Evaluating a new treatment for children with Sanfilippo Syndrome Type A

A Phase 1, Open-label, Ascending Dose Study to Evaluate the Safety, Tolerability, Efficacy, Pharmacokinetics and Pharmacodynamics of Recombinant Human Heparan N-Sulfatase (rhHNS, GC1130A) Via Intracerebroventricular Access Device in Patients With Sanfilippo Syndrome Type A (MPS IIIA)

Phase 1 Interventional GC Biopharma Corp · NCT06567769

This study is testing a new drug for young children with Sanfilippo Syndrome Type A to see if it is safe and helps improve their condition.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment9 (estimated)
Ages12 Months to 18 Years
SexAll
SponsorGC Biopharma Corp Industry-sponsored
Locations5 sites (Oakland, California and 4 other locations)
Trial IDNCT06567769 on ClinicalTrials.gov

What this trial studies

This study aims to assess the safety, tolerability, efficacy, pharmacokinetics, and pharmacodynamics of a new drug called GC1130A, which is administered through an intracerebroventricular access device in pediatric patients diagnosed with Sanfilippo Syndrome Type A. The trial will involve children aged between 24 to 72 months who have a confirmed diagnosis of this rare genetic disorder. The study will monitor how well the drug works and its effects on the patients over time.

Who should consider this trial

Good fit: Ideal candidates for this study are children aged 2 to 6 years with a documented diagnosis of Sanfilippo Syndrome Type A.

Not a fit: Patients with significant non-MPS IIIA related central nervous system impairment or those who have received certain prior treatments may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could significantly improve the quality of life and health outcomes for children suffering from Sanfilippo Syndrome Type A.

How similar studies have performed: While this approach is novel for Sanfilippo Syndrome Type A, similar studies in other mucopolysaccharidosis conditions have shown promising results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Participants with documented MPS IIIA diagnosis
* Participants aged ≥ 12 months and ≤ 18 years

Exclusion Criteria:

* Participants with significant non-MPS IIIA related central nervous system impairment
* Participants with previous complication from intraventricular drug administration
* Participants with contraindications for MRI scans and for neurosurgery
* Participants that received treatment with any investigational drug or a device intended as a treatment for MPS IIIA within 30 days or 5 half-lives prior to the study
* Participants that received a hematopoietic stem cell or bone marrow transplant or received gene therapy

Where this trial is running

Oakland, California and 4 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 Sanfilippo Syndrome Type AMucopolysaccharidosis Type III Subtype AMPS IIIA
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.