New hope for kids with rare metabolic disease: 5-Year trial launches

NCT ID NCT06904027

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing a drug called glycerol phenylbutyrate in 40 Chinese children with urea cycle disorders, a rare genetic condition that causes dangerous ammonia buildup. The drug aims to help control ammonia levels over 5 years. Researchers will monitor safety and effectiveness to see if it offers a better long-term management option.

What this could mean

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

Active substance

glycerol phenylbutyrate oral liquid

What this could lead to

If successful, this could provide a safe and effective long-term treatment option for Chinese children with urea cycle disorders, helping to control ammonia levels and reduce hospitalizations.

What could go wrong

This is a single-arm study with no placebo group, so results may be less definitive. The small size (40 patients) and 5-year duration mean it may not capture rare side effects or apply to all patients.

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.

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Conditions

The condition(s) this trial relates to.

arginase deficiency argininosuccinic aciduria carbamoyl phosphate synthetase I deficiency disease citrullinemia type I ornithine translocase deficiency urea cycle disorder

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

  • Children's Hospital of Zhejiang University School of Medicine

    RECRUITING

    Hangzhou, Zhejiang, China

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

  • Guangzhou Women and Children's Medical Center

    RECRUITING

    Guangzhou, Guangdong, 510000, China

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

  • Peking University First Hospital

    RECRUITING

    Beijing, Beijing Municipality, 100034, China

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

  • Tongji Hosipital

    RECRUITING

    Wuhan, Hubei, 430030, China

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

  • Xinhua Hospital, Shanghai Jiao Tong University School of Medicine

    RECRUITING

    Shanghai, Shanghai Municipality, 200092, China

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