Clinical trial Recruiting at 11 sites Observational

Investigating congenital disorders of glycosylation

Official title: Clinical and Basic Investigations Into Congenital Disorders of Glycosylation

Run by Icahn School of Medicine at Mount Sinai · NCT04199000 · Data updated 2026-11-12

This study looks at how congenital disorders of glycosylation affect patients over time by tracking their symptoms, diet, and health to better understand the condition.

More Congenital Disorders of Glycosylation trials

Quick facts

Study typeObservational
SexAll
Enrollment500 (estimated)
SponsorIcahn School of Medicine at Mount Sinai
Academic / other
Locations12 sites (San Diego, California and 11 other locations)
StatusRecruiting
StartedOctober 8, 2019
Main results expectedJuly 31, 2030
Study endsJuly 31, 2030
Registry record updatedJuly 21, 2026
Trial IDNCT04199000 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals with a confirmed diagnosis of congenital disorders of glycosylation or NGLY1 deficiency.

Probably not a fit

Patients without a confirmed diagnosis of CDG or NGLY1 deficiency may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This research focuses on understanding the natural history of congenital disorders of glycosylation (CDG) by observing patients with confirmed diagnoses. The study aims to document the progression of the disease, clinical symptoms, and variations among different patient groups. Participants will complete questionnaires regarding their symptoms and diet, and provide biological samples for biomarker testing. Additionally, dietary records, physical exams, and assessments of disease severity will be conducted to gather comprehensive data.

Why it matters

Potential benefit: If successful, this study could lead to improved understanding and management of congenital disorders of glycosylation.

How similar studies have gone: Other studies investigating the natural history of genetic disorders have shown promise, suggesting that this approach could yield valuable insights.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Individuals with a genetically, enzymatically, or molecularly confirmed diagnosis of CDG or NGLY1 deficiency

Exclusion Criteria:

* None

Where it's running

  • Rady Children's Hospital
    San Diego, California, United States
    Recruiting
  • Children's Hospital of Colorado
    Aurora, Colorado, United States
    Recruiting
  • Mayo Clinic Florida
    Jacksonville, Florida, United States
    Recruiting
  • Boston Children's Hospital
    Boston, Massachusetts, United States
    Recruiting
  • University of Minnesota
    Minneapolis, Minnesota, United States
    Recruiting
  • Mayo Clinic in Rochester
    Rochester, Minnesota, United States
    Recruiting
Show 6 more locations
  • Icahn School of Medicine at Mount Sinai
    New York, New York, United States
    Recruiting
  • Children's Hospital of Philadelphia
    Philadelphia, Pennsylvania, United States
    Recruiting
  • Children's Hospital of Pittsburgh
    Pittsburgh, Pennsylvania, United States
    Recruiting
  • Baylor College of Medicine
    Houston, Texas, United States
    Recruiting
  • Seattle Children's Hospital
    Seattle, Washington, United States
    Recruiting
  • Tulane University School of Medicine
    New Orleans, Louisiana, United States
    Not yet recruiting

Study contacts

  • Principal investigator: Eva Morava-Kozicz, MD, PhD — Icahn School of Medicine at Mount Sinai
  • Study coordinator: Eva Morava-Kozicz, PhD, MD
  • Email: eva.morava@mssm.edu
  • Phone: (504) 444-9386

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.