Simple supplement may slow vision loss in rare eye disease

NCT ID NCT07342439

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

Summary

This phase 3 trial tests whether taking serine, a natural amino acid, twice a day can slow vision loss in people with MacTel type 2, a rare eye disease. About 120 participants will receive either serine or a placebo for 24 months, with regular eye exams and imaging. The study aims to see if serine safely reduces damage to the retina.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Cerulea- RVEEH

    Melbourne, Victoria, 3002, Australia

  • Hamilton Glaucoma Center- UCSD

    La Jolla, California, 92093, United States

  • Moorfields Eye Hospital

    London, EC1V 2PD, United Kingdom

  • Oxford Eye Hospital

    Oxford, OX3 9DU, United Kingdom

  • Radboud University Medical Center

    Nijmegen, 6525GA, Netherlands

  • Retina Associates Of Cleveland, Inc.

    Cleveland, Ohio, 44122, United States

  • Save Sight Institute

    Sydney, New South Wales, 2000, Australia

  • St. Franziskus Hospital

    Münster, 48145, Germany

  • University of Bonn

    Bonn, 53127, Germany

  • University of Freiburg, Department of Ophthalmology

    Freiburg im Breisgau, 79106, Germany

  • University of Michigan, Kellogg Eye Center

    Ann Arbor, Michigan, 48105, United States

  • University of Utah Health Care, Moran Eye Center

    Salt Lake City, Utah, 84132, United States

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