, United States

  • Queensland Children's Hospital

    South Brisbane, Queensland, 4101, Australia

  • Sanford Children's Specialty Clinic

    Sioux Falls, South Dakota, 57105, United States

  • Stanford University

    Palo Alto, California, 94304, United States

  • The Children's Mercy Hospital

    Kansas City, Kansas, 64114, United States

  • University of California San Francisco

    San Francisco, California, 94158, United States

  • University of Florida

    Gainesville, Florida, 32610, United States

  • University of Miami

    Maimi, Florida, 33136, United States

  • University of Minnesota

    Minneapolis, Minnesota, 55455, United States

  • University of Pittsburg

    Pittsburgh, Pennsylvania, 15224, United States

  • University of Texas Southwestern

    Dallas, Texas, 75390, United States

  • Vanderbilt Eskind Diabetes Center

    Nashville, Tennessee, 37232, United States

  • Walter and Eliza Hall Institute of Medical Research

    Melbourne, Victoria, 3050, Australia

  • Yale University

    New Haven, Connecticut, 06520, United States