Monitoring program for Mucopolysaccharidosis VII disease

Mucopolysaccharidosis VII Disease Monitoring Program (MPS VII DMP)

Observational Ultragenyx Pharmaceutical Inc · NCT03604835

This study is trying to understand how Mucopolysaccharidosis VII affects people over time and see if a treatment called vestronidase alfa is safe and effective for both treated and untreated patients.

Quick facts

Study typeObservational
Enrollment50 (estimated)
SexAll
SponsorUltragenyx Pharmaceutical Inc Industry-sponsored
Locations14 sites (Orange, California and 13 other locations)
Trial IDNCT03604835 on ClinicalTrials.gov

What this trial studies

The Mucopolysaccharidosis VII Disease Monitoring Program is a global, prospective, multicenter initiative aimed at characterizing the presentation and progression of MPS VII. It assesses the long-term effectiveness and safety of vestronidase alfa, including monitoring for hypersensitivity reactions and immunogenicity. The program collects comprehensive data on clinical presentation, disease heterogeneity, and progression through various biomarker assessments and patient-reported outcomes. This observational study includes both treated and untreated patients to provide a robust dataset for future analysis.

Who should consider this trial

Good fit: Ideal candidates include individuals diagnosed with MPS VII through laboratory testing.

Not a fit: Patients currently participating in other interventional clinical trials may not benefit from this program.

Why it matters

Potential benefit: If successful, this program could enhance understanding of MPS VII and improve management strategies for patients.

How similar studies have performed: While this program is observational, similar approaches in monitoring rare diseases have shown promise in enhancing patient care and treatment outcomes.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Diagnosis of MPS VII based on laboratory diagnosis, including either enzymatic or mutation analysis.
* Willing and able to provide written informed consent or, in the case of patients under the age of 18 (or below adult ages as defined by local laws and regulations) or patients \>18 years of age who have cognitive deficiencies, provide written assent (if required) and written informed consent by a legally authorized representative after the nature of the DMP has been explained, and prior to any research-related procedures.
* Willing to comply with DMP visit schedule.

Exclusion Criteria:

* Concurrent participation in other pharmaceutical company-sponsored interventional clinical trial unless approved by Ultragenyx.

Where this trial is running

Orange, California and 13 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 Mucopolysaccharidosis VIIMPS VIIMPS 7Sly SyndromeUX003Mepseviivestronidase alfa-vjbkvestronidase alfa
Last reviewed 2026-06-09 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.