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Protein engineering to design better enzyme replacement therapies for Fabry disease

Intelligent De-immunization of Enzyme Replacement Therapies (IDERT)

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ISRCTN
Registry ID
ISRCTN14092141
Enrollment
30
Registered
2026-04-28
Start date
2024-08-01
Completion date
Unknown
Last updated
2026-05-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Fabry disease Nutritional, Metabolic, Endocrine

Interventions

Collection of blood and urine samples 24-hour non-invasive home measure of blood pressure and blood vessel function (optional)

Sponsors

University of Edinburgh
Lead Sponsor

Eligibility

Sex/Gender
All
Age
16 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1. Diagnosis of Fabry disease (biochemical and/or genetic diagnosis) 2. Aged 16 years or over 3. Able to give informed consent 4. Not on immunosuppressive medications (e.g., previous transplant) which could impact immunogenicity 5. Never received gene-therapy for Fabry disease 6. No upper age limit

Exclusion criteria

Exclusion criteria: 1. On immunosuppressive medication (equivalent to >7.5 mg prednisolone daily) 2. Treated with gene therapy for Fabry Disease 3. Unable to give informed consent

Design outcomes

Primary

MeasureTime frame
Cross-reactivity of existing patient anti-drug antibodies to the new designed enzymes tested using enzyme-linked immunosorbent assays (ELISA) in patient sera and reported relative to wild-type enzyme and existing treatments at a single timepoint

Secondary

MeasureTime frame
Associations between immune-reactivity to the new designed enzymes compared to the clinical phenotype of the patient (defined as classical or late onset); sex; prior treatment exposure (type of enzyme replacement therapy), plasma lyso-GB3 (measured using liquid chromatography tandem mass spectrometry) and ambulatory blood pressure and vascular stiffness (measured using Mobil-o-Graph NG 24hr ABPM System) at a single timepoint

Countries

Scotland, United Kingdom

Contacts

Public ContactEve Miller-Hodges
eve.miller-hodges@ed.ac.uk+44 (0)7944685620

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: May 22, 2026