Investigating congenital disorders of glycosylation

Clinical and Basic Investigations Into Congenital Disorders of Glycosylation

Observational Icahn School of Medicine at Mount Sinai · NCT04199000

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.

Quick facts

Study typeObservational
Enrollment500 (estimated)
SexAll
SponsorIcahn School of Medicine at Mount Sinai Academic / other
Locations12 sites (San Diego, California and 11 other locations)
Trial IDNCT04199000 on ClinicalTrials.gov

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.

Who should consider this trial

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

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

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

Eligibility criteria

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 this trial is running

San Diego, California and 11 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Congenital Disorders of GlycosylationCDGCDDGCongenital Disorders of DeglycosylationALG1ALG3ALG6ALG12
Last reviewed 2026-06-13 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.