Sugar supplement shows promise for rare disease in new trial

NCT ID NCT05402332

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 2b trial tests AVTX-801, a D-galactose supplement, in 8 adults with PGM1-CDG, a rare genetic disorder affecting sugar metabolism. Participants currently on D-galactose will receive either the study drug or a placebo to see if it reduces disease-related events like low blood sugar or liver problems. The study aims to find a better way to manage this condition.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

D-galactose (AVTX-801)

What this could lead to

If successful, this could provide a better treatment option for people with PGM1-CDG, helping manage symptoms like low blood sugar and liver issues.

What could go wrong

This is a small, early-phase trial with only 8 participants, so results may not apply to everyone. The treatment is already used, so benefits may be limited.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for PGM1-CDG - PHOSPHOGLUCOMUTASE 1-RELATED CONGENITAL DISORDER OF GLYCOSYLATION are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

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

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Mayo Clinic Rochester

    Rochester, Minnesota, 55905, United States