New enzyme therapy gives hope to babies with rare muscle disease

NCT ID NCT04910776

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

Summary

This study tests a new enzyme replacement therapy called avalglucosidase alfa in babies with infantile-onset Pompe disease, a rare genetic disorder that causes severe muscle weakness and breathing problems. The treatment is given through an IV every other week for up to 4 years. The main goal is to see if it helps babies survive and stay off breathing machines.

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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.

glycogen storage disease due to acid maltase deficiency, infantile onset glycogen storage disease II Glycogen Storage Disease Type II

As listed by the trial registrant

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

Contacts and locations

Locations

  • Advanced Medical Genetics- Site Number : 8400002

    Hawthorne, New York, 10532, United States

  • Children's Hospitals and Clinics of Minnesota- Site Number : 8400008

    Minneapolis, Minnesota, 55404, United States

  • Cincinnati Children's Hospital Medical Center- Site Number : 8400001

    Cincinnati, Ohio, 45229, United States

  • Duke University Medical Center- Site Number : 8400004

    Durham, North Carolina, 27710, United States

  • Investigational Site Number : 0560001

    Leuven, 3000, Belgium

  • Investigational Site Number : 1560001

    Shanghai, 200120, China

  • Investigational Site Number : 1560002

    Qingdao, 266034, China

  • Investigational Site Number : 1580001

    Taipei, 100, Taiwan

  • Investigational Site Number : 2760001

    Bad Oeynhausen, 35392, Germany

  • Investigational Site Number : 3800002

    Monza, Lombardy, 20052, Italy

  • Investigational Site Number : 5280001

    Rotterdam, 3015 CE, Netherlands

  • Investigational Site Number : 7240001

    Esplugues de Llobregat, Catalunya [Cataluña], 08950, Spain

  • Investigational Site Number : 8260001

    London, London, City of, WC1N 3JH, United Kingdom

  • Investigational Site Number : 8260002

    Manchester, M13 9WL, United Kingdom

  • Seattle Children's Hospital- Site Number : 8400003

    Seattle, Washington, 98105, United States

  • Stanford Hospital- Site Number : 8400006

    Stanford, California, 94305, United States